Professional and technical services — page 6 of 33
9,796 companies, type “Professional and technical services”.
1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15 · 16 · 17 · 18 · 19 · 20 · 21 · 22 · 23 · 24 · 25 · 26 · 27 · 28 · 29 · 30 · 31 · 32 · 33
| Place | Company | City account number | Industry | License since |
|---|---|---|---|---|
| Lacey, WA | CAPITOL PUMP RESOURCES CCPR INC | 0008645000780566 | Professional and technical services | Oct 27, 2022 |
| Seattle, WA | CAPITOL STEPS LLC | 0005103470511213 | Professional and technical services | Nov 1, 1997 |
| Seattle, WA | CAPN CAPN LLC | 0008701130786441 | Professional and technical services | Jul 26, 2023 |
| Seattle, WA | CAPPIO CONSULTING LLC | 0008814300798479 | Professional and technical services | Nov 15, 2024 |
| Seattle, WA | CAPSULE CAPSULE LTD | 0007722010684047 | Professional and technical services | Jul 1, 2013 |
| Seattle, WA | CAPSULE 8 LLC | 0008322270746593 | Professional and technical services | Jan 1, 2018 |
| Seattle, WA | CAPTURE CULTURE LLC | 0008329290747336 | Professional and technical services | Jan 29, 2019 |
| Seattle, WA | CARA VETERINARY PRACTICE WA PLLC | 0008361000772589 | Professional and technical services | Sep 7, 2021 |
| Seattle, WA | CARA VETERINARY PRACTICE WA PLLC | 0008361000750635 | Professional and technical services | May 15, 2019 |
| Seattle, WA | CARA VETERINARY PRACTICE WA PLLC | 0008361000750636 | Professional and technical services | May 15, 2019 |
| Seattle, WA | CARA VETERINARY PRACTICE WA PLLC | 0008806180797643 | Professional and technical services | Aug 13, 2024 |
| Renton, WA | CARACAS STENCIL DESIGN LLC | 0008763990793121 | Professional and technical services | Jan 1, 2024 |
| Seattle, WA | CARAMELLA DESIGN STUDIO WILLIAM CARAMELLA ARCHITECTURE PLLC | 0008873910804711 | Professional and technical services | Oct 7, 2025 |
| New York, NY | CARBON DIRECT CARBON DIRECT INC | 0008856030802846 | Professional and technical services | Jan 31, 2023 |
| Seattle, WA | CARBON ONE KINGHORN CONSULTING LLC | 0008567770772453 | Professional and technical services | Jul 1, 2021 |
| Seattle, WA | CARBON REMOVAL STRATEGIES LLC | 0008800780797053 | Professional and technical services | Oct 9, 2024 |
| Seattle, WA | CARBON STANDARD DOT EARTH A NONPROFIT CORP | 0008613990777300 | Professional and technical services | May 23, 2022 |
| Seattle, WA | CARBONWOLF ENERGY CARBONWOLF ENERGY LLC | 0007657570677253 | Professional and technical services | Jan 13, 2014 |
| Seattle, WA | CARBYNE ENTERPRISES INC | 0007704810682204 | Professional and technical services | Apr 1, 2014 |
| Seattle, WA | CARD ADVANTAGE CORPORATION | 0008788460795715 | Professional and technical services | Aug 27, 2024 |
| Seattle, WA | CARDIAC INSIGHT CARDIAC INSIGHT INC | 0007319720641484 | Professional and technical services | Nov 1, 2010 |
| Seattle, WA | CARDINAL ARCHITECTURE PC | 0005964080603811 | Professional and technical services | Mar 19, 2007 |
| Seattle, WA | CARDOZA MENJIVAR LLC | 0008772100793989 | Professional and technical services | Jul 15, 2024 |
| Seattle, WA | CAREERNOTESAI BHIMSENAI LLC | 0008927350810448 | Professional and technical services | Feb 23, 2026 |
| Seattle, WA | CARELISTINGS.COM CARE PAPERS INC | 0008367370751312 | Professional and technical services | May 1, 2018 |
| Seattle, WA | CARESOURCE HEALTHCARE COMMUNICATIONS INC | 0001346140136236 | Professional and technical services | Apr 1, 1991 |
| New York, NY | CARGO FACTS ROYAL NEWS CORP | 0007494630660098 | Professional and technical services | Mar 1, 2010 |
| Seattle, WA | CARISSA FARKAS STRUCTURAL ENGINEERING PLLC | 0007146490622905 | Professional and technical services | Feb 1, 2009 |
| Seattle, WA | CARKEEK STUDIOS CARKEEK STUDIOS LLC | 0008282200742408 | Professional and technical services | Jan 1, 2018 |
| Seattle, WA | CARMICHAEL PROFESSIONAL SERVICES JANELLE CARMICHAEL COACHING LLC | 0008849780802197 | Professional and technical services | Jan 1, 2025 |
| Seattle, WA | CARNIVORE CARNIVORE ENTERPRISES INC | 0008702100786543 | Professional and technical services | Jul 31, 2023 |
| Seattle, WA | CAROL E JENSEN CPA PLLC | 0007300780639499 | Professional and technical services | Jan 1, 2010 |
| Seattle, WA | CAROL HARROLD PHOTOGRAPHY INIFINTY STUDIOS LLC | 0008592810775093 | Professional and technical services | Jan 1, 2022 |
| Seattle, WA | CAROL MACILROY CONSULTING CAROL MACILROY CONSULTING CORP | 0007082330616077 | Professional and technical services | May 15, 2008 |
