we embrace your vision

Providing expert accounting, assurance, taxation, and consulting services.

About | GBB

Through dedication and responsiveness to the needs and objectives of our clients, we provide an experience that cannot be found elsewhere.

Our 100+ years of combined experience will support your organization's strive for excellence with quality services as you navigate an increasingly complex and ever-changing tax and accounting landscape.

Team Services Contact

The team at Grigg, Bratton & Brash P.C. has been conducting our affordable housing audits and partnership tax returns for the past 10 years. We appreciate the excellent service and reasonable fees .... We look forward to a continued relationship.”

— Director of Finance, local California Housing Authority

GBB | Team

Morris Grigg

Principal, CPA

Tax planning and preparation for individuals, trusts, estates, and small businesses, business consulting, estate planning, compilation and review services

Marshall Bratton

Principal, CPA

Affordable housing, auditing and assurance services, tax services, real estate development industry

Duane Brash

Principal, CPA

Affordable housing, auditing and assurance services, tax services, real estate development industry

John Mahler

Staff, CPA

Auditing and assurance services, tax services

Thomas Hatch


Payroll and bookkeeping services, QuickBooks expert, individual and small business tax services

Ashley Baldwin


Administrative assistant

PJ Cory


Affordable housing, auditing and assurance services

Morris Grigg has been my accountant and advisor for over two decades. His responsiveness, attention to detail, research on issues not commonly encountered, and his advice for tax planning and tax issues has been excellent and of the highest quality.”

—Michael J. Coughlin
M.D. Orthopedic Surgeon Boise, Idaho

GBB | Services

Affordable Housing Industry

  • Low income housing tax credits
  • Housing and urban development
  • Rural development and state agencies
  • Not for profit and community development
  • Construction and development

Business Accounting & Tax Services

  • Bookkeeping
  • General ledger accounting
  • Payroll accounting
  • Tax compliance
  • Tax planning and reporting
  • Business consulting
  • Compilation and review services
  • Auditing and assurance
    Peer review report
  • QuickBooks
  • Business entity selection
  • Management advisory services
  • Financial projections

Individual Tax Services

  • Tax compliance
  • Tax planning
  • Estate planning
  • Retirement planning
  • Investment review

States in which GBB provides services for properties and state agencies.

Contact | GBB

Contact Form

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Contact Information

  • 4487 N. Dresden Place
    Suite 101
    Boise, Idaho 83714
  • Phone: 208.375.6490
  • Fax: 208.375.6593
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