StackOne
Newbury, GB · Founded 2023 · 56 employees on LinkedIn · 6 known investors
Find your way into StackOne
77 people in our graph share verified history with the StackOne team — schools, employers, funds. One of them is your warm intro.
Hector Masonunlockedknows Romain Sestier · together at StackOne (overlapped)
×11knows the team · via Royal Holloway, University of London
StackOne provides infrastructure for AI agents to integrate with and act across business applications through optimized connectivity, execution, and security features. The platform serves companies and developers building AI agents into products or using off-the-shelf agents like Claude Code.
Founders & leadership
StackOne was founded in 2023 by Romain Sestier.
RS
Romain SestierinCo-founder & CEOHe previously held product leadership roles at Google, Yieldify (acquired by Publicis Groupe), and ContentSquare, and co-founded Upper.ai, an AI-powered data analytics tool.
Investors · 6
Competitors · 7
by search overlap
Zapier211 shared keywordsZapier provides a platform for connecting AI models and agents to workflows and business applications, enabling teams to automate tasks across over 9,000 apps without coding. The platform serves enterprises, operations teams, and businesses of all sizes looking to deploy AI-driven automation for lead capture, customer support, employee onboarding, and other business processes.
Composio120 shared keywordsComposio provides a developer platform that gives AI agents and autonomous systems access to over 1,000 third-party tools with managed authentication, sandboxed execution, and intelligent tool selection. The platform enables developers to build multi-step AI workflows across applications without handling OAuth flows or tool configuration.
Merge115 shared keywordsMerge provides a unified API and integration infrastructure that lets software companies connect their products to hundreds of third-party systems (HRIS, accounting, ticketing, file storage, CRM) and deploy AI agents that take authenticated actions across enterprise tools. It also offers model routing to direct LLM requests to different providers, serving product and engineering teams building AI features and integrations.
Pipedream81 shared keywordsPipedream provides an integration and automation platform for developers to build, run, and deploy AI agents and workflows that connect thousands of APIs. Its offerings include a developer SDK for embedding integrations, a workflow builder, and MCP servers that add APIs and tools to AI agents.
n8n74 shared keywordsn8n is a visual and code-based workflow automation platform that enables technical teams to build, connect, and deploy AI agents and integrations with flexible deployment options ranging from on-premise to cloud infrastructure.
Workato66 shared keywordsWorkato provides an integration and automation platform that connects enterprise applications and data systems across cloud and on-premise environments.
Gumloop62 shared keywordsGumloop is a platform for building and deploying AI agents that automate business tasks such as data analysis, customer support, CRM management, and meeting preparation. The platform serves enterprise teams and includes multi-agent workflow orchestration, integrations with workplace tools like Slack and Teams, and security controls for managing AI model access and data governance.
Companies competing with StackOne for the same Google search keywords, organic and paid, via search-intersection analysis.
Frequently asked questions
- What does StackOne do?
- StackOne provides infrastructure for AI agents to integrate with and act across business applications through optimized connectivity, execution, and security features. The platform serves companies and developers building AI agents into products or using off-the-shelf agents like Claude Code.
- Who founded StackOne?
- StackOne was founded by Romain Sestier in 2023.
- Who are StackOne's investors?
- StackOne's investors include Episode1, GV (Google Ventures), Inception Fund, Preston-Werner Ventures, Playfair Capital, Workday Ventures.
- Where is StackOne headquartered?
- StackOne is headquartered in Newbury, GB.