| Seattle, WA | CAROL SAGE SILVERSTEIN & ASSOCIATES | 0008284670742665 | Professional and technical services | Sep 1, 2018 |
| Seattle, WA | CAROLLO ENGINEERS INC | 0005430910546878 | Professional and technical services | Aug 23, 2000 |
| Seattle, WA | CAROMB LLC | 0007546230665538 | Professional and technical services | Jan 1, 2013 |
| Lincoln, RI | CARPEDATUM, LLC CARPEDATUM CONSULTING INC | 0007473140657849 | Professional and technical services | Jul 9, 2012 |
| Seattle, WA | CARPENTER & ZUCKERMAN CZ&R LLP | 0008675540783734 | Professional and technical services | Apr 1, 2023 |
| Seattle, WA | CARR FAMILY LAW PLLC | 0007952460708005 | Professional and technical services | May 9, 2016 |
| Seattle, WA | CARRIER JOHNSON CARRIER JOHNSON LLC | 0005964490603853 | Professional and technical services | Apr 15, 2007 |
| Seattle, WA | CARRINGTON LAW OFFICES PC | 0007251400634177 | Professional and technical services | Mar 1, 2010 |
| Seattle, WA | CARROLL BIDDLE & BILANKO PLLC | 0008083250721613 | Professional and technical services | May 15, 2017 |
| Seattle, WA | CARROLL LAW PLLC | 0008485860763850 | Professional and technical services | May 1, 2020 |
| Seattle, WA | CARROTHERS & CO PLLC | 0005502840554535 | Professional and technical services | Jan 1, 2002 |
| Seattle, WA | CARSON GROUP COLLECTIVE LLC | 0008884720805882 | Professional and technical services | Aug 20, 2025 |
| Seattle, WA | CARTER GROUP CARTER ADVISORS LLC | 0008515710767006 | Professional and technical services | Aug 1, 2020 |
| Seattle, WA | CARTER QUINN NORLIN INC PERBIX BYKONEN INC | 0005322630535239 | Professional and technical services | Jan 1, 2000 |
| Seattle, WA | CARTER RENEE CARTER RENEE LLC | 0007839090696224 | Professional and technical services | Jul 1, 2015 |
| Seattle, WA | CARTERDAYNE INC | 0005750740580986 | Professional and technical services | Jul 15, 2004 |
| Snoqualmie, WA | CARTWHEEL CREATIVE CARTWHEEL CREATIVE LLC | 0005846130591162 | Professional and technical services | Oct 13, 2005 |
| Seattle, WA | CARTWRIGHT PROJECTS LLC | 0007176900626299 | Professional and technical services | Apr 1, 2009 |
| Seattle, WA | CARUS CRUISE INC | 0007838580696171 | Professional and technical services | Jun 1, 2015 |
| Seattle, WA | CASA ZITMAN CASA ZITMAN LLC | 0008835670800753 | Professional and technical services | May 6, 2025 |
| Seattle, WA | CASCADE AGENTIC LABS LLC | 0008867000803983 | Professional and technical services | Oct 1, 2025 |
| Portland, OR | CASCADE ENERGY LLC | 0008828350799969 | Professional and technical services | Feb 1, 2025 |
| Seattle, WA | CASCADE GLOBAL SOLUTIONS CASCADE GLOBAL SOLUTIONS LLC | 0007873700699804 | Professional and technical services | Jul 31, 2015 |
| Seattle, WA | CASCADE HERITAGE CONSULTANTS INC | 0008237420737738 | Professional and technical services | Apr 27, 2018 |
| Seattle, WA | CASCADE IMMUNOBIOLOGY LLC | 0007889630701459 | Professional and technical services | Jul 15, 2015 |
| Oregon City, OR | CASCADE INSIGHTS LLC | 0008478720763093 | Professional and technical services | Jul 1, 2009 |
| Tukwila, WA | CASCADE LAWYERS CASCADE LAWYERS PLLC | 0008788060795672 | Professional and technical services | Sep 1, 2024 |
| Seattle, WA | CASCADE LEGAL SOLUTIONS PLLC | 0008737120790275 | Professional and technical services | Feb 1, 2024 |
| Seattle, WA | CASCADE MISSION CRITICAL LLC | 0007777820689819 | Professional and technical services | Dec 10, 2014 |
| Seattle, WA | CASCADE NETWORK SYSTEMS LLC | 0007071770614977 | Professional and technical services | Nov 4, 2007 |
| Seattle, WA | CASCADE VOLLEYBALL CLUB OF SEATTLE CASCADE VOLLEYBALL CLUB OF SEATTLE INC | 0007312870640777 | Professional and technical services | Jan 28, 2008 |
| Sultan, WA | CASCADE WATER GARDENS LLC | 0008676710783864 | Professional and technical services | Jan 23, 2023 |
| Seattle, WA | CASCADIA ARCHAEOLOGY CASCADIA ARCHAEOLOGY LLC | 0007168000625352 | Professional and technical services | Apr 1, 2009 |
| Seattle, WA | CASCADIA CONCIERGE CASCADIA CONCIERGE LLC | 0008655880781712 | Professional and technical services | Jan 1, 2022 |
| Seattle, WA | CASCADIA CONSULTANTS LLC | 0008346840749161 | Professional and technical services | Feb 11, 2019 |
| Seattle, WA | CASCADIA ENERGY VENTURES CASCADIA ENERGY VENTURES LLC | 0008546360770211 | Professional and technical services | Jun 14, 2021 |
| Seattle, WA | CASCADIA LAW GROUP PLLC | 0005497910554001 | Professional and technical services | Jan 15, 2002 |
