Professional and technical services — page 3 of 33
9,796 companies, type “Professional and technical services”.
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| Place | Company | City account number | Industry | License since |
|---|---|---|---|---|
| Seattle, WA | APPLECORE INSPECTIONS LLC | 0007473520657891 | Professional and technical services | Mar 1, 2012 |
| Seattle, WA | APPLETON LUFF E L LAW LLC | 0008389550753652 | Professional and technical services | Aug 2, 2019 |
| Seattle, WA | APPLIED ENVIRONMENT INTELLIGENCE INC APPLIED ENVIRONMENTAL INTELLIGENCE INC | 0008930630810806 | Professional and technical services | Aug 1, 2025 |
| Shoreline, WA | APPLIED INFERENCE LLC | 0007919530704590 | Professional and technical services | Feb 1, 2016 |
| Seattle, WA | APPLIED INVENTION APPLIED INVENTION LLC | 0008636970779710 | Professional and technical services | Sep 5, 2022 |
| Redmond, WA | APPLIED ORGANICS APPLIED ORGANICS INC | 0007409530651096 | Professional and technical services | Jul 8, 2011 |
| Seattle, WA | APPLIED PHARMACOLOGY LLC | 0007230010631931 | Professional and technical services | May 15, 2009 |
| Kent, WA | APPLIED PROFESSIONAL SVCS INC | 0005332830536355 | Professional and technical services | Jan 1, 1998 |
| University Park, IL | APPLIED SYSTEMS INC | 0005920200599140 | Professional and technical services | Oct 1, 2006 |
| Seattle, WA | APPLIED WAYFINDING INC | 0008132790726745 | Professional and technical services | Aug 16, 2017 |
| Seattle, WA | APPLIEDMICROBIO APPLIEDMICROBIO LLC | 0008914710809140 | Professional and technical services | Apr 16, 2026 |
| San Antonio, TX | APPNEXUS INC XANDR INC | 0008307240745025 | Professional and technical services | Oct 1, 2018 |
| Seattle, WA | APPPRIZES INC | 0007697580681445 | Professional and technical services | Jan 1, 2014 |
| Seattle, WA | APPROACH TECHNOLOGY INC | 0007222640631154 | Professional and technical services | Apr 1, 2009 |
| Seattle, WA | APPROPRIATE TECHNOLOGY GROUP LLC | 0008060010719190 | Professional and technical services | Jan 31, 2017 |
| New York, NY | APPVIEWX INC | 0007978500710697 | Professional and technical services | Aug 1, 2016 |
| Seattle, WA | APRIL SIX INC | 0008370870751672 | Professional and technical services | Apr 1, 2019 |
| Bellevue, WA | APS SURVEY & MAPPING INC | 0007362600646121 | Professional and technical services | Apr 11, 2011 |
| Alpharetta, GA | APTEAN INC | 0007021010609561 | Professional and technical services | Jan 1, 2007 |
| Seattle, WA | APTEVO RESEARCH & DEVELOPEMENT LLC | 0005620310567086 | Professional and technical services | Nov 1, 2002 |
| Seattle, WA | APTEVO THERAPEUTICS INC | 0008017080714724 | Professional and technical services | Aug 1, 2016 |
| Seattle, WA | APTILLION APTILLION LLC | 0008585360774321 | Professional and technical services | Jan 14, 2022 |
| Kent, WA | AQIDAHTAKAFUL GROUP LLC | 0008855250802764 | Professional and technical services | Aug 9, 2025 |
| Bellevue, WA | AQUA AIR ENGINEERING AQUA AIR ENGINEERING LLC | 0008688970785141 | Professional and technical services | Jul 15, 2023 |
| Centralia, WA | AQUATECHNEX LLC | 0005925420599692 | Professional and technical services | Jul 1, 2002 |
| Seattle, WA | AQUILAE SYSTEMS AQUILAE SYSTEMS LLC | 0008934850811237 | Professional and technical services | Jun 1, 2026 |
| Seattle, WA | ARA ADVISORY LLC | 0008886250806060 | Professional and technical services | Jan 1, 2026 |
| Seattle, WA | ARAR ARAR PLLC | 0008776510794460 | Professional and technical services | Aug 3, 2024 |
| Brier, WA | ARBOR INFO LLC | 0008638760779902 | Professional and technical services | Jan 1, 2022 |
| Seattle, WA | ARC 45 ARC 45 LLC | 0007906020703192 | Professional and technical services | May 1, 2015 |
| Seattle, WA | ARC ARCHITECTS A R C INC | 0000404240047956 | Professional and technical services | Jun 1, 1984 |
| Seattle, WA | ARC BILLING SOLUTIONS ARC BILLING SOLUTIONS LLC | 0005899040596945 | Professional and technical services | Jun 19, 2006 |
| Bainbridge Island, WA | ARCADIA ASSOCIATES INC | 0000153990020080 | Professional and technical services | May 16, 1978 |
| Seattle, WA | ARCADIS ARCADIS US INC | 0005600730565046 | Professional and technical services | Apr 1, 2003 |
| Seattle, WA | ARCADIS A CALIFORNIA PARTNERSHIP IBI GROUP A CALIFORNIA PARTNERSHIP | 0008659770782108 | Professional and technical services | Jan 3, 2023 |
| Portland, OR | ARCADIS ARCHITECTS (USA) INC DULL OLSON WEEKES IBI GROUP ARCHITECTS INC | 0007426980652921 | Professional and technical services | Nov 18, 2011 |
