- The Social Plus Acquisitions
- The Social Science Acquired By Opyl
- The Social Shake-Up Acquired By Access Intelligence
- The Society of Plastics Engineers Acquisitions
- The Soda Shop Acquired By Four Foods Group
- The Sol Group Acquired By Parkland
- The Solas Group Acquired By EverTrue
- The Somers-Pardue Agency Acquired By First Southeast Insurance Services
- The Sommelier Acquired By Vintage Wine Estates
- The Sophic Group Acquired By Improving Holdings
- The Source Group Acquired By Apex Companies
- The South China Morning Post Publishers Acquired By Alibaba Group Holding
- The South Financial Group Acquisitions
- The South Florida Digital Alliance Acquisitions
- The South Florida Digital Alliance - Service Provider Division Acquired By Cloud Computing Concepts
- The Southcoast Autism Center Acquired By The Stepping Stones Group
- The Southeastern Trust Acquired By Truist Financial
- The Southern Acquired By StationServ Holdings
- The Southern Company of North Little Rock Acquired By SPATCO Energy Solutions
- The Sovereign at Overland Park Acquired By Sherman Residential
- The Space Entertainment Acquired By Vue Entertainment
- The Spancrete Group Acquisitions
- The SPAR Group Acquisitions
- The SPARK Programs Acquisitions
- The Spartan Group LLC
- The Specialist Hire Group Acquired By Doosan Industrial Vehicle UK
- The Specials Laboratory Acquired By Professional Compounding Centers of America
- The Spectranetics Acquisitions
- The Speech Pathology Group Acquisitions
- The Speedwash Acquired By Mister Car Wash
- The Spencer Turbine Acquisitions
- The SPI Group Acquired By Ruder Finn Group
- The Spic And Span Acquired By Prestige Consumer Healthcare
- The Spicers-OfficeTeam Acquisitions
- The Spofford Group Insurance Brokerage Acquired By HUB International
- The SPOKE Agency Acquired By Dentsu Aegis Network
- The Sports Authority Acquisitions
- The Sports Drop Acquired By Playmaker Capital
- The Sports Network Acquired By Stats
- The Sportsman Channel Acquired By InterMedia Outdoors
