When was HiddenLayer founded?

HiddenLayer was founded in 2022 and raised its 1st funding round within a year of its incorporation.

Where is HiddenLayer located?

HiddenLayer is headquartered in Austin, United States.

How many employees does HiddenLayer have?

As of Mar 31, 2026, the latest employee count at HiddenLayer is 169.

Is HiddenLayer a funded company?

HiddenLayer is a funded company, having raised a total of $56M across 2 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on Jul 19, 2022.

When was the latest funding round of HiddenLayer?

HiddenLayer's latest funding was a $***** Series A round on Sep 19, 2023, with participation from 6 investors.

Where does HiddenLayer rank among its competitors?

HiddenLayer ranks 12th amongst 146 active competitors, of which 40 are funded. It stands 5th in terms of total funding among its competitors. The most recent competitor to raise funding was Liminal, which secured $4M in Nov, 2025.

Who are the top competitors of HiddenLayer?

HiddenLayer's top competitors include Protect AI, SSI and Aurascape. Among them, Liminal secured the most recent funding round in November, 2025.

HiddenLayer - 2026 Company Profile, Team, Funding & Competitors

Company Details

Offering threat detection solutions to protect AI models. They assist enterprises to safeguard the machine learning models behind their most important products with a comprehensive security platform. Offers turnkey AI and ML security that does not add unnecessary complexity to models and does not require access to raw data and algorithms.

Website: www.hiddenlayer.com/
Social
Email ID: *****@hiddenlayer.com

Key Metrics

Founded Year

2022

Location

Austin, United States

Stage

Series A

Total Funding

$56M in 2 rounds

Latest Funding Round

Series A, Sep 19, 2023, $*****

Investors

Ten Eleven Ventures & 6 more

Ranked

12^th among 146 active competitors

Employee Count

169 as on Mar 31, 2026

Similar Companies

Protect AI & 149 more

View HiddenLayer's full profile

HiddenLayer is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Hiddenlayer, Inc. CIN: 32084058182 , United States, Active	Mar 30, 2022	-	-	-
Hiddenlayer, Inc CIN: 88-1414566 , United States, Active	Dec 31, 2021	-	-	-

HiddenLayer has raised a total funding of $56M over 2 rounds. Its first funding round was on Jul 19, 2022. Its latest funding round was a Series A round on Sep 19, 2023 for $*****. 6 investors participated in its latest round. HiddenLayer has 7 institutional investors.

Here is the list of recent funding rounds of HiddenLayer:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Sep 19, 2023	7218324	Series A	8651887	8184705	4271273	2422001
Jul 19, 2022	9723603	Seed	9589760	1545023	Ten Eleven Ventures	Secure Octane Investments

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View details of HiddenLayer's funding rounds and investors

The founders of HiddenLayer are James Ballard, Tanner Burns and Chris Sestito.

Here are the details of HiddenLayer's key team members:

James Ballard: Co-Founder & CIO of HiddenLayer. They serve on the board of 1 company.
Contact Info: 1 email address
Tanner Burns: Co-Founder of HiddenLayer. They serve on the board of 1 company.
Contact Info: 1 email address
Chris Sestito: Co-Founder & CIO of HiddenLayer.
Contact Info: 1 email address

HiddenLayer's Board of Directors

HiddenLayer's board has 8 active members. Mark Hatfield, James Ballard, Tanner Burns, Todd Graham, Todd Weber, Alan Freedman, Christopher Sestito and Joshua Lemos are independent board members.

Here is the list of HiddenLayer's board of directors:

Name	Type	Representing	Status	Duration
Mark Hatfield	Independent board member	-	Current	2y 2m
nwifiwc	Independent board member	-	Current	3y 5m
teqoezh	Independent board member	-	Current	8y 2m
rparea{	Independent board member	-	Current	1y 1m
kckoqto	Independent board member	-	Current	4y 9m
djcacat	Independent board member	-	Current	3y 2m
auowysb	Independent board member	-	Current	6y 4m
xtlujsr	Independent board member	-	Current	9y 4m

View details of HiddenLayer's Founder profiles and Board Members

HiddenLayer's employee count trend

HiddenLayer has 169 employees as of Mar 26. Here is HiddenLayer's employee count trend over the years:

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Top competitors of HiddenLayer include Protect AI, SSI and Aurascape. Here is the list of Top 10 competitors of HiddenLayer, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Protect AI 2022, Seattle (United States), Acquired	Provider of AI-based ML security solutions	$129M	Evolution Equity Partners, Acrew Capital ... & 12 others	67/100
2nd	SSI 2024, Palo Alto (United States), Series A	Platform offering security solutions for AI models	$3B	DST Global, Greenoaks & 9 others	63/100
3rd	Aurascape 2024, Santa Clara (United States), Series A	Provider of an AI-native security layer for enterprise AI application usage	$62.8M	Mayfield, Menlo Ventures & 5 others	61/100
4th	Prophet Security 2024, Palo Alto (United States), Series A	AI-based security solutions	$41M	Accel, Bain Capital Ventures	58/100
5th	Troj Company 2019, Saint John (Canada), Seed	Provider of solutions to protect AI assets from adversarial attacks	$11.4M	Flying Fish Ventures, Build Ventures & 6 others	58/100
6th	Lakera 2021, Zurich (Switzerland), Acquired	Developer of AI and SaaS-based observability platform for computer vision developers	$30M	Atomico, Redalpine & 5 others	57/100
7th	Apex 2023, Tel Aviv (Israel), Acquired	AI based security and risk management platform for businesses	$7M	Index Ventures, Sequoia Capital & 1 others	57/100
8th	Liminal 2017, Denver (United States), Series A	Horizontal security for Generative AI	$17M	Fin Capital, Craft Ventures & 2 others	55/100
9th	Aim 2022, Tel Aviv (Israel), Acquired	Platform for security in the context of general artificial intelligence	$28M	YL Ventures, Canaan & 1 others	55/100
10th	SydeLabs 2024, San Francisco (United States), Acquired	AI based security and risk management solutions for businesses	$2.5M	RTP Global, Picus Capital & 2 others	55/100
12th	HiddenLayer 2022, Austin (United States), Series A	Offering threat detection solutions to protect AI models	$56M	Ten Eleven Ventures, Capital One Ventures ... & 5 others	56/100