Professional and technical services — page 27 of 33
9,796 companies, type “Professional and technical services”.
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| Place | Company | City account number | Industry | License since |
|---|---|---|---|---|
| Seattle, WA | SEATTLE INSTITUTE FOR BIOMEDICAL AND CLINICAL RSCH SEATTLE INSTITUTE FOR BIOMEDICAL & CLINICAL RSCH | 0001852810642984 | Professional and technical services | Dec 15, 2010 |
| Seattle, WA | SEATTLE LAND USE CO SEATTLE LAND USE COMPANY LLC | 0008212640735137 | Professional and technical services | Jan 1, 2018 |
| Seatac, WA | SEATTLE LANGUAGE KEY,LINGOUNLOCKED IMPACT LANGUAGE SOLUTIONS LLC | 0008737200790283 | Professional and technical services | Feb 1, 2024 |
| Mountlake Terrace, WA | SEATTLE LAW OFFICE PLLC | 0007940430706755 | Professional and technical services | Apr 6, 2016 |
| Seattle, WA | SEATTLE LIAISON OFFICE C G C JAPAN CO LTD | 0005548140559374 | Professional and technical services | Jan 1, 2002 |
| Seattle, WA | SEATTLE MICRO SEATTLE MICRO INC | 0005203550522091 | Professional and technical services | Nov 1, 1998 |
| Seattle, WA | SEATTLE PHOTO ORGANIZING LLC | 0007827650695018 | Professional and technical services | Jul 1, 2014 |
| Seattle, WA | SEATTLE POWDER COAT MEADOWBROOK MANUFACTURING LLC | 0007087190616598 | Professional and technical services | Jul 1, 2008 |
| Seattle, WA | SEATTLE PPC AGENCY ERKER ENTERPRISES LLC | 0008519590767414 | Professional and technical services | Feb 1, 2021 |
| Seattle, WA | SEATTLE PREMIUM HEADSHOTS INSTAPIX LLC | 0008612630777160 | Professional and technical services | Sep 14, 2019 |
| Seattle, WA | SEATTLE RENDER LLC | 0008957330813611 | Professional and technical services | Oct 1, 2026 |
| Seattle, WA | SEATTLE REPUTATION SEATTLE REPUTATION LLC | 0008885800806008 | Professional and technical services | Jan 1, 2026 |
| Seattle, WA | SEATTLE RESEARCH PARTNERS SEATTLE RESEARCH PARTNERS INC | 0005969970604434 | Professional and technical services | Jun 10, 2006 |
| Seattle, WA | SEATTLE SAVER SEATTLE SAVER LLC | 0008866180803891 | Professional and technical services | Sep 27, 2025 |
| Seattle, WA | SEATTLE SCRIPTORIUM SEATTLE SCRIPTORIUM LLC | 0007734840685400 | Professional and technical services | Sep 4, 2014 |
| Bothell, WA | SEATTLE SOFTWARE DEVELOPERS DOT IO LLC | 0008945220812320 | Professional and technical services | Sep 25, 2025 |
| Seattle, WA | SEATTLE SOLSTICE LLC | 0005227780524741 | Professional and technical services | Feb 11, 1999 |
| Seattle, WA | SEATTLE STRUCTURAL SEATTLE STRUCTURAL PS INC | 0005598050564758 | Professional and technical services | Jan 1, 2003 |
| Seattle, WA | SEATTLE SWANK SEATTLE SWANK INC | 0008349680749451 | Professional and technical services | Jun 15, 2007 |
| Seattle, WA | SEATTLE TAX GROUP LLC | 0008493370764639 | Professional and technical services | Feb 1, 2020 |
| Seattle, WA | SEATTLE TECHNOLOGY GROUP INC | 0001922680194900 | Professional and technical services | Aug 25, 1993 |
| Seattle, WA | SEATTLE TRANSIT LIVE SALT RIVER LABS LLC | 0008929450810670 | Professional and technical services | Jul 1, 2026 |
| Seattle, WA | SEATTLE TRUCK LAW PLLC | 0008496550764978 | Professional and technical services | Jan 1, 2020 |
| Seattle, WA | SEATTLE WAREHOUSING CO | 0008034340716544 | Professional and technical services | Sep 1, 2016 |
| Seattle, WA | SEATTLE WEB GROUP INC | 0005868140593534 | Professional and technical services | Feb 13, 2006 |
| Bellevue, WA | SEATTLE WINDOW CLEANERS NORDIC ROCK CAPITAL LLC | 0008528420768342 | Professional and technical services | Apr 1, 2021 |
| Seattle, WA | SEATTLE WINE LAB & CONSULTING SEATTLE WINE LAB & CONSULTING LLC | 0007951830707942 | Professional and technical services | May 11, 2016 |
| Seattle, WA | SEAVANTAGE SEAVANTAGE INC | 0008605190776372 | Professional and technical services | May 1, 2022 |
| Seattle, WA | SEAVIEW ENVIRONMENTAL COMPANY | 0008882180805599 | Professional and technical services | Jan 1, 2025 |
| Seattle, WA | SEAVUE SEAVUE MARKETING LLC | 0008297000743949 | Professional and technical services | Jul 1, 2018 |
| Seattle, WA | SEAWEST ADJUSTMENT CLAIMS LLC | 0008905520808181 | Professional and technical services | Mar 1, 2026 |
| Post Falls, ID | SECA INTERNATIONAL RAILWAY CONSULTANTS ID LLC | 0008884200805821 | Professional and technical services | Jan 1, 2026 |
| Seattle, WA | SECOND & UNION GARAGE INC | 0001592450161415 | Professional and technical services | Jun 1, 1993 |
