Complex chemistry,developed anddelivered.
Lewens Labs is a science-driven pharmaceutical company. We take technically demanding molecules from route development to reliable commercial API supply — and partner as an integrated CDMO along the way.
We are not a catalogue of commodity molecules. Lewens is built around chemistry that rewards process depth — the molecules others find difficult to make well, at scale, and on specification.
Three ways partners work with us.
Differentiated API supply
A portfolio of complex, high-value APIs supplied reliably — including second-source and long-term programmes for regulated and emerging markets.
Explore products →Process & analytical development
Route scouting, process optimisation, impurity control and analytical method development — the science that de-risks a molecule before it ever reaches a plant.
See capabilities →Integrated CDMO
Engage at any stage of the lifecycle and continue through scale-up, technology transfer and commercial manufacturing — one partner, molecule to market.
The CDMO model →Six therapeutic areas. Twelve molecules.
Rosuvastatin +1
Rosuvastatin, Ticagrelor
Endoxifen +1
Endoxifen, Relugolix
Mirabegron +2
Mirabegron, Vibegron, Silodosin
Levonadifloxacin +1
Levonadifloxacin, Omadacycline
Roxadustat +1
Roxadustat, Resmetirom
Tofacitinib
Tofacitinib
A young company, deep experience.
Note for Lewens: reactor count & collective experience shown as stated; add verified figures for customers, scientists and markets served.
Selected customers, shown with permission. Note for Lewens: replace with cleared brand logos and confirm each is approved for public display.
Have a molecule in mind?
Tell us the molecule, stage or supply requirement. Our technical and commercial teams review every enquiry and respond directly — most within two working days.
What does Lewens Labs do?
Where is Lewens Labs based?
Can Lewens be a second-source API supplier?
Discuss your project
Confidential. No obligation.