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The three principal partners of GBB Accounting

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

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

Marshall Bratton

Principal, CPA

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

Jordan Grigg

Jordan Grigg

Principal, CPA

Tax planning and preparation for individuals, trusts, estates and small businesses. Quickbooks consulting. Payroll services

Duane Brash

Retired CPA

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

John Mahler

John Mahler

CPA

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

Brad Tracy

Brad Tracy

CPA

Affordable housing taxation, auditing and assurance, and real estate development industry.

Amber Bratton

CPA

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

Jim Geddings

Jim Geddings

CPA

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

Patrick Rippy

Patrick Rippy

CPA

Affordable housing, auditing and assurance services.

Braden Luper

Braden Luper

CPA

Affordable housing, auditing, and assurance services.

Tyler Frehner

Tyler Frehner

CPA

Tax planning and preparation for individuals, trusts, estates, and small businesses. Quickbooks consulting. Payroll services. Auditing and assurance services.

Zachary Hanson

Zachary Hanson

CPA

Affordable housing, auditing, and assurance services.

Thomas Hatch

Thomas Hatch

Staff Accountant

Payroll and bookkeeping services, QuickBooks consulting, individuals, and small business tax services.

Nichole Madrid

Administrative Assistant
Joni Grier

Joni Grier

Audit Assistant
Joni Grier

Michelle Patterson

Accounting Paraprofessional

Payroll and bookkeeping 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

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Contact Information

  • 4487 N. Dresden Place
    Suite 101
    Boise, Idaho 83714
  • Phone: 208.375.6490
  • Fax: 208.375.6593
Grigg, Bratton & Brash, P.C. BBB Business Review