Question 1

What is Data Annotation?

Accepted Answer

Data annotation involves labeling datasets—such as text, images, or video—to make them usable for machine learning models.

Question 2

How many companies do Data Annotation?

Accepted Answer

Based on our data, 6,524 companies do Data Annotation. This number is updated daily as we discover new companies through job posting analysis.

Question 3

What types of companies do Data Annotation?

Accepted Answer

Data Annotation is relevant across multiple industries including Software Development, Advertising Services, IT Services and IT Consulting. Companies range from startups to enterprises with 10,000+ employees.

Question 4

How does TheirStack track companies related to Data Annotation?

Accepted Answer

TheirStack analyzes millions of job postings daily from company career pages, job boards, and recruitment platforms. When a company mentions Data Annotation in their job descriptions, requirements, or responsibilities, we identify them as related to Data Annotation and add them to our database.

Question 5

How can I get the full list of companies that do Data Annotation?

Accepted Answer

You can access the complete list of 6,524 companies on TheirStack. The data includes company name, industry, size, location, funding, and revenue. Available via our web app or API.

Question 6

How often is the company data updated?

Accepted Answer

Our database is refreshed daily. We continuously monitor job postings to detect new companies doing Data Annotation and update existing records.

Company	Country	Industry	Employees	Revenue	Technologies
Mercor	United States	Software Development	9.3k		Data Annotation
Volga Partners	United States	Software Development	621		Data Annotation
Sigma Group	United States	Advertising Services	160	$4M	Data Annotation
Sigma AI	United States	IT Services and IT Consulting	1.1k		Data Annotation
micro1	United States	Software Development	8.4k		Data Annotation
TikTok	United States	Entertainment Providers	93k	$4.6B	Data Annotation
RWS Group	United Kingdom	Translation and Localization	14k	$819M	Data Annotation
TELUS Digital	Canada	IT Services and IT Consulting	45k		Data Annotation
Welocalize	United States	Translation and Localization	5.8k	$257M	Data Annotation
Innodata Inc.	United States	Business Consulting and Services	8.9k		Data Annotation

Companies doing Data Annotation

List of companies that do Data Annotation