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119 professional services employers in Washington have substantive broker records on their Form 5500 filings. Median disclosed broker cost in this group runs about $13 per participant per month. Open any company to see its broker of record, disclosed compensation, and benefit lines — or step back to all Washington employers.
| Company | Industry | Plan type | Participants | Latest filing | Broker comp |
|---|---|---|---|---|---|
| MEDICAL MANAGEMENT INTERNATIONAL, INC. | Professional Services | Self-funded | 19K | 2024 | Disclosed |
| MILLIMAN, INC. | Professional Services | Self-funded | 3.5K | 2025 | Disclosed |
| SEAGEN INC. | Professional Services | Self-funded | 2.9K | 2023 | Disclosed |
| MCKINSTRY CO., LLC | Professional Services | Self-funded | 1.5K | 2025 | Disclosed |
| KPFF INC | Professional Services | Self-funded | 1.4K | 2024 | Disclosed |
| COLUMBIA HOSPITALITY, INC. | Professional Services | Self-funded | 1.4K | 2025 | Disclosed |
| MOLECULAR EPIDEMIOLOGY, INC. | Professional Services | Self-funded | 1.2K | 2025 | Disclosed |
| ALLEN INSTITUTE | Professional Services | Self-funded | 917 | 2025 | Disclosed |
| COFFMAN ENGINEERS INCORPORATED | Professional Services | Self-funded | 836 | 2025 | Disclosed |
| PARAMETRIX, INC. | Professional Services | Self-funded | 803 | 2025 | Disclosed |
| GETTY IMAGES, INC. | Professional Services | Self-funded | 764 | 2024 | Disclosed |
| PEOPLE, PETS & VETS | Professional Services | Fully insured | 720 | 2022 | Disclosed |
| PPV OF WASHINGTON, PLLC | Professional Services | Fully insured | 720 | 2021 | Disclosed |
| PORCH.COM, INC. | Professional Services | Self-funded | 692 | 2025 | Disclosed |
| PACIFIC NORTHWEST CONSULTING ENGINEERS | Professional Services | Self-funded | 672 | 2025 | Disclosed |
| ADAPTIVE BIOTECHNOLOGIES CORPORATION | Professional Services | Self-funded | 626 | 2024 | Disclosed |
| ATS AUTOMATION, INC. | Professional Services | Self-funded | 588 | 2024 | Disclosed |
| AGC BIOLOGICS, INC. | Professional Services | Self-funded | 504 | 2025 | Disclosed |
| MG2 CORPORATION | Professional Services | Self-funded | 501 | 2024 | Disclosed |
| NBBJ LP | Professional Services | Self-funded | 489 | 2025 | Disclosed |
| ANVIL CORPORATION | Professional Services | Self-funded | 475 | 2024 | Disclosed |
| HELION ENERGY | Professional Services | Self-funded | 471 | 2025 | Disclosed |
| WELLHAVEN PET HEALTH, LLC | Professional Services | Fully insured | 468 | 2024 | Disclosed |
| ANCHOR QEA, INC. | Professional Services | Self-funded | 460 | 2025 | Disclosed |
| OLSON BROTHERS PRO-VAC, LLC | Professional Services | Self-funded | 444 | 2025 | Disclosed |
| OMNIDIAN, INC | Professional Services | Self-funded | 433 | 2025 | Disclosed |
| A PLACE FOR ROVER, INC. | Professional Services | Self-funded | 400 | 2025 | Disclosed |
| GEOENGINEERS, INC. | Professional Services | Self-funded | 400 | 2025 | Disclosed |
| ISPOT.TV | Professional Services | Self-funded | 349 | 2025 | Disclosed |
| BOARD OF TRUSTEES PUGET SOUND BENEFITS TRUST | Professional Services | Self-funded | 333 | 2024 | Disclosed |
| MILLENNIUM ADVISORS, INC. DBA LIVING CARE LIFESTYLES | Professional Services | Fully insured | 332 | 2024 | Disclosed |
