Dohmen has acquired nine companies since 2009. They are:
- Centric Health Resources in Chesterfield, Mo.
- Reglera in Wheat Ridge, Colo.
- MedComm Solutions LLC in Emeryville, Calif.
- BioSoteria Inc. in Emeryville, Calif.
- ChemWare LLC in Raleigh, N.C.
- Red Arrow Labs in Milwaukee
- Siren Interactive Corp. in Chicago
Dohmen also purchased PlanIT Inc. in Germantown and Clinical Path Consulting LLC in Milwaukee, but later sold them.