| Seattle, WA | SECOND CHANCE GOODS SECOND CHANCE GOODS LLC | 0008689610785206 | Professional and technical services | Jun 27, 2023 |
| Seattle, WA | SECRET SAUCE CREATIVE LLC | 0007327560642295 | Professional and technical services | Aug 31, 2010 |
| Seattle, WA | SECRETKEYS LLC | 0008497600765088 | Professional and technical services | Nov 14, 2019 |
| Seattle, WA | SECRETLY NICE SECRETLY NICE LLC | 0008746930791299 | Professional and technical services | Jun 23, 2023 |
| Seattle, WA | SECURE LEGACY LAW GROUP EMPIRICAL LEGAL SERVICES LLP | 0008481850763420 | Professional and technical services | May 17, 2019 |
| Seattle, WA | SECURE LEGAL LEGACY PLLC | 0008776830794493 | Professional and technical services | Mar 26, 2023 |
| Seattle, WA | SECURE MY CYBER INC | 0008636430779650 | Professional and technical services | Sep 9, 2022 |
| Seattle, WA | SECURITY INNOVATION INC | 0007188590627555 | Professional and technical services | Nov 1, 2003 |
| Seattle, WA | SEDERA LG LLC | 0007604280671689 | Professional and technical services | Jul 1, 2013 |
| Seattle, WA | SEE SPOT RUN SEE SPOT RUN SEATTLE LLC | 0007003010607650 | Professional and technical services | Aug 1, 2007 |
| Seattle, WA | SEED IP LAW GROUP SEED INTELLECTUAL PROPERTY LAW GRP PLLC | 0005339450537061 | Professional and technical services | Jan 1, 2000 |
| Seattle, WA | SEEK ARCHITECTURE LLC | 0007667230678266 | Professional and technical services | Nov 1, 2013 |
| Seattle, WA | SEEKING CERTAINTY INC | 0008743290790916 | Professional and technical services | Jan 1, 2023 |
| Seattle, WA | SEEN BY THE SOUND SEAFOAM COTTAGE INDUSTRIES LLC | 0008776470794456 | Professional and technical services | Jul 16, 2024 |
| Seattle, WA | SEENA STRUCTURAL ENGINEERS LLC | 0005854700592078 | Professional and technical services | Feb 15, 2006 |
| Orlando, FL | SEER PRODUCTIONS LLC | 0008746900791296 | Professional and technical services | Apr 1, 2024 |
| Seattle, WA | SEESAW SERVICES LLC | 0008233620737346 | Professional and technical services | Mar 29, 2018 |
| Seattle, WA | SEHER CONSULTING LLC | 0008505270765910 | Professional and technical services | Oct 6, 2020 |
| Seattle, WA | SEITEL SYSTEMS LLC SYSTEMS SEITEL LLC | 0007042930611931 | Professional and technical services | Jan 1, 2008 |
| Tacoma, WA | SEL ENGINEERING SERVICES INC | 0008771600793934 | Professional and technical services | Jan 1, 2024 |
| Seattle, WA | SELAH EVENT CONSULTING INC | 0008478200763041 | Professional and technical services | Mar 17, 2020 |
| Seattle, WA | SELANDER OBRIEN PLLC | 0005816100587966 | Professional and technical services | Apr 1, 2004 |
| Seatac, WA | SELAROMIA LLC | 0008771190793888 | Professional and technical services | Jul 10, 2024 |
| Seattle, WA | SELECTRON TECHNOLOGIES, INC. | 0008661090782248 | Professional and technical services | Jan 16, 2023 |
| Seattle, WA | SELF PLUS FINANCIAL SERVICES SELF PLUS INC | 0008024730715522 | Professional and technical services | Jan 1, 2017 |
| Los Angeles, CA | SELMAN LEICHENGER EDSON HSU NEWMAN AND MOORE LLP SELMAN LEICHENGER EDSON HSU NEWMAN & MOORE LLP | 0008682650784473 | Professional and technical services | Jan 1, 2023 |
| Bellevue, WA | SEMERON CORP | 0005731780579000 | Professional and technical services | Oct 1, 2001 |
| Issaquah, WA | SEMIGOOD DESIGN LLC | 0007079220615752 | Professional and technical services | Oct 1, 2007 |
| Seattle, WA | SEMKE STUDIO LLC | 0008345300748992 | Professional and technical services | Feb 4, 2019 |
| Seattle, WA | SEMPERVIVUS LLC | 0005757890581739 | Professional and technical services | Jan 1, 2005 |
| Seattle, WA | SENDINBLUE INC. SENDINBLUE INC | 0007811990693386 | Professional and technical services | Mar 1, 2015 |
| Seattle, WA | SENECA LLC | 0007924210705076 | Professional and technical services | Feb 1, 2016 |
| Seattle, WA | SENIORS HOSPITALITY CONSULTANTS SENIORS HOSPITALITY CONSULTANTS LLC | 0008688550785098 | Professional and technical services | Mar 15, 2023 |
| Los Angeles, CA | SENOVVA INC | 0008536750769216 | Professional and technical services | Apr 23, 2021 |
| San Ramon, CA | SENSIBA LLP | 0008569070772591 | Professional and technical services | Aug 30, 2021 |
| Seattle, WA | SENTI LAW PLLC | 0008552100770800 | Professional and technical services | Aug 1, 2021 |
| Seattle, WA | SENTINEL FAMILY LAW PLLC | 0008926550810366 | Professional and technical services | May 1, 2026 |
| Seattle, WA | SENTISE CONSULTING LLC | 0008475730762774 | Professional and technical services | Oct 1, 2019 |
