CBIZ, Inc. (NYSE: CBZ) acquisition history: 30+ accounting, tax, advisory and benefits deals from tuck-ins to the ~$2.3B Marcum LLP acquisition, all SEC-sourced.
Deal Timeline
Plotted by close date where disclosed, otherwise announcement. Select any marker to jump to the deal entry.
Three patterns run through CBIZ's acquisitions — what it looks for, how it pays, and how it folds in what it buys.
01
Acquisition criteria
Programmatic roll-up of small and midsize professional-services firms: CBIZ buys...
Programmatic roll-up of small and midsize professional-services firms: CBIZ buys the non-attest assets of local/regional accounting, tax, advisory and benefits firms, folding them into its Financial Services or Benefits & Insurance practice groups to add talent, clients and geographic reach.
Marcum LLPMarks Paneth LLPErickson, Brown & Kloster LLC (EBK)CompuDataEducational & Institutional Insurance Administrators, Inc. (EIIA)
02
Capital deployment
Structured, earnout-heavy consideration: most deals are undisclosed cash-plus-st...
Structured, earnout-heavy consideration: most deals are undisclosed cash-plus-stock tuck-ins with contingent purchase-price arrangements tied to retention and performance (e.g., Marks Paneth's up-to-$75.25M earnout), aligning sellers with post-close results.
Marcum LLPMarks Paneth LLPErickson, Brown & Kloster LLC (EBK)CompuDataEducational & Institutional Insurance Administrators, Inc. (EIIA)
03
Integration approach
Occasional platform-scale deals atop the tuck-in engine: the Marks Paneth (2022,...
Occasional platform-scale deals atop the tuck-in engine: the Marks Paneth (2022, ~$81M+) and especially Marcum (2024, ~$2.3B) acquisitions show CBIZ punctuating its steady tuck-in cadence with large, market-expanding transactions in major metros.
Marcum LLPMarks Paneth LLPErickson, Brown & Kloster LLC (EBK)CompuDataEducational & Institutional Insurance Administrators, Inc. (EIIA)
The Full Deal Book
35 acquisitions — each with the deal value, financing structure, target revenue, and executive commentary where disclosed.
01Marcum LLP$2.3B
Announced Nov 2024•Closed Nov 2024
CBIZ's largest-ever acquisition, roughly doubling the firm; brought Marcum's non-attest accounting and advisory business (with attest assets bought by affiliated CBIZ CPAs P.C.) to expand the breadth and depth of CBIZ's national professional-services portfolio. ~$2.3 billion aggregate consideration (~$1.1B cash + ~14.4M CBIZ shares); $1,997.8M total consideration recognized under ASC 805 ($1,063.0M cash + $934.7M stock, 13.6M shares).
The aggregate consideration to be paid by the Company in connection with the Transaction is approximately $2.3 billion, on a cash-free and debt-free basis... of which approximately $1.1 billion is expected to be paid in cash and the remainder is expected to be paid in approximately 14.4 million shares of the Company's Common Stock.
02Marks Paneth LLP$81.25M
Announced Jan 2022•Closed Jan 2022
Acquired substantially all of the non-attest business of New York City accounting, tax and consulting firm Marks Paneth, expanding CBIZ's Financial Services practice in the New York metro market. ~$81.25 million cash at closing (plus earnout of up to $75.25 million in cash and CBIZ stock).
The initial purchase price for the Acquisition consisted of approximately $81.25 million in cash paid at closing, subject to a customary working capital adjustment. In addition to the purchase price paid at closing, the Purchase Agreement also provides for an earnout of up to a maximum of $75.25 million.
03Erickson, Brown & Kloster LLC (EBK)Not disclosed
Announced Feb 2024•Closed Feb 2024
Colorado Springs full-range accounting, tax and financial advisory firm; added to the Financial Services practice group.
04CompuData, Inc.Not disclosed
Announced Mar 2024•Closed Mar 2024
Philadelphia technology-services provider (cloud hosting, ERP solutions, IT security and managed IT services), broadening CBIZ's technology offerings within Financial Services.
05Educational & Institutional Insurance Administrators, Inc. (EIIA)Not disclosed
Announced Jun 2024•Closed Jun 2024
Chicago provider of private higher-education insurance and risk-management programs; added to the Benefits and Insurance Services practice group.
06Hoover Financial Advisors, Inc.Not disclosed
Announced Oct 2024•Closed Oct 2024
Indianapolis financial-planning firm serving individuals, families and small businesses; added to the Benefits and Insurance Services practice group.
07Danenhauer and Danenhauer, Inc.Not disclosed
Announced Jan 2023•Closed Jan 2023
California provider of forensic accounting, business valuation and expert-witness services; part of the 2023 acquisitions that added ~$64.9M in incremental revenue.
