Cleanlab

Cleanlab is a technology company focused on automated data curation and AI reliability solutions. Founded in 2018 as an open-source project at MIT, Cleanlab aims to enhance the safety, accuracy, and trustworthiness of artificial intelligence systems. The company addresses the critical challenge of data quality in AI, enabling engineers and organizations to deploy reliable AI agents quickly. The flagship product, Cleanlab Studio, is a no-code platform that automates data curation, annotation, and quality assurance for various data types. Additionally, Cleanlab offers an AI Agent Reliability Platform that detects low-quality AI outputs in real time and ensures compliance and safety. Their human-in-the-loop workflows empower non-technical teams to improve AI responses, making it easier for enterprises to maintain high standards in customer support and other applications. Cleanlab serves a diverse range of customers, including tech companies, data scientists, and enterprises across various industries. With recent funding of $25 million in a Series A round, Cleanlab continues to grow and innovate in the field of data-centric AI.

Information Technology & Services San Francisco, United States ~28 employees Private · Series A

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Employees
28
+12% in the 3 months to Jun 2025
Revenue / employee
$111K
Revenue ~$3.1M
Total funding
$30M
Last round Series A, Oct 2023
12-month attrition
25.6%
Tech: 30.1%
H1B filings, FY2025
1
Sponsors visas

Headcount trend

Cleanlab went from 17 employees in Jul 2023 to 28 in Jun 2025. Jan to Jun 2025: 6 people joined, 1 left.

Headcount data through Jun 2025

Org structure

Headcount by department

Engineering11
Other9
Operations2
Marketing2
Sales1
Product1
Design1
Success1

Funding

  • Oct 2023 · Series A · $25M · Menlo Ventures, TQ Ventures, Bain Capital Ventures
  • Jul 2023 · Seed · $5M · Bain Capital Ventures

Salaries at Cleanlab

All salaries

5 salary profiles in the US

Most reported roles

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering1

Peer reviews

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Anonymous peer reviews on OffTheRecord

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Cleanlab FAQ

How many employees does Cleanlab have?

Cleanlab has about 28 employees, up 12% over the 3 months to Jun 2025.

Does Cleanlab sponsor H1B visas?

Yes. Cleanlab filed 1 H1B (LCA) application in FY2025, according to the latest U.S. Department of Labor disclosures. It was for a Engineering role.

What is Cleanlab's revenue per employee?

Cleanlab makes about $111K in revenue per employee, based on $3.11M annual revenue and 28 employees.

How much does Cleanlab pay?

6figr has 5 salary profiles for Cleanlab in the US, with pay broken down by role, level, gender and ethnicity on the Cleanlab salaries page. See Cleanlab salaries

How much funding has Cleanlab raised?

Cleanlab has raised $30M in total funding; its latest round was Series A in Oct 2023.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.