Assurance, tax, and advisory services that help people thrive
BDO USA is a leading provider of audit, tax, and advisory services with over 85 offices and 14,600 professionals across the US. The firm delivers insight-driven assurance including SOC reporting, helping middle-market and enterprise clients navigate regulatory and operational challenges. Rooted in a purpose-driven culture, BDO supports client growth through tailored compliance and risk management solutions.
Peer review: AICPA peer-reviewed (pass). Firm tier: Mid-tier firm.
Services: SOC 1, SOC 2 Type I, SOC 2 Type II.
Offices: New York NY; Los Angeles CA; Houston TX; Dallas TX; Atlanta GA; Tampa FL.
Industries served: Technology, Financial services, Healthcare, Manufacturing, Private equity, Government / public sector.
BDO USA provides SOC 1, SOC 2 Type 1, and SOC 2 Type 2 examinations, along with readiness assessments. The firm's assurance practice serves technology, financial services, healthcare, manufacturing, private equity, and government clients across these reporting standards.
BDO USA does not publish audit fee schedules publicly. As a national mid-tier firm, engagement costs reflect scope, industry, and organizational complexity. Ranges are not publicly disclosed; RFPs typically take 3–7 days for a quote.
Yes. BDO USA is an AICPA-accredited firm and passed its most recent peer review in November 2024 with no deficiencies noted, per the peer review report on file with the Louisiana Legislative Auditor.
BDO USA does not publish a specific typical timeline. As a national mid-tier firm with 14,600+ professionals and structured engagement processes, SOC 2 Type II engagements — including an observation period (the AICPA sets no fixed minimum; 3 months or more is common) — typically run 6–12 months end-to-end for mid-sized clients. 8–14 weeks is typical for mid-sized SaaS companies once fieldwork begins.
BDO announced a strategic relationship with Hyperproof in July 2024, and Hyperproof lists BDO in its partner directory. TrustCloud also lists BDO as an auditor in its partner directory. We found no public Vanta, Drata or Secureframe partnership for BDO USA. Checked 2026-11-04.
BDO USA's most commonly compared alternatives are Schellman, A-LIGN, and Moss Adams (now part of Baker Tilly). Schellman and A-LIGN specialize exclusively in IT audit and compliance; Moss Adams, which combined with Baker Tilly in June 2025, brings strong West Coast tech industry roots to a comparable national firm.