Guardrail Technologies

Park City, Utah-based AI security and control company whose platform watches AI agent behavior in production and keeps agents within defined limits.

Industry
AI security, AI governance
Location
Park City, UT
Website
https://guardrail.tech

About

Guardrail Technologies sells an AI security and control platform for organisations in high-accountability industries. The company says the platform watches AI agent behavior in production, keeps each agent within its assignment and turns the records AI systems leave behind into usable evidence. It is led by CEO T.J. Marlin. Richard Sussman, who founded lead investor Filter Fund Venture Capital, is executive chairman. The company has operations in Australia and plans to use the funding to expand into Asia and Europe.

Funding history

RoundDateAmountLead
Seed 20262026-10-07Filter Fund Venture Capital

Investors

  • Filter Fund Venture Capital lead

Sources

Last verified:

  1. https://utah.vc/p/guardrail-technologies-seed
    Type: company announcement. Accessed 2026-10-08.
    Guardrail Technologies release datelined Park City, Utah, published on utah.vc on 2026-10-07 (UTC). Says the company has closed two seed rounds to date totaling nearly $3 million, led by Filter Fund Venture Capital with participation from strategic angel investors, and names T.J. Marlin as CEO.
  2. https://www.utahbusiness.com/press-releases/2026/10/07/guardrail-technologies-closes-3-million-seed-funding-filter-fund-venture-capital/
    Type: company announcement. Accessed 2026-10-08.
    The same company release republished by Utah Business on 2026-10-07. Used to confirm the release text, including that Filter Fund founder Richard Sussman is executive chairman of Guardrail.
  3. https://www.finsmes.com/2026/10/guardrail-technologies-raises-3m-across-two-seed-funding.html
    Type: reputable publication. Accessed 2026-10-08.
    FinSMEs article dated 2026-10-07. Confirms the Park City, UT location and says the company raised nearly $3 million across two seed rounds led by Filter Fund Venture Capital with strategic angel investors.