| Seattle, WA | ARCADIS INC | 0007896200702137 | Professional and technical services | Oct 19, 2015 |
| Seattle, WA | ARCAGENT INC | 0008927460810459 | Professional and technical services | Apr 30, 2026 |
| Bremerton, WA | ARCFISH ENGINEERING ARCFISH ENGINEERING PLLC | 0008704030786743 | Professional and technical services | Aug 10, 2023 |
| Seattle, WA | ARCHECOLOGY LLC | 0005898500596890 | Professional and technical services | Jul 1, 2006 |
| Kirkland, WA | ARCHER & ASSOCIATES ARCHER & ASSOCIATES INC | 0007229560631886 | Professional and technical services | Sep 9, 2009 |
| Portland, OR | ARCHER ENERGY SOLUTIONS LLC | 0008001120713034 | Professional and technical services | Oct 12, 2016 |
| Houston, TX | ARCHISTAR ARCHISTAR INC | 0008862220803485 | Professional and technical services | Oct 9, 2025 |
| Seattle, WA | ARCHITECT 7600 ARCHITECT 7600 LLC | 0007556790666661 | Professional and technical services | Jan 26, 2013 |
| Burien, WA | ARCHITECTURAL DESIGN PRODUCTS ARCHITECTURAL DESIGN PRODUCTS LLC | 0008798840796853 | Professional and technical services | Feb 1, 2024 |
| Seattle, WA | ARCHITECTURAL ELEVATOR CONSULTING LLC | 0007482500658830 | Professional and technical services | Jan 1, 2012 |
| Seattle, WA | ARCHITECTURAL STONE WERKES INC | 0005043690504840 | Professional and technical services | Jan 1, 1997 |
| Phoenix, AZ | ARCHITECTURAL TECHNOLOGIES ARC TEC INC | 0005694990575070 | Professional and technical services | Jan 1, 2004 |
| Seattle, WA | ARCHITECTURE PLANNING INTERIORS SRG PARTNERSHIP INC | 0005626170567704 | Professional and technical services | Jun 1, 2003 |
| Seattle, WA | ARCHITETTURA DESIGN LLC | 0005222620524171 | Professional and technical services | Jan 20, 1999 |
| Northbrook, IL | ARCHITEX INTERNATIONAL ARCHITECTURAL TEXTILES USA INC | 0005966990604116 | Professional and technical services | Jul 10, 2006 |
| Seattle, WA | ARCHON BIOSCIENCES ARCHON BIOSCIENCES INC | 0008733750789924 | Professional and technical services | Jun 6, 2023 |
| Seattle, WA | ARCIS STUDIO ARCIS STUDIO PLLC | 0008907240808356 | Professional and technical services | Apr 1, 2026 |
| Seattle, WA | ARCSINE IMAGING LLC | 0008473530762534 | Professional and technical services | Feb 24, 2020 |
| Anchorage, AK | ARCTIC IT ARCTIC INFORMATION TECHNOLOGY INC | 0008406580755424 | Professional and technical services | Mar 21, 2019 |
| Seattle, WA | ARCTIC STORM MANAGEMENT GROUP LLC | 0007566010667638 | Professional and technical services | Oct 1, 2001 |
| Seattle, WA | ARCUS FOUNDRY ARCUS FOUNDRY LLC | 0008194130733194 | Professional and technical services | Jan 1, 2018 |
| Seattle, WA | ARDENT LAW GROUP PLLC GRANITE SPIRE LAW GROUP PLLC | 0008372000751786 | Professional and technical services | Jun 3, 2019 |
| Seattle, WA | ARE LAUNCHLABS SEATTLE NO 1 OPERATOR LLC | 0008417590756563 | Professional and technical services | Jan 1, 2020 |
| Seattle, WA | AREK STARR AREK STARR LLC | 0008940190811785 | Professional and technical services | Jul 14, 2026 |
| Plano, TX | ARGANO LLC | 0008854570802691 | Professional and technical services | Jan 1, 2024 |
| Seattle, WA | ARGENT ANALYTIC CONSULTING LLC | 0008385520753228 | Professional and technical services | Jul 1, 2019 |
| Seattle, WA | ARGO STRATEGIES ARGO STRATEGIES INC | 0005983890605907 | Professional and technical services | Apr 1, 2007 |
| Seattle, WA | ARIA APPLIED RESEARCH IN ACOUSTICS LLC | 0008498240765156 | Professional and technical services | Jul 1, 2019 |
| Redwood City, CA | ARICENT TECHNOLOGIES HOLDINGS LTD | 0007145210622717 | Professional and technical services | Jun 5, 2008 |
| Seattle, WA | ARK LIMITED APPRAISALS INC | 0007047600612418 | Professional and technical services | Jan 1, 2008 |
| Seattle, WA | ARK PRODUCTION LLC ARK PRODUCTIONS LLC | 0008885190805941 | Professional and technical services | Feb 12, 2024 |
| Seattle, WA | ARKLEY ACCOUNTING ARKLEY ACCOUNTING GROUP LLC | 0008453610760426 | Professional and technical services | Jan 1, 2020 |
| Seattle, WA | ARKSEY DESIGN LLC | 0007220870630960 | Professional and technical services | Oct 22, 2009 |
| Bellevue, WA | ARMANINO LLP | 0008487090763978 | Professional and technical services | Mar 1, 2019 |
| Seattle, WA | ARMIN'S ADVENTURES ARMINS ADVENTURES LLC | 0008884670805877 | Professional and technical services | Jul 9, 2025 |
| Chatsworth, CA | ARMORCAST PRODUCTS CO | 0007366980646576 | Professional and technical services | May 1, 2011 |
| Bellevue, WA | ARMSTEAD CONSULTING INC | 0007462440656733 | Professional and technical services | Apr 26, 2012 |
