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

1696

Avg engagements

22.3

Mean engagements per firm

Top firm

WithumSmith+Brown

654 engagements

#	Auditor	Engagements	Variants
1	WithumSmith+Brown(7 name variants)	654	7
2	Marcum LLP(6 name variants)	625	6
3	MaloneBailey(5 name variants)	56	5
4	BDO(6 name variants)	35	6
5	UHY LLP(2 name variants)	33	2
6	Rothstein Kass(6 name variants)	31	6
7	Friedman LLP	28	1
8	CBIZ CPAs P.C.	25	1
9	Grant Thornton	24	1
10	Adeptus Partners, LLC(2 name variants)	21	2
11	KPMG(2 name variants)	13	2
12	Guangdong Prouden CPAs GP	12	1
13	Goldstein Golub Kessler LLP	12	1
14	Ernst & Young	10	1
15	PricewaterhouseCoopers(3 name variants)	8	3
16	WWC, P.C.	7	1
17	Deloitte(2 name variants)	5	2
18	Fruci & Associates II, PLLC	4	1
19	Frank, Rimerman + Co. LLP	4	1
20	Audit Alliance LLP	4	1
21	McGladrey & Pullen, LLP	3	1
22	M&K CPAS, PLLC	3	1
23	Simon & Edward(2 name variants)	3	2
24	RBSM LLP	3	1
25	Kreit & Chiu CPA(2 name variants)	3	2
26	Sam Kan & Company	3	1
27	YCM CPA INC.	3	1
28	Citrin Cooperman & Company, LLP	3	1
29	Elliott Davis, PLLC	3	1
30	Eisner LLP	2	1
31	Pipara & Co LLP	2	1
32	KNAV CPA LLP	2	1
33	AssentSure PAC(2 name variants)	2	2
34	TAAD LLP(2 name variants)	2	2
35	BF Borgers CPA(2 name variants)	2	2
36	Miller Ellin & Company(2 name variants)	2	2
37	Amper, Politziner & Mattia, P.C.	2	1
38	GuzmanGray	2	1
39	HYYH CPA. LLC	2	1
40	Enrome LLP	2	1
41	Wolf & Company, P.C.	1	1
42	The Pun Group LLP	1	1
43	Fortune CPA, Inc.	1	1
44	Raich Ende Malter & Co. LLP	1	1
45	Ehrhardt Keefe Steiner & Hottman PC	1	1
46	Aloba, Awomolo & Partners	1	1
47	Astra Audit & Advisory, LLC	1	1
48	Briggs & Veselka Co.	1	1
49	HORNE LLP	1	1
50	Busch & Associates CPA	1	1
51	RubinBrown LLP	1	1
52	Hacker, Johnson & Smith PA	1	1
53	Berkower LLC	1	1
54	LaRue, Corrigan & McCormick LLP	1	1
55	Felix CPAs LLC	1	1
56	Mazars USA LLP	1	1
57	Mayer Hoffman McCann P.C.	1	1
58	Grassi & Co., CPAs, P.C.	1	1
59	RSM US	1	1
60	Crowe Horwath LLP	1	1
61	Plante & Moran, PLLC	1	1
62	Rotenberg Meril Solomon Bertiger & Guttilla, P.C.	1	1
63	e-Fang Accountancy Corp., & CPA	1	1
64	Marcum & Kliegman, LLP	1	1
65	Anton & Chia, LLP	1	1
66	Beard Miller Company LLP	1	1
67	BPM LLP	1	1
68	Michael F. Cronin CPA	1	1
69	Ham, Langston & Brezina, L.L.P.	1	1
70	M&K CPAS, PLLC and TAAD, LLP	1	1
71	EC Barrett, LLC	1	1
72	Kesselman & Kesselman	1	1
73	Barton CPA PLLC	1	1
74	Sadler, Gibb & Associates, LLC	1	1
75	Golden Ocean FAC PAC	1	1
76	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.