Top Series A Companies
The 175 top-ranked Series A startups hiring now on SHORTList, scored on funding, hiring, and engineering momentum. Updated regularly.
175 companies
- 01AAfterqueryTop 30
AI foundation models & expert datasets
AI/ML · Series A · San Francisco, CA
36Open roles - 02PPrime IntellectTop 30
AI platform for training and deploying models
AI/ML · Series A · San Francisco, United States
31Open roles - 03TTownTop 75
The unusually helpful AI assistant.
AI/ML · Series A · San Francisco, United States
19Open roles - 04HHiggsfieldTop 75
Higgsfield AI is the fastest-scaling generative AI company in history, hitting $500M in annual revenue run rate, 25M+ users worldwide, 6M+ generations per day, and powering 390 of Fortune 500 brands.
AI/ML · Series A · San Francisco, California, USA
83Open roles - 05EEndurance EnergyTop 75
Gigawatt-scale baseload power from the seafloor
Climate/Energy · Series A · Seattle, Washington, USA
16Open roles - 06RReactor
We're a team of industry veterans building the missing layer for world models. We've co-founded Luma AI, shipped the Apple Vision Pro, and scaled real-time video and inference infrastructure at Meta, Replicate, Microsoft, and Adobe. We're backed by Tier 1 investors and angels across AI, gaming, infrastructure, and robotics.
AI/ML · Series A · San Francisco, California, United States
5Open roles - 07RRoadrunner
AI-native CPQ software solutions
Consumer/Retail · Series A · San Francisco, United States
9Open roles - 08DDeepSeek
Chinese AI lab
AI/ML · Series A · Hangzhou, China
5Open roles - 09SStuut
AI-driven accounts receivable automation
AI/ML · Series A · New York, NY, United States
21Open roles - 10IInertia Enterprises
Commercial fusion energy solutions
Climate/Energy · Series A · Livermore, California, USA
6Open roles - 11PPoetic
Turn your business into software. AI that learns your rules and follows them every time.
AI/ML · Series A · San Francisco, United States
6Open roles - 12WWispr Flow
AI-powered voice dictation tools
AI/ML · Series A · San Francisco, California, USA
30Open roles - 13GGreptile
San Francisco, CA-based AI code reviewer
AI/ML · Series A · San Francisco, California, USA
- 14HHark
Advanced personal intelligence systems
AI/ML · Series A · San Jose, California, United States
46Open roles - 15EEdra
AI-driven workflow automation startup
AI/ML · Series A · New York City, USA
20Open roles - 16CConsole
AI-native IT Service Management solutions
AI/ML · Series A · San Francisco, California, United States
- 17NNudge
Non-invasive brain interface technology
AI/ML · Series A · San Francisco, California, United States
13Open roles - 18CChipAgents
AI-driven platform for semiconductor design
AI/ML · Series A · Santa Clara, California, USA
15Open roles - 19LLassie
You’re a doctor. Not a machine. Let Lassie do your admin
AI/ML · Series A · San Francisco, California, USA
5Open roles - 20AAuctor
One System, Every Implementation. Run every software implementation with precision, control, and repeatable success. From first call to go-live and beyond, all in one place.
AI/ML · Series A · New York, NY, United States
10Open roles - 21AAntithesis
Deterministic simulation testing for software
DevTools/Cloud · Series A · Tysons, Virginia, United States
23Open roles - 22DDualEntry
AI-native ERP software for enterprises
AI/ML · Series A · New York, NY
- 23RRox
AI agents for sales productivity
AI/ML · Series A · San Francisco, California, United States
31Open roles - 24BBlitzy
AI-driven autonomous software development platform
AI/ML · Series A · Cambridge, Massachusetts, United States
32Open roles - 25CCorridor
AI-driven security for software development
DevTools/Cloud · Series A · San Francisco, California, USA
12Open roles