Insights

Open source momentum HumanSignal is the creator of Label Studio, with a large open source community (over 250,000 users and 100 million annotations). This suggests a broad market footfall and potential upsell to Label Studio Enterprise for customers requiring enterprise-grade security, automation, and governance.

Enterprise expansion Recent moves include launching HumanSignal Services for multimodal data creation, Frontier Data Labs for novel data collection, and the acquisition of Erud AI. These developments indicate a push into end-to-end data labeling, data collection, and AI data capabilities—a natural fit for organizations seeking comprehensive data pipelines.

AI workflow integration Tech stack and partnerships (Docker, PostgreSQL, Jira, Notion, Intercom, Zendesk) show integration potential with common enterprise tooling. There are opportunities to position advanced data labeling and feedback loops as essential to improving model training and alignment within existing tech ecosystems.

Influenced by industry leaders Notable customers include Bombora, Geberit, Outreach, Wyze, and Zendesk. This indicates credibility with mid-market to enterprise teams and suggests opportunities to target similar verticals or departments heavily invested in AI-driven data preparation and model governance.

Financial and growth signals With estimated revenue between 25M-50M and 29M in funding, HumanSignal maintains a solid growth profile and potential budget for expanding sales outreach, especially into data-centric AI teams seeking scalable labeling, evaluation, and validation workflows.

Similar companies to HumanSignal

HumanSignal Tech Stack

HumanSignal uses 8 technology products and services including Docker, PostgreSQL, Zendesk, and more. Explore HumanSignal's tech stack below.

Media & News

HumanSignal's Email Address Formats

HumanSignal uses at least 3 email formats:
HumanSignal Email FormatsExamplePercentage
First@heartex.comJohn@heartex.com
62%
Last@heartex.comDoe@heartex.com
38%
First@humansignal.comJohn@humansignal.com
100%

Frequently Asked Questions

What is HumanSignal's official website and social media links?

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HumanSignal's official website is humansignal.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does HumanSignal generate?

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As of August 2026, HumanSignal's annual revenue is estimated to be $25M - $50M.

What is HumanSignal's NAICS code?

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HumanSignal's NAICS code is 5112 - Software Publishers.

How many employees does HumanSignal have currently?

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As of August 2026, HumanSignal has approximately 132 employees across 5 continents, including North America, Europe and Asia. Key team members include Vice President - Emea: H. S., Head Of Growth: A. G. and Head Of Delivery Strategy: M. S. Explore HumanSignal's employee directory with LeadIQ.

What industry does HumanSignal belong to?

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HumanSignal operates in the Software Development industry.

What technology does HumanSignal use?

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HumanSignal's tech stack includes Docker, PostgreSQL, Zendesk, Claude by Anthropic, Asana, Atlassian Jira, Intercom and Notion.

What is HumanSignal's email format?

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HumanSignal's email format typically follows the pattern of First@heartex.com. Find more HumanSignal email formats with LeadIQ.

How much funding has HumanSignal raised to date?

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As of August 2026, HumanSignal has raised $29M in funding. The last funding round occurred on May 18, 2022 for $25M.

When was HumanSignal founded?

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HumanSignal was founded in 2019.
HumanSignal logo

HumanSignal

Software DevelopmentCalifornia, United States51-200 Employees

HumanSignal is a San Francisco-based software development company that helps data science teams build AI models aligned with their own data and human feedback. As generative AI evolves, the firm emphasizes differentiating foundation models by guiding them with proprietary data and human input. It is the creator of Label Studio, a widely used open source data labeling platform, and offers Label Studio Enterprise as a cloud service that adds security, automation, quality review workflows, and performance reporting for teams including Bombora, Geberit, Outreach, Wyze, and Zendesk. The Label Studio ecosystem has grown to more than 250,000 users who have collectively annotated over 100 million pieces of data. In late 2025, HumanSignal expanded its data capabilities through the acquisition of Erud AI and the launch of Frontier Data Labs for novel data collection.

Section iconCompany Overview

NAICS Code
5112 - Software Publishers
Founded
2019
Employees
51-200

Section iconFunding & Financials

  • $29M

    HumanSignal has raised a total of $29M of funding over 2 rounds. Their latest funding round was raised on May 18, 2022 in the amount of $25M as a Series A.

  • $25M - $50M

    HumanSignal's revenue is estimated to be in the range of $25M - $50M

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