Grant Thornton Set to Buy CBIZ for $5 Billion, Become 5th-Largest Firm in U.S.
Grant Thornton Advisors plans to buy CBIZ in an all-cash deal valued at $5 billion, backed by New Mountain Capital. CBIZ shareholders would receive $55 per share, a ~54% premium to the 30-day VWAP. The deal is expected to close in Q4 2026, subject to approvals. CBIZ stock will delist from NYSE.
How this was made
The 30-second read
Why it matters
The definitive merger agreement at $55 per share (about 54% premium to the 30-day VWAP and 17.8% to the last close) is the primary new trading input, shifting CBIZ from standalone public-company risk to deal-completion risk.
Market read
This is a definitive, premium all-cash takeout with a stated offer price, expected close window, and go-shop period, making it actionable for deal-spread and event-risk positioning.
What to watch
The article notes a planned separation of CBIZ’s Benefits and Insurance Services segment into a new stand-alone company, which could create additional execution risk or valuation debate for parts of the target’s business.
Background
CBIZ is described as the only publicly traded accounting services provider in the U.S., and it previously acquired Marcum in a cash-and-stock deal valued around $2.3B.
Ticker impact
CBIZ agreed to be acquired in an all-cash $5B deal at $55 per share, with NYSE listing to cease after closing.
Near-term price should track the offer premium and deal-spread dynamics; volatility likely around shareholder/regulatory milestones and any go-shop outcomes.
The article discloses the definitive merger terms (cash price, premium, expected Q4 2026 close, shareholder/regulatory approvals, go-shop window) which directly drive deal-spread behavior for the target.
Market effects
Signals continued consolidation in public accounting, potentially intensifying competitive pressure on other mid-tier firms’ advisory and audit offerings.
US-focused consolidation that reshapes rankings and scale among large accounting providers.
Expands Grant Thornton’s multinational footprint via CBIZ’s platform, potentially affecting cross-border advisory competition.
Counterpoint
Deal-spread trades can underperform if regulatory clearance or shareholder approval faces delays or if a superior proposal emerges during the go-shop period.
Key entities
- public_companyCBIZ
Target in an all-cash acquisition by Grant Thornton Advisors, with $55/share offer and expected delisting after closing.
- acquirerGrant Thornton Advisors
Announced acquisition of CBIZ for an enterprise value of $5B, expected to close in Q4 2026.
- private_equityNew Mountain Capital
Backs the transaction and has owned a majority stake in Grant Thornton since 2024.