| Seattle, WA | SENTRIS NETWORK LLC | 0005317870534694 | Professional and technical services | Dec 1, 1999 |
| Seattle, WA | SENTRO COLLECTIVE LLC | 0008893960806934 | Professional and technical services | Apr 1, 2026 |
| San Francisco, CA | SENTRYIO FUNCTIONAL SOFTWARE INC | 0008575800773280 | Professional and technical services | Jun 1, 2021 |
| Spokane, WA | SENZA FILI SENZA FILI CONSULTING LLC | 0008118340725265 | Professional and technical services | Jun 23, 2017 |
| Seattle, WA | SEOLA WORKS ARCHITECTURE AND DESIGN JAY BILLS ARCHITECTURE PLLC | 0008852510802483 | Professional and technical services | Aug 4, 2025 |
| Seattle, WA | SEOLA WORKS GARDEN AND DESIGN PATRICK RICH GARDEN DESIGN LLC | 0008855350802774 | Professional and technical services | Aug 1, 2025 |
| Portland, OR | SERA ARCHITECTS INC | 0001878600190431 | Professional and technical services | Jul 1, 1996 |
| Seattle, WA | SERALUNGA CONSULTING LLC | 0008878080805169 | Professional and technical services | Nov 18, 2025 |
| Seattle, WA | SERENITY FINANCIAL SERVICES LLC SERENITY FINANCIAL CONSULTANT LLC | 0008809340797964 | Professional and technical services | Sep 5, 2024 |
| Seattle, WA | SERINA DESIGN SERINA DESIGN LLC | 0008495110764832 | Professional and technical services | Aug 7, 2020 |
| Seattle, WA | SERSHON SYSTEMS SERSHON SYSTEMS LLC | 0008821520799262 | Professional and technical services | Apr 1, 2024 |
| Seattle, WA | SERVER ARCHITECTS LLC | 0005622580567322 | Professional and technical services | Apr 1, 2003 |
| Beaverton, OR | SERVERLOGIC CORP | 0001874270189994 | Professional and technical services | Jan 1, 1996 |
| Seattle, WA | SERVETHUS LLC | 0007961200708921 | Professional and technical services | Jun 9, 2016 |
| Seattle, WA | SERVEY & COMPANY INC | 0005775500583623 | Professional and technical services | Feb 4, 2005 |
| American Fork, UT | SESAME COMMUNICATIONS SESAME COMMUNICATIONS INC | 0007277720637023 | Professional and technical services | Jan 15, 2010 |
| Boston, MA | SESSION M INC | 0008059550719144 | Professional and technical services | Dec 31, 2016 |
| Seattle, WA | SESUTHERLAND PLLC | 0008818310798904 | Professional and technical services | Feb 15, 2025 |
| Seattle, WA | SEVA WORKSHOP SEVA WORKSHOP LLC | 0008660120782144 | Professional and technical services | Oct 28, 2022 |
| Seattle, WA | SEVE7N DESIGN SEVE7N DESIGN & ILLUSTRATION INC | 0005215460523402 | Professional and technical services | Jan 1, 1999 |
| Bothell, WA | SEVEN GRIDDLE MEDIA SEVEN GRIDDLE MEDIA LLC | 0007776260689658 | Professional and technical services | Aug 20, 2014 |
| Seattle, WA | SEVEN NORTH PARTNERS SEVEN NORTH PARTNERS LLC | 0008732800789825 | Professional and technical services | Jan 1, 2024 |
| Seattle, WA | SEVEN TWENTY ONE LLC | 0008485410763803 | Professional and technical services | May 11, 2020 |
| Seattle, WA | SEVERE CONSULTING SEVERE CONSULTING LLC | 0008763950793117 | Professional and technical services | May 1, 2024 |
| Seattle, WA | SEYFARTH SHAW LLP | 0008426690757507 | Professional and technical services | Nov 1, 2019 |
| Pinellas Park, FL | SFEEL USA INC | 0008526520768123 | Professional and technical services | Apr 1, 2021 |
| Seattle, WA | SGLMILLS BOOKKEEPING LLC | 0008360390750574 | Professional and technical services | Mar 14, 2019 |
| Seattle, WA | SH CREATIVE SAM HAYWARD CREATIVE LLC | 0008664540782603 | Professional and technical services | Jan 1, 2023 |
| Seattle, WA | SHADANDY SHADANDY LLC | 0007335560643206 | Professional and technical services | Jan 13, 2011 |
| Seattle, WA | SHAIMAN ENTERPRISES | 0007433200653635 | Professional and technical services | Jan 12, 2012 |
| Seattle, WA | SHAKUMANT SOFTWARE SHAKUMANT LLC | 0008114480724863 | Professional and technical services | Apr 12, 2017 |
| Shoreline, WA | SHAMROCK PARKING LLC- 0003 SHAMROCK PARKING LLC | 0007207370629546 | Professional and technical services | Sep 1, 2009 |
| Seattle, WA | SHAN M PHOTOGRAPHY LLC | 0008870990804408 | Professional and technical services | Oct 19, 2025 |
| Seattle, WA | SHANNON & WILSON INC | 0000038510005747 | Professional and technical services | Jan 1, 1987 |
| Seattle, WA | SHANTI BREZNAU CONSULTING LLC | 0008369020751485 | Professional and technical services | May 24, 2019 |
| Seattle, WA | SHANZE PARTNERS SHANZE PARTNERS LLC | 0008304810744774 | Professional and technical services | Oct 31, 2018 |
| Seattle, WA | SHAPE THERAPEUTICS INC | 0008312410745567 | Professional and technical services | Dec 1, 2018 |
| Seattle, WA | SHAPIRO LAW GROUP PS | 0007561570667180 | Professional and technical services | Mar 1, 2013 |