08Somerset CPAs and AdvisorsNot disclosed
Announced Feb 2023•Closed Feb 2023
Indianapolis full-service accounting, tax and financial-advisory firm; a larger 2023 tuck-in (CBIZ recorded ~$3.4M of transaction/retention/integration costs tied to Somerset).
09Pivot Point Security (PPS)Not disclosed
Announced Jun 2023•Closed Jun 2023
Hamilton, New Jersey provider of cyber/information security and compliance services for small and middle-market businesses; added to Financial Services.
10Ickovic and Co. PCNot disclosed
Announced Jun 2023•Closed Jun 2023
Denver provider of bespoke services for high-net-worth individuals, business owners and executives; added to Financial Services.
Indianapolis full-service retirement-plan consulting and administration firm serving 1,200+ clients; added to the Benefits and Insurance Services practice group.
12Stinnett & Associates, LLCNot disclosed
Announced Jul 2022•Closed Jul 2022
Tulsa professional advisory firm and certified Women's Business Enterprise providing internal audit, SOX compliance, cybersecurity reviews and fraud investigations to Fortune 1000 and other clients; added to Financial Services.
13Middle Market Advisory Group (MMA)Not disclosed
Announced Jan 2021•Closed Jan 2021
Englewood, Colorado provider of tax compliance and consulting to middle-market companies and family groups; added to Financial Services.
14Wright Retirement Services, LLCNot disclosed
Announced Apr 2021•Closed Apr 2021
Valdosta, Georgia third-party administrator for retirement plan sponsors; added to the Benefits and Insurance practice group.
Bellevue, Washington accounting and financial-consulting firm (tax, forensic, valuation and transaction services) with construction, real estate and technology specialties; added to Financial Services.
16Schramm Health Partners, LLC (dba Optumas)Not disclosed
Announced Jun 2021•Closed Jun 2021
Scottsdale, Arizona provider of actuarial services to state government health-care agencies administering Medicaid programs; added to Financial Services.
17Shea Labagh Dobberstein (SLD)Not disclosed
Announced Sep 2021•Closed Sep 2021
San Francisco provider of accounting, tax and advisory services to privately held businesses, individuals and nonprofits; added to Financial Services.
Ewing, New Jersey provider of financial, insurance and advisory services; added to the Benefits and Insurance practice group. (2020's seven acquisitions carried ~$73.4M cash + $8.7M stock + $38.9M contingent aggregate consideration.)
26Wenner Group, LLCNot disclosed
Announced Jan 2019•Closed Jan 2019
Denver full-service accounting, tax, compliance and financial-consulting firm; added to the Financial Services practice group.
27Paydayta, Inc. (dba Paytime)Not disclosed
Announced Jul 2019•Closed Jul 2019
Ohio-based payroll-service provider; added to the Benefits and Insurance Services practice group.
28Gavion, LLCNot disclosed
Announced Jul 2019•Closed Jul 2019
Memphis registered investment advisor providing investment-consulting services to institutional clients; added to the Benefits and Insurance Services practice group.
29QBA Benefits, LLCNot disclosed
Announced Aug 2019•Closed Aug 2019
Cleveland employee-benefits agency serving small and mid-sized clients; added to the Benefits and Insurance Services practice group.
30Ericson CPAsNot disclosed
Announced Aug 2019•Closed Aug 2019
San Luis Obispo, California accounting firm providing tax compliance, consulting and planning; added to the Financial Services practice group. (2019's six deals carried ~$19.4M cash + $2.0M stock aggregate consideration.)
31Brinig Taylor Zimmer, Inc. (BTZ)Not disclosed
Announced Sep 2019•Closed Sep 2019
San Diego specialized financial-consulting firm (forensic accounting, litigation consulting and business valuation); added to the Financial Services practice group.
32LaurusNot disclosed
Announced Feb 2018•Closed Feb 2018
Denver provider of financial and accounting due-diligence and M&A advisory services; added to the Financial Services practice group.
33InRNot disclosed
Announced Apr 2018•Closed Apr 2018
Media, Pennsylvania pension consultant and investment-advisory provider for public and private clients; added to the Benefits and Insurance practice group.
34SequoiaNot disclosed
Announced Dec 2018•Closed Dec 2018
Cleveland provider of retirement-plan and advisory services; added to the Benefits and Insurance practice group. (2018's three deals carried ~$27.9M cash + $0.9M stock + $13.4M contingent aggregate consideration.)
35IDG (undisclosed Q4 2025 tuck-in)Not disclosed
Disclosed in 8-K
One business acquisition completed in Q4 2025, immaterial to the consolidated financial statements; CBIZ completed no material acquisitions in 2025 as it focused on integrating Marcum.