A CPA Built for Small Business Owners and Individuals

Manahan CPA serves individuals and small businesses in Santa Clarita and throughout California. When you work with us, you work directly with Jeff Manahan — not a seasonal preparer or a rotating staff member.

Tax preparation, bookkeeping, and accounting — handled by a licensed CPA who knows your file.

You Work Directly With a CPA. Every Time.

When you work with Manahan CPA, you work directly with Jeff Manahan — not a seasonal preparer or a rotating staff member. Every return is reviewed carefully, every set of books is reconciled properly, and every question gets answered by the person who actually knows your file.

Our Services

What We Do

Individual Tax Preparation

Accurate, thorough tax preparation for individuals and families. Whether your return is straightforward or involves investments, rental income, or self-employment, we take the time to get it right.

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Business Tax Preparation

Tax preparation for small businesses, partnerships, S-corps, and LLCs. We work from your financial records to prepare an accurate return and identify opportunities to minimize your tax liability.

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Bookkeeping & Accounting

Organized, reliable bookkeeping that keeps your financials current and your business informed. From transaction categorization to financial statement preparation, we handle the details.

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Business Consulting

Practical financial guidance for business owners — from entity structure and cash flow planning to interpreting your numbers and making decisions based on what the financials actually show.

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Outsourced Accounting & Financial Advisory

Ongoing accounting oversight, financial reporting, and strategic guidance for businesses that need more than bookkeeping — without the cost of a full-time controller or CFO.

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Why Manahan CPA

What Sets Our Approach Apart

Direct CPA Access

You work directly with Jeff Manahan, CPA — not a junior preparer or an outsourced team. Your questions get answered by the person who actually knows your file.

Careful, Thorough Work

Before preparing a return or set of financials, we review prior-year returns, reconcile the underlying records, and ask the right questions. The work is accurate because the process is thorough.

Tax and Accounting Coordinated

Business returns are prepared with an understanding of the underlying books and the owner's individual tax picture — not treated as separate, unrelated filings.

A Practical Business Perspective

Jeff's background includes hands-on financial leadership inside operating businesses. Advice considers cash flow, profitability, timing, and the realities of running a business — not only technical compliance.

Tax Knowledge Backed by Real Business Experience

Strong financial guidance requires more than understanding tax forms. Jeff Manahan combines public accounting and tax experience with hands-on financial leadership inside operating businesses. That background allows Manahan CPA to help clients connect their tax returns, accounting records, cash flow, and business decisions — not treat each one as a separate issue.

Coordinated Tax and Accounting

Business returns are prepared with an understanding of the underlying books, owner activity, and related individual tax consequences.

Financial Insight That Is Useful

Reporting, forecasts, and analysis are designed to help owners understand what is driving their results and what may require attention.

A Practical Business Perspective

Advice considers not only technical compliance, but also cash flow, profitability, timing, and the realities of operating a business.

How We Work

What to Expect

Initial Conversation

We start with a conversation to understand your situation, your goals, and what you need from a CPA. No pressure, no obligation.

Review and Assessment

We review your financial records, prior returns, or current books to get a clear picture of where things stand and what needs attention.

Clear Service Plan

We outline exactly what we'll do, what we'll need from you, and what you can expect — with no surprises on scope or fees.

Ongoing Communication

Throughout the engagement, we keep you informed and available to answer questions. When your work is complete, we walk you through the results.

Looking for a CPA Who Will Take the Time to Understand the Details?

If you want accurate work, straight answers, and a CPA who understands both tax and the financial side of running a business — let's talk.