| Seattle, WA | CASCADIA LEADERSHIP ADVISORS CASCADIA LEADERSHIP ADVISORS LLC | 0008812250798270 | Professional and technical services | Apr 1, 2024 |
| Seattle, WA | CASCADIA STRATEGIES CASCADIA STRATEGIES INC | 0007843930696727 | Professional and technical services | Jul 1, 2015 |
| Seattle, WA | CASCADIA SUSTAINABLE AVIATION INSTITUTE | 0008836750800862 | Professional and technical services | May 13, 2025 |
| Edmonds, WA | CASCADIA TECHNICAL IMAGING LLC | 0008421260756943 | Professional and technical services | Jan 1, 2019 |
| Seattle, WA | CASCADIAN DATA LLC | 0008314040745732 | Professional and technical services | Sep 24, 2018 |
| Kenmore, WA | CASCARA TREE CONSULTING CASCARA TREE CONSULTING LLC | 0008658580781983 | Professional and technical services | Jan 12, 2023 |
| Seattle, WA | CASCASE INNOVATION PARTNERS LLC | 0008916130809285 | Professional and technical services | Mar 3, 2026 |
| Seattle, WA | CASE GROUP INC | 0007045010612149 | Professional and technical services | Oct 8, 2007 |
| Seattle, WA | CASE RESEARCH LLC | 0007441870654568 | Professional and technical services | Jan 1, 2012 |
| Seattle, WA | CASERA CASERA INC | 0008878680805232 | Professional and technical services | Nov 5, 2025 |
| Seattle, WA | CASEY & PRUZAN PLLC | 0000061580008782 | Professional and technical services | Jan 1, 1969 |
| Seattle, WA | CASEY HANISKO LLC | 0008895530807117 | Professional and technical services | Mar 17, 2023 |
| Seattle, WA | CASH CLOUD SOLUTIONS CASH CLOUD SOLUTIONS LLC | 0008637130779726 | Professional and technical services | Nov 1, 2022 |
| Seattle, WA | CASHWALK LABS INC | 0008873560804676 | Professional and technical services | Jul 1, 2025 |
| Bellevue, WA | CASIUM INC | 0008803560797363 | Professional and technical services | Apr 10, 2024 |
| Seattle, WA | CASSIDY MITHCELL LLC CASSIDY MITCHELL LLC | 0008900600807673 | Professional and technical services | Feb 25, 2026 |
| Seattle, WA | CASTLENUT LLC | 0008720900788549 | Professional and technical services | Jan 1, 2023 |
| Seattle, WA | CAT CLINIC OF SEATTLE WASHINGTON VETERINARY SERVICES INC PS | 0008348870765617 | Professional and technical services | Jun 21, 2018 |
| Seattle, WA | CAT TO COW LLC | 0008764060793128 | Professional and technical services | Jun 1, 2024 |
| Seattle, WA | CATALANO CONSULTING JCAT LLC | 0008756030792290 | Professional and technical services | Apr 20, 2024 |
| Redmond, WA | CATALINA MARKETING CORP | 0005102810511147 | Professional and technical services | Oct 1, 1992 |
| Seattle, WA | CATALYSIS CATALYSIS CORP | 0005211860522997 | Professional and technical services | Jul 1, 1997 |
| Seattle, WA | CATALYSIS LLC | 0007699400681641 | Professional and technical services | Jan 1, 2014 |
| Seattle, WA | CATALYST BUSINESS COACHING & CONSULTING LLC | 0007061420613883 | Professional and technical services | Mar 3, 2008 |
| Seattle, WA | CATALYST COMMUNICATIONS INC | 0001765680179085 | Professional and technical services | Jun 1, 1995 |
| Seattle, WA | CATALYST DESIGN CONSULTING LLC | 0008894740807026 | Professional and technical services | Aug 11, 2025 |
| Seattle, WA | CATALYST DESIGN STUDIO LLC | 0005890140595959 | Professional and technical services | Jul 1, 2006 |
| Seattle, WA | CATALYST MARKETING AGENCY JANUS INC | 0008350240749509 | Professional and technical services | Mar 4, 2019 |
| Seattle, WA | CATALYST MARKETING INC | 0005223580524294 | Professional and technical services | Jan 6, 1999 |
| Seattle, WA | CATALYZ LLC | 0007921280704771 | Professional and technical services | Feb 3, 2016 |
| Seattle, WA | CATBIRD SEAT MARKETING LLC | 0007342360643947 | Professional and technical services | Jan 1, 2011 |
| Seattle, WA | CATCH DESIGN STUDIO LLC | 0007326450642177 | Professional and technical services | Oct 1, 2010 |
| Seattle, WA | CATCH22 C22SMB INC | 0008495190764840 | Professional and technical services | Sep 1, 2020 |
| Ellensburg, WA | CATCHMENT SOLUTIONS LLC | 0008193450733124 | Professional and technical services | Jan 1, 2018 |
| Seattle, WA | CATCHY LLC | 0007788850691000 | Professional and technical services | Jun 19, 2014 |
| Seattle, WA | CATE GOETHALS LLC | 0008475930762794 | Professional and technical services | Jun 1, 2018 |
| Los Angeles, CA | CATER2 ME ACACIA NPU INC | 0007737550685679 | Professional and technical services | Sep 8, 2014 |
| Seattle, WA | CATHERINE ROLLER WHITE CONSULTING LLC | 0008843980801606 | Professional and technical services | Jan 1, 2025 |
| Seattle, WA | CATHY GORMLEY PLLC | 0007619550673326 | Professional and technical services | Jan 1, 2013 |
