Full-service tax and accounting since 1988.

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Founded in 1988 by Ken Watter, our firm serves the DC-Maryland area and clients nationwide with a reputation for excellence.

Since 1988 · Rockville, Maryland

Welcome to Watter CPA

Kenneth J. Watter, CPA, P.A. is the dependable accounting and advisory partner you've been looking for. Since 1988, we've served clients from every corner of industry right here in Rockville — a firm known for real-world results: top-notch tax help, accurate bookkeeping, and sharp consulting, all tuned to the unique shape of each client's business.

Our Legacy

Ken Watter, the man behind the firm, left us on December 4, 2023. A standout CPA and a pillar of the Montgomery County community, his push for excellence and his support for clients set a standard that still shapes every service we deliver.

Leadership Today

Now we're guided by George Dimov, CPA, who steers the firm with the same commitment to quality Ken instilled. When you reach out, you get more than a service — you get a partnership that adapts to your evolving needs.

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Our dedicated team is ready to assist you on your path to financial success — whether you're planning ahead or need answers today.

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Audit & Assurance

Integrity, accuracy, and expertise in every audit we conduct.

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We bring a unique blend of expertise, experience, and innovation to our advanced engagements to meet the evolving needs of businesses and industries. We are peer-reviewed with clients in all 50 states for reliable, detailed, and quick audits.

Stay compliant and gain credibility with our expert auditing services.

States Served 50

We're peer-reviewed with clients in all 50 states.

Years of Experience 14+

Average years of audit & taxation experience per staff member.

Managing Auditors 12

Striving for customer satisfaction is our top priority.

Watter CPA advisors reviewing audit work together in the boardroom
Our Story

The Journey of Innovation at Watter CPA

Our Company

We have more than 16 years of experience auditing financial statements in varied industries, including technology, buy & sell-side finance, biotech, retail, e-commerce, digital assets, real estate, manufacturing, and logistics accounting.

Our Clients

Our firm offers financial statement audit services to businesses of all sizes and industries. We work closely with each client to tailor our approach to their unique needs, ensuring our audits are efficient, effective, and compliant with regulatory standards.

Global Outreach

Our audit firm has a global reach, focused on expert audit services for businesses operating across multiple jurisdictions. Our experienced professionals bring deep knowledge of international accounting and auditing standards to ensure compliance with local regulations and industry best practices.

YC
ytcarol
Local Guide · 98 reviews
★★★★★Google
9 months ago

I needed an IRS Form 1041 to be completed for my mother's estate, but I was only one week from the fiscal year deadline. Having found this responsive company, after being put off by many firms, I was pleased at the prompt and clear email communication. I cannot recommend Watter CPA high enough!

NH
Nita Hight
2 reviews
★★★★★Google
a year ago

About seven years ago, we found the firm of Kenneth J. Watter, CPA. Since then, we no longer had to struggle through confusing tax codes. They prepared our returns with no errors and on time. Ken, Alice and the office staff are the best and we highly recommend them.

TM
Tom Myers
3 reviews
★★★★★Google
a year ago

I have been a client of Kenneth J. Watter, CPA, PA for fifteen years. The firm is courteous and professional no matter which accountant handles my return. Although this firm is an hour away from where I live, I highly recommend them for any taxpayer in the Maryland area.

CV
Chris Vonklock
2 reviews
★★★★★Google
a year ago

Alice and Katherine have been helping with my taxes for many years now. I am super happy with the experience and will keep coming back. My taxes have some quirks that require attention and I'm really glad to have found Kenneth's firm.

TL
Tonya L.
San Francisco, CA
★★★★★Yelp
Nov 18, 2024

I have used this Ken Watter CPA practice for the past few years. Ken helped build my capacity as an S-Corp, and Alice and her team members have continued this excellent service. I highly recommend Ken Watter CPA to individuals and small business owners.

AP
Alexander P.
Minneola, FL · 25 reviews
★★★★★Yelp
Dec 14, 2024

Ken's office has been instrumental in getting (and keeping) my tax situation organized for the last several years. Through career changes, moves, etc., they have supported my ever increasingly complex taxes. I recommend them to any friends and family.

SN
Shoba N.
Rockville, MD · 27 reviews
★★★★★Yelp
Jul 17, 2022

I have had Ken and his team do my business and personal taxes for over a decade and have nothing but positive things to say. Knowledgeable, efficient, client friendly, helpful and courteous. Emails and phone calls are promptly returned. No complaints whatsoever.

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Daniel McGovern
Customer support
At Watter CPA, we pride ourselves in quick communication, accurate work and seamless delivery.
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