A San Diego CPA You Can Actually Talk To

Tim Whelan, CPA

Dark Horse CPAs

Tim Whelan, CPA

Principal Based in San Diego, California

Education

UMass University of Massachusetts
12+Years of Experience
5Specialties
6Industries Served
4Certifications
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Your San Diego CPAs for Tax, Accounting & CFO Advisory

San Diego’s economy, from Biotechnology to Real Estate, demands technical expertise far beyond tax season. Whether you require an elite strategy or CFO-level guidance, your dedicated San Diego CPAs, Tim Whelan and Mike Grimasauskas , are ready to assist. Serving Point Loma and Mission Valley, they provide the financial clarity required to win in the San Diego County market.

As Principals, Tim and Mike deliver more than basic compliance. They specialize in Outsourced Accounting and Fractional CFO services tailored for local entrepreneurs. From simplifying operations to Managing IRS Filings , they offer the high-touch expertise of trusted partners without the overhead of full-time executives. Achieve elite results where your success in the California landscape is the priority.

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Tim Whelan, CPA

Tim Whelan, CPA, Principal

The complexities of tax compliance make it critical for businesses and high net worth individuals to partner with a CPA they can trust. The upfront pricing, emphasis on client service and 1-to-1 collaboration between client and CPA that Dark Horse offers, made it a tremendously appealing model to me. I’m provided with the resources that I need to focus my efforts on providing my clients with the level of service they deserve.

Accounting Solutions for Businesses.

The Problem: Business owners in Mission Valley and San Diego County often lack the strategic tax guidance required for the California Franchise Tax Board (FTB). Without experts like Tim Whelan or Mike Grimasauskas, costly compliance errors are inevitable. You deserve a better accounting firm.

The Solution: At Dark Horse CPAs, Tim and Mike combine outsourced accounting and Fractional CFO-level advisory for total financial clarity. This Advisory-First partnership ensures long-term success in the Balfour and greater California markets. Explore our Solutions for Businesses tailored for you.

Tim Whelan, CPA

Tim Whelan, CPA, Principal

The outsourced accounting services that we provide at Dark Horse are accurate and timely, allowing business owners to focus more of their valuable time on other critical tasks. By thoughtfully building accounting engagements, we can provide the level of service that clients need, at a fixed fee that they can budget for each month.

Tax Services for People.

The Problem: Residents in Point Loma and across San Diego County often feel the sting of their tax situation only after filing their personal tax return . Between high state rates and complex California Franchise Tax Board (FTB) mandates, navigating your liability can be overwhelming. Without experts like Tim Whelan or Mike Grimasauskas, you risk unwanted surprises and missed savings.

The Solution: At Dark Horse CPAs, Tim and Mike believe in No Surprises. We work year-round with San Diego families to reduce liability and ensure compliance. From California state filings to investment and retirement planning, every engagement includes a personalized tax strategy so you can move forward in Mission Valley with total confidence.

Tim Whelan, CPA

Tim Whelan, CPA, Principal

What sets Dark Horse apart is giving people options. We encourage proactive and strategic tax monitoring throughout the year. This approach helps clients decrease taxes and avoid last-minute surprise payments.
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Get an expert Tax & Accounting CPA who will partner with you to achieve unparalleled results.