StackOne
Integration Infrastructure for AI Agents
Newbury, United Kingdom · Founded 2023 · $23.6M raised
- Headquarters
- Newbury, Berkshire
- Employees
- 11–50
- Founded
- 2023
- Business Model
- B2B
- Website
- stackone.com
- Total Funding
- $23.6M
- Last Round
- $20.0M Series AMay 2025
- Rounds
- 2
About
StackOne provides real-time integration infrastructure for AI agents that need to act across business SaaS applications. It serves both software teams embedding agents into products and organizations connecting off-the-shelf agents to their own enterprise applications, including HRIS, ATS, CRM, and LMS systems. The platform reduces context bloat and token spend, manages authentication and permissions, and uses prompt-injection detection and guardrails to help agents execute workflows securely at scale.
Summary
StackOne is an Artificial Intelligence company based in Newbury, United Kingdom, founded in 2023. It has raised $23.6M in total across 2 rounds, most recently a $20.0M Series A round in May 2025. Investors include Episode 1 Ventures, GV and Workday Ventures.
Tech & App Stack
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Funding History
May 2025
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Seed through Series A — per-round amounts, valuations, and who invested in each round.
Investors
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