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StackOne

StackOne

Private
LondonEnterprise Softwarehttps://www.stackone.com/

Last Round

Series A

May 6, 2025

Total Funding Raised

$23.6M

Company Overview

StackOne is a software company that provides a universal integration infrastructure platform for SaaS products and AI agents.

Sector

Enterprise Software

Verticals

Data Integration, API Management, Workflow Automation, Platform-as-a-Service

Business Model

B2B

Customer Profile

Subscription SaaS, Usage-Based SaaS

AI Layer

Infrastructure

Keywords

unified APIintegration-platform-as-a-serviceiPaaSSaaS integrationAPI managementembedded integrationintegration middlewareAI agent infrastructureAPI aggregatorHRIS integrationATS integrationCRM integrationdeveloper toolsAPI gatewayworkflow automation

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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StackOne Comparables

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StackOne comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Apideck
92%
Merge
91%
Unified.to
91%

StackOne Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AMay 6, 2025
SeedMar 5, 2024

Key People

Founding team and executive leadership

Guillaume Lebedel

Co-Founder CTO

Founding Team

Romain Sestier

Co-founder CEO

Founding Team

StackOne Investors

Notable investors and investment history

StackOne investors
InvestorRounds
Playfair CapitalSeed, Series A
GVSeries A
Portfolio VenturesSeed
BlissgrowthSeed
Sequoia CapitalSeed
XTX VenturesSeries A
Revenue SyndicateSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Oct 3, 2025

    Added Spotted Zebra, an HR Technology startup, as a customer.

  • Oct 3, 2025

    Added Vizzy, an HR Technology startup, as a customer.

StackOne Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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StackOne Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about StackOne's valuation, stock price, and market status.

Firmographic Details

HeadquartersLondon
Employee Range54
Year Founded2023
Last FundingMay 6, 2025

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