Liminal

Denver, United States Founded: 2017 • Age: 9 yrs
Horizontal security for generative AI is provided to enterprises.

About Liminal

Liminal is a company based in Denver (United States) founded in 2017 by Steven Walchek. It operates as a AI-as-a-Service and Subscription Services. Liminal has raised $16.98 million across 4 funding rounds from investors including Matchstick Ventures, Fin Capital and High Alpha. Liminal offers products and services including Liminal Platform, Liminal Spaces, Liminal Enterprise Search, and Liminal Console. Liminal operates in a competitive market with competitors including Protect AI, Private AI, Robust Intelligence, HiddenLayer and Cranium, among others.

  • Headquarter Denver, United States
  • Founders Steven Walchek
  • Sectors
    Technology
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Website liminal.ai
  • Social LinkedIn X
  • Legal Name Liminal
Key Metrics
  • Total Equity Funding
    $16.98M (USD)

    in 4 rounds

  • Latest Funding Round
    $4M (USD), Seed

    Nov 2025

  • Investors

Products & Services of Liminal

Liminal offers a comprehensive portfolio of products and services, including Liminal Platform, Liminal Spaces, Liminal Enterprise Search, and Liminal Console.

Liminal Platform
AI Security Platform

Secure generative AI access for enterprises is provided.

Liminal Spaces
Data Integration

Internal data is safely leveraged in AI interactions.

Liminal Enterprise Search
AI Governance

Complete AI governance is maintained in one hub.

Liminal Console
AI Insights

AI insights are leveraged to drive organizational value.

Funding Insights of Liminal

Liminal has successfully raised a total of $16.98M across 4 strategic funding rounds. The most recent funding activity was a Seed round of $4 million completed in November 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $16.98M
  • Total Rounds 4
  • Last Round Seed β€” $4M
  • Investors Count 4

All 4 funding rounds of Liminal with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Nov 2025$4MSeed––
–
Jun 2024$5MSeed–Fin Capital
May 2024$7.98MSeries A––
–
Aug 2023–Seed––
Valuation history

4 investors in total: 4 institutional.

Investors in Liminal

Liminal has secured backing from 4 investors, including venture fund investors. Prominent investors backing the company include Matchstick Ventures, Fin Capital and High Alpha.

All
Venture Fund
InvestorDescriptionFounded YearDomainLocation
Early-stage venture capital is provided to ambitious entrepreneurs.
2015matchstick.vcUnited States
Venture capital firm focused on fintech and B2B SaaS companies
–fin.capitalSan Francisco, United States
A venture firm that creates and funds B2B SaaS companies.
–highalpha.com-
Venture capital fund focused on SaaS and consumer sectors
–craftventures.comSan Francisco, United States
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Investor details for Liminal

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  • Round participation
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People of Liminal

8 people are tracked at Liminal (4 in leadership, 4 in team).

NameRoleGroup
Steven Walchek
Founder & CEOLeadership
Aaron Bach
Chief Technology OfficerLeadership
Michelle Eatherton
Chief Business OfficerLeadership
Marc Jacocks
Chief Marketing OfficerLeadership
Jason Southern
Senior Devops EngineerTeam
Josh Sample
Senior Software EngineerTeam
Jessica Talbot
Senior Application DeveloperTeam
Julie Manuszak
Customer Operations & ImplementationTeam
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Complete people profiles for Liminal

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

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Timeline of Liminal

3 dated milestones of Liminal across 8 years, from founding to its latest funding, stage changes and deals.

