The firms, funds and institutions that set the terms in accounting firms — context, not local listings; never scored.
Accounting TodayauthorityThe main news outlet covering firm mergers, private-equity deals, technology, staffing and regulation, and publisher of the Top 100 Firms and Regional Leaders rankings that define who ranks where in the profession.
AICPA & CIMAauthoritySets the Code of Professional Conduct, the auditing and attestation standards for private-company engagements, the peer review program and the CPA Exam. The primary citable source for what a CPA may and may not claim in marketing, for independence rules, and for the definitions behind audit, review, compilation and preparation.
ApriocompetitorA fast-growing, private-equity-backed advisory-first firm with notable R&D tax credit, international tax, technology and professional-services practices. Positions itself around advisory outcomes rather than compliance deliverables, which is exactly the pitch mid-market buyers now respond to.
ArmaninocompetitorOne of the largest US firms independent of the Big Four, known for technology-sector clients, outsourced accounting and CFO services, ERP and business-application consulting, and early moves into digital assets. Competes hardest for venture-backed and SaaS clients that want software fluency alongside the audit.
Atchley & AssociatescompetitorAustin firm at 1005 La Posada Drive serving public- and private-sector clients with tax, audit and attestation, client accounting services, business consulting and a distinctive political campaign reporting practice. Typical of the local independents that compete on partner access and responsiveness.
Avalaratechnology sourceAutomated sales tax calculation, exemption certificate management, nexus tracking and return filing across thousands of US jurisdictions — the practical answer to post-Wayfair economic nexus for any client selling into multiple states.
Baker TillycompetitorTop-ten advisory CPA firm, private-equity backed, that combined with Moss Adams in 2025 to create one of the largest US practices with strong West Coast, technology, real estate and public-sector franchises. The mossadams.com brand has been retired into Baker Tilly, so legacy references should be updated.
BDO USAcompetitorTop-ten US firm and the American member of the BDO global network, with assurance, tax, advisory and BDO Digital services and a strong cross-border practice for companies with foreign parents or subsidiaries. Converted to an ESOP-owned structure, an ownership model that differentiates it from the PE-backed cohort.
BILLtechnology sourceAccounts payable and receivable automation with approval workflows and ledger sync, distributed heavily through an accountant partner channel. The standard tool for putting a real approval control into a client that has none.
Canopytechnology sourceCloud practice management with client portal, document management, time and billing, and notably IRS transcript retrieval and notice-response tooling — the platform many tax resolution and representation practices are built on.
CBIZcompetitorA publicly traded provider of accounting, tax, benefits, insurance and advisory services that became one of the largest US accounting platforms after acquiring Marcum in 2024. Attest services are delivered by an associated licensed CPA firm — the clearest example of the alternative practice structure operating at public-company scale.
Cherry Bekaert (Austin)competitorTop-25 national firm with a downtown Austin office at 221 W Sixth Street, expanded in Texas through its acquisition of Houston- and Austin-based Calvetti Ferguson — the calvettiferguson.com domain now redirects to Cherry Bekaert. Serves technology, real estate, construction, energy and private-equity-backed companies across audit, tax and advisory.
CliftonLarsonAllen (CLA)competitorOne of the largest US professional services firms, with more than 120 locations and a distinctive strategy of serving owner-managed businesses, agriculture, nonprofits, healthcare and government at national scale — the firm most likely to be competing for a local business that a boutique also wants.
CrowecompetitorTop-ten firm known for deep specialization in financial services, healthcare, public sector and manufacturing, and for productizing its expertise into software and managed services rather than selling hours alone.
Deloitte UScompetitorThe largest professional services organization in the US, spanning audit and assurance, tax, consulting and risk advisory for public companies and large private groups. Sets the expectation for technology-enabled audit and for the breadth of adjacent advisory a client can buy from one relationship.
Dexttechnology sourceReceipt, invoice and bank-statement capture with data extraction and publishing into QuickBooks, Xero and Sage. The source-document layer that determines whether a bookkeeping engagement is profitable at a fixed fee.
Drake Softwaretechnology sourceLong-standing tax compliance software with a strong following among small and independent preparers for flat-rate pricing, speed and support. Its user base is the practical definition of the low-cost end of the tax preparation market.
EY UScompetitorAssurance, tax, strategy and transactions and consulting, with a strong position in IPO readiness, complex revenue recognition and cross-border tax — the profile that matters when a venture-backed company starts planning a public exit.
FASBauthorityWrites US GAAP and maintains the Accounting Standards Codification — the source of record for ASC 606 revenue, ASC 842 leases, ASC 326 credit losses and the private-company alternatives available through the Private Company Council.
FinCEN — Beneficial Ownership InformationauthorityThe only reliable source for who must file beneficial-ownership reports under the Corporate Transparency Act and by when. Scope and deadlines changed repeatedly through 2024 and 2025, so this page — not any article about it — is what content should point clients to.
Forvis MazarscompetitorFormed in 2024 when FORVIS joined the global Mazars network, giving a top-ten US firm an integrated international platform. Strong in healthcare, financial institutions, construction and real estate, with Texas offices serving middle-market clients.
GASBauthoritySets accounting and financial reporting standards for state and local governments — the framework behind ACFRs, fund accounting and government-specific lease and subscription-based IT arrangement guidance that any municipal or school-district audit follows.
Grant Thornton AdvisorscompetitorA top-ten US firm serving dynamic mid-market and public companies through audit, tax and advisory, restructured after New Mountain Capital's investment into an alternative practice structure with a separate licensed attest firm — an early template for the private-equity model now spreading through the profession.
INSIDE Public AccountingauthorityPublishes the IPA 100, 200, 300 and 400 firm rankings and the annual practice-management survey used across the profession for benchmarking growth, income per partner, realization, utilization and staffing metrics.