| Seattle, WA | SHARLENE'S ACCOUNTING SERVICES SEAAS LLC | 0007425760652790 | Professional and technical services | Apr 1, 2011 |
| Federal Way, WA | SHARMA SMITH & GRAY PC | 0008585680774353 | Professional and technical services | Jan 18, 2022 |
| Seattle, WA | SHARON BLACKFORD PLLC | 0007046340612286 | Professional and technical services | Jan 1, 2008 |
| Seattle, WA | SHARON ROBERTSON CPA ROBERTSON CONSULTING LLC | 0008376940752305 | Professional and technical services | Jan 1, 2017 |
| New York, NY | SHARP DECISIONS INC | 0007217550630608 | Professional and technical services | Oct 12, 2009 |
| Seattle, WA | SHARPER VIEW CONSULTING LLC | 0005900000597049 | Professional and technical services | Aug 1, 2006 |
| Seattle, WA | SHATZ LAW GROUP PLLC | 0007115450619581 | Professional and technical services | Apr 1, 2008 |
| Seattle, WA | SHAW AND SCOTT INC SHAW & SCOTT LLC | 0007063780614128 | Professional and technical services | Mar 31, 2007 |
| Seattle, WA | SHAW BOOKKEEPING & CONSULTING LLC | 0008206340734490 | Professional and technical services | Jan 1, 2018 |
| Vashon, WA | SHAY DESIGN LLC | 0007552520666210 | Professional and technical services | Mar 6, 2013 |
| Lacey, WA | SHEA CARR & JEWELL, INC. SHEA CARR & JEWELL INC | 0007781090690171 | Professional and technical services | Jul 1, 2014 |
| Seattle, WA | SHEA CPA INC | 0007659860677490 | Professional and technical services | Jan 15, 2014 |
| Seattle, WA | SHEAN GEOSPATIAL LLC | 0008952960813150 | Professional and technical services | Oct 2, 2025 |
| Seattle, WA | SHEASARAH I LLC | 0007118160619860 | Professional and technical services | Aug 20, 2008 |
| Seattle, WA | SHEASARAH II LLC | 0007118150619859 | Professional and technical services | Aug 20, 2008 |
| Seattle, WA | SHEED LAW OFFICES PLLC | 0008337880748217 | Professional and technical services | Jan 1, 2019 |
| Mukilteo, WA | SHEENKO ENGINEERING LLC | 0008674010783575 | Professional and technical services | Jan 1, 2023 |
| Portland, OR | SHEERID INC | 0008718030788223 | Professional and technical services | Mar 1, 2014 |
| Katy, TX | SHEFFIELD SCIENTIFIC LLC | 0007707570682495 | Professional and technical services | Jun 23, 2014 |
| Kent, WA | SHEILA MAYDEN INTERIORS LLC | 0008308510745158 | Professional and technical services | Jan 1, 2019 |
| Seattle, WA | SHEILA R LOZAN CPA PLLC | 0007251850634223 | Professional and technical services | Dec 4, 2009 |
| Seattle, WA | SHELLY CROCKER LLC | 0007597080670940 | Professional and technical services | Sep 1, 2013 |
| Seattle, WA | SHERI OLSON ARCHITECTURE PLLC | 0007122600620315 | Professional and technical services | Oct 1, 2008 |
| Seattle, WA | SHERI VERNON COACHING LLC | 0008846990801912 | Professional and technical services | Jan 1, 2025 |
| Kent, WA | SHERLOCK HOME INSPECTOR LLC | 0008815850798644 | Professional and technical services | Feb 19, 2025 |
| Wichita Falls, TX | SHERMCO SYSTEMS INTEGRATION LLC | 0008873230804643 | Professional and technical services | Nov 1, 2025 |
| Seattle, WA | SHIATSU SENNIN SO LLC | 0005753460581269 | Professional and technical services | Nov 1, 2004 |
| Seattle, WA | SHIELS OBLETZ JOHNSEN INC | 0005334400536521 | Professional and technical services | Jan 1, 2000 |
| Seattle, WA | SHIFT RENEWABLES SHIFT RENEWABLES LLC | 0008510350766431 | Professional and technical services | Aug 3, 2020 |
| Seattle, WA | SHIFTBOARD INC | 0007126330620698 | Professional and technical services | Jan 1, 2007 |
| Seattle, WA | SHIFTED LEADERSHIP SHIFTED LEADERSHIP LLC | 0008888890806355 | Professional and technical services | Jan 6, 2026 |
| Seattle, WA | SHIFTING POWER SHIFTING POWER LLC | 0008884540805857 | Professional and technical services | Jan 1, 2026 |
| Seattle, WA | SHIH LEGAL SHIH LEGAL PLLC | 0008784180795269 | Professional and technical services | Sep 5, 2024 |
| Federal Way, WA | SHIMER ENTERPRISES SHIMER ENTERPRISES LLC | 0008814820798531 | Professional and technical services | Mar 1, 2025 |
| Seattle, WA | SHIMOMURA LLC | 0008856000802843 | Professional and technical services | Sep 1, 2025 |
| Seattle, WA | SHINGIJUTSU USA CORP | 0007778000689837 | Professional and technical services | Nov 12, 2014 |
| Seattle, WA | SHISHIDO GOLDSWORTHY PLLC | 0008862240803487 | Professional and technical services | Sep 1, 2025 |
| Seattle, WA | SHIVA INDUSTRIAL PROCESSING PHYTOCAPITAL LLC | 0007866120699027 | Professional and technical services | Aug 1, 2015 |
| Mill Creek, WA | SHIVELIGHT SHIVELIGHT COMPANY | 0008588020774594 | Professional and technical services | Jan 1, 2021 |
