- Bir Bahadur Singh Sachar
- Birch Benders Acquired By Sovos Brands Intermediate
- Birch Communications Acquisitions
- Birch Communications - Cloud and Business Services Business Acquired By Fusion Telecommunications International
- Birch Creek Energy Acquisitions
- Birch Equity Partners Mergers and Acquisitions
- Birch Finance Acquired By Even Financial
- Birch Hill Equity Partners Mergers and Acquisitions
- Birch Lake Holdings Mergers and Acquisitions
- Birch Swing Capital Mergers and Acquisitions
- Birch Worldwide Acquired By E2open Parent Holdings
- BirchenallHowden Acquired By Ask4
- Birchill Exploration Acquired By TriOil Resources
- BirchStreet Systems Acquisitions
- Birchwood Best Acquired By Masonite International
- Birchwood Lighting Acquired By Leviton Manufacturing
- Bird & Bird
- Bird & Cronin Acquired By Dynatronics
- Bird & Schulte Advertising Acquired By Havas SA
- Bird Construction Acquisitions
- Bird Dog Jet Acquired By PrivateFly
- Bird Electric Enterprises Acquired By Black & Veatch
- Bird Engineering B.V. Acquired By Purac biochem BV
- Bird Home Automation Acquired By ASSA ABLOY AB
- Bird Rides Europe B.V. Acquisitions
- Bird Song Adhesives Acquired By Applied Products
- Bird Technologies Group Acquisitions
- Bird-B-Gone Acquired By Pelsis
- BirdDog Solutions Acquisitions
- BirdDogHR Acquired By Arcoro
- Birdeye Acquisitions
- Birds Eye Foods Acquired By Pinnacle Foods
- Bireme Group Pte Acquired By Atlas Copco AB
- Biren Bhansali
- Birger Nahs
- Birger Steen
- Birgi Mefar Group Acquired By Stage Capital
- Birgir Már Ragnarsson
- Birgit Ausfelder
- Birgit Besseler