2025 BOOK OF LISTS | HARTFORDBUSINESS.COM 59
P R O F E S S I O N A L S E R V I C E S
LARGEST ACCOUNTING FIRMS IN GREATER HARTFORD
Ranked by number of CPAs in Greater Hartford
Ranked by number of CP As in Gr eater Hartford
Firm
Local CPAs/
local
employees
CT CPAs/
CT employees Primary services
Managing partner(s)/
year founded
1
Deloitte LLP and subsidiaries
185 Asylum St., Hartford 06103
860-725-3000; deloitte.com
106
400
342
1,483
Richard Tavolieri
1895
2
CohnReznick LLP
350 Church St., 12th Floor, Hartford 06103
959-200-7000; cohnreznick.com
82
223
94
261
Accounting & auditing with Sarbanes-Oxley, SEC and
corporate governance; for
planning & preparation
Melissa Ferrucci
1919
3
Marcum LLP (1)
185 Asylum St., 25th Floor, Hartford 06103
860-760-0600; marcumllp.com
77
110
161
307
Tax, assurance and advisory
Michael K. Brooder
1961
4
CLA (CliftonLarsonAllen)
29 South Main St., West Hartford 06107
860-561-4000; CLAconnect.com
76
196
96
283
Wealth advisory, digital, audit, tax, consulting and outsourcing
services
(2)
Tim Warren
1980
5
KPMG LLP
755 Main St., Hartford 06103
860-522-3200; KPMG.com
72
182
179
541
Audit, tax and advisory
Susan Jackson
(3)
1897
6
Whittlesey
280 Trumbull St., 24th Floor, Hartford 06103
860-522-3111; WAdvising.com
70
170
70
170
Assurance & auditing, tax planning and consulting, outsourced
client accounting services, advisory, technology and cyber
security
Drew Andrews
1961
7
Ernst & Young LLP
20 Church St., Hartford 06103
860-247-3100; ey.com
69
(4)
252 (4)
266 (4)
702 (4)
Audit, assurance and consulting services, federal, state and
international tax, strategy & transaction advisory, due diligence,
risk advisory
Sean Riegler
1918
8
Fiondella, Milone & LaSaracina LLP | FML CPAs (5)
300 Winding Brook Drive, Glastonbury 06033
860-657-3651; fmlcpas.com
40
108
40
122
Tax, assurance, advisory & transaction services with Sarbanes-
Oxley
(6)
Jeff Fiondella
2002
9
Mahoney Sabol & Co. LLP (7)
180 Glastonbury Blvd., Suite 400, Glastonbury 06033
860-541-2000; mahoneysabol.com
33
66
33
66
Attest, tax and consulting services to public and private
construction, real estate, manufacturing, energy, not-for-pr
and government
James M. Mahoney
1990
10
RSM US LLP
225 Asylum St., 23r , Hartford 06103
959-666-3400; rsmus.com
29
91
71
364
Assurance, tax and consulting
Susan Martinelli
1926
11
Grant Thornton
90 State House Square, 10th Floor, Hartford 06103
860-781-6700; grantthornton.com
24
68
24
68
Accounting, audit, tax, advisory
Dana Wilson
1924
12
UHY
6 Executive Drive, Suite 111, Farmington 06032
860-676-9020; uhy-us.com
16
28
17
30
Accounting, audit, tax pr
high net worth, trust and estate, cannabis
John Salemi
Stacy Farber
2000
13
Crowe LLP
62 Memorial Road, Suite 100, West Hartford 06107
860-678-9200; crowe.com
15
29
20
29
Audit, tax, consulting and applied technology
Joe Pieksza
1999
(8)
14
PC
314 Farmington Ave., Farmington 06032
860-677-9188;
13 (4)
30 (4)
13 (4)
30 (4)
Accounting and audit, compilations and reviews, tax services
and more to individuals, trusts & estates and private
companies
David Oleasz
W. Scott Goetjen
1979
15
Gitlin & Co. LLC (9)
836 Farmington Ave., Suite 221, West Hartford 06119
860-236-5833; gc-cpas.com
13
26
13
26
Tax, audit and advisory for closely held companies and
individuals
Salvatore Giuliano
1952
16
Guilmartin, DiPiro & Sokolowski LLC
505 Main St., Middletown 06457
860-347-5689; gdscpas.com
13
25
13
25
Tax, accounting and audit to individuals, businesses and not-
for-pr
ganizations
Christopher Conley
Teresa Opalacz
Rick Morin
Michael Kovaleski
Dylan Stumpf
1972
17
Nicola, Yester & Co. PC
223 Eastern Blvd., Glastonbury 06033
860-633-1194; nicola-yester.com
12
24
12
24
Accounting, audit and more for manufacturing and
Steven V. Prigionieri
1986