| Seattle, WA | SHKS ARCHITECTS PS INC SNYDER HARTUNG KANE STRAUSS ARCHITECTS PS INC | 0005052210505799 | Professional and technical services | May 1, 1997 |
| Seattle, WA | SHOEGNOME ARCHITECTS SHOEGNOME LLC | 0008586560774445 | Professional and technical services | May 1, 2016 |
| Kansas City, MO | SHOOK HARDY & BACON LLP | 0007609580672259 | Professional and technical services | Aug 15, 2013 |
| Issaquah, WA | SHOP CANELA VINTAGE THE ORO VINTAGE LLC | 0008633310779323 | Professional and technical services | Jul 1, 2022 |
| Seattle, WA | SHORT COURSE STRATEGIES LLC | 0008835080800691 | Professional and technical services | Apr 17, 2025 |
| Seattle, WA | SHOSTACK & ASSOCIATES SHOSTACK & ASSOCIATES INC | 0008316310745971 | Professional and technical services | Dec 1, 2018 |
| Seattle, WA | SHOUT SHOUT LLC | 0007926040705261 | Professional and technical services | Feb 15, 2016 |
| Seattle, WA | SHRED + THREAD SHRED + THREAD LLC | 0008937050811467 | Professional and technical services | Mar 20, 2026 |
| Seattle, WA | SHUGART WASSE WICKWIRE LLC SHUGART ARCHITECTURE LLC | 0007352940645088 | Professional and technical services | Jan 1, 2011 |
| Seattle, WA | SHUJAA CONSULTING SHUJAA CONSULTING LLC | 0008485750763838 | Professional and technical services | May 1, 2019 |
| Seattle, WA | SHUKSAN SOFTWARE LLC | 0007120580620110 | Professional and technical services | Aug 30, 2008 |
| Seattle, WA | SHULER ARCHITECTURE INC SHULER ARCHITECTURE INC PS | 0008533680768882 | Professional and technical services | Jan 1, 2020 |
| Ferndale, WA | SHUTTER SPARK STUDIO SHUTTER SPARK STUDIO LLC | 0008647730780855 | Professional and technical services | Nov 19, 2022 |
| Seattle, WA | SHW ARCHITECTURE CO | 0007194460628175 | Professional and technical services | Jul 11, 2009 |
| Seattle, WA | SID LEE USA INC | 0008481590763394 | Professional and technical services | Jan 1, 2020 |
| Seattle, WA | SIDE X SIDE ARCHITECTS PLLC | 0007429660653242 | Professional and technical services | Jan 1, 2012 |
| Seattle, WA | SIDECAR COLLECTIVE SIDECAR COLLECTIVE LLC | 0007804530692618 | Professional and technical services | Feb 17, 2015 |
| Laguna Hills, CA | SIDEPATH INC | 0008863670803631 | Professional and technical services | Sep 15, 2025 |
| Seattle, WA | SIDER & BYERS ASSOCIATES INC | 0001573540159491 | Professional and technical services | Apr 1, 1993 |
| Seattle, WA | SIDLEY AUSTIN LLP SIDLEY AUSTIN DC LLP | 0007538570664741 | Professional and technical services | Jan 1, 2013 |
| Seattle, WA | SIEGENTHALER ENGINEERING & SURVEYING PLLC | 0008564610772120 | Professional and technical services | Oct 1, 2021 |
| Orlando, FL | SIEMENS CORP | 0007202760629050 | Professional and technical services | Oct 1, 2009 |
| Seatac, WA | SIEMENS GOVERNMENT TECHNOLOGIES INC | 0007153950623734 | Professional and technical services | Jan 1, 2009 |
| Plano, TX | SIEMENS INDUSTRY SOFTWARE INC | 0005847090591259 | Professional and technical services | May 28, 2004 |
| Seattle, WA | SIENNA & SAGE INTERIOR DESIGN LLC | 0008331220747531 | Professional and technical services | Jan 1, 2017 |
| Alpharetta, GA | SIERRA CEDAR LLC | 0007813350693539 | Professional and technical services | Jul 1, 2014 |
| San Francisco, CA | SIFT SCIENCE INC | 0008401190754852 | Professional and technical services | Jul 24, 2018 |
| Seattle, WA | SIGHTLINE INSTITUTE | 0001721820174568 | Professional and technical services | Nov 1, 1993 |
| Seattle, WA | SIGILX SIGILX LLC | 0005966560604073 | Professional and technical services | Apr 12, 2007 |
| Burlington, MA | SIGMA ALDRICH INC | 0005010970501296 | Professional and technical services | Jan 1, 1997 |
| Redmond, WA | SIGN ASSOCIATES INC | 0000576460066349 | Professional and technical services | Jan 1, 1986 |
| Seattle, WA | SIGNALIQ CONSULTANCY SIGNALIQ LLC | 0008938020811564 | Professional and technical services | Jun 26, 2026 |
| Seattle, WA | SIGNATURE ENVIRONMENTS SIGNATURE ENVIRONMENTS INC | 0001902630192860 | Professional and technical services | Sep 3, 1996 |
| Seattle, WA | SIGNETIC LLC | 0008003830713322 | Professional and technical services | Oct 1, 2016 |
| Seattle, WA | SILLAWA LLC | 0007905900703180 | Professional and technical services | Oct 1, 2015 |
| Seattle, WA | SILLIKER + PARTNERS SILLIKER & PARTNERS | 0007164060624874 | Professional and technical services | Mar 23, 2009 |
| Everett, WA | SILUE SOLUTIONS LLC | 0008617680777676 | Professional and technical services | Jul 1, 2022 |
