Labelbox
Labelbox is a San Francisco-based company founded in 2018 by Manu Sharma, Brian Rieger, and Daniel Chen. The company specializes in data-centric AI solutions, focusing on enhancing AI development through high-quality training data. Labelbox addresses the need for efficient and accurate data labeling, which is essential for training machine learning models. The company offers a comprehensive platform that includes advanced annotation tools, workflow automation, and quality control systems. This SaaS platform supports teams in producing high-quality training data across various formats. Additionally, Labelbox provides a specialized data labeling service called Alignerr, which utilizes a network of subject matter experts for complex AI tasks. Their expert marketplace connects AI teams with skilled annotators, allowing for flexible scaling of data operations. Labelbox serves a range of enterprise customers, including notable companies like Allstate and Bayer. The company has experienced rapid growth, reaching nearly $1 million in annual recurring revenue within its first year and continues to expand its offerings in the evolving AI ecosystem.
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Headcount trend
Labelbox went from 119 employees in Jul 2023 to 217 in Jun 2025. Jan to Jun 2025: 70 people joined, 34 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Funding
- Jan 2022 · Series D · $110M · SoftBank’s Vision Fund 2, Snowpoint Ventures, B Capital Group
- Feb 2021 · Series C · $40M · B Capital Group, Andreessen Horowitz, First Round Capital
- Feb 2020 · Series B · $25M · Andreesen Horowitz, First Round Capital, Gradient Ventures
- Apr 2019 · Series A · $10M · Gradient Ventures, Kleiner Perkins, First Round Capital
- Jul 2018 · Seed · $3.9M · Kleiner Perkins, First Round Capital, Gradient Ventures
Salaries at Labelbox
All salaries3 salary profiles in the US
Most reported roles
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 13 filings.
Peer reviews
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Anonymous peer reviews on OffTheRecord
Similar companies
Labelbox FAQ
How many employees does Labelbox have?
Labelbox has about 217 employees, up 1.9% over the 3 months to Jun 2025.
Does Labelbox sponsor H1B visas?
Yes. Labelbox filed 13 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
What is Labelbox's revenue per employee?
Labelbox makes about $230K in revenue per employee, based on $50M annual revenue and 217 employees.
How much does Labelbox pay?
6figr has 3 salary profiles for Labelbox in the US, with pay broken down by role, level, gender and ethnicity on the Labelbox salaries page. See Labelbox salaries
How much funding has Labelbox raised?
Labelbox has raised $188.9M in total funding; its latest round was Series D in Jan 2022.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.