About This Deal

CHARLES RIVER LABORATORIES INTERNATIONAL, INC. acquired Celsis Group Limited for $214.5 million, a transaction completed in July 2015, structured as all cash.

Celsis Group Limited operates in Manufacturing Support — Microbial Solutions, is based in United Kingdom. Celsis Group Limited was a leading provider of rapid testing systems for non-sterile bacterial contamination for the biopharmaceutical and consumer products industries.

The purpose of this acquisition was to enhance our portfolio of rapid microbial detection products and services with the addition of a rapid bioburden testing product. The purchase price for Celsis was $214.5 million.

Microbial Solutions, Manufacturing Support segment

Deal Terms

Acquirer
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Target
Celsis Group Limited
Value
$214.5 million
Date
July 2015
Type
Full acquisition
Status
Ready

Transaction Details

Target HQ
United Kingdom
Segment
Manufacturing Support — Microbial Solutions
Structure
all cash
Announced
July 1, 2015
Closed
July 1, 2015

In Their Words

In July 2015, we acquired Celsis Group Limited (Celsis), a leading provider of rapid testing systems for non-sterile bacterial contamination for the biopharmaceutical and consumer products industries. The purpose of this acquisition was to enhance our portfolio of rapid microbial detection products and services with the addition of a rapid bioburden testing product. The purchase price for Celsis was $214.5 million.Charles River FY2015 10-K, Business Acquisitions note

Advisors

Advisory firms were not disclosed for this transaction.

Related Deals & Entities

Sources: Press release ↗ · Last updated June 11, 2026

See how VectorShift works for your firm

Request Demo