| Seattle, WA | SILVER CORD STRATEGIES SILVER CORD STRATEGIES LLC | 0008886630806100 | Professional and technical services | Mar 1, 2025 |
| Seattle, WA | SILVER GIS SILVER GIS LLC | 0008755190792201 | Professional and technical services | May 10, 2024 |
| Seattle, WA | SILVERLINE CONSULTING INC | 0007243950633402 | Professional and technical services | Jan 1, 2009 |
| Seattle, WA | SILVERSTEIN & ASSOCIATES INC | 0005542660558786 | Professional and technical services | Feb 1, 2002 |
| Burien, WA | SIMMONDS ASSOCIATES LLC | 0007216960630549 | Professional and technical services | Jul 1, 2009 |
| Seattle, WA | SIMMONDS PARTNERS LLC | 0008081870721471 | Professional and technical services | May 1, 2017 |
| Seattle, WA | SIMMY KUMAR SIMMY KUMAR LLC | 0008635990779604 | Professional and technical services | Sep 1, 2022 |
| Tempe, AZ | SIMPLAR SOURCING SOLUTIONS LLC | 0008922500809941 | Professional and technical services | May 14, 2026 |
| Seattle, WA | SIMPLE MACHINE INC | 0005436620547471 | Professional and technical services | Apr 1, 2001 |
| Seattle, WA | SIMPLEXITY PRODUCT DEVELOPMENT SIMPLEXITY PRODUCT DEVELOPMENT INC | 0008103510723744 | Professional and technical services | Jul 1, 2017 |
| Seattle, WA | SIMPLICITY HOME ENERGY LLC | 0007465090657003 | Professional and technical services | Feb 15, 2012 |
| Waltham, MA | SIMPSON GUMPERTZ & HEGER INC | 0005114570512401 | Professional and technical services | Mar 24, 1997 |
| Seattle, WA | SINCRO LLC | 0008494340764742 | Professional and technical services | May 1, 2020 |
| Seattle, WA | SINGLEFILE TECHNOLOGIES INC | 0008357620750280 | Professional and technical services | Apr 3, 2019 |
| Seattle, WA | SINGLETRAC SINGLETRAC INC | 0007979090710758 | Professional and technical services | Aug 15, 2016 |
| Seattle, WA | SINGLETTO INC | 0008506820766070 | Professional and technical services | Aug 27, 2020 |
| Seattle, WA | SIP NORTHWEST MAGAZINE SIP VENTURES LLC | 0007587170669901 | Professional and technical services | Jan 1, 2013 |
| Annapolis, MD | SIPPIO CORP | 0008841300801327 | Professional and technical services | Jan 1, 2025 |
| Woodinville, WA | SIR FIX A LOT LLC | 0007041280611750 | Professional and technical services | Jan 1, 2008 |
| Seattle, WA | SIRIANNI YOUTZ SPOONEMORE HAMBURGER PLLC | 0008337630748192 | Professional and technical services | Jan 17, 2019 |
| New York, NY | SIRIUS SATELLITE RADIO INC | 0005516510556007 | Professional and technical services | Jan 1, 2001 |
| Seattle, WA | SIRQUL SIRQUL INC | 0007548050665734 | Professional and technical services | Feb 1, 2013 |
| Lehi, UT | SIRSI CORP | 0005566690561337 | Professional and technical services | Aug 31, 2002 |
| Snohomish, WA | SIS ADMIN LLC SISTERS ADMINISTRATION SERVICES LLC | 0005768060582814 | Professional and technical services | Apr 1, 2000 |
| Seattle, WA | SISKA LAW GROUP PLLC | 0008360140750549 | Professional and technical services | Apr 25, 2019 |
| Seattle, WA | SISKOWET ENTERPRISES LLC | 0008237230737719 | Professional and technical services | May 15, 2018 |
| Seattle, WA | SISTER MEKANISM INC | 0007939210706624 | Professional and technical services | Feb 15, 2016 |
| Seattle, WA | SISTER SAGE SISTER SAGE LLC | 0005972240604669 | Professional and technical services | Apr 16, 2003 |
| Edmonds, WA | SISTERS INTERIOR REDESIGN SISTERS INTERIOR REDESIGN LLC | 0008315490745886 | Professional and technical services | Jan 1, 2018 |
| Seattle, WA | SISYPHUS INC | 0005311970534052 | Professional and technical services | Oct 11, 1999 |
| Las Vegas, NV | SITARA SYSTEMS SITARA SYSTEMS INC | 0008888560806320 | Professional and technical services | Jan 1, 2026 |
| Sammamish, WA | SITE SURVEYING SITE SURVEYING INC | 0008053720718543 | Professional and technical services | Apr 1, 2014 |
| Seattle, WA | SITE WORKSHOP LLC | 0005406290544247 | Professional and technical services | Jan 1, 2001 |
| Woodinville, WA | SITELINE CONTRACTOR SURVEYS LLC | 0008321540746517 | Professional and technical services | Jan 15, 2019 |
| Tacoma, WA | SITTS & HILL ENGINEERS INC | 0008280650742244 | Professional and technical services | Sep 1, 2018 |
| Seattle, WA | SIX DEGREES CAPITAL CORP | 0007196110628345 | Professional and technical services | Nov 1, 2008 |
| Evanston, IL | SIX DEGREES INC | 0007501760660854 | Professional and technical services | Jan 1, 2012 |
| Seattle, WA | SIX IMPOSSIBLE THINGS LLC | 0008430300757884 | Professional and technical services | Oct 8, 2019 |
| Seattle, WA | SIX WALLS INC | 0008928630810588 | Professional and technical services | Jun 1, 2026 |