| Seattle, WA | CATHY SARKOWSKY STUDIO LLC | 0007438810654249 | Professional and technical services | Jan 1, 2012 |
| Seattle, WA | CAUSE & IMPACT AMANDA DEFISHER LLC | 0008649830781075 | Professional and technical services | Nov 17, 2022 |
| Seattle, WA | CAUSE-EFFECT DESIGN LLC | 0008616550777562 | Professional and technical services | Jun 1, 2022 |
| Seattle, WA | CAUSEY WRIGHT CAUSEY WRIGHT INC PS | 0005136940515004 | Professional and technical services | Jan 1, 1998 |
| Seattle, WA | CAVES CAVES LLC | 0007337330643393 | Professional and technical services | Feb 1, 2011 |
| Seattle, WA | CB ANDERSON ARCHITECTS PLLC | 0007101480618115 | Professional and technical services | Jul 1, 2008 |
| Seattle, WA | CB GROWTH PARTNERS LLC | 0008455910760675 | Professional and technical services | Jan 2, 2020 |
| Jersey City, NJ | CB NEPTUNE HOLDINGS LLC | 0008822330799343 | Professional and technical services | Jan 1, 2025 |
| Baton Rouge, LA | CB&I ENVIRONMENTAL & INFRASTRUCTURE INC | 0008780320794849 | Professional and technical services | Sep 16, 2024 |
| Richardson, TX | CBRE GWS LLC | 0007948150707560 | Professional and technical services | Sep 1, 2015 |
| Seattle, WA | CBRE GWS LLC | 0007948150720099 | Professional and technical services | Jan 5, 2017 |
| Seattle, WA | CBRE HMF CBRE HMF INC | 0007323400641863 | Professional and technical services | Dec 2, 2008 |
| Seattle, WA | CC BOOKKEEPING LLC | 0008751920791867 | Professional and technical services | Jan 1, 2023 |
| Seattle, WA | CC CONSULTING LLC | 0008669090783068 | Professional and technical services | Jun 1, 2022 |
| Seatac, WA | CCMMAS CCM MANAGEMENT & ACCOUNTING SUPPORT LLC | 0007967930709606 | Professional and technical services | Jan 1, 2016 |
| Seattle, WA | CCONCERNS COLLECTIVE CONCERNS LLC | 0005591420564050 | Professional and technical services | Jan 1, 2003 |
| Seattle, WA | CD INCOME TAX CD INCOME TAX PLLC | 0007494530660088 | Professional and technical services | Aug 5, 2012 |
| Seattle, WA | CDC CONSTRUCTION DEFECT CONSULTING INC | 0005605760565571 | Professional and technical services | May 23, 2003 |
| Seattle, WA | CDE CONSULTING LLC | 0005566170561283 | Professional and technical services | Apr 1, 2001 |
| Seattle, WA | CDJ MARKETING CDJ MARKETING LLC | 0007704010682120 | Professional and technical services | May 12, 2014 |
| Boston, MA | CDM CONSTRUCTORS INC | 0005538520558345 | Professional and technical services | Jul 16, 2002 |
| Seattle, WA | CDM SMITH INC | 0000997650100413 | Professional and technical services | Apr 1, 1988 |
| Seattle, WA | CDS CLUB DEMONSTRATION SERVICES INC | 0008263400740452 | Professional and technical services | Jul 30, 2018 |
| Seattle, WA | CDS ASSOCIATES CDS ASSOCIATES LLC | 0007056880613403 | Professional and technical services | Jan 1, 2008 |
| Shoreline, WA | CE CONSULTING & COUNSELING PLLC | 0008407740755555 | Professional and technical services | Oct 1, 2019 |
| Seattle, WA | CECILIA CECILIA LLC | 0007994940712408 | Professional and technical services | Oct 1, 2016 |
| Seattle, WA | CEDAR DIGITAL LLC | 0008917690809456 | Professional and technical services | Apr 8, 2026 |
| Seattle, WA | CEDAR GROVE SYSTEMS LLC | 0007148380623104 | Professional and technical services | Aug 8, 2007 |
| Burien, WA | CEDAR LAW GROUP PLLC | 0008004410713383 | Professional and technical services | Jul 1, 2016 |
| Seattle, WA | CEDAR LAW PLLC | 0008056720718855 | Professional and technical services | Dec 1, 2014 |
| Seattle, WA | CEDAR RIVER GROUP LLC | 0005495710553766 | Professional and technical services | Jan 1, 2002 |
| Seattle, WA | CEDARSHEL SUSTAINABILITY CEDARSHEL LLC | 0008777870794599 | Professional and technical services | Jul 11, 2024 |
| Renton, WA | CEIBA TECH CEIBA INC | 0008175490731177 | Professional and technical services | Jul 1, 2017 |
| Seattle, WA | CEIS BAYNE & EAST LLC | 0007235010632467 | Professional and technical services | Jan 4, 2010 |
| Snohomish, WA | CEJA ENGINEERING COMPANY | 0005908960597972 | Professional and technical services | Sep 1, 2006 |
| Woburn, MA | CELARTEM INC | 0005121020513174 | Professional and technical services | Aug 1, 1997 |
| Seattle, WA | CELLULAR WISDOM INC | 0005646120569803 | Professional and technical services | Oct 6, 2003 |
| Kirkland, WA | CELTHRU LLC | 0008089890722314 | Professional and technical services | May 1, 2017 |
| Seattle, WA | CENOALIS CORP CENOALIS CORPORATION | 0008524790767947 | Professional and technical services | Jan 1, 2021 |
