What they do:
Real-time generative AI
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HQ: Seattle, WA, United States
Top Startups in Seattle
This list has 95 startups and was last updated on Oct 15, 2026. 17 of them are hiring right now. Largest teams: Heap, Stoke Space, and Helion Energy. Latest round: LevelTen Energy raised $2M (Oct 8, 2026).
95 startupsPage 2 of 3
What they do:
The AIOps Agent for ML Teams
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HQ: Seattle, WA, United States
What they do:
AI operating system for mega-scale satellite networks.
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HQ: Seattle, WA, United States
What they do:
Event extraction for Medical Researchers
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HQ: Seattle, WA, United States
What they do:
Sigma Genetics is a biotechnology company that is building…
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HQ: Seattle, WA, United States
What they do:
Building the first sensor enabled marketplace for repeat purchases
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HQ: Seattle, WA, United States
What they do:
Cloud Native SIEM (alternative to Splunk/Elastic)
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HQ: Seattle, WA, United States
What they do:
Building your AI coworkers for any team, workflow, or industry.
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HQ: Seattle, WA, United States
What they do:
Helping software developers find teams that share their values.
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HQ: Seattle, WA, United States
What they do:
AI for public records request fulfillment
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HQ: Seattle, WA, United States
What they do:
AI automated prior-auths for private medical practices
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HQ: Seattle, WA, United States
What they do:
Analytics to improve how teams work and collaborate
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HQ: Seattle, WA, United States
YC W18Early stage
What they do:
24/7 emergency maintenance department for property managers and…
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HQ: Seattle, WA, United States
What they do:
Home medical equipment, prescribed online and delivered.
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HQ: Seattle, WA, United States
YC S21Early stage
Heap
Acquired
What they do:
Captures user interactions with no code to generate analytics.
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HQ: Seattle, WA, United States
Quick facts:
HQ: Seattle, WA, United States
Incorporated: 2022
Funding:
$80M · Equity · Feb 2026
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HQ: Seattle, WA, United States
Incorporated: 2023
Funding:
$65M · Equity · Jun 2026
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HQ: Seattle, WA, United States
Incorporated: 2024
Funding:
$46.7M · Equity · Mar 2026
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HQ: Seattle, WA, United States
Incorporated: 2025
Funding:
$36.3M · Equity · Jun 2026
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HQ: Seattle, WA, United States
Incorporated: 2021
Funding:
$26.9M · Equity · Apr 2026
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HQ: Seattle, WA, United States
Incorporated: 2025
Funding:
$24.8M · Equity · Jun 2026
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HQ: Seattle, WA, United States
Funding:
$20M · Equity + debt · May 2026
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HQ: Seattle, WA, United States
Funding:
$12M · Equity · Feb 2026
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HQ: Seattle, WA, United States
Incorporated: 2023
Funding:
$4.8M · Equity · Mar 2026
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HQ: Seattle, WA, United States
Incorporated: 2023
Funding:
$3.4M · Equity · Apr 2026
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HQ: Seattle, WA, United States
Incorporated: 2022
Funding:
$3.15M · Equity · Jun 2026
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HQ: Seattle, WA, United States
Funding:
$2.38M · Equity · May 2026
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HQ: Seattle, WA, United States
Incorporated: 2022
Funding:
$2.3M · Equity · May 2026
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HQ: Seattle, WA, United States
Funding:
$2M · Equity · Oct 2026
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HQ: Seattle, WA, United States
Incorporated: 2021
Funding:
$1.38M · Equity · Jun 2026
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HQ: Seattle, WA, United States
Funding:
$1M · SAFE · Mar 2026
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HQ: Seattle, WA, United States
Incorporated: 2025
Funding:
$300K · Options · Oct 2026
Shelf Engine
Acquired
What they do:
Transforms how grocery stores buy highly perishable foods.
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HQ: Seattle, WA, United States
Promoted.ai
Acquired
What they do:
Dramatically better search and ads for marketplaces
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HQ: Seattle, WA, United States
TextPayMe
Acquired
What they do:
Founded in 2005, TextPayMe is an SMS payment service that lets you send money to other people using cell phone text messaging. TextPayMe lets you send money…
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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