| Q ANALYSTS, LLC | Professional Services | Self-funded | 326 | 2023 | Disclosed |
| KESTRA MEDICAL TECHNOLOGIES, INC. | Professional Services | Self-funded | 310 | 2024 | Disclosed |
| OLSON KUNDIG, INC. | Professional Services | Self-funded | 303 | 2025 | Disclosed |
| SIGMA DESIGN, INC. | Professional Services | Self-funded | 300 | 2025 | Disclosed |
| CONCENTRIC ADVISORS, INC. | Professional Services | Self-funded | 295 | 2025 | Disclosed |
| THE GENEVA FOUNDATION | Professional Services | Self-funded | 286 | 2025 | Disclosed |
| D'AMATO CONVERSANO, INC., P.C. | Professional Services | Self-funded | 283 | 2025 | Disclosed |
| FRESH CONSULTING, INC. | Professional Services | Self-funded | 270 | 2024 | Disclosed |
| SYSTIMA TECHNOLOGIES, INC. | Professional Services | Fully insured | 262 | 2023 | Disclosed |
| GROUP14 TECHNOLOGIES INC. | Professional Services | Self-funded | 254 | 2025 | Disclosed |
| PIVOTAL ENTERPRISES, LLC | Professional Services | Fully insured | 251 | 2024 | Disclosed |
| CONCENTRIC ADVISORS | Professional Services | Self-funded | 246 | 2023 | Disclosed |
| BARGHAUSEN CONSULTING ENGINEERS, INC. | Professional Services | Self-funded | 233 | 2024 | Disclosed |
| THE ALLEN INSTITUTE FOR ARTIFICIAL INTELLIGENCE | Professional Services | Self-funded | 221 | 2025 | Disclosed |
| MITHUN, INC. | Professional Services | Self-funded | 221 | 2025 | Disclosed |
| PROTINGENT, INC. | Professional Services | Self-funded | 214 | 2024 | Disclosed |
| BOOSTER FUELS, INC. | Professional Services | Self-funded | 213 | 2025 | Disclosed |
| DELVE HOLDINGS | Professional Services | Self-funded | 211 | 2025 | Disclosed |
| MACKAY & SPOSITO LLC | Professional Services | Self-funded | 204 | 2025 | Disclosed |
| SANA BIOTECHNOLOGY, INC. | Professional Services | Self-funded | 199 | 2024 | Disclosed |
| SAGE BIONETWORKS | Professional Services | Fully insured | 194 | 2025 | Disclosed |
| NAC, INC. | Professional Services | Self-funded | 191 | 2025 | Disclosed |
| THE ALLEN INSTITUTE FOR ARTIFICIAL INTELLIGENCE | Professional Services | Self-funded | 183 | 2022 | Disclosed |
| SEEQ CORPORATION | Professional Services | Self-funded | 181 | 2025 | Disclosed |
| IMMUNOME, INC. | Professional Services | Self-funded | 177 | 2025 | Disclosed |
| MEDIA MOSAIC, INC. | Professional Services | Self-funded | 169 | 2025 | Disclosed |
| CRITIGEN LLC | Professional Services | Self-funded | 168 | 2022 | Disclosed |
| WONGDOODY HOLDING COMPANY, INC | Professional Services | Fully insured | 168 | 2022 | Disclosed |
| BIOLIFE SOLUTIONS | Professional Services | Fully insured | 167 | 2024 | Disclosed |
| STEMCELL TECHNOLOGIES, INC. | Professional Services | Fully insured | 164 | 2024 | Disclosed |
| WALTER DORWIN TEAGUE ASSOCIATES INC | Professional Services | Self-funded | 162 | 2025 | Disclosed |
| WONGDOODY INC. | Professional Services | Self-funded | 158 | 2025 | Disclosed |
| MAGNUSSON KLEMENCIC ASSOCIATES, INC. | Professional Services | Self-funded | 156 | 2025 | Disclosed |
| COWI NORTH AMERICA, INC. | Professional Services | Self-funded | 148 | 2025 | Disclosed |
| RH2 ENGINEERING INC | Professional Services | Fully insured | 147 | 2024 | Disclosed |
| ZAP ENERGY, INC. | Professional Services | Self-funded | 145 | 2025 | Disclosed |