| Burien, WA | CENSEO INSIGHT INC | 0007441240654501 | Professional and technical services | Jan 9, 2012 |
| Vancouver, WA | CENTERLOGIC INC | 0008469430762086 | Professional and technical services | Feb 1, 2019 |
| Seattle, WA | CENTERPOINT AVIATION LAW PLLC | 0007130060621085 | Professional and technical services | Sep 28, 2008 |
| Sumner, WA | CENTRE POINTE CONSULTANTS INC PS | 0005907510597822 | Professional and technical services | Aug 8, 2006 |
| Dayton, OH | CENTRIC CONSULTING LLC | 0008587330774524 | Professional and technical services | Jan 15, 2022 |
| Seattle, WA | CENTURION VENTURE CONSULTANTS LLC | 0007604580671719 | Professional and technical services | Mar 15, 2013 |
| Seattle, WA | CERBERUS INC | 0005343000537438 | Professional and technical services | Jan 20, 2000 |
| Seattle, WA | CERILLION N4 PARTNERS CERILLION N4 PARTNERS LLC | 0007279130637172 | Professional and technical services | Apr 22, 2010 |
| Renton, WA | CERNA LANDSCAPE INC | 0005515920555944 | Professional and technical services | Apr 1, 2002 |
| Seattle, WA | CERTARA USA INC | 0008528140768313 | Professional and technical services | Mar 15, 2021 |
| Bellingham, WA | CERTERRA NORTHWEST LLC | 0008842050801402 | Professional and technical services | Apr 1, 2025 |
| Seattle, WA | CERTIFIED FOLDER DISPLAY SVC INC | 0005463200550277 | Professional and technical services | Jan 1, 1997 |
| Kent, WA | CERTIFIED INSPECTION SVCS INC | 0005442390548073 | Professional and technical services | May 10, 2001 |
| Seattle, WA | CERTIFIED MEDIA GROUP LLC | 0008618170777733 | Professional and technical services | Jul 1, 2021 |
| Seattle, WA | CERTIVO INC | 0008800110796983 | Professional and technical services | Nov 7, 2024 |
| Seattle, WA | CERTUSPACT LLC | 0005903230597382 | Professional and technical services | Jul 7, 2006 |
| Seattle, WA | CES CONSULTING LLC | 0008523380767806 | Professional and technical services | Jan 1, 2021 |
| Mukilteo, WA | CES ENTERPRISES | 0001926750195317 | Professional and technical services | Jan 1, 1996 |
| Seattle, WA | CETAVIA INVESTMENT PARTNERS LLC | 0007346790644439 | Professional and technical services | Feb 14, 2011 |
| Seattle, WA | CETCO INC | 0001915900194225 | Professional and technical services | Jan 1, 1996 |
| Seattle, WA | CFL LAW GROUP LLP | 0008182800731959 | Professional and technical services | Jan 1, 2018 |
| Seattle, WA | CFM CHACE-MACKI LLC | 0008852410802472 | Professional and technical services | Jul 7, 2025 |
| Lynnwood, WA | CFO TODAY VEDDER FINANCIAL SERVICES LLC | 0005927440599903 | Professional and technical services | Sep 15, 2006 |
| Seattle, WA | CG ECONOMIC ANALYSIS LLC | 0008666200782773 | Professional and technical services | Feb 10, 2023 |
| Edmonds, WA | CG ENGINEERING PLLC | 0007268680636052 | Professional and technical services | Apr 19, 2010 |
| Seattle, WA | CG SCULPTURE AND JEWELRY COPPER LUNG LLC | 0005666490571979 | Professional and technical services | Jan 1, 2004 |
| Mesa, AZ | CGC ENVIRONMENTAL WA LLC | 0008950540812900 | Professional and technical services | Aug 19, 2026 |
| Fairfax, VA | CGI FEDERAL INC | 0007692120680881 | Professional and technical services | Jan 1, 2014 |
| Fairfax, VA | CGI TECHNOLOGIES & SOLUTIONS INC | 0001578720160023 | Professional and technical services | Dec 1, 1987 |
| Seattle, WA | CGPOTTINGER & CO CG POTTINGER & CO LLC | 0008576970773414 | Professional and technical services | Dec 9, 2020 |
| Seattle, WA | CH BUSINESS SERVICES CH BUSINESS SERVICES LLC | 0008943540812140 | Professional and technical services | Dec 18, 2023 |
| Seattle, WA | CH CLEANERS HYKIM CORP | 0005950040602311 | Professional and technical services | Mar 1, 2007 |
| Bellevue, WA | CH2M HILL ENGINEERS INC | 0007317100641214 | Professional and technical services | Dec 13, 2010 |
| Seattle, WA | CH2M HILL INC | 0000253510687765 | Professional and technical services | Sep 1, 2014 |
| Bellevue, WA | CH2M HILL INC | 0000253510031616 | Professional and technical services | Jan 1, 1976 |
| Seattle, WA | CH2M HILL INC | 0000253510646995 | Professional and technical services | Jan 1, 2011 |
| Seattle, WA | CHADBOURNE DOSS ARCHITECTS PLLC | 0008181340731797 | Professional and technical services | Jan 1, 2018 |
| Seattle, WA | CHADWICK & WINTERS LAND SURVEYING B E WINTERS CO INC | 0008196260733436 | Professional and technical services | Jan 3, 2018 |
| Seattle, WA | CHAKROFF DESIGN LLC | 0008837210800911 | Professional and technical services | Feb 14, 2025 |
