Key HighlightsCBIZ shares climbed 17.67% following Grant Thornton’s announcement of a $5 billion acquisition proposal.The all-cash transaction offers $55 per share, representing a 54% premium over CBIZ’s 30-day volume-weighted average.The combined entity would rank as the fifth-largest professional services firm in the United States.Grant Thornton intends to deploy AI-powered technology across CBIZ’s operations.A go-shop provision allows CBIZ to entertain competing bids until August 27, 2026.Shares of CBIZ (CBZ) surged 17.67% to reach $54.95 following Grant Thornton Advisors’ disclosure of a $5 billion all-cash takeover proposal. The transaction prices each CBIZ share at $55, delivering a substantial premium above current market levels. Once finalized, the combination would establish the fifth-largest professional services organization in the United States.CBIZ, Inc., CBZGrant Thornton Proposes $55-Per-Share Purchase PriceGrant Thornton Advisors has reached a definitive agreement to purchase CBIZ through a deal worth $5 billion. The terms provide CBIZ stockholders with $55 in cash for each outstanding common share. This purchase price delivers approximately a 54% premium compared to CBIZ’s volume-weighted average trading price over the preceding 30 days.New Mountain Capital will contribute additional equity capital to facilitate the transaction, building on its support of Grant Thornton’s expansion strategy initiated in May 2024. The private equity investor previously backed an initiative that accelerated Grant Thornton’s domestic footprint. These new funds will finance both the acquisition and future strategic initiatives for the merged organization.CBIZ’s board of directors has unanimously endorsed the merger agreement and urged shareholders to vote in favor of the deal. Both parties anticipate completing the transaction in the fourth quarter of 2026. Finalization depends on shareholder ratification, regulatory approvals, and customary closing requirements.Merged Organization Pursues Enhanced Market PositionThis combination would establish a United States-based enterprise generating over $5 billion in domestic annual revenue. The resulting firm would become the nation’s fifth-largest provider of professional, tax, and advisory solutions. This transaction represents the most significant merger in the industry over the past quarter-century.The expanded global network would span more than 20 countries and territories following deal completion. Combined annual revenue would approach $7.5 billion, with a workforce exceeding 34,500 professionals globally. Grant Thornton anticipates the enhanced scale will bolster international service offerings and deepen specialized expertise.Grant Thornton intends to integrate its technology infrastructure throughout CBIZ’s client portfolio. The firm recently committed $1 billion toward artificial intelligence and cutting-edge technology initiatives. Consequently, the unified organization projects improvements in service quality, operational efficiency, and client engagement.Benefits Division Slated for IndependenceGrant Thornton intends to spin off CBIZ’s Benefits and Insurance Services division following deal closure. New Mountain Capital would support this unit as a standalone enterprise. The separated business would concentrate on insurance, retirement planning, payroll administration, and complementary services for its customer base.CBIZ retains the right to pursue alternative acquisition proposals during a go-shop window concluding August 27, 2026. The company’s financial advisers may actively solicit, evaluate, and discuss competing bids throughout this timeframe. CBIZ’s board maintains the authority to accept a superior offer if one emerges under specified terms within the merger agreement.Grant Thornton will assume full ownership of CBIZ upon transaction completion. CBIZ shares will subsequently cease trading and be delisted from the New York Stock Exchange. Pending closure, CBIZ will maintain its existing operational framework and public company status. The post CBIZ (CBZ) Stock Soars 17% Following $5B Grant Thornton Takeover Announcement appeared first on Blockonomi.