| Seattle, WA | ARMSTRONG PHOTOGRAPHY, INC ARMSTRONG PHOTOGRAPHY INC | 0001403730142151 | Professional and technical services | Jan 1, 1992 |
| Washington, DC | ARNOLD & PORTER KAYE SCHOLER LLP | 0001859570188502 | Professional and technical services | Jan 1, 1995 |
| Seattle, WA | ARREDO LLC | 0008827460799878 | Professional and technical services | Apr 7, 2025 |
| Oklahoma City, OK | ARRIVAL 3D INC | 0008910010808640 | Professional and technical services | Mar 23, 2026 |
| Seattle, WA | ARRIVED HOMES ARRIVED HOLDINGS INC | 0008645960780665 | Professional and technical services | Mar 4, 2019 |
| Seattle, WA | ARROW POINT CONSULTING ARROW POINT CONSULTING LLC | 0008496110764933 | Professional and technical services | Jan 17, 2020 |
| Spokane, WA | ARS CONSULTING LLC | 0008927140810425 | Professional and technical services | Apr 1, 2026 |
| San Diego, CA | ARS PHARMACEUTICALS ARS PHAMACEUTICALS INC | 0008048910718036 | Professional and technical services | Dec 1, 2016 |
| Seattle, WA | ARS PHILOSOPHA ARS PHILOSOPHA LLC | 0008483270763570 | Professional and technical services | Mar 1, 2020 |
| Seattle, WA | ART ARCHITECTURE BREMS A BREMS LLC | 0007577120668802 | Professional and technical services | Jun 1, 2013 |
| Seattle, WA | ART DIRECTIVE INC | 0008479220763145 | Professional and technical services | Jan 1, 2020 |
| Vashon, WA | ART HOUSE ARCHITECTS LLC | 0007786650690769 | Professional and technical services | Jan 5, 2015 |
| Seattle, WA | ART LIFE & BUSINESS ART LIFE & BUSINESS LLC | 0008074140720665 | Professional and technical services | Jan 1, 2016 |
| Seattle, WA | ART OF MIKE UZIEL LO LAB LLC | 0008035130716625 | Professional and technical services | Apr 20, 2016 |
| Seattle, WA | ART SOCIETY INC | 0007937540706449 | Professional and technical services | Apr 1, 2016 |
| Seattle, WA | ART WOLFE INC | 0000213960027059 | Professional and technical services | Jan 1, 1981 |
| Seattle, WA | ART19 LLC | 0008671330783294 | Professional and technical services | Feb 1, 2023 |
| Seattle, WA | ARTANAKA LLC | 0008668420783000 | Professional and technical services | Jan 1, 2022 |
| Seattle, WA | ARTEMIS SOFTWARE WORKS INC | 0008849530802172 | Professional and technical services | Mar 28, 2025 |
| Seattle, WA | ARTESIAN MARKETING ARTESIAN MARKETING GROUP INC | 0008543720769942 | Professional and technical services | May 2, 2021 |
| Lynnwood, WA | ARTFUL INTERIORS ARTFUL INTERIORS LLC | 0008855230802762 | Professional and technical services | Aug 1, 2025 |
| Seattle, WA | ARTHOUSE LEGAL ARTHOUSE LEGAL PLLC | 0008878230805184 | Professional and technical services | Nov 18, 2025 |
| Bothell, WA | ARTHUR & ASSOCIATES ARTHUR & ASSOCIATES INC | 0001253940126800 | Professional and technical services | Nov 1, 1990 |
| Mukilteo, WA | ARTHUR JACKSON CTC INC | 0008169870730599 | Professional and technical services | Nov 11, 2017 |
| Seattle, WA | ARTIFICER INNOVATIONS LLC | 0008848240802040 | Professional and technical services | Jul 7, 2025 |
| Seattle, WA | ARTIQ STUDIO ATELIER M LLC | 0008795720796507 | Professional and technical services | Nov 1, 2024 |
| Seattle, WA | ARTISTIC ACCOUNTING PLLC | 0007174250626017 | Professional and technical services | Apr 1, 2008 |
| Seattle, WA | ARTRICS ARTRICS INC | 0007927250705382 | Professional and technical services | Jan 26, 2016 |
| Seattle, WA | ARTSPACE PROJECTS ARTSPACE PROJECTS INC | 0005688850574416 | Professional and technical services | Jan 1, 2004 |
| Lake Stevens, WA | ARTVIZ ARTVIZ LLC | 0007920140704654 | Professional and technical services | Jan 1, 2016 |
| Seattle, WA | ARUNA SOFTWARE LLC | 0008391770753882 | Professional and technical services | Sep 1, 2019 |
| Seattle, WA | ARUP ARUP NORTH AMERICA LTD | 0005610200566034 | Professional and technical services | Jul 1, 2003 |
| Seattle, WA | ARUP ARCHITECTURE US INC | 0008794990796434 | Professional and technical services | Oct 4, 2024 |
| Seattle, WA | ARUP US INC | 0008535410769071 | Professional and technical services | Apr 1, 2021 |
| Poulsbo, WA | ARXCIS INC | 0008052910718461 | Professional and technical services | Mar 31, 2017 |
| Seattle, WA | ARZEDA CORP | 0007166520625188 | Professional and technical services | Apr 1, 2009 |
| Seattle, WA | AS BUILT STUDIO AS BUILT STUDIO PLLC | 0008524870767955 | Professional and technical services | Feb 5, 2021 |
| Seattle, WA | ASCENDANT FAMILY LEGAL TECHNICIAN SERVICES LLC | 0008543490769918 | Professional and technical services | Jul 1, 2021 |
| Seattle, WA | ASCENDIA CONSULTING PARTNERS LLC | 0008828680800002 | Professional and technical services | Apr 10, 2025 |