| Seattle, WA | CHALKBOX CREATIVE LLC | 0005950730602382 | Professional and technical services | Jan 1, 2007 |
| Seattle, WA | CHALMERS ADAMS BACKER AND KAUFMAN LLC | 0008874640804787 | Professional and technical services | Feb 27, 2023 |
| Seattle, WA | CHAMBER DOOR LLC | 0008826840799814 | Professional and technical services | May 24, 2024 |
| Seattle, WA | CHAMBERLAIN & RAE PLLC | 0008295400743787 | Professional and technical services | Sep 27, 2018 |
| Seattle, WA | CHAMBERS CREATIVE LLC | 0007526130663401 | Professional and technical services | Sep 19, 2012 |
| Seattle, WA | CHAMPION MASSAGE CHAMPION MASSAGE LLC | 0008795190796454 | Professional and technical services | Dec 1, 2024 |
| Miami, FL | CHAMPION SERVICES GROUP THE INC | 0005682340573730 | Professional and technical services | May 1, 2004 |
| Seattle, WA | CHAMPIONSHIP TEAMS LLC | 0007219560630818 | Professional and technical services | Oct 7, 2009 |
| Seattle, WA | CHANDEN INC | 0007223330631225 | Professional and technical services | Mar 10, 2009 |
| Carrollton, TX | CHANGE HEALTHCARE TECHNOLOGIES LLC | 0007255800634641 | Professional and technical services | Jan 1, 2010 |
| Bainbridge Island, WA | CHANGE STATE CHANGE STATE LLC | 0008494130764721 | Professional and technical services | May 1, 2019 |
| Seattle, WA | CHANGING SPACES CHANGING SPACES LLC | 0007540540664947 | Professional and technical services | Jan 1, 2012 |
| Seattle, WA | CHAOS THEORY STUDIOS CHAOS THEORY STUDIOS LLC | 0008547940770372 | Professional and technical services | Jul 1, 2021 |
| Troy, MI | CHAPMAN LAW GROUP CHAPMAN AND ASSOCIATES PC | 0008878190805180 | Professional and technical services | Nov 24, 2025 |
| Seattle, WA | CHAPTER & VERSE INC | 0007552430666201 | Professional and technical services | Aug 1, 2012 |
| Seattle, WA | CHARDOS CONSULTING LLC | 0008544420770012 | Professional and technical services | Jun 10, 2021 |
| Seattle, WA | CHARLES ANDERSON COMPANY INC | 0008780170794833 | Professional and technical services | Sep 1, 2024 |
| Seattle, WA | CHARLES DENT LLC | 0007509150661625 | Professional and technical services | Jun 4, 2012 |
| Seattle, WA | CHARLIE DANG TAX & ACCOUNTING CHARLIE DANG TAX & ACCOUNTING INC | 0005755830581525 | Professional and technical services | Jan 1, 2005 |
| Seattle, WA | CHARMEL BOWDEN COACHING & CONSULTING GROUP LLC | 0008670300783191 | Professional and technical services | Feb 1, 2023 |
| Seattle, WA | CHARTREUSE LANDSCAPE DESIGN LLC | 0008046230717760 | Professional and technical services | Jan 3, 2017 |
| Seattle, WA | CHARU JANGID PRODUCTSCALE LLC | 0008685570784777 | Professional and technical services | Apr 18, 2022 |
| Seattle, WA | CHAS H BERESFORD CO INC | 0000050440007338 | Professional and technical services | Jan 1, 1970 |
| Seattle, WA | CHASE MARKETING COMPANY | 0005208750522644 | Professional and technical services | Jan 1, 1998 |
| Seattle, WA | CHATHEN CONSULTING LLC | 0005716580577371 | Professional and technical services | Aug 16, 2004 |
| Seattle, WA | CHATLIO LLC | 0005884430595310 | Professional and technical services | Jan 1, 2006 |
| Seattle, WA | CHATSUBO CHATSUBONET LLC | 0005903870597450 | Professional and technical services | Jun 23, 2006 |
| Seattle, WA | CHAUHAN HEALTHCARE CONSULTING LLC | 0007868600699282 | Professional and technical services | Aug 12, 2015 |
| Seattle, WA | CHCS CONSULTING LLC | 0005452910549201 | Professional and technical services | Jan 1, 2001 |
| Seattle, WA | CHEAPASS GAMES CRAB FRAGMENT LLC | 0007942480706967 | Professional and technical services | Jan 1, 2016 |
| Seattle, WA | CHEIRON INC | 0007559830666989 | Professional and technical services | Jan 1, 2013 |
| Medford, NY | CHEMBIO DIAGNOSTIC SYSTEMS INC | 0008263780740490 | Professional and technical services | Jul 19, 2018 |
| Seattle, WA | CHERA AMLAG CONSULTING CHERA AMLAG CONSULTING LLC | 0008762790793001 | Professional and technical services | Apr 1, 2024 |
| Seattle, WA | CHERIN LAW FIRM CHERIN LAW FIRM PLLC | 0008188350732538 | Professional and technical services | Jan 1, 2018 |
| Seattle, WA | CHERRY CREEK DOOR & WINDOW CO INC | 0001638030166049 | Professional and technical services | May 16, 1993 |
| Seattle, WA | CHERRY SPACE LLC | 0007388500648895 | Professional and technical services | Jul 13, 2011 |
| Parsippany, NJ | CHERRYROAD TECHNOLOGIES INC | 0005910310598123 | Professional and technical services | Aug 1, 2006 |
| Woodinville, WA | CHERYL DALSANDERS ENTERPRISES | 0001508930152923 | Professional and technical services | Jun 1, 1992 |
