highlight.io
Acquired
What they do:
The open source, fullstack monitoring platform: stop guessing why…
Quick facts:
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 3 of 3
Shift Labs
Acquired
What they do:
Makers of simple, affordable medical devices. Our award-winning…
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
Valor Water Analytics
Acquired
What they do:
Valor Water Analytics delivers a SaaS platform to utilities to detect…
Quick facts:
HQ: Seattle, WA, United States
OpenPipe
Acquired
What they do:
Turn expensive prompts into cheap fine-tuned models
Quick facts:
HQ: Seattle, WA, United States
Soundry AI
Acquired
What they do:
Remix any song into any style
Quick facts:
HQ: Seattle, WA, United States
Booktrope
Shut down
What they do:
Booktrope provides a software platform that makes it easy for…
Quick facts:
HQ: Seattle, WA, United States
Spiral Genetics
Shut down
What they do:
Large Scale Genomic Data Mining Software
Quick facts:
HQ: Seattle, WA, United States
Parade
Shut down
What they do:
Launch your company without hiring a designer
Quick facts:
HQ: Seattle, WA, United States
LunaSec
Shut down
What they do:
An Open Source dependency security tool that is smarter than the rest
Quick facts:
HQ: Seattle, WA, United States
The Buttermilk Company
Shut down
What they do:
Instant, fresh ethnic food that actually taste homemade. We're…
Quick facts:
HQ: Seattle, WA, United States
Nimbus
Shut down
What they do:
Nimbus reduces Datadog costs by more than 60% without Manual Effort
Quick facts:
HQ: Seattle, WA, United States
Habit Labs
Shut down
What they do:
Friends motivate one another: I'll do x if you do y.
Quick facts:
HQ: Seattle, WA, United States
Jamglue
Shut down
What they do:
Jamglue is an online community allowing users to listen or mix music from a library of user-contributed music.
Quick facts:
HQ: Seattle, WA, United States
Poppy
Shut down
What they do:
Poppy makes it easy for parents to find high quality childcare with…
Quick facts:
HQ: Seattle, WA, United States
Dropleaf
Shut down
What they do:
Subscription service for all you can play indie PC games.
Quick facts:
HQ: Seattle, WA, United States
Uberduck
Shut down
What they do:
Fast, professional content creation with AI audio, image, and video.
Quick facts:
HQ: Seattle, WA, United States
Cakework
Shut down
What they do:
API that adds cloud hosting to any developer platform
Quick facts:
HQ: Seattle, WA, United States
Preloop
Shut down
What they do:
Translate your experimental scripts into production ML services
Quick facts:
HQ: Seattle, WA, United States
Kyten Technologies
Shut down
What they do:
Custom Aerospace-Grade Battery Packs
Quick facts:
HQ: Seattle, WA, United States
Datamode
Shut down
What they do:
Datamode (datamode.com) is a tool for engineers to instantly diagnose…
Quick facts:
HQ: Seattle, WA, United States
Alma
Shut down
What they do:
Gamified mobile banking app where people can win $1M every Wednesday
Quick facts:
HQ: Seattle, WA, United States