SPAC Auditors

Every audit firm that has filed on a SPAC — ranked by total engagements, with variant names resolved from SEC filings.

Audit firms

Total engagements

1640

Avg engagements

22.2

Mean engagements per firm

Top firm

WithumSmith+Brown

642 engagements

#	Auditor	Engagements	Variants
1	WithumSmith+Brown(7 name variants)	642	7
2	Marcum LLP(6 name variants)	620	6
3	MaloneBailey(5 name variants)	56	5
4	BDO(6 name variants)	33	6
5	UHY LLP(2 name variants)	32	2
6	Rothstein Kass(6 name variants)	28	6
7	Friedman LLP	28	1
8	CBIZ CPAs P.C.	22	1
9	Adeptus Partners, LLC(2 name variants)	21	2
10	Grant Thornton	20	1
11	Guangdong Prouden CPAs GP	11	1
12	Goldstein Golub Kessler LLP	10	1
13	KPMG(2 name variants)	7	2
14	WWC, P.C.	7	1
15	PricewaterhouseCoopers(2 name variants)	6	2
16	Fruci & Associates II, PLLC	4	1
17	Frank, Rimerman + Co. LLP	4	1
18	Audit Alliance LLP	4	1
19	McGladrey & Pullen, LLP	3	1
20	Simon & Edward(2 name variants)	3	2
21	RBSM LLP	3	1
22	Kreit & Chiu CPA(2 name variants)	3	2
23	Sam Kan & Company	3	1
24	YCM CPA INC.	3	1
25	Citrin Cooperman & Company, LLP	3	1
26	Ernst & Young	3	1
27	Elliott Davis, PLLC	3	1
28	Deloitte(2 name variants)	3	2
29	Eisner LLP	2	1
30	M&K CPAS, PLLC	2	1
31	KNAV CPA LLP	2	1
32	AssentSure PAC(2 name variants)	2	2
33	BF Borgers CPA(2 name variants)	2	2
34	Miller Ellin & Company(2 name variants)	2	2
35	Amper, Politziner & Mattia, P.C.	2	1
36	HYYH CPA. LLC	2	1
37	Enrome LLP	2	1
38	Wolf & Company, P.C.	1	1
39	The Pun Group LLP	1	1
40	Fortune CPA, Inc.	1	1
41	Raich Ende Malter & Co. LLP	1	1
42	Aloba, Awomolo & Partners	1	1
43	Ehrhardt Keefe Steiner & Hottman PC	1	1
44	Astra Audit & Advisory, LLC	1	1
45	Pipara & Co LLP	1	1
46	Briggs & Veselka Co.	1	1
47	HORNE LLP	1	1
48	Busch & Associates CPA	1	1
49	RubinBrown LLP	1	1
50	Hacker, Johnson & Smith PA	1	1
51	Berkower LLC	1	1
52	LaRue, Corrigan & McCormick LLP	1	1
53	Felix CPAs LLC	1	1
54	Mazars USA LLP	1	1
55	Mayer Hoffman McCann P.C.	1	1
56	TAAD, LLP	1	1
57	Grassi & Co., CPAs, P.C.	1	1
58	RSM US	1	1
59	Plante & Moran, PLLC	1	1
60	Rotenberg Meril Solomon Bertiger & Guttilla, P.C.	1	1
61	e-Fang Accountancy Corp., & CPA	1	1
62	Marcum & Kliegman, LLP	1	1
63	Anton & Chia, LLP	1	1
64	Beard Miller Company LLP	1	1
65	BPM LLP	1	1
66	Michael F. Cronin CPA	1	1
67	GuzmanGray	1	1
68	Ham, Langston & Brezina, L.L.P.	1	1
69	Kesselman & Kesselman	1	1
70	EC Barrett, LLC	1	1
71	Barton CPA PLLC	1	1
72	Sadler, Gibb & Associates, LLC	1	1
73	Golden Ocean FAC PAC	1	1
74	Stephano Slack LLC	1	1

Auditor names are extracted from SEC filings and normalized — variant spellings (e.g. "Marcum LLP", "Marcum & Kliegman LLP") are grouped under one canonical firm. Engagement count reflects total SPACs where the firm appears as auditor across all statuses.