| Seattle, WA | CHEUNG & ASSOCIATES | 0005673580572774 | Professional and technical services | Jan 1, 2004 |
| Seattle, WA | CHEYETTE & ASSOCIATES INC | 0007772950689309 | Professional and technical services | Jan 1, 2015 |
| Seattle, WA | CHI K PHOTOGRAPHY CHI K PHOTOGRAPHY LLC | 0008525850768056 | Professional and technical services | Feb 25, 2021 |
| Seattle, WA | CHI SUSTAINABILITY CONSULTING CHI SUSTAINABILITY CONSULTING LLC | 0008377790752399 | Professional and technical services | Jun 6, 2019 |
| Seattle, WA | CHI-HUNG LEE CPA PLLC | 0008791560796062 | Professional and technical services | Jul 1, 2024 |
| Seattle, WA | CHICKADEE TECH CHICKADEE TECH LLC | 0007933650706053 | Professional and technical services | Apr 1, 2016 |
| Seattle, WA | CHILL LABS LLC | 0008597820775618 | Professional and technical services | Jan 31, 2022 |
| Seattle, WA | CHIMERA CREATIVE PARTNERS | 0008363390750905 | Professional and technical services | Jun 1, 2019 |
| Spokane, WA | CHIMERA LLC | 0008883130805703 | Professional and technical services | Oct 21, 2025 |
| Seattle, WA | CHIN LEY RECHE ASSOCIATES INC | 0005315980796197 | Professional and technical services | Jan 1, 2024 |
| Seattle, WA | CHIN LEY RECHE ASSOCS INC CHIN LEY RECHE ASSOCIATES INC | 0005315980534479 | Professional and technical services | Nov 12, 1999 |
| Seattle, WA | CHIN-LEY RECHE ASSOCIATES, INC CHIN-LEY RECHE ASSOCIATES | 0008775590794352 | Professional and technical services | Jan 1, 2024 |
| Seattle, WA | CHINA OCEAN INSTITUTE CHINA OCEAN INSTITUTE LLC | 0008186500732344 | Professional and technical services | Jan 3, 2018 |
| Tumwater, WA | CHINESE NEW MEDIA LLC | 0008152480728775 | Professional and technical services | Sep 25, 2017 |
| Seattle, WA | CHIPSTACK INC | 0008732410789786 | Professional and technical services | Jun 21, 2023 |
| Seattle, WA | CHIRPYLIFE LLC | 0008884730805883 | Professional and technical services | Dec 25, 2025 |
| Seattle, WA | CHLOE CLARKE ART OF PAPER STEPHANIE S CLARKE LLC | 0007611540775134 | Professional and technical services | Feb 17, 2022 |
| Seattle, WA | CHLOE COLLYER CHLOE COLLYER PHOTOGRAPHY LLC | 0008085890721887 | Professional and technical services | Jul 1, 2014 |
| Seattle, WA | CHOCKSTONE CONSULTING CHOCKSTONE CONSULTING LLC | 0008751530791828 | Professional and technical services | Jun 13, 2023 |
| Seattle, WA | CHOI CAPITAL LAW PLLC | 0007638430675295 | Professional and technical services | Jun 1, 2012 |
| Seattle, WA | CHOQUETTE LAW GROUP PS | 0005525270556937 | Professional and technical services | Mar 22, 2002 |
| Seattle, WA | CHRIS BACHMAN CONSULTING LLC | 0008801600797135 | Professional and technical services | Dec 4, 2024 |
| Des Moines, WA | CHRIS KAKU KAKU206 LLC | 0008530760768585 | Professional and technical services | Oct 23, 2020 |
| Seattle, WA | CHRIS WILSON BIOMEDICAL R&D CONSULTING LLC | 0008034930716605 | Professional and technical services | Jan 23, 2017 |
| Snoqualmie, WA | CHRISTENSEN ARCHITECTS LLC | 0008015020714506 | Professional and technical services | Dec 5, 2016 |
| Seattle, WA | CHRISTENSEN O'CONNOR ET AL PLLC | 0000096270013252 | Professional and technical services | Jul 1, 1973 |
| Seattle, WA | CHRISTIANSON & ASSOCIATES PS | 0005648830570091 | Professional and technical services | Sep 1, 2003 |
| Seattle, WA | CHRISTIE GROVE INTERIORS CGID LLC | 0008300070744279 | Professional and technical services | Oct 1, 2018 |
| Seattle, WA | CHRISTINA CHANG EQUITY CONSULTING LLC | 0008281660742350 | Professional and technical services | Jul 1, 2018 |
| Bainbridge Island, WA | CHRISTINA HULET CONSULTING LLC | 0007532230664061 | Professional and technical services | Jan 1, 2013 |
| Seattle, WA | CHRISTINA MALLET PHOTOGRAPHY CHRISTINA MALLET PHOTOGRAPHY LLC | 0007088780616774 | Professional and technical services | Jan 1, 2007 |
| Seattle, WA | CHRISTINA MERKELBACH DESIGN LLC | 0008900900807704 | Professional and technical services | Jan 1, 2025 |
| Seattle, WA | CHRISTINE STOFFELS CONSULTING SERVICES PLLC | 0008454920760568 | Professional and technical services | Oct 24, 2019 |
| Seattle, WA | CHRISTOPHER JONES ARCHITECTS CHRISTOPHER JONES ARCHITECTS PLLC | 0008033370716444 | Professional and technical services | Jan 19, 2017 |
| Seattle, WA | CHRISTOPHER SHAW PE DESIGN AND CREATIVE PLLC | 0008214070735282 | Professional and technical services | Jan 1, 2018 |
| Seattle, WA | CHRISTOPHER WHITE INC | 0005481740552244 | Professional and technical services | Jun 1, 2001 |
