Checkout.com

Guillaume Pousaz profile image from Checkout.com
Checkout.com logo

Checkout’s mission is to build the future of commerce by building by a full stack technology that offers access to a payment gateway, advanced risk and fraud monitoring tools, a cutting-edge processor and the relevant acquirers, all in unified payments solution.

The future of commerce is online & international. At the same time, companies increasingly need and want to embed financial products into their services. Checkout is enabling the payment rails and financial services for tomorrow's internet economy.

Checkout was founded by Guillaume Pousaz who has been in payments since 2006. In 2009 he acquired a small payments company authorized to accept credit cards but which had zero technology. That small company, today with hundreds of engineers, became Checkout.com.

Financial Services

Investment Total
Blossom invested in Checkout’s $230M Series A alongside DST Global and Insight Partners. Checkout has since gone on to raise their $150M Series B led by Coatue, $450M Series C led by Tiger and $1B Series D.

More Series A investments

Financial Services

  1. Country:
    Czech Republic
  2. Sector: 
    Financial Services
  3. DAte of partnership: 
    Nov 2023
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SaaS / HR

Hanna Asmussen, Lisa Dahlke, and Franzi Löw from Localyze
  1. Country:
    Germany
  2. Sector: 
    Enterprise SaaS
  3. DAte of partnership: 
    June 2021
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Infrastructure / Developer Tools

Api.video team photo
  1. Country:
    France
  2. Sector: 
    Developer Tools
  3. DAte of partnership: 
    June 2020
Blossom led api.video’s $5.5M Seed round. They've since raised a $12M Series A.
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Application / AI Ops

Blossom led Arrakis's $30m Series A
  1. Country:
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  2. Sector: 
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  3. DAte of partnership: 
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Blossom led Arrakis's $30m Series A
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Defence

  1. Country:
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  2. Sector: 
    Defence
  3. DAte of partnership: 
    July 2026
Blossom led Greenjet's $40m Series A round.
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Comand AI is building an AI-native command and control platform for NATO allies, using large language models to compress military planning from days to hours

Defence

  1. Country:
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  2. Sector: 
    Defence
  3. DAte of partnership: 
    Dec 2025
Blossom led Comand AI's €32m Series A round.
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