Add-on Acquisition • Life Science

Northwest Biotherapeutics Acquires Advent Bioservices

On August 27, 2025, Northwest Biotherapeutics acquired life science company Advent Bioservices

Acquisition Context
  • This is Northwest Biotherapeutics’ 1st transaction in the Life Science sector.
  • This is Northwest Biotherapeutics’ 1st transaction in the United Kingdom.

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M&A Deal Summary

Date August 27, 2025
Target Advent Bioservices
Sector Life Science
Buyer(s) Northwest Biotherapeutics
Deal Type Add-on Acquisition

Target Company

Advent Bioservices

Cambridge, United Kingdom
Advent Bioservices is a cell therapy Contract Development & Manufacturing Organisation (CDMO) that manages the development of a state-of-the-art facility for multiproduct Good Manufacturing Practice (GMP) production outside Sawston in Cambridgeshire, which will allow scale-up of current commercial production and initiate the provision of contract manufacturing services to meet the growing demand for such services in the UK. Advent Bioservices was formed in 2016 and is based in Cambridge, United Kingdom.
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Buyer Overview 1

Buyer

Northwest Biotherapeutics

Bethesda, Maryland, United States

Category Company
Sector Life Science
DESCRIPTION

Northwest Biotherapeutics, Inc. is a biotechnology company focused on developing personalized immunotherapy products designed to treat cancers more effectively than current treatments, without toxicities of the kind associated with chemotherapies, and on a cost-effective basis, in both North America and Europe.


Deal Context for Buyer #
Overall 2 of 2
Sector: Life Science 1 of 1
Type: Add-on Acquisition 2 of 2
Country: United Kingdom 1 of 1
Year: 2025 1 of 1
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2020-09-01 Flaskworks

Boston, Massachusetts, United States

Flaskworks LLC is a manufacturer of immune cell therapies (including T cell therapies and others). Flaskworks is based in Boston, Massachusetts.

Buy $4M