| Seattle, WA | ASCENSION LAW PLLC | 0005943670601649 | Professional and technical services | Jan 1, 2009 |
| Seattle, WA | ASCENT GROUP CONSULTING ASCENT CONSULTING INC | 0007724640684324 | Professional and technical services | Jul 1, 2014 |
| Seattle, WA | ASCENT LAW PARTNERS LLP | 0007652460676704 | Professional and technical services | Jan 1, 2013 |
| Seattle, WA | ASCENT PARTNERS GROUP LLC | 0005421220545842 | Professional and technical services | Jan 1, 2001 |
| Alexandria, VA | ASCO AMERICAN SOCIETY OF CLINICAL ONCOLOGY INC | 0008880330805403 | Professional and technical services | Jan 1, 2026 |
| Duvall, WA | ASE POWER CONSULTING ASE POWER LLC | 0008727540789271 | Professional and technical services | Dec 1, 2023 |
| Seattle, WA | ASH GLOBAL ASH GLOBAL LLC | 0007037450611330 | Professional and technical services | Jan 1, 2007 |
| Seattle, WA | ASHBAUGH BEAL LLP | 0005127470513972 | Professional and technical services | Jan 1, 1998 |
| Seattle, WA | ASHKENAZY HOLDINGS LLC | 0008812730798320 | Professional and technical services | Feb 15, 2024 |
| Seattle, WA | ASHLEY CRUZ ARATA WELLNESS ASHLEY ARATA LLC | 0008867790804069 | Professional and technical services | Jan 1, 2026 |
| Seattle, WA | ASHLEY SMITH COACHING SMITH COACHING & DEVELOPMENT LLC | 0008910350808674 | Professional and technical services | Apr 15, 2026 |
| Seattle, WA | ASHLEY ZAWORSKA ARCHITECTURE ASHLEY ZAWORSKA ARCHITECTURE PLLC | 0008463000761417 | Professional and technical services | Sep 18, 2019 |
| Seattle, WA | ASHURST PERKINS COIE (INTERNATIONAL) LLP | 0008893320806862 | Professional and technical services | Jun 1, 2024 |
| Seattle, WA | ASHURST PERKINS COIE CALIFORNIA PC | 0008893250806855 | Professional and technical services | Jan 1, 2025 |
| Seattle, WA | ASHURST PERKINS COIE US LLP | 0005334430536524 | Professional and technical services | Jan 1, 1998 |
| Seattle, WA | ASHURST PERKINS COIE USA PC | 0007923230704975 | Professional and technical services | Jan 1, 2016 |
| Camarillo, CA | ASHWORTH LEININGER GROUP, INC. ASHWORTH LEININGER GROUP | 0008593600775178 | Professional and technical services | Jun 6, 2022 |
| Orchard Park, NY | ASI MARINE LP | 0008231990737175 | Professional and technical services | May 1, 2018 |
| Seattle, WA | ASIA SIGN CO | 0007036230611201 | Professional and technical services | Jan 2, 2008 |
| Seattle, WA | ASILA CONSULTING LLC | 0008367340751309 | Professional and technical services | May 13, 2019 |
| Seattle, WA | ASKVET VET24SEVEN INC | 0008912460808893 | Professional and technical services | Mar 5, 2026 |
| Seattle, WA | ASM DIRECT MAIL EDTAN LLC | 0005463070550264 | Professional and technical services | May 1, 2001 |
| Seattle, WA | ASMUS INC | 0001747530177240 | Professional and technical services | Jan 15, 1995 |
| Bellevue, WA | ASP CFO SELECTIONS SEARCH PNW INC | 0008519450767400 | Professional and technical services | Jan 1, 2021 |
| Burien, WA | ASPECT STRUCTURAL USA LTD | 0008869100804210 | Professional and technical services | Jan 9, 2023 |
| Seattle, WA | ASPENLIGHT ADVISING ASPENLIGHT ADVISING LLC | 0008899470807552 | Professional and technical services | Aug 16, 2024 |
| Fallston, MD | ASR SOLUTIONS LLC | 0008725060788990 | Professional and technical services | Nov 1, 2023 |
| Seattle, WA | ASSET MANAGEMENT INTERNATIONAL LLC | 0005780290584149 | Professional and technical services | Aug 12, 2003 |
| Seattle, WA | ASSET X ASSET X LLC | 0007613060672643 | Professional and technical services | Oct 1, 2013 |
| Wayne, PA | ASSETWORKS LLC ASSETWORKS INC | 0007135980621705 | Professional and technical services | Oct 1, 2008 |
| Kirkland, WA | ASSOCIATED EARTH SCIENCES INC | 0005075070508242 | Professional and technical services | Jul 1, 1997 |
| Spokane, WA | ASSOCIATES IN BEHAVIORAL HEALTH ACCOUNT SERVICES | 0007428610653123 | Professional and technical services | Nov 1, 2011 |
| Seattle, WA | ASSURX INC | 0007853010697648 | Professional and technical services | Jul 1, 2015 |
| Seattle, WA | ASTERIA TECH SOLUTIONS LLC | 0008940670811839 | Professional and technical services | Jul 14, 2026 |
| Seattle, WA | ASTON SCI USA INC | 0008580500773810 | Professional and technical services | Jan 1, 2022 |
| Seattle, WA | ASTUNO & ASSOCIATES A PROFESSIONAL CORPORATION ASTUNO & ASSOCIATES APC | 0008903040807925 | Professional and technical services | Apr 1, 2026 |
| Torrance, CA | ASV ANDRY SPECIALTY VEHICLES INC | 0008928220810541 | Professional and technical services | Jun 1, 2026 |