| Seattle, WA | CHRISTOPHERS LAMP INC | 0005851160591686 | Professional and technical services | Jan 1, 2006 |
| Seattle, WA | CHRISTY YADEN INTERIOR DESIGN LLC | 0008320200746377 | Professional and technical services | Jul 1, 2018 |
| Seattle, WA | CHROMATIC CLOUD CONSULTING LLC | 0008583610774134 | Professional and technical services | Oct 26, 2021 |
| Seattle, WA | CHRONUS LLC | 0008781300794956 | Professional and technical services | Oct 1, 2022 |
| Seattle, WA | CHRYSOPIC SOFTWARE LLC | 0008732810789827 | Professional and technical services | Jan 16, 2024 |
| Seattle, WA | CHU LEGAL PLLC | 0008453130760377 | Professional and technical services | Jan 1, 2020 |
| Seattle, WA | CHUCK JOHNSON ARCHITECT PLLC | 0007947870707532 | Professional and technical services | Jan 1, 2016 |
| Bellevue, WA | CHUDGAR ENGINEERING COMPANY | 0005913420598442 | Professional and technical services | May 15, 2006 |
| Bellevue, WA | CHUDGAR ENGINEERING COMPANY INC | 0008706560787022 | Professional and technical services | Aug 25, 2023 |
| Seattle, WA | CHUGACH TECHNICAL SOLUTIONS LLC | 0008545240770095 | Professional and technical services | Jun 1, 2021 |
| Seattle, WA | CHUNG MALHAS & MANTEL PLLC | 0007503430661024 | Professional and technical services | Jun 11, 2012 |
| Kenmore, WA | CIANI & HATCH ENGINEERING PLLC | 0008765420793281 | Professional and technical services | Jul 1, 2023 |
| Seattle, WA | CICCARELLI PHOTOGRAPHY CICCARELLI PHOTOGRAPHY LLC | 0007707520682490 | Professional and technical services | Jan 1, 2013 |
| Seattle, WA | CICONIA ADVISING CICONIA ADVISING LLC | 0008732790789824 | Professional and technical services | Jan 1, 2024 |
| Seattle, WA | CIMARRON TECHNOLOGIES LLC | 0008308630745170 | Professional and technical services | Jun 2, 2016 |
| Seattle, WA | CINDY APPLE PHOTOGRAPHY INC | 0008785340795386 | Professional and technical services | Aug 26, 2024 |
| Seattle, WA | CIO GUIDANCE INC | 0007913980704016 | Professional and technical services | Jan 1, 2016 |
| Tumwater, WA | CIRCANA LLC | 0008294760743721 | Professional and technical services | Oct 1, 2018 |
| Seattle, WA | CIRCLE SYSTEMS INC | 0005455020549428 | Professional and technical services | Sep 4, 1992 |
| Seattle, WA | CIRCULAR SPRING CIRCULAR BY DESIGN LLC | 0008743730790960 | Professional and technical services | Mar 1, 2024 |
| Seattle, WA | CIRCULATE HEALTH CIRCULATE HEALTH INC | 0008826880799818 | Professional and technical services | Nov 3, 2024 |
| Seattle, WA | CIRRO BIO INC | 0008809000797930 | Professional and technical services | Jan 9, 2025 |
| Spokane Valley, WA | CIRRUS DESIGN INDUSTRIES INC | 0008874500804773 | Professional and technical services | Nov 5, 2025 |
| Seattle, WA | CIRRUS LAW PLLC | 0008491460764441 | Professional and technical services | Sep 13, 2019 |
| Glendale, CA | CITADEL ENVIRONMENTAL SERVICES INC | 0008822790799389 | Professional and technical services | Feb 24, 2025 |
| Seattle, WA | CITIES DIGITAL INC | 0007736450685566 | Professional and technical services | Sep 1, 2014 |
| Seattle, WA | CITIZEN DESIGN COLLABORATIVE CITIZEN DESIGN COLLABORATIVE LLC | 0007693510681022 | Professional and technical services | Jan 1, 2014 |
| Seattle, WA | CITIZENBRAIN CITIZEN BRAIN LLC | 0007443180654708 | Professional and technical services | Jun 12, 2010 |
| Seattle, WA | CITY CAT MOBILE VET LLC | 0007545430665451 | Professional and technical services | Jan 1, 2013 |
| Seattle, WA | CITY SOUP PRODUCTIONS CITY SOUP PRODUCTIONS LLC | 0007107960618793 | Professional and technical services | Jul 21, 2008 |
| Washington, DC | CITYFI CITYFI LLC | 0008617800777688 | Professional and technical services | Jun 1, 2022 |
| Seattle, WA | CIVIC FORGE LLC | 0008875960804919 | Professional and technical services | Jan 1, 2025 |
| New York, NY | CIVIC GROUP INC | 0008952600813113 | Professional and technical services | Sep 30, 2026 |
| Manhattan, KS | CIVICPLUS CIVICPLUS LLC | 0008645900780659 | Professional and technical services | Nov 1, 2022 |
| Seattle, WA | CIVIL ENGINEERING SOLUTIONS 1 INC | 0007753120687277 | Professional and technical services | Jul 1, 2014 |
| Seattle, WA | CIVIL RIGHTS JUSTICE CENTER CIVIL RIGHTS JUSTICE CENTER PLLC | 0007819540694175 | Professional and technical services | Apr 6, 2015 |
| Seattle, WA | CIVIL SURVIVAL LLC | 0005781960584335 | Professional and technical services | Jan 1, 2004 |
| Seattle, WA | CIVILIZATION DUMB EYES LLC | 0007404430650567 | Professional and technical services | Jan 1, 2011 |
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.