StackOne
Integration Infrastructure for AI Agents
StackOne was founded in 2023, is headquartered in Newbury, United Kingdom, lists 11–50 employees, and has $23.6M in recorded funding across 2 rounds.
- 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
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 10 investors for this company. The full record is or through the API.
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 lists 11–50 employees. 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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Funding: Seed through Series A. Amounts, valuations, and investors where available.
Investors
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