| Seattle, WA | AT 31 ART LAB ATELIER 31 LLC | 0005596310564574 | Professional and technical services | Jan 1, 2005 |
| Seattle, WA | ATELIER A+D PLLC | 0008732030789746 | Professional and technical services | Jan 1, 2024 |
| Seattle, WA | ATELIER DROME LLP | 0007399350650020 | Professional and technical services | Oct 1, 2011 |
| Seattle, WA | ATELIER STRASSE LLC | 0008913650809025 | Professional and technical services | Apr 6, 2026 |
| Seattle, WA | ATELIER VERT GARDEN ARTISANS ATELIER VERT GARDEN ARTISANS LLC | 0007299250639321 | Professional and technical services | Jul 1, 2010 |
| Seattle, WA | ATELIERJONES LLC | 0007076130615431 | Professional and technical services | Jan 1, 2004 |
| Sammamish, WA | ATHENA EXECUTIVE SERVICES INC | 0007948520707601 | Professional and technical services | May 1, 2016 |
| Seattle, WA | ATHENA MARKETING INTERNATIONAL LLC | 0005740610579914 | Professional and technical services | Sep 13, 2004 |
| Seattle, WA | ATHIO GROUP LLC CNJ ATHIO GROUP LLC | 0007153360623662 | Professional and technical services | Feb 13, 2009 |
| Seattle, WA | ATIK LAW PLLC | 0008672980783460 | Professional and technical services | Jan 1, 2023 |
| Renton, WA | ATIMSOFT INC | 0007737990685725 | Professional and technical services | Aug 12, 2014 |
| Seattle, WA | ATKINS IP ATKINS INTELLECTUAL PROPERTY PLLC | 0007396400649718 | Professional and technical services | Sep 2, 2011 |
| Seattle, WA | ATKINSON ADVANCED MODELING LLC | 0008847580801974 | Professional and technical services | May 9, 2025 |
| Kirkland, WA | ATKINSREALIS CONSTRUCTION (USA) INC | 0005516950556053 | Professional and technical services | Apr 22, 2002 |
| Lynnwood, WA | ATKINSREALIS USA INC | 0007213300630163 | Professional and technical services | Jun 1, 2009 |
| Seattle, WA | ATLAS BOOKKEEPING SERVICE ATLAS BOOKKEEPING SERVICE LLC | 0005692010574754 | Professional and technical services | Mar 1, 2004 |
| Seattle, WA | ATLAS DESIGN & CONSULTING, INC ATLAS DESIGN & CONSULTING SERVICES INC | 0007652500676708 | Professional and technical services | Jan 1, 2014 |
| Seattle, WA | ATLAS DESIGN GROUP INC | 0008769880793756 | Professional and technical services | Jul 3, 2024 |
| Puyallup, WA | ATLAS GEOSCIENCES NW ATLAS GEOSCIENCES NW LLC | 0008659000782025 | Professional and technical services | Jan 1, 2023 |
| Seattle, WA | ATLAS IMMIGRATION LAW PLLC | 0008786310795487 | Professional and technical services | Oct 1, 2024 |
| Seattle, WA | ATLAS MARKETING LLC | 0008712720787672 | Professional and technical services | Sep 25, 2023 |
| Seattle, WA | ATLAS MARKETING LLC | 0008891540806653 | Professional and technical services | Feb 2, 2026 |
| Seattle, WA | ATLAS MARKETING, LLC ATLAS MARKETING LLC | 0008712720793259 | Professional and technical services | Jun 1, 2024 |
| Lafayette, LA | ATLAS TECHNICAL ATC GROUP SERVICES LLC | 0001612140163415 | Professional and technical services | May 1, 1993 |
| Redmond, WA | ATLAS TECHNICAL CONSULTANTS LLC | 0008723370788813 | Professional and technical services | Jan 1, 2024 |
| San Francisco, CA | ATLASSIAN US INC | 0008942970812082 | Professional and technical services | Jan 1, 2026 |
| Seattle, WA | ATMOSPHERIC DESIGN ATMOSPHERIC DESIGN LLC | 0008708190787186 | Professional and technical services | Mar 1, 2020 |
| Bellevue, WA | ATO APIAFI ARCHITECTS PLLC | 0007620240673399 | Professional and technical services | Oct 10, 2013 |
| La Canada, CA | ATOMAI SOLUTIONS INC. | 0008772290794008 | Professional and technical services | Jun 10, 2024 |
| Seattle, WA | ATOMIC FOX DESIGN ATOMIC FOX DESIGN LLC | 0007426950652917 | Professional and technical services | Jan 1, 2012 |
| Seattle, WA | ATOMIC MOGULS INC | 0005973650604819 | Professional and technical services | Jan 5, 2007 |
| Seattle, WA | ATOMICUS ATOMICUS LLC | 0008333280747745 | Professional and technical services | Feb 15, 2019 |
| Seattle, WA | ATOSSA THERAPEUTICS INC | 0007238550632838 | Professional and technical services | Apr 30, 2009 |
| Seattle, WA | ATP ENERGY LLC | 0008833820800543 | Professional and technical services | Nov 1, 2024 |
| Seattle, WA | ATP TES ENEGY LLC ATP TES ENERGY LLC | 0008833830800544 | Professional and technical services | Mar 19, 2025 |
| Seattle, WA | ATR CONSULTING LLC | 0008761900792906 | Professional and technical services | Feb 1, 2024 |
| Seattle, WA | ATREG ATREG INC | 0007308470640318 | Professional and technical services | Sep 13, 2010 |
| Seattle, WA | ATS AECOM TECHNICAL SERVICES INC | 0001918750194509 | Professional and technical services | Jul 1, 1996 |
