Diana LJ Harrison CPA, P.C. 

A Full Service CPA Office

Our office

Diana LJ Harrison CPA, P.C was opened in 1992 by owner Diana LJ Harrison, CPA, CFP®, MT.

We are a full service tax and accounting firm offering the following services:

• Prepare tax returns and tax estimates for individuals, sole proprietors, corporations (S and C), partnerships, LLCs, estates, gifts, trusts, non-profits and personal property.

• Provide tax advising and planning

• Prepare complied financial statements

• Administer 401(k) plans

• Set-up cafeteria plans

• Bookkeeping services and database management

• Process payroll

• Prepare monthly payroll, quarterly payroll tax reports and year-end payroll forms

• Prepare business valuations

• Expert witness testimony

• Business Consulting

• Certified Quickbooks support

For your convenience, our office accepts payment by VISA, MasterCard, American Express and Discover.