Merck sells its US contract manufacturing business to Swiss firm Lonza
Merck Group is selling its US CDMO business to Lonza for a mid-three-figure million-dollar sum, with the deal expected to close in mid-2027. The transaction includes five US sites and around 1,100 employees. Merck plans to focus on innovation-driven businesses under CEO Kai Beckmann.
How this was made

The 30-second read
Why it matters
The deal reshapes the US CDMO landscape, with Lonza expanding its footprint while Merck refocuses on innovation.
Market read
A material M&A transaction affecting the pharma manufacturing sector with cross‑border implications.
What to watch
Lonza's integration risk and the impact on existing customer contracts are not fully disclosed.
Background
Merck Group announced the sale of its US CDMO business to Lonza, a Swiss contract manufacturing specialist.
Market effects
Potential consolidation in the CDMO space may pressure peers' valuations.
US contract manufacturing sector sees a shift in ownership to a Swiss operator.
Highlights cross‑border M&A activity in pharma manufacturing.
Counterpoint
The divestiture could signal Merck's strategic retreat from CDMO services, possibly weakening its revenue diversification.
Key entities
- companyMerck Group
German pharmaceutical company selling its US CDMO business.
- companyLonza Group
Swiss contract manufacturing firm acquiring the CDMO sites.