| Kirkland, WA | ATS MANAGEMENT LLC | 0008711330787527 | Professional and technical services | Feb 1, 2021 |
| Seatac, WA | ATS TESTING AND INSPECTION SERVICES INC APPLIED TECHNICAL SERVICES LLC | 0008844550801663 | Professional and technical services | Jul 5, 2025 |
| Seattle, WA | ATTORNEY AT LAW LETA J SCHATTAUER PLLC | 0005508580555157 | Professional and technical services | Jan 1, 2002 |
| Seattle, WA | ATTORNEY MICHAEL REID LLC | 0007654630676938 | Professional and technical services | Dec 1, 2013 |
| Seattle, WA | ATTUNELY INC | 0008191450732862 | Professional and technical services | Jan 3, 2018 |
| Southfield, MI | ATWELL LLC | 0008704940786841 | Professional and technical services | Jul 1, 2023 |
| Seattle, WA | AUBRIE RICE DESIGN AUBRIE RICE DESIGN LLC | 0008795750796510 | Professional and technical services | Nov 10, 2024 |
| Franklin, TN | AUCTION EDGE AUCTION EDGE INC | 0008289070743130 | Professional and technical services | Feb 8, 2012 |
| Seattle, WA | AUDACY SERVICES LLC | 0008591540774957 | Professional and technical services | Jan 1, 2022 |
| Seattle, WA | AUDENTES FORTUNA LAW AUDENTES FORTUNA PLLC | 0008786700795526 | Professional and technical services | Aug 1, 2023 |
| Renton, WA | AUDRISE BEAUTY COUTURE LLC | 0008799580796927 | Professional and technical services | Mar 24, 2024 |
| Bellevue, WA | AUE ARMOUR UNSDERFER ENGINEERING INC | 0005756910581640 | Professional and technical services | Jan 1, 2005 |
| Seattle, WA | AUGMENTED AI LABS SIMPLY AUGMENTED INC | 0008229470736908 | Professional and technical services | Jan 1, 2018 |
| Seattle, WA | AUGUST TAYLOR DESIGN AUGUST TAYLOR DESIGN LLC | 0007596970670929 | Professional and technical services | Jun 15, 2013 |
| Seattle, WA | AUGUSTIN MANAGEMENT GROUP LLC | 0008914040809065 | Professional and technical services | Mar 31, 2026 |
| Seattle, WA | AUMAKUA LLC | 0008912840808932 | Professional and technical services | Jul 1, 2025 |
| Renton, WA | AURAVAL CONSULTING GROUP AURAVAL INC | 0007691020680771 | Professional and technical services | Apr 2, 2014 |
| Puyallup, WA | AURELIO SILVA EXCLUSIVE LINE FENCING & LANDSCAPE LLC | 0008769230793687 | Professional and technical services | Jun 1, 2024 |
| Austin, TX | AURIGO SOFTWARE TECHNOLOGIES INC | 0008366770751251 | Professional and technical services | Jul 1, 2017 |
| Seattle, WA | AURIVA PARTNERS AURIVA LLC | 0008912290808875 | Professional and technical services | Apr 1, 2026 |
| Seattle, WA | AURMUR LLC ALKA APPS LLC | 0008195880733379 | Professional and technical services | Feb 10, 2018 |
| Seattle, WA | AURORA FUTURE QUANTITATIVE RESEARCH LLC | 0008953090813163 | Professional and technical services | Oct 31, 2025 |
| Seattle, WA | AURORA INNOVATION INC AURORA OPERATIONS INC | 0008592380775046 | Professional and technical services | Jan 19, 2021 |
| Seattle, WA | AURORA VETERINARY HOSPITAL WASHINGTON VETERINARY SERVICES INC PS | 0008348870779382 | Professional and technical services | Jan 16, 2022 |
| Seattle, WA | AUSGAEL AVIATION SERVICES; AUSGAEL BY DERICHEOURG AUSGAEL BY DERICHEBOURG LLC | 0008219460735869 | Professional and technical services | Mar 1, 2018 |
| Seattle, WA | AUSK CONSULTING LLC | 0008405430755297 | Professional and technical services | Oct 1, 2019 |
| Seattle, WA | AUTO LOVE LLC | 0008607550776616 | Professional and technical services | Jan 1, 2019 |
| Buena Park, CA | AUTOLOGUE COMPUTER SYSTEMS AUTOLOGUE COMPUTER SYSTEMS INC | 0005098540510695 | Professional and technical services | Oct 1, 1997 |
| Seattle, WA | AUTOSCAN INC | 0005008350501001 | Professional and technical services | Sep 3, 1996 |
| Seattle, WA | AUX CUSTOM SOFTWARE LLC | 0008850630802285 | Professional and technical services | Feb 13, 2025 |
| Seattle, WA | AVACHATECH LLC | 0008538930769446 | Professional and technical services | Feb 24, 2019 |
| Seattle, WA | AVALON NORTHWEST LANDSCAPE LLC | 0005601420565119 | Professional and technical services | Jan 1, 2003 |
| Seattle, WA | AVALON TECHNOLOGY LLC | 0008498710765203 | Professional and technical services | Mar 9, 2017 |
| Seattle, WA | AVANADE INC | 0005611190566140 | Professional and technical services | Jan 1, 2003 |
| Seattle, WA | AVANTE HEALTH INC | 0008727590789276 | Professional and technical services | Sep 22, 2023 |
| Chicago, IL | AVANTE SOLUTIONS INC | 0005651880570413 | Professional and technical services | Jan 1, 2003 |
| Belmont, MI | AVASURE AVASURE LLC | 0008562570771902 | Professional and technical services | Aug 13, 2021 |
| Morristown, NJ | AVAYALIVE AVAYA CLOUD INC | 0008143100727812 | Professional and technical services | Mar 1, 2017 |
