Accounting and Tax Practices Trade Associations

Association of Chartered Certified Accountants (ACCA)

Global professional body for accountants offering the ACCA qualification, CPD, research, and advocacy supporting audit, tax, and advisory practices worldwide.

https://www.accaglobal.com Membership: 252,500

Association of Certified Fraud Examiners (ACFE)

Worldwide association for anti-fraud professionals; provides CFE certification, training, research, and community resources valued by audit and forensic accounting teams.

https://www.acfe.com Membership: 95,000

AGA (Association of Government Accountants)

Professional association for government financial management; offers the CGFM credential, CPE, best-practice guidance, and networking for public-sector accounting and audit professionals.

https://www.agacgfm.org Membership: 14,000

American Institute of Certified Public Accountants (AICPA)

The national professional organization for U.S. CPAs; delivers standards, advocacy, credentials (e.g., CGMA with CIMA), and extensive learning/resources for public practice firms.

https://us.aicpa.org Membership: 431,000

Association for Accounting Marketing (AAM)

Community for growth leaders in accounting firms; provides education, benchmarking, and peer networking to drive practice development, marketing, and business development.

https://accountingmarketing.org Membership: 900

American Society of Tax Problem Solvers (ASTPS)

U.S. association of tax-resolution professionals; offers training, certification (CTRS), helplines, and practice support for representing taxpayers before the IRS and state agencies.

https://www.astps.org Membership: 1,600

California Society of CPAs (CalCPA)

The statewide society for California CPAs and finance professionals; provides CPE, practice resources, advocacy, and 14 local chapters supporting firm growth and community.

https://www.calcpa.org Membership: 40,000

Council On State Taxation (COST)

Trade association representing corporate taxpayers on state and local tax (SALT) matters; provides advocacy, education, and practitioner forums for multistate businesses.

https://www.cost.org Membership: 550

Institute of Internal Auditors (IIA)

Global association for internal auditors; sets Standards, offers CIA and other credentials, and provides training and guidance relied on by audit and accounting practices.

https://www.theiia.org Membership: 260,000

Institute of Management Accountants (IMA)

Global association for management accountants; administers the CMA credential, publishes thought leadership, and supports accountants in corporate finance and FP&A roles.

https://www.imanet.org Membership: 140,000

ISACA

Global professional association advancing digital trust; supports IT audit, risk, security, and governance professionals working alongside accounting and assurance teams.

https://www.isaca.org Membership: 185,000

National Association of Black Accountants (NABA)

National nonprofit advancing Black professionals in accounting and finance; provides career programs, community, and employer partnerships that strengthen firm talent pipelines.

https://nabainc.org Membership: 22,000

National Association of Enrolled Agents (NAEA)

The leading community for Enrolled Agents and aspiring EAs; provides education (NTPI), advocacy, and member resources for tax practice and IRS representation.

https://www.naea.org Membership: 8,475

National Association of State Boards of Accountancy (NASBA)

Membership organization of the 55 U.S. state boards of accountancy; supports CPA licensure, mobility, exam services, and regulatory collaboration.

https://nasba.org Membership: 55

National Association of Tax Professionals (NATP)

U.S. association serving preparers and advisors with tax education, research help, publications, and advocacy—supporting practices that serve millions of taxpayers.

https://www.natptax.com Membership: 23,000

National Conference of CPA Practitioners (NCCPAP)

National organization of practicing CPAs in smaller firms; provides advocacy with IRS and policymakers, CPE, and peer collaboration focused on practice issues.

https://go.nccpap.org Membership: 900

New York State Society of CPAs (NYSSCPA)

State society connecting New York CPAs and allied professionals; offers CPE, 50+ technical committees, publications, and networking across regional chapters.

https://nysscpa.org Membership: 20,000

PayrollOrg

Professional organization for payroll practitioners (formerly APA); supports payroll compliance education, certifications, and a member community relevant to accounting firms.

https://payroll.org Membership: 30,000

Society of Trust and Estate Practitioners (STEP)

Global body of trust and estate practitioners—including accountants and tax advisors—offering the TEP designation, education, and cross-border private client resources.

https://www.step.org Membership: 22,000

Tax Executives Institute (TEI)

Association for in-house corporate tax professionals; delivers education, policy advocacy, and peer networking across 55 chapters serving large and mid-market enterprises.

https://www.tei.org Membership: 7,000