Quick facts:
HQ: Seattle, WA, United States
Incorporated: 2025
Funding:
$36.3M · Equity · Jun 2026
Top B2B Software Startups in Washington State
This list has 82 startups and was last updated on Oct 15, 2026. 11 of them are hiring right now. Biggest hubs: Seattle (61), Bellevue (5), and Issaquah (4). Largest teams: Heap, Mason, and Aurelian. Latest round: Porter Score raised $180K (Oct 14, 2026).
82 startupsPage 2 of 3
Quick facts:
HQ: Seattle, WA, United States
Incorporated: 2025
Funding:
$24.8M · Equity · Jun 2026
Quick facts:
HQ: Bellevue, WA, United States
Incorporated: 2026
Funding:
$21.6M · Equity · Jun 2026
Quick facts:
HQ: Seattle, WA, United States
Funding:
$20M · Equity + debt · May 2026
Quick facts:
HQ: Kirkland, WA, United States
Funding:
$17.9M · Equity · Apr 2026
Quick facts:
HQ: Seattle, WA, United States
Funding:
$12M · Equity · Feb 2026
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HQ: Redmond, WA, United States
Funding:
$11.5M · Equity · Jan 2026
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HQ: Bellevue, WA, United States
Incorporated: 2025
Funding:
$8.5M · Equity · Jan 2026
Quick facts:
HQ: Bellevue, WA, United States
Funding:
$8M · Equity · May 2026
Quick facts:
HQ: Issaquah, WA, United States
Funding:
$7M · Equity · Jun 2026
Quick facts:
HQ: Bothell, WA, United States
Incorporated: 2024
Funding:
$4.81M · Equity · Mar 2026
Quick facts:
HQ: Seattle, WA, United States
Incorporated: 2023
Funding:
$4.8M · Equity · Mar 2026
Quick facts:
HQ: Seattle, WA, United States
Incorporated: 2023
Funding:
$3.4M · Equity · Apr 2026
Quick facts:
HQ: Seattle, WA, United States
Incorporated: 2022
Funding:
$3.15M · Equity · Jun 2026
Quick facts:
HQ: Bellevue, WA, United States
Incorporated: 2022
Funding:
$3.13M · Debt · Jan 2026
Quick facts:
HQ: Bellingham, WA, United States
Incorporated: 2025
Funding:
$3M · Equity · Jan 2026
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HQ: Bothell, WA, United States
Incorporated: 2022
Funding:
$2.69M · SAFE · Jan 2026
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HQ: Yakima, WA, United States
Funding:
$2.3M · SAFE · Mar 2026
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HQ: Seattle, WA, United States
Funding:
$2M · Equity · Oct 2026
Quick facts:
HQ: Issaquah, WA, United States
Incorporated: 2024
Funding:
$1.5M · Debt · Jun 2026
Quick facts:
HQ: Seattle, WA, United States
Incorporated: 2021
Funding:
$1.38M · Equity · Jun 2026
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HQ: Coupeville, WA, United States
Incorporated: 2025
Funding:
$1.24M · SAFE · Mar 2026
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HQ: Bothell, WA, United States
Incorporated: 2021
Funding:
$1.02M · Debt · Feb 2026
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HQ: Everett, WA, United States
Incorporated: 2022
Funding:
$1M · Debt · Oct 2026
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HQ: Bellevue, WA, United States
Funding:
$1M · Debt · May 2026
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HQ: Seattle, WA, United States
Funding:
$1M · SAFE · Mar 2026
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HQ: Issaquah, WA, United States
Incorporated: 2025
Funding:
$1M · Equity · Jan 2026
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HQ: Kirkland, WA, United States
Incorporated: 2025
Funding:
$1M · Options · Jan 2026
Quick facts:
HQ: Seattle, WA, United States
Incorporated: 2025
Funding:
$300K · Options · Oct 2026
Quick facts:
HQ: Woodinville, WA, United States
Incorporated: 2026
Funding:
$180K · Equity · Oct 2026
Shelf Engine
Acquired
What they do:
Transforms how grocery stores buy highly perishable foods.
Quick facts:
HQ: Seattle, WA, United States
Promoted.ai
Acquired
What they do:
Dramatically better search and ads for marketplaces
Quick facts:
HQ: Seattle, WA, United States
Datarank
Acquired
What they do:
Making sense of social data. (Acquired by SimplyMeasured.)
Quick facts:
HQ: Seattle, WA, United States
highlight.io
Acquired
What they do:
The open source, fullstack monitoring platform: stop guessing why…
Quick facts:
HQ: Seattle, WA, United States
Worksphere
Acquired
What they do:
Manage your hybrid workplace
Quick facts:
HQ: Seattle, WA, United States
Tapzilla
Acquired
What they do:
Woot for iOS apps.
Quick facts:
HQ: Seattle, WA, United States