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04/2026

THERMO FISHER MICROBIOLOGY acquired by ASTORG

UNITED STATES Life Sciences / Medical Devices / Diagnostic Equipment EV 1b - 4b USD

Context

Astorg has signed a definitive agreement to acquire Thermo Fisher Scientific's microbiology business, which will become an independent, privately owned platform, backed by Astorg. The transaction consists of a complete corporate carve-out, executed via the Astorg VIII fund, representing the vehicle's tenth investment to date and further concentrating its portfolio exposure within the life sciences sector. The ownership transition is driven by the seller’s strategic decision to divest non-core clinical assets, allowing the parent company to reallocate its corporate capital toward higher-growth molecular diagnostics. For the target company, the separation from a large corporate matrix removes internal budget competition and enables dedicated reinvestment into product innovation. The ownership transition establishes a clear operational mandate focused on scaling global market share, expanding the current commercial infrastructure, and pursuing consolidation via strategic mergers and acquisitions. The post-closing roadmap requires the execution of complex transitional service agreements to ensure continuity across thirteen global manufacturing and research facilities without disrupting ongoing supply contracts. The definitive agreement is subject to customary anti-trust clearances and regulatory approvals, with final closing projected during the second half of 2026.

THERMO FISHER MICROBIOLOGY, which reported an EBITDA margin of LOGIN in 2025, is valued in this transaction at an EV/EBITDA multiple of LOGIN, a level to compare with the average currently observed in the Healthcare & Pharma sector (14.8x).

Note that this data is based on contribution from our growing community, composed of M&A and Private Equity professionals, and has been verified by our team to ensure its accuracy.

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Target

The microbiology division of Thermo Fisher Scientific, commercialized globally under the legacy Remel and Oxoid brands, operates as a developer and manufacturer of diagnostic consumables and equipment utilized in clinical, pharmaceutical, and food safety testing laboratories. The entity focuses on specialized culture media solutions and automated antimicrobial susceptibility testing systems designed for pathogen identification. These physical products represent critical operational components within specialized testing workflows where chemical exactness determines clinical outcomes. Revenue generation is driven by the regular replenishment of single-use testing consumables, which accounts for over 95% of total turnover across thirty-eight thousand active laboratories. This transacting mechanism benefits from deep institutional inertia as laboratories anchor their standardized daily testing protocols to the specific chemical profiles of these brands. Switching to alternative vendors requires extensive internal validation protocols and regulatory re-certification of testing lines, creating high friction and substantial financial switching barriers. Furthermore, the operational landscape is governed by increasingly rigid international public health mandates and pharmaceutical quality control laws. These strict baseline requirements compel testing facilities to rely exclusively on audited, established market suppliers, neutralizing commodity-grade competition.

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Historical Financials (USD)

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REFERENCES

Valuation range: EV 1b - 4b USD

Revenue range: 450M - 900M USD

Note: This page provides detailed data on a private equity M&A transaction. Detailed and exact financial metrics for the acquisition of THERMO FISHER MICROBIOLOGY by ASTORG are reserved for mynth community members. Register for free to unlock full data.

Authors: verified mynth contributor (mynth data is contributed by M&A / PE professionals and systematically cross-verified with private deal documents and official press releases).

Press release: view release

Acquirer: astorg