| ZBETA CONSULTING INC. | Professional Services | Self-funded | 142 | 2025 | Disclosed |
| PACIFIC PROGRAM MANAGEMENT GROUP, LLC | Professional Services | Self-funded | 141 | 2024 | Disclosed |
| AHBL, INC. | Professional Services | Self-funded | 139 | 2025 | Disclosed |
| LMN ARCHITECTS | Professional Services | Self-funded | 138 | 2025 | Disclosed |
| VETERINARY SERVICES OF WA, PC | Professional Services | Fully insured | 136 | 2023 | Disclosed |
| POWER MOBILE LIFE LLC | Professional Services | Fully insured | 135 | 2023 | Disclosed |
| MAUL FOSTER & ALONGI | Professional Services | Self-funded | 132 | 2025 | Disclosed |
| SEATTLE DRUG & NARCOTIC CENTER | Professional Services | Self-funded | 130 | 2025 | Disclosed |
| KESTREL ENGINEERING GROUP, INC. | Professional Services | Self-funded | 130 | 2024 | Disclosed |
| GRAY & OSBORNE, INC. | Professional Services | Fully insured | 129 | 2024 | Disclosed |
| INVENTPRISE, INC. | Professional Services | Fully insured | 128 | 2025 | Disclosed |
| COLEHOUR+COHEN | Professional Services | Fully insured | 123 | 2025 | Disclosed |
| AIS OPERATING CO., INC. | Professional Services | Self-funded | 123 | 2023 | Disclosed |
| ABSCI CORPORATION | Professional Services | Self-funded | 123 | 2025 | Disclosed |
| OAC SERVICES, INC. | Professional Services | Self-funded | 123 | 2024 | Disclosed |
| MASTERWORKS, INC. | Professional Services | Fully insured | 123 | 2024 | Disclosed |
| INSTITUTE FOR SYSTEMS BIOLOGY | Professional Services | Self-funded | 123 | 2025 | Disclosed |
| RDH BUILDING SCIENCE, INC. | Professional Services | Self-funded | 122 | 2025 | Disclosed |
| DORIAN STUDIO INC. | Professional Services | Self-funded | 117 | 2024 | Disclosed |
| LANDAU ASSOCIATES, INC. | Professional Services | Self-funded | 113 | 2025 | Disclosed |
| INTEGRUS ARCHITECTURE, P.S. | Professional Services | Self-funded | 112 | 2025 | Disclosed |
| SYNAPSE PRODUCT DEVELOPMENT, INC. | Professional Services | Self-funded | 108 | 2022 | Disclosed |
| TEN GUN DESIGN | Professional Services | Self-funded | 105 | 2025 | Disclosed |
| THE NEIDERS COMPANY | Professional Services | Self-funded | 105 | 2024 | Disclosed |
| NOISE & VIBRATIONS TECHNOLOGIES, LLC | Professional Services | Self-funded | 104 | 2023 | Disclosed |
| GLOSTEN, INC. | Professional Services | Fully insured | 101 | 2025 | Disclosed |
| BUSINESS INTERIORS NW | Professional Services | Self-funded | 101 | 2025 | Disclosed |
| I-5 DESIGN BUILD, INC. | Professional Services | Fully insured | 101 | 2024 | Disclosed |
| KPG, P.S. | Professional Services | Self-funded | 97 | 2021 | Disclosed |
| GGLO, LLC | Professional Services | Self-funded | 95 | 2023 | Disclosed |
| ADURO, INC. | Professional Services | Self-funded | 94 | 2022 | Disclosed |
| CAPSTONE SOLUTIONS, INC. | Professional Services | Fully insured | 94 | 2023 | Disclosed |
| SEATTLE INSTITUTE FOR BIOMEDICAL AND CLINICAL RESEARCH | Professional Services | Self-funded | 94 | 2025 | Disclosed |
Sourced from Form 5500 filings as submitted to the U.S. Department of Labor. Dataset refreshed October 7, 2026. Plan years are labeled by the year they begin, so a July 2024 – June 2025 plan year is 2024. Filings may lag 12–18 months behind the current plan year.