Tax Advisory, Business Consulting & CFO Services

Big-Four Quality Services for Small and Medium-Sized Businesses

Barnthouse & Associates provides sophisticated tax, business advisory, and CFO solutions backed by Big Four experience..

Big Four Experience
Sophisticated experience applied to small and middle-market businesses.

Sophisticated experience applied to small and middle-market businesses.
Decades of experience addressing complex tax and business matters.

Flexible Service
Available remotely or at the client’s place of business.

ABOUT BARNTHOUSE & ASSOCIATES

Strategic Guidance for Complex Financial Decisions

Barnthouse & Associates, LLP provides tax advisory, business consulting, accounting, and CFO services to business owners and organizations at every stage of growth. We help clients address complex tax matters, strengthen financial operations, improve cash flow, plan for the future, and make informed business decisions with confidence.

OUR SERVICES

Tax, Accounting and Business Advisory Expertise

Integrated tax, accounting and advisory solutions designed to strengthen operations, resolve complex financial matters and support confident decision-making.

Tax Advisory & Compliance

Strategic tax planning, return preparation and federal, state and local tax compliance for businesses and individuals.

CFO & Controller Services

Fractional financial leadership, timely reporting, cash-flow guidance and practical support for owners who need more than bookkeeping.

Business Advisory

Guidance with forecasting, financing, business plans, restructuring, operational decisions and long-term growth strategies.

Audit Defense & Tax Issues

Experienced representation for IRS, state and local tax examinations, notices, disputes and other complex tax matters.

Valuation & Forensic Accounting

Business valuations, transaction support, transfer pricing studies and investigative accounting for complex financial situations.

LET’S TALK

Get Clear, Practical Guidance for Your Business

Whether you need help with tax planning, financial reporting, CFO support or a complex business decision, Barnthouse & Associates is ready to help you evaluate your options and determine the right next step.

OUR TEAM

Personal Attention. Experienced Guidance.

A hands-on team focused on responsive service, practical solutions and long-term client relationships.

Timothy Barnthouse, CPA.

President

Tim provides tax advisory, accounting, CFO and business consulting services to privately held businesses and their owners. He helps clients navigate complex financial matters, improve decision-making and plan strategically for the future.

Stacie Watson

Executive Assistant

Stacie supports client communication, scheduling, business development and ongoing coordination to help ensure clients receive timely, organized and responsive service.

Responsive Communication
Clear, timely communication throughout the engagement.

Personalized Guidance
Solutions tailored to each client’s goals and circumstances.

Strategic Support
Tax, accounting and advisory guidance beyond basic compliance.

Tax, accounting, CFO and business advisory services for businesses and their owners.

Address:

29911 Niguel Road, #6186
Laguna Niguel, CA 92607

© 2026 Barnthouse & Associates, LLP. All rights reserved.