Insights

Expanding AI Capabilities HumanSignal's recent platform update and interface enhancements demonstrate their focus on improving machine learning workflows, presenting opportunities to offer complementary tools or integrations that further streamline data labeling and model training processes.

Strong Funding Support With a successful $25 million Series A investment from prominent venture capital firms, HumanSignal shows significant growth potential and the capacity to invest in innovative solutions, making them a prime candidate for advanced partnership or enterprise service offerings.

Market Leadership in Data Labeling Their Open Source Label Studio platform, with over 250,000 active users and more than 100 million annotated data pieces, highlights a dominant position in the data annotation space—offering opportunities to upsell enterprise-level automation, security, or consulting services.

Enterprise Expansion Major clients such as Zendesk, Wyze, and Outreach indicate strong footholds in various industries, suggesting potential for customized solutions, enterprise integrations, or consulting engagements tailored to complex AI deployment needs.

Focus on Data Security and Compliance Their partnership with Vanta to attain SOC 2 compliance signals a commitment to security and data governance—this provides an opening to offer premium security, compliance, and risk management solutions suited for enterprise clients.

HumanSignal Tech Stack

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

  • Jenkins
    Continuous Integration
  • PostgreSQL
    Database
  • MobX
    Javascript Libraries
  • Google Sheets
    Office Suites
  • Microsoft Azure
    Platform As A Service
  • HTML
    Programming Languages
  • Python
    Programming Languages
  • Google
    Search Engines

Media & News

HumanSignal's Email Address Formats

HumanSignal uses at least 1 format(s):
HumanSignal Email FormatsExamplePercentage
First@heartex.comJohn@heartex.com
63%
Last@heartex.comDoe@heartex.com
37%

Frequently Asked Questions

Where is HumanSignal's headquarters located?

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HumanSignal's main headquarters is located at San Francisco, California 94103 US. The company has employees across 4 continents, including North AmericaEuropeAsia.

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

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HumanSignal's official website is heartex.com and has social profiles on LinkedInCrunchbase.

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 October 2025, HumanSignal has approximately 51 employees across 4 continents, including North AmericaEuropeAsia. Key team members include Chief Technology Officer: N. L.Vp Marketing & Ecosystem: L. S.Head Of User Success: L. P.. 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 JenkinsPostgreSQLMobXGoogle SheetsMicrosoft AzureHTMLPythonGoogle.

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.

When was HumanSignal founded?

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HumanSignal was founded in 2019.

HumanSignal

Software DevelopmentCalifornia, United States51-200 Employees

HumanSignal enables data science teams to build AI models with their company DNA. With the emergence of generative AI, it’s more important than ever to build highly differentiated models by guiding foundation models with proprietary data and human feedback. Creators of Label Studio, the most popular open source data labeling platform, HumanSignal enables data scientists to develop high quality datasets and workflows for model training, fine tuning and continuous validation.

Today, the Label Studio open source community has more than 250,000 users who have collectively annotated more than 100 million pieces of data. Label Studio Enterprise is available as a cloud service with enhanced security, automation, quality review workflows, and performance reporting, used by leading data science teams including Bombora, Geberit, Outreach, Wyze, and Zendesk.

Section iconCompany Overview

Headquarters
San Francisco, California 94103 US
NAICS Code
5112 - Software Publishers
Founded
2019
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    HumanSignal's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    HumanSignal's revenue is estimated to be in the range of $100M$250M

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