| Seattle, WA | AVELLAR PLLC | 0008541160769676 | Professional and technical services | Jun 2, 2021 |
| Seattle, WA | AVENUE IN CONSULTING LLC | 0008923770810068 | Professional and technical services | Apr 15, 2025 |
| Seattle, WA | AVENVIRO ACOUSTICS AVENVIRO ACOUSTICS LLC | 0007938470706547 | Professional and technical services | Mar 1, 2016 |
| Seattle, WA | AVERY FRANKLIN CONSULTING LLC | 0008374590752056 | Professional and technical services | Jun 11, 2019 |
| Seattle, WA | AVETRAD LLC | 0008826710799799 | Professional and technical services | Mar 12, 2025 |
| Tukwila, WA | AVI SYSTEMS INC | 0008725960789090 | Professional and technical services | Jan 3, 2023 |
| Seattle, WA | AVIDCRAFT THE AVIDCRAFT PLLC | 0008581860773947 | Professional and technical services | Aug 1, 2022 |
| Bellevue, WA | AVION PARTNERS AVION ENGINEERING SERVICES CORP | 0007144250622616 | Professional and technical services | Nov 1, 2008 |
| Seattle, WA | AVIT LLC | 0007287490638070 | Professional and technical services | Jul 1, 2010 |
| Seattle, WA | AVITIVA INC | 0007033940610945 | Professional and technical services | Dec 1, 2007 |
| Seattle, WA | AVIVA KAMM LAW AVIVA KAMM LAW PLLC | 0008670170783178 | Professional and technical services | Mar 15, 2023 |
| Seattle, WA | AVM BIOTECHNOLOGY INC AVM BIOTECHNOLOGY LLC | 0008345770749050 | Professional and technical services | Jan 14, 2008 |
| Seattle, WA | AVO FIREIGN UNITED LLC | 0007228410631767 | Professional and technical services | Apr 15, 2009 |
| Seattle, WA | AVVO INC | 0005910290598121 | Professional and technical services | Feb 15, 2006 |
| Lynnwood, WA | AWA ELECTRICAL CONSULTANTS INC | 0008232390737221 | Professional and technical services | Feb 15, 2015 |
| Seattle, WA | AWB ENGINEERING AWB ENGINEERING INC | 0007390370649086 | Professional and technical services | Jan 1, 2011 |
| Seattle, WA | AWFUL GOOD AWFUL GOOD LLC | 0008480640763293 | Professional and technical services | Apr 8, 2020 |
| North Canton, OH | AWP SAFETY AWP INC | 0008766380793389 | Professional and technical services | Jun 15, 2024 |
| Seattle, WA | AWS SECURITY ASSURANCE SERVICES LLC | 0005845580591100 | Professional and technical services | Oct 13, 2005 |
| Seattle, WA | AX SOLUTIONS AX SOLUTIONS LLC | 0007223290631220 | Professional and technical services | Jan 1, 2009 |
| Renton, WA | AXELRIVE AXELRIVE LLC | 0008410110755800 | Professional and technical services | Sep 5, 2019 |
| Seattle, WA | AXIO RESEARCH LLC | 0005756680581615 | Professional and technical services | Dec 8, 2004 |
| Seattle, WA | AXIOM CONSTRUCTORS LLC | 0005527230557147 | Professional and technical services | Jul 5, 2001 |
| Spokane, WA | AXIOM CONSULTING AND PROJECT MANAGEMENT LLC | 0008804630797486 | Professional and technical services | Jan 1, 2025 |
| Seattle, WA | AXIOS ACCOUNTING & TAX AXIOS ACCOUNTING LLC | 0008956670813532 | Professional and technical services | Oct 1, 2026 |
| Seattle, WA | AXIS ARCHITECTURE & DESIGN AXIS ARCHITECTURE & DESIGN INC | 0008679620784166 | Professional and technical services | Jan 1, 2023 |
| Seattle, WA | AXIS PIONEER SQUARE URBAN LIGHT LLC | 0007609150672215 | Professional and technical services | Jun 1, 2013 |
| Seattle, WA | AXISLINE AXISLINE LLC | 0008915780809250 | Professional and technical services | Feb 13, 2026 |
| Seattle, WA | AXT CONSULTING LLC | 0008481530763388 | Professional and technical services | Jan 1, 2016 |
| Seattle, WA | AYAKA NAKAMURA DVM PLLC | 0008715820787996 | Professional and technical services | Oct 16, 2023 |
| Seattle, WA | AYRUS CO AYRUS CORPORATION | 0008663560782498 | Professional and technical services | Jan 1, 2023 |
| Seattle, WA | AYTOSE GROUP LLC | 0008929770810706 | Professional and technical services | May 15, 2026 |
| Seattle, WA | AYUDA MEDICAL LLC | 0008847200801934 | Professional and technical services | Jan 1, 2024 |
| Spokane, WA | AYUNA COACHING AYUNA COACHING LLC | 0008808420797870 | Professional and technical services | Oct 31, 2024 |
| Seattle, WA | AZIMUTH COACHING HUS LLC | 0008695240785830 | Professional and technical services | Jul 3, 2023 |
| Kent, WA | AZONI LLC | 0008945740812383 | Professional and technical services | Aug 17, 2026 |
| Phoenix, AZ | AZTEC ENGINEERING GROUP INC | 0008575870773287 | Professional and technical services | Sep 28, 2021 |
| Vancouver, WA | AZTEC FORECLOSURE CORPORATION OF WASHINGTON PROFESSIONAL FORECLOSURE CORP OF WASHINGTON | 0001390340140766 | Professional and technical services | Aug 5, 1991 |
