. . . Exhibit 21.1 SUBSIDIARY COMPANIES OF CENTURY BUSINESS SERVICES, INC. STATE OF COMPANY NAME INCORPORATION --------------------------------------------------------------------- -------------------------------- 1 Benmark, Inc. Georgia 2 CBIZ Accounting, Tax & Advisory of Atlanta, Inc. Ohio 3 CBIZ Accounting, Tax & Advisory of Bethesda, Inc. Ohio 4 CBIZ Accounting, Tax & Advisory of Boca Raton, Inc. Ohio 5 CBIZ Accounting, Tax & Advisory of Central Ohio, Inc. Ohio 6 CBIZ Accounting, Tax & Advisory of Chicago, Inc. Ohio 7 CBIZ Accounting, Tax & Advisory of Cleveland, Inc. Ohio 8 CBIZ Accounting, Tax & Advisory of Colorado, Inc. Ohio 9 CBIZ Accounting, Tax & Advisory of Columbia, Inc. Ohio 10 CBIZ Accounting, Tax & Advisory of Cumberland, Inc. Ohio 11 CBIZ Accounting, Tax & Advisory of Kansas City, Inc. Ohio 12 CBIZ Accounting, Tax & Advisory of New York, Inc. Ohio 13 CBIZ Accounting, Tax & Advisory of Northeast Ohio, Inc. Ohio 14 CBIZ Accounting, Tax & Advisory of Northern California, Inc. Ohio 15 CBIZ Accounting, Tax & Advisory of Orange County, Inc. Ohio 16 CBIZ Accounting, Tax & Advisory of Topeka, Inc. Ohio 17 CBIZ Accounting, Tax & Advisory of Wichita, Inc. Ohio 18 CBIZ Accounting, Tax & Advisory, Inc. Ohio 19 CBIZ Actuarial & Benefit Consultants, Inc. Ohio 20 CBIZ Beatty Satchell Business Services, Inc. Maryland 21 CBIZ Benefits & Insurance Services, Inc. Missouri 22 CBIZ Business Services, Inc. Ohio 23 CBIZ Business Solutions of St. Louis, Inc. Ohio 24 CBIZ BVKT Business Services, Inc. Ohio 25 CBIZ e-Solutions, Inc. Ontario 26 CBIZ Financial Solutions, Inc. Ohio 27 CBIZ FPG Business Services, Inc. Ohio 28 CBIZ Gibraltar Real Estate Services Corporation Illinois 29 CBIZ Harborview, Inc. Ohio 30 CBIZ Insurance Services, Inc. Maryland 31 CBIZ KA Consulting Services, Inc. Ohio 32 CBIZ Kessler Government Relations, Inc. Ohio 33 CBIZ M & S Consulting Services, Inc. Ohio 34 CBIZ M. T. Donahoe & Associates, Inc. Ohio 35 CBIZ McClain Accounting, Tax & Advisory, Inc. Ohio 36 CBIZ Medical Management Professionals, Inc. Ohio 37 CBIZ Mergers & Acquisitions Group, Inc. Illinois 38 CBIZ Miller Wagner, Inc. Ohio 39 CBIZ Nemphos, Weber Business Services, Inc. Ohio 40 CBIZ Network Solutions, Inc. Ohio 41 CBIZ Philip-Rae Business Services, Inc. Ohio 42 CBIZ Property Tax Solutions, Inc. Ohio 43 CBIZ Retirement Consulting, Inc. Ohio 44 CBIZ SK&B Business Solutions, Inc. Ohio 45 CBIZ Southern California, Inc. Ohio 46 CBIZ Special Risk Insurance Services, Inc. Ohio 47 CBIZ Tax & Advisory of Nebraska, Inc, Ohio 48 CBIZ Technologies, Inc. Ohio 49 CBIZ Trilinc Consulting, Inc. Ohio STATE OF COMPANY NAME INCORPORATION --------------------------------------------------------------------- -------------------------------- 50 CBIZ Valuation Group, Inc. Ohio 51 CBIZ Vine Street Holding Corp. Ohio 52 CBIZ Western Kansas, Inc. Ohio 53 CBIZ Worksite Services, Inc. Missouri 54 CBSI Management Co. Ohio 55 DP & Co. Business Services, Inc. Ohio 56 Findaly Professional Ancillary Services II, Inc. Ohio 57 G & C Business Services, Inc. Ohio 58 Government Employee Benefits Corporation of Georgia Georgia 59 MHM Resources, Inc. Ohio 60 Moore, Tyler & Company, Inc. Ohio 61 MRP Business Solutions Group, Inc. Ohio 62 SLW Business Services, Inc. Ohio 63 Varney Business Services, Inc. Ohio 64 WC & M Business Services, Inc. Ohio