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Data Labeling 21 startups

"Data Labeling" Startups

Every active startup we index tagged "Data Labeling", sorted by score and momentum.

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Last updated
2026-09-02
Hiring right now 10% 2 of 21
Open roles 44
Most-hired discipline Engineering

About "Data Labeling" startups

21 tech startups tagged "Data Labeling" are currently indexed on techstartupslist.com. This page lists every active match, with logos, taglines, and direct links to each company's site — no paywalled middleman. Notable "Data Labeling" startups in the index include AfterQuery, Besimple AI, Cartpole, Centaur, and CoArena. Each profile surfaces team size, founding year, category, and any open roles their careers page is publicly scrapable for. These companies concentrate in AI / ML, Dev Tools, and Healthcare — the categories where this tag shows up most often in our scrape. Geographically, "Data Labeling" lean toward San Francisco, New York City, and Boston, with the rest spread across remote-first teams and other hubs. Y Combinator batches represented here: S26, Sp25, W22, and S25, among others. 10% of these companies are hiring right now (2 of 21) — a live signal from the jobs we scrape, not a static directory claim; 1 is currently flagged as trending on hiring momentum; the listing refreshes whenever the scrape runs so tag membership stays current as companies re-tag and new ones appear.

↑ Trending
AfterQuery
AfterQuery
Applied research lab curating data solutions for foundation model…
Artificial IntelligenceB2BData Labeling
Open Jobs 33
Team 30
Founded 2025
Besimple AI
Besimple AI
Voice data for AI
AIOpsArtificial IntelligenceData Labeling
Open Jobs
Team 6
Founded 2025
Cartpole
Cartpole
Building reinforcement learning environments
Artificial IntelligenceReinforcement LearningData Labeling
Open Jobs
Team 2
Founded 2025
Centaur
Centaur
We Create Superior Data By Making Annotation Competitive
Artificial IntelligenceData ScienceCrowdsourcing
Open Jobs
Team 45
Founded 2018
CoArena
CoArena
The biggest crowdsourced benchmark for Computer-Use
AIOpsArtificial IntelligenceMachine Learning
Open Jobs
Team 2
Founded 2026
Datoric
Datoric
Secure training data shaped by experimentation
Artificial IntelligenceData LabelingML
Open Jobs
Team 2
Founded 2025
Deasy Labs
Deasy Labs
Metadata for GenAI workflows
Artificial IntelligenceData LabelingBig Data
Open Jobs
Team 8
Founded 2023
Hub.xyz
Hub.xyz
Real-world training data for frontier AI labs and robotics.
Artificial IntelligenceRoboticsData Labeling
Open Jobs
Team 10
Founded 2026
Instance
Instance
Automated evals for robot policies
Artificial IntelligenceRoboticsData Labeling
Open Jobs
Team 2
Founded 2026
JumpWire
JumpWire
Dynamic access controls for all data and databases
SecurityData LabelingDatabases
Open Jobs
Team 2
Founded 2022
Lightly
Lightly
Help ML teams label the right data
Machine LearningData Labeling
Open Jobs
Team 5
Founded 2021
Liva AI
Liva AI
Audio & Video Data
MarketplaceB2BData Labeling
Open Jobs
Team 4
Founded 2025
Markov
Markov
Expert computer-use data for frontier AI labs
Reinforcement LearningData LabelingData Engineering
Open Jobs
Team 2
Founded 2026
Panels
Panels
Audio Data for AI Labs
Artificial IntelligenceB2BData Labeling
Open Jobs
Team 1
Founded 2025
Sciloop
Sciloop
Expert STEM reasoning data for frontier AI labs.
MarketplaceData LabelingBig Data
Open Jobs
Team 6
Founded 2025
Sepal AI
Sepal AI
Data Development for Advanced AI
AIOpsReinforcement LearningData Labeling
Open Jobs
Team 15
Founded 2024
Shofo
Shofo
The World's Largest Video Library
Artificial IntelligenceData LabelingInfrastructure
Open Jobs
Team 4
Founded 2026
Sieve
Sieve
Video datasets for frontier AI
Developer ToolsVideoData Labeling
Open Jobs 11
Team 18
Founded 2022
Spade
Spade
Spade is the data and AI platform for modern finance.
Artificial IntelligenceFintechMachine Learning
Open Jobs
Team 30
Founded 2022
Sureform
Sureform
Real-world data for multimodal and embodied AI
Artificial IntelligenceMarketplaceRobotics
Open Jobs
Team 2
Founded 2025
Unbound
Unbound
Use AI tools without fear of data leakage
Artificial IntelligencePrivacyCybersecurity
Open Jobs
Team 7
Founded 2024
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1 of 4 similar companies is hiring right now · most common: Engineering

Frequently asked questions

How many "Data Labeling" startups are indexed?

Our index currently tracks 21 active tech startups tagged "Data Labeling". New entries appear automatically as scrapers discover them; shutdowns are flagged inactive and drop off this listing.

What are the top "Data Labeling" startups?

Among the "Data Labeling" startups indexed here: AfterQuery, Besimple AI, and Cartpole, plus 18 more on this page. Sorting prioritizes curated score, sponsored placements, and trending signals.

Are "Data Labeling" startups hiring right now?

2 of the 21 companies on this page currently have open roles in our jobs index. Open roles link straight to each company's own careers page.

How often is the "Data Labeling" startup list updated?

Automated scrapers refresh this page on the same daily cadence as the rest of the directory. The last index update was 2026-09-02.