wbjournal.com | September 8, 2025 | Worcester Business Journal 17
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Largest accounting firms
Ranked by number of local staff
Firm
Local staff/
total staff
Local CPAs/
total CPAs
Local offices/
total offices Managing partner(s) Year founded
1
AAFCPAs
50 Washington St., Westborough 01581
508-366-9100 • aafcpa.com
193
367
52
97
1
2
Carla M. McCall
managing partner
1973
2
Stowe & Degon LLC
95A Turnpike Road, Westborough 01581
508-983-6700 • stowedegon.com
52
52
24
24
1
1
Michael D. Stowe
David C. Degon
co-managing partners
1997
3
Bollus Lynch LLP
89 Shrewsbury St., Worcester 01604
508-755-7107 • bolluslynch.com
36
36
18
18
1
1
Michael J. Bollus
managing partner
1989
4
Greenberg, Rosenblatt, Kull & Bitsoli PC
306 Main St., Suite 400, Worcester 01608
508-791-0901 • grkb.com
33
33
19
19
1
1
Norman Bitsoli
president
1921
5
Citrin Cooperman (1)
100 Front St., 16th Floor, Worcester 01608
508-757-3311 • citrincooperman.com
30
3,027
13
919
1
28
Alan Badey
CEO
1979
6
UHY Advisors (2)
14 W. Plain St., Wayland 01778
508-650-1122 • uhy-us.com
28
1,892
17
614
1
40
Michael Okenquist
David Lorenzi
office managing partners
1987
7
McLaren & Associates CPAs PC
385 South St., Shrewsbury 01545
508-842-0459 • dmclarencpa.com
26
27
3
3
1
2
David Scott McLaren
founder & managing partner
2005
8
O'Connor, Maloney & Co. PC
1 Mercantile St., Suite 760, Worcester 01608
508-757-6391 • oconnormaloney.com
19
19
11
11
1
1
Steven A. Thebodo
managing partner
1919
9
CLA (CliftonLarsonAllen)
100 Front St., Worcester 01608
508-713-6900 • claconnect.com
17
8,299
9
3,036
1
130
Jill Bosco
managing principal office
1960
10
Alario & Associates PC
75 N. Main St., Leominster 01453
978-534-1999 • alariocpa.com
16
16
6
6
2
2
Robert C. Alario
president
1954
10
Spinelli CPA PC
146 W. Boylston Drive, Suite 302, Worcester 01606
508-365-6522 • spinellicpa.com
16
16
5
5
2
2
Karen J. Spinelli
founder & CPA
2018
12
Reagan & Co. PC
98 Adams St., Suite 101, Leominster 01453
978-534-4095 • reaganandcompany.com
15
15
8
8
1
1
Darlene M. Murphy
president
1950
12
Smith, Sullivan & Brown PC
80 Flanders Road, Westborough 01581
508-871-7178 • ssbcpa.com
15
21
8
12
1
1
Linda M. Smith
managing partner
(3)
Juliana Caruso
principal
1993
14
Cerrone Graham & Shepherd PC
370 Main St., Suite 750, Worcester 01608
508-754-8512 • cgscpas.com
12
12
4
4
1
1
Paul A. Cerrone
managing partner
2013
15
Bisceglia, Steiman & Fudeman LLP
339 Main St., Suite 110, Worcester 01608
508-799-2491 • bsfcpas.com
10
10
4
4
2
2
Robert H. Thompson
managing partner
1997
16
Griffin & Co. PC
One Cabot Road, Suite 260, Hudson 01749
508-752-8160 • griffincpas.com
8
8
4
4
1
1
David E. Griffin
James E. Griffin Jr.
co-managing partners
1947
17
Zack & Co. PC
5 Commonwealth Road, Natick 01760
508-651-1313 • cpatax.com
3
4
1
2
1
1
Michael Zack
CPA
1993
Source: Each firm via survey as of Q2 2025. Notes: N/A=not available. Unable to confirm data by press time for Worcester's Jaffe, Yaffe & Feingold PC or Framingham's Sanchez and Santiago CPAs.
(1) S&G LLP was acquired by New York-based Citrin Cooperman Advisors in July 2024.
(2) Paresky Flitt & Co. LLP was acquired by Connecticut-based UHY in January.
(3) Additional leadership includes partners Sandy Brown and Maureen Sullivan.
-Compiled by: Stephanie R. Meagher, research@nebusinessmedia.com
