Top firms grow their share of public audits |
The leading auditing firms grew their share of public audits in 2021, according to Audit Analytics. The group's annual Who Audits Public Companies report revealed that the 10 firms with the most public company audit clients - the Big Four, Grant Thornton, BDO USA, RSM US, Marcum, Withum and BF Borgers - accounted for 68.8% of the total market, up from 66.8% in 2020; they audited 4,578 registrants, versus 4,030 in 2020. Almost all of the auditors in the top 10 increased their number of clients, but the biggest jump, proportionally, was at BF Borgers, which climbed from 133 to 169, and increased its share of the overall market from 2.2% to 2.5%.