BDO USA
BDO USA is a top-five US professional services firm providing audit, tax, and advisory services to middle-market and enterprise clients across all major industries, with 14,000+ professionals in 85+ US offices and $3.2B+ in annual revenue. It is the US member of BDO International.
- Company typePrivate
- Founded1912
- HeadquartersChicago, United States
- Headcount5,001–10,000
- GTM typeB2B
- OfferingServices
What BDO USA does
BDO USA, P.C. is the US member firm of the BDO International network and one of the largest professional services organizations in the United States, providing assurance (audit), tax, and advisory services to middle-market companies, large enterprises, and government entities across all major industries. Founded in 1912 and headquartered in Chicago (with a national headquarters cited in Charlotte), the firm operates from more than 85 US offices with over 14,000 professionals and reports annual revenue exceeding $3.2 billion. The firm is structured as an Employee Stock Ownership Plan (ESOP) company, giving employees beneficial ownership, and it is a privately held professional corporation incorporated in Virginia.
The firm's service portfolio spans the full professional services stack: Audit & Assurance (including employee benefit plan audits, technology risk assurance, SOC examinations, and outsourced finance); Tax (corporate, international, transfer pricing, state and local, partnership, and tax automation); and Advisory (M&A and transaction advisory, valuation, forensics, restructuring, investment banking, management consulting, people strategy, and privacy/data protection). Industry specialty practices include Healthcare & Life Sciences, Government Services, Manufacturing, Financial Services, Nonprofits, Real Estate & Construction, Technology, and Private Equity. Technology-enabled services are concentrated under BDO Digital, which provides artificial intelligence, cybersecurity, data analytics, cloud infrastructure, ERP consulting, and digital strategy.
BDO's core proprietary technology is Chat BDO, a generative AI platform developed in collaboration with Microsoft using OpenAI's GPT models on Microsoft Azure infrastructure, deployed internally across all 14,000+ professionals for document processing, research, and report drafting. The firm supplements this with third-party AI integrations including MindBridge AI for audit analytics, AlphaSense for research intelligence, and Everlaw for legal/e-discovery, governed by a Responsible AI Governance Framework. The firm has committed over $1 billion globally to AI investment over five years and operates an AI Ambassadors program across business units. The firm is privately held (no public ticker), generates revenue through engagement-based professional services billing on multi-year contracts, and distributes services through direct relationship-based engagement across its national office network, supplemented by international reach through the BDO International network spanning more than 160 countries.
BDO USA firmographics
Firmographics- Name
- BDO USA
- Legal name
- BDO USA, P.C.
- Website
- https://bdo.com
- Company type
- Private
- Founded year
- 1912
- Operating status
- Operating
- Headcount range
- 5,001–10,000 employees
- Short description
- BDO USA is a top-five US professional services firm providing audit, tax, and advisory services to middle-market and enterprise clients across all major industries, with 14,000+ professionals in 85+ US offices and $3.2B+ in annual revenue. It is the US member of BDO International.
- Ownership category
- akta.pro rank
Where BDO USA is headquartered
LocationHeadquarters
- HQ city
- Chicago
- HQ country
- United States
- HQ region
- North America
Offices8 records
Markets served
BDO USA business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure, Others
Revenue model
- Audit and Assurance Services: Traditional audit and attestation services providing independent examination of financial statements and internal controls for clients.
- Tax Services: Tax compliance, advisory, and planning services including tax return preparation, transfer pricing, tax controversy, and international tax consulting.
- Advisory/Consulting Services: Advisory services spanning business consulting, transaction advisory, valuation, forensic accounting, restructuring, and digital transformation consulting.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom engagement-based pricing |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
BDO USA product offering
Product offeringCore offering
BDO USA provides assurance (audit and attestation), tax (compliance, planning, controversy, and international tax), and advisory (consulting, transaction advisory, valuation, forensics, restructuring, and digital transformation) services primarily to middle-market and large enterprise clients. The firm also operates BDO Digital for technology-enabled services including AI, cybersecurity, ERP, and data analytics, and BDO Government Services for federal program consulting.
Product overview
BDO USA is a professional services firm offering a comprehensive portfolio of assurance, tax, and advisory services to middle-market clients. The firm's technology-enabled offerings are organized under BDO Digital, which provides artificial intelligence, business applications, cloud infrastructure, cybersecurity, data analytics, digital managed services, digital strategy, and enterprise resource planning consulting. Key AI-powered products include Chat BDO, a proprietary GenAI platform developed with Microsoft using OpenAI's GPT models, and various specialized consulting practices. BDO also operates industry-specific practices including Government Services (including BDO Government Services LLC subsidiary), Healthcare & Life Sciences, and Sustainability/ESG services.
Differentiator
Problem solved
Functional benefit
Brands
- BDO Digital: Technology and digital transformation services including AI, cloud, cybersecurity, and data analytics.
- BDO Government Services
Products and services
- Audit & Assurance
Quantifiable outcome
- Fortune 100 Best Companies to Work For — named to list for 2025 and 2026
Companies that use BDO USA
Customer profileNamed customers1 record
Segments9 records
Ideal customer profiles4 records
BDO USA technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration6 records
AI capability9 records
Feature2 records
BDO USA partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core, flagship and minor.
- MicrosoftcoreStrategic partnership to deploy Microsoft's AI and cloud technology across BDO's professional services. BDO developed its proprietary generative AI platform 'Chat BDO' leveraging Microsoft Azure cloud infrastructure and OpenAI technology to enhance service delivery for the firm's over 14,000 professionals serving clients across the US.