| Bothell, WA | SIXENSE, INC SIXENSE INC | 0007447520655171 | Professional and technical services | Mar 1, 2012 |
| Seattle, WA | SIXH CONSULTING SIXH CONSULTING LLC | 0007097410617689 | Professional and technical services | Nov 1, 2007 |
| Seattle, WA | SJ COACHING LLC | 0008823530799464 | Professional and technical services | Jan 1, 2025 |
| Seattle, WA | SJG TALENT LLC | 0008770030793771 | Professional and technical services | Jul 2, 2024 |
| Seattle, WA | SKB ARCHITECTS INC | 0008943000812085 | Professional and technical services | Jul 1, 2026 |
| Seattle, WA | SKB CONSULTING SERVICES SKB CONSULTING SERVICES LLC | 0008744360791025 | Professional and technical services | Oct 22, 2022 |
| Seattle, WA | SKELTON CONSULTING LLC | 0008477800762998 | Professional and technical services | Nov 25, 2019 |
| Seattle, WA | SKIDMORE AI SKIDMORE ARCHITECTURE + INTERIORS PLLC | 0008814870798536 | Professional and technical services | Apr 1, 2025 |
| Lacey, WA | SKILLINGS INC | 0005205450522294 | Professional and technical services | Oct 26, 1998 |
| Seattle, WA | SKILLS ALLIANCE INC | 0008422740757094 | Professional and technical services | Mar 1, 2016 |
| Seattle, WA | SKIPSTONE SOD SPOT LLC | 0008313130745640 | Professional and technical services | Jan 4, 2018 |
| Seattle, WA | SKOLER BUILDING RESOURCES SKOLER BUILDING RESOURCES LLC | 0007473090657844 | Professional and technical services | Jan 1, 2012 |
| Kirkland, WA | SKW STRATEGIES LLC | 0008809850798017 | Professional and technical services | Jan 6, 2025 |
| Seattle, WA | SKYBLOCKS SKYBLOCKS TECHNOLOGIES LLC | 0008899130807516 | Professional and technical services | Jan 1, 2025 |
| Seattle, WA | SKYEWATER KJ STONE LLC | 0008822560799366 | Professional and technical services | Mar 18, 2025 |
| Seattle, WA | SKYKICK INC | 0007457890656255 | Professional and technical services | Apr 6, 2011 |
| Seattle, WA | SKYLIGHT CAPITAL INC | 0007398190649901 | Professional and technical services | Apr 8, 2011 |
| Seattle, WA | SKYLINE ADVISORY LLC | 0007988990711793 | Professional and technical services | Sep 6, 2016 |
| Seattle, WA | SKYSEAR LLC | 0008909010808538 | Professional and technical services | Mar 20, 2026 |
| Seattle, WA | SKYVECTOR.COM GO2GUYS.COM LLC | 0007395150649582 | Professional and technical services | Jul 1, 2011 |
| Seattle, WA | SLAVKA KUEHN LLC | 0008552740770864 | Professional and technical services | May 22, 2017 |
| Seattle, WA | SLAYTON TECHNICAL SERVICES LLC | 0007171480625721 | Professional and technical services | Jun 1, 2009 |
| Seattle, WA | SLCLG STREEPY LEMONIDIS CONSULTING & LAW GROUP PLLC | 0008796800796632 | Professional and technical services | Jun 17, 2024 |
| Seattle, WA | SLEEPY GORILLA LLC | 0008504570765827 | Professional and technical services | Oct 27, 2020 |
| Seattle, WA | SLIP THEORY STUDIOS INC | 0008891440806643 | Professional and technical services | Apr 12, 2025 |
| Seattle, WA | SLM SOFTWARE LLC | 0008881680805547 | Professional and technical services | May 8, 2025 |
| Seattle, WA | SLOAN RIVER MEDIA LLC | 0008922110809902 | Professional and technical services | Apr 6, 2026 |
| Seattle, WA | SLOW SNAPS LLC | 0008747730791386 | Professional and technical services | Mar 30, 2024 |
| Seattle, WA | SLOW UP LEADERSHIP LLC | 0008902100807828 | Professional and technical services | Feb 26, 2026 |
| Seattle, WA | SLYBOOTS SLYBOOTS LLC | 0007994970712411 | Professional and technical services | Aug 15, 2016 |
| Seattle, WA | SM WATTS CONSULTING SM WATTS CONSULTING LLC | 0008286980742912 | Professional and technical services | Sep 26, 2018 |
| Seattle, WA | SMALL COTTAGE NETWORKS, LLC ESTHER JANG LLC | 0008719700788413 | Professional and technical services | Jun 2, 2023 |
| Tacoma, WA | SMALL MOON DEVELOPMENT VADER LABS LLC | 0008447660759792 | Professional and technical services | Feb 1, 2019 |
| Seattle, WA | SMALLIDGE & COMPANY LLC | 0005745910580468 | Professional and technical services | Jul 1, 2004 |
| Seattle, WA | SMART CHICK MEDIA SMART CHICK MEDIA LLC | 0007062650614009 | Professional and technical services | Jan 1, 2008 |
| Issaquah, WA | SMART CITY TRAFFIC SMART CITY TRAFFIC PLLC | 0007961640708965 | Professional and technical services | Jul 11, 2016 |
| Newport Beach, CA | SMARTBUG OPERATING LLC | 0008736920790254 | Professional and technical services | Oct 1, 2023 |
| New York, NY | SMARTCONTRACT INC | 0008649150781004 | Professional and technical services | Dec 6, 2021 |
