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

Cowboy Space is building vertically integrated orbital infrastructure for the AI era, spanning launch vehicles, space-based power and in-orbit compute.

  1. Country:
    USA
  2. Sector: 
    AI Infrastructure/Space Tech/Energy
  3. DAte of partnership: 
    May 2026
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Frankenburg Technologies is a defence tech company developing AI-powered, cost-effective missile and air-defence systems designed to be dramatically cheaper and faster to manufacture at scale than current industry solutions.

  1. Country:
    Estonia
  2. Sector: 
    Defence
  3. DAte of partnership: 
    February 2025
Blossom invested in Frankenburg's Seed round.
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Harmonic are forging the world's most advanced mathematical reasoning engine.

  1. Country:
    USA
  2. Sector: 
    Generative AI
  3. DAte of partnership: 
    September 2024
Blossom invested in Harmonic’s $75M Series A alongside Sequoia Capital, they've since raised a $100M Series B led by Kleiner Perkins.
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Praktika is an innovative language-learning platform transforming traditional lessons through ultra-realistic AI avatars to deliver personalised and fun educational experiences.

Generative AI

  1. Country:
    Remote
  2. Sector: 
    Generative AI
  3. DAte of partnership: 
    April 2024
Blossom led Praktika’s $35.5M Series A round.
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Pie enables developers to produce and consume APIs more effectively to build the tools, apps and technologies we rely on.

SaaS / Developer Tools

Jakub Roztocil profile from Pie
  1. Country:
    Czech Republic
  2. Sector: 
    Dev Tools
  3. DAte of partnership: 
    October 2020
Blossom co-led Pie's $6.5M Seed round alongside Coatue and Addition.
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Pigment offers an intuitive, visually-driven experience to forecast the future of your business. With flexible parameters and continuous forecasting, Pigment brings future scenarios to life through charts, models and simulations.

SaaS / Fintech

Romain Niccoli and Eléonore Crespo profile from Pigment
  1. Country:
    France
  2. Sector: 
    Enterprise SaaS
  3. DAte of partnership: 
    July 2020
Blossom led Pigment’s $26M Series A round. Pigment has since gone on to raise $145M in a Series D funding round, led by ICONIQ Growth.
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