  1. Founded Liminal is founded.
  2. Funding First funding round.
  3. Funding Latest funding round, Seed, of $4.0M.

Competitors of Liminal

Liminal operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Protect AI, Private AI, Robust Intelligence, HiddenLayer and Cranium, among others.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
protectai.com2022Seattle, United States$129.3M–
AI-based security solutions for machine learning models are provided.
private-ai.com2019Toronto, Canada$11.15M26
Platform offering privacy solutions for LLMs, API, ASR and more
robustintelligence.com2019Cambridge, United States$30M30
End-to-end security for AI models is automated by Robust Intelligence.
hiddenlayer.com2022Austin, United States$56M–
Threat detection solutions for AI models are provided.
cranium.ai2023Short Hills, United States$32M–
AI governance platform for security, compliance, and trust is offered.
sydelabs.ai2024San Francisco, United States$2.5M–
AI-based security and risk management solutions are offered for businesses.
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Detailed competitors of Liminal

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  • Operating metrics
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Web traffic of Liminal

The website of Liminal (liminal.ai) receives about 15.8K visits a month.

  • Monthly visits
    15.8K

    ▲ 15.1% vs previous month

Similar websites

Websites whose visitors overlap most with Liminal. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
tonic.ai
100%
71.1K#503,385View details
dagster.io
99%
178.3K#199,120View details
abacus.ai
97%
3.9M#13,827View details
singlestore.com
97%
167.6K–View details
fairies.ai
fairies.ai
95%
–#7,676,692–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
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All 14 similar websites and full traffic analytics for Liminal

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  • 14 similar websites
  • Audience overlap
  • Engagement analytics
  • Traffic by brand

Verified entity values are shown only after access is granted.

Latest news on Liminal

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Complete news archive for Liminal

Full article history, source details, and older brand coverage require an active premium plan.

  • Full article archive
  • Source and publication date
  • Older coverage
  • Brand-specific news history

Verified entity values are shown only after access is granted.

Similar companies to Liminal

10 companies that operate in the same segment as Liminal (Cybersecurity & Data Protection), ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Cloud based website security solutions
2009San Francisco, California, United StatesUSD 332.1 MUSD 1.67 B4,260
Cybersecurity and zero trust solutions are delivered for secure networks.
2007San Jose, California, United StatesUSD 148 MUSD 3.35 B2,241
Cloud-based identity management solutions are provided for enterprises.
2002Denver, Colorado, United StatesUSD 136.89 MUSD 36.94 M821
Ledger is recognized for providing secure cryptocurrency hardware wallets.
2014Paris, FranceUSD 575.4 M––
AI-based software suites are developed for navigation applications.
1893Paris, France–USD 26.01 B83,020
Cloud based platform offering IT operational data and security analytics software
2003San Francisco, California, United StatesUSD 40 MUSD 2.59 M108
Cloud-based enterprise management solutions including backup and recovery are provided.
2003Singapore, SingaporeUSD 658 M––
Cloud-based identity management and authentication are provided for enterprises.
2009San Francisco, California, United StatesUSD 231.3 MUSD 2.92 B5,910
Cloud and application performance management platform is provided.
2010New York, New York, United StatesUSD 147.19 MUSD 2.68 B6,500
Identity security solutions are provided to secure identities across infrastructures.
1999Petah Tikva, Central District, IsraelUSD 59 MUSD 1 B3,790
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Frequently Asked Questions about Liminal

Liminal was founded in 2017 and raised its 1st funding round 6 years after it was founded.

Liminal is headquartered in Denver, United States. It is registered at Denver, Colorado, United States.

Steven Walchek is the current CEO of Liminal. They have also founded this company.

Liminal is a funded company, having raised a total of $16.98M across 4 funding rounds to date.

Liminal is dedicated to enabling regulated enterprises to leverage generative AI securely. Solutions are provided to ensure data protection, governance, and observability across multiple AI models from leading providers like OpenAI and Google. The platform is designed to serve industries such as banking, healthcare, and financial services, offering tools for end-users, security teams, and business operations. Comprehensive control over AI interactions is maintained, ensuring compliance and cost efficiency while maximizing productivity benefits.

Liminal's top competitors include Protect AI, SydeLabs and Robust Intelligence.

Liminal offers Liminal Platform, Liminal Spaces, Liminal Enterprise Search, and Liminal Console.

Liminal has 4 investors. Key investors include Matchstick Ventures, Fin Capital, High Alpha, and Craft Ventures.

Liminal operates through Liminal.

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