About Us

We are a full service Certified Public Accountant firm, incorporated and registered with the California Board of Accountancy. We offer a complete range of services: tax preparation, financial statement preparation, tax planning, business consulting, examination and collection representation before all tax agencies (IRS, FTB, BOE, EDD and other state tax boards), in-house bookkeeping and payroll and QuickBooks training for our clients’ staff.

We know you will find our entire staff to be friendly, dedicated, and committed to excellence. Being a small firm means we can provide personalized attention to all of our clients.

Each year we exceed the minimum education requirements needed to maintain our professional licenses. By being active members in various professional associations we have access to outstanding training and expertise in the various areas we practice.

Services overview

Tax Preparation
Business Consulting
Bookkeeping & Payroll
QuickBooks Training

Our advantages


Our office exceeds the required training hours each year, keeping up to date on the latest changes in tax codes.


With over 100 years of combined experience, we can help you with any tax problem, large or small.




A leader in the accounting community, Mark F. Seid is frequently invited to lecture at CPA training events around the country.



Our team takes pride in our commitment to excellence in service and customer satisfaction.

Our team

Mark F. Seid
EA, CPA, U.S. Tax Court Practitioner

A graduate of Cal Poly – San Luis Obispo, Mark started out working with the IRS… Read More

Carl McCasland

A member of our firm since 2001, Carl graduated from Cal State – Hayward… Read More

Susan Knowles

Susan joined our firm in 2014. She obtained her Bachelors in Business Administration… Read More

Virginia Bell

Virginia joined our firm in 2007 and has been preparing taxes locally for over 18 years…  Read More

California Public Accountants
National Association of Enrolled Agents
California Society of Enrolled Agents
Paso Robles California - Chamber of Commerce