| Roanoke, TX | SMARTDRIVE SYSTEMS INC | 0008952310813081 | Professional and technical services | Mar 3, 2005 |
| Bellevue, WA | SMARTSHEET INC | 0008544280769998 | Professional and technical services | Jul 1, 2018 |
| Seattle, WA | SMASH CO GAMES SMASH CO GAMES LLC | 0007910480703656 | Professional and technical services | Aug 1, 2015 |
| Seattle, WA | SMASH THE BOX SMASH THE BOX LLC | 0008563520772004 | Professional and technical services | Apr 2, 2021 |
| Seattle, WA | SMAYDA ENVIRONMENTAL ASSOCS INC | 0005159100517390 | Professional and technical services | Jan 1, 1998 |
| Seattle, WA | SMECKO CONSULTING LLC | 0008602320776081 | Professional and technical services | Mar 21, 2022 |
| Fircrest, WA | SMITH & CARROLL SMITH & CARROLL CONSULTING LLC | 0008877810805142 | Professional and technical services | Nov 17, 2025 |
| Bainbridge Island, WA | SMITH & HENNESSEY PLLC | 0005349320538120 | Professional and technical services | Apr 1, 2000 |
| Seattle, WA | SMITH & LOWNEY PLLC | 0001862460188794 | Professional and technical services | Apr 19, 1996 |
| Seattle, WA | SMITH CURRIE OLES SMITH CURRIE OLES LLP | 0008716040788018 | Professional and technical services | Aug 1, 2023 |
| Seattle, WA | SMITH FREED & EBERHARD PC SMITH FREED EBERHARD PC | 0008750280791690 | Professional and technical services | Oct 1, 2010 |
| Seattle, WA | SMITH LUBKE STRUCTURAL DESIGN LLC | 0007515140662250 | Professional and technical services | Oct 17, 2012 |
| Seattle, WA | SMITHY STUDIO SMITHY STUDIO LLC | 0008915200809192 | Professional and technical services | May 1, 2026 |
| Seattle, WA | SMMA CANDELARIA INC | 0008442610759220 | Professional and technical services | Feb 1, 2019 |
| Spokane, WA | SMOL LAW PLLC | 0008008280713809 | Professional and technical services | Jan 1, 2017 |
| Seattle, WA | SMR ARCHITECTS PLLC | 0005011370501336 | Professional and technical services | Jan 1, 1997 |
| Seattle, WA | SMWEBER LAW LLC | 0007391000649152 | Professional and technical services | Jul 11, 2011 |
| Seattle, WA | SMYTH & MASON PLLC | 0005342960537433 | Professional and technical services | Nov 1, 1999 |
| Seattle, WA | SNAGGLETOOTH MARKETING SNAGGLETOOTH CONSULTING LLC | 0008848730802090 | Professional and technical services | Jul 1, 2025 |
| Seattle, WA | SNAP RAISE SNAP MOBILE INC | 0007872360699667 | Professional and technical services | Jan 1, 2015 |
| Seattle, WA | SNAPLINC CONSULTING LLC | 0008683070784515 | Professional and technical services | Mar 1, 2018 |
| Seattle, WA | SNAPS TECHNOLOGIES LIMITED | 0007027740610288 | Professional and technical services | Aug 28, 2007 |
| Seattle, WA | SNAPSOFT LLC | 0008886810806120 | Professional and technical services | Jan 3, 2024 |
| Seattle, WA | SNAPVINE INC | 0005944280601711 | Professional and technical services | Apr 21, 2006 |
| Seattle, WA | SNDJ GLOBAL CONSULTANCY INC | 0008826030799729 | Professional and technical services | Jan 1, 2025 |
| Seattle, WA | SNIP ITS HAIRCUTS FOR KIDS SSIU INVESTMENTS LLC | 0008403590755100 | Professional and technical services | Aug 24, 2019 |
| Seattle, WA | SNOCONE LLC | 0008344680748929 | Professional and technical services | Mar 5, 2018 |
| Seattle, WA | SNW ASSET MANAGEMENT LLC SEATTLE NORTHWEST ASSET MANAGEMENT LLC | 0007600510671305 | Professional and technical services | Sep 1, 2006 |
| Seattle, WA | SO MULTI SERVICES LLC | 0008567980772475 | Professional and technical services | Sep 8, 2021 |
| Seattle, WA | SOARING PEAKS CONSULTING LLC | 0008883450805737 | Professional and technical services | Dec 8, 2025 |
| Seattle, WA | SOBEK AI SOBEK AI INC | 0008883320805724 | Professional and technical services | Dec 17, 2025 |
| Seattle, WA | SOCIAL IMPACT STRATEGIES LLC | 0008464370761559 | Professional and technical services | Jan 22, 2020 |
| Seattle, WA | SOCIAL WEALTH BUILDERS SOCIAL WEALTH BUILDERS LLC | 0008884860805900 | Professional and technical services | Oct 1, 2025 |
| Seattle, WA | SOCIUS LAW GROUP PLLC | 0005721510577889 | Professional and technical services | Jun 22, 2004 |
| Bainbridge Island, WA | SODO CONSULTING LLC | 0007351000644885 | Professional and technical services | Jan 1, 2010 |
| Seattle, WA | SOFIA ERMOLENKO SOFIA ERMOLENKO LLC | 0008920190809709 | Professional and technical services | Jan 24, 2026 |
| Bellevue, WA | SOFTIFAI LLC | 0008738240790388 | Professional and technical services | Nov 27, 2023 |
| Seattle, WA | SOFTWARE INNOVATION LAB LLC | 0007953640708123 | Professional and technical services | May 31, 2016 |
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.