- LPGAflagshipBDO USA serves as the Official Tax and Audit Partner of the LPGA (Ladies Professional Golf Association), providing tax and audit services to the organization and leveraging the partnership for brand visibility at LPGA events across the country.
- Big Brothers Big Sisters of AmericaminorBDO USA partners with Big Brothers Big Sisters of America as a corporate cause partner, supporting the organization's mission through charitable giving and employee volunteerism.
- Epic SystemscoreBDO partners with Epic Systems, a leading healthcare technology company, to provide specialized audit, tax, and advisory services to healthcare organizations that utilize Epic's electronic health records platform.
- Juncos Hollinger RacingminorBDO USA partners with Juncos Hollinger Racing, an IndyCar Series team, for brand exposure and marketing visibility in the motorsports space.
- ARCH RacingminorPartnership with ARCH Racing involving AI-powered race intelligence, leveraging BDO's technology capabilities and analytics expertise in a motorsports context.
- Billy HorschelminorPGA Tour winner Billy Horschel serves as a brand ambassador for BDO USA, representing the firm at professional golf events and corporate engagement activities.
- Albane ValenzuelaminorProfessional golfer Albane Valenzuela serves as a brand ambassador for BDO USA, representing the firm at professional golf events and corporate engagement activities.
Scale indicators5 records
Recent moves7 records
Expansion highlights7 records
BDO USA competitors and assessment
Company assessmentBroad incumbents
- Deloitte: One of the Big Four global professional services firms offering audit, tax, advisory, and consulting. Direct competitor to BDO USA across enterprise and middle-market assurance and advisory engagements, with deeper international reach and larger enterprise client base.
- PwC: One of the Big Four global professional services firms providing audit, tax, and advisory services. Directly competes with BDO USA for middle-market assurance and tax engagements and is a destination for clients graduating upmarket from BDO's core segment.
- Ernst & Young (EY): One of the Big Four global professional services firms. Competes with BDO USA across audit, tax, and advisory, with overlapping middle-market practices and stronger enterprise and international capabilities.
- KPMG: One of the Big Four global professional services firms providing audit, tax, and advisory services. A direct competitor to BDO USA particularly in middle-market audit and tax engagements, with a comparable industry-specialized service model.
Direct peers
- RSM US: Leading US middle-market audit, tax, and consulting firm. The closest direct peer to BDO USA in size, middle-market focus, and integrated service model, and a primary competitor for privately held and PE-backed clients.
- Grant Thornton: US-focused accounting and advisory firm serving middle-market and privately held businesses. Direct peer to BDO USA in audit, tax, and advisory services with similar industry-specialized practices and PE-backed client focus.
- CliftonLarsonAllen (CLA): Top-10 US accounting firm serving middle-market companies with audit, tax, advisory, and wealth services. A direct mid-market peer to BDO USA, particularly competitive in healthcare, manufacturing, and private client services.
- Baker Tilly US: US advisory, tax, and assurance firm serving middle-market clients across multiple industries. Direct peer to BDO USA in size, service mix, and middle-market positioning with comparable industry-specialized practices.
- Crowe LLP: US public accounting and consulting firm providing audit, tax, advisory, and risk services. Comparable mid-market peer to BDO USA with overlapping industry verticals and similar advisory growth ambitions.
- Marcum LLP: Top-20 US accounting and advisory firm serving middle-market, PE-backed, and high-net-worth clients. Direct peer to BDO USA in audit, tax, and advisory with particularly strong overlap in private equity services.
Market position
Strengths4 records
Weaknesses3 records
Competitive moat6 records
Key risks5 records
Key highlights6 records
Customer concentration
BDO USA social profiles
Digital presenceBDO USA compliance and trust
Trust signalCompliance3 records
BDO USA financial estimates
Financial estimateRevenue estimate
Valuation estimate
BDO USA leadership team
Management profileNumber of profiles
Profiles18 records
BDO USA subsidiaries and ownership
Company hierarchySubsidiaries3 records
BDO USA funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
BDO USA M&A and investment
M&A and investmentM&A7 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about BDO USA
What does BDO USA do?
BDO USA provides assurance (audit and attestation), tax (compliance, planning, controversy, and international tax), and advisory (consulting, transaction advisory, valuation, forensics, restructuring, and digital transformation) services primarily to middle-market and large enterprise clients. The firm also operates BDO Digital for technology-enabled services including AI, cybersecurity, ERP, and data analytics, and BDO Government Services for federal program consulting.
Is BDO USA a public or private company?
BDO USA is a private company. It is classified as management employee owned and is currently operating.
When was BDO USA founded?
BDO USA was founded in 1912. It employs 5,001 to 10,000 people.
Where is BDO USA based?
BDO USA is headquartered in Chicago, United States, in the North America region.
How does BDO USA make money?
Three revenue lines are on record. Audit and Assurance Services are the primary driver. The others are tax Services and advisory/Consulting Services.
Who are BDO USA's main competitors?
Broad incumbents on record are Deloitte, PwC, Ernst & Young (EY) and KPMG. Direct peers are RSM US, Grant Thornton, CliftonLarsonAllen (CLA), Baker Tilly US, Crowe LLP and Marcum LLP.
Does BDO USA have an API?
No public API is recorded for BDO USA.