| Seattle, WA | B & H ARCHITECTS B & H ARCHITECTS WASHINGTON LLC | 0007598630671105 | Professional and technical services | Apr 19, 2013 |
| Seattle, WA | B DAVIS INVESTMENT LLC | 0008621050778040 | Professional and technical services | Jan 1, 2020 |
| Edmonds, WA | B LIESSE PHOTO LLC | 0008552280770818 | Professional and technical services | Aug 13, 2021 |
| Seattle, WA | B&B EXECUTIVE SECURITY LLC | 0008695130785819 | Professional and technical services | Jun 26, 2023 |
| Seattle, WA | B+E CONSULTING PARTNERS INC | 0008589920774791 | Professional and technical services | Feb 1, 2022 |
| Seattle, WA | B2BVP B2BVP LLC | 0008614510777353 | Professional and technical services | Oct 4, 2021 |
| Seattle, WA | B9 ARCHITECTS INC | 0005860390592706 | Professional and technical services | Jan 3, 2003 |
| Seattle, WA | BABBLETTE COMPANY | 0008209050734774 | Professional and technical services | Feb 1, 2018 |
| Edmonds, WA | BACK 40 MARKETING LLC | 0007084160616274 | Professional and technical services | Feb 25, 2008 |
| Fife, WA | BACODEO LLC | 0008088020722108 | Professional and technical services | Mar 17, 2017 |
| Seattle, WA | BAD ASSOCIATIONS BAD ASSOCIATIONS LLC | 0008778300794642 | Professional and technical services | Sep 1, 2024 |
| Seattle, WA | BAE DIGITAL STUDIO BAE VENTURES LLC | 0008939030811666 | Professional and technical services | Jun 10, 2026 |
| Herriman, UT | BAGGS CONSULTING LLC | 0008707540787121 | Professional and technical services | Sep 8, 2023 |
| Seattle, WA | BAGWELL RESEARCH SERVICES BAGWELL RESEARCH SERVICES LLC | 0008025760715632 | Professional and technical services | Jan 9, 2017 |
| Seattle, WA | BAHAREH LEGAL LLC | 0008639530779986 | Professional and technical services | Nov 4, 2021 |
| Seattle, WA | BAIG TALK LLC | 0008918350809522 | Professional and technical services | Apr 28, 2026 |
| Seattle, WA | BAILET CONSULTING INC | 0007759360687922 | Professional and technical services | Jan 29, 2014 |
| Seattle, WA | BAILEY DISHER LLC | 0008512900766700 | Professional and technical services | Nov 30, 2020 |
| Seattle, WA | BAILEY ONSAGER PC BAILEY ONSAGER PROFESSIONAL CORPORATION | 0001783250180880 | Professional and technical services | Jan 1, 1995 |
| Boston, MA | BAIN & COMPANY INC | 0008326890747083 | Professional and technical services | Oct 1, 2018 |
| Seattle, WA | BAJI GROUP BAJI LLC | 0007530790663907 | Professional and technical services | May 19, 2012 |
| Chicago, IL | BAKER & MCKENZIE LLP | 0008603480776198 | Professional and technical services | Jan 1, 2021 |
| Seattle, WA | BAKER STERCHI COWDEN & RICE LLC | 0008798850796854 | Professional and technical services | Sep 1, 2024 |
| Chicago, IL | BAKER TILLY US, LLP BAKER TILLY US LLP | 0005728180578602 | Professional and technical services | Aug 10, 2004 |
| Seattle, WA | BAKERHOSTETLER BAKER & HOSTETLER LLP | 0007678230679423 | Professional and technical services | Jan 1, 2014 |
| Seattle, WA | BALANCE BOOKKEEPING BALANCE BOOKKEEPING & CONSULTING LLC | 0008887180806160 | Professional and technical services | Jan 1, 2026 |
| Seattle, WA | BALANCED BOOKS LLC | 0008763200793042 | Professional and technical services | May 7, 2024 |
| Seattle, WA | BALDERSTON ASSOCIATES LLC | 0007862430698627 | Professional and technical services | Aug 3, 2015 |
| Tukwila, WA | BALINT AND ASSOCIATES PLLC | 0005357460538962 | Professional and technical services | May 1, 2000 |
| Seattle, WA | BALLANTYNE NUTRITION SERVICES PLLC | 0008611700777058 | Professional and technical services | Apr 25, 2022 |
| Seatac, WA | BALLARD CONSTRUCTION BALLARD CONSTRUCTION INC | 0008503940765762 | Professional and technical services | Jan 20, 2020 |
| Seattle, WA | BALLARD GAMES INC | 0008876770805017 | Professional and technical services | Jul 2, 2025 |
| Seattle, WA | BALLARD LAW GROUP THE BALLARD LAW GROUP PLLC | 0005820160588389 | Professional and technical services | Aug 1, 2005 |
| Seattle, WA | BALLARD SPAHR LLP | 0008907230808355 | Professional and technical services | Jan 1, 2025 |
| Seattle, WA | BALLARD947 INC | 0005957300603101 | Professional and technical services | Feb 1, 2005 |
| Seattle, WA | BALLAST ARCHITECTS BALLAST ARCHITECTS LLC | 0008586840774474 | Professional and technical services | Feb 1, 2022 |
| Seattle, WA | BALLISTA CONSULTING LLC | 0007127100620777 | Professional and technical services | Aug 31, 2008 |
Alphabetical order — this site ranks no one. Companies in the City of Seattle, Finance and Administrative Services file of October 2, 2026. Individuals are not on this site. How to read this.