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.

Information Technology & Services San Francisco, United States Founded 2018 ~217 employees Private · Series D

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Employees
217
+1.9% in the 3 months to Jun 2025
Revenue / employee
$230K
Revenue ~$50M
Total funding
$189M
Last round Series D, Jan 2022
12-month attrition
31.9%
Tech: 36.7%
H1B filings, FY2026
13
Sponsors visas
Open jobs
1
Last 30 days

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

Other114
Engineering45
Operations24
HR9
Sales7
Success7
Finance4
Marketing3

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 salaries

3 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
Engineering31
Executive3
Operations2
Consulting1

The department split adds up all the years listed above. FY2026 alone: 13 filings.

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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.