Rooted in Relationships.
Driven by Integrity.

Trusted, local accountants offering expert audits, tax services, and financial guidance since 1976.

More Than Accountants

TRUSTED ADVISORS

Comprehensive CPA Services. Personalized for You.

Accounting &
Auditing

Compilation, review, and audit services tailored for small and mid-sized businesses and organizations.

Tax Preparation & Consulting

Business, individual, and non-profit tax returns, plus year-round tax planning.

Estate & Financial
Planning

Strategic guidance and resources to help clients secure their financial future.

Business
Valuations

Know the worth of your business or one you’re considering buying.

A Legacy of Service,
A Culture of Care

Founded in Grove City, Ohio in 1976, HNG CPA has grown through deep client relationships and a sincere commitment to quality service. We believe accounting is about more than numbers, it’s about trust, collaboration, and helping our clients thrive.

At the Heart of HNG

Guided by purpose, grounded in values, and committed to relationships that last.

MISSION

To provide exceptional accounting, audit, tax, and advisory services with a personal touch, rooted in experience, guided by integrity, and committed to building lasting relationships with every client we serve.

VISION

At HNG we work diligently to understand new and potential standards effecting our clients. We also take pride in helping our clients navigate new trends, whether industry specific or general in nature. Our deep client relationships also enable us to assist clients through internal changes occurring in their businesses and lives

VALUES

At, HNG our values center on sincerity; integrity; genuine relationships; accounting, tax and business expertise and unwavering commitment to our clients – values that have guided us for nearly 50 years.

Expertise Across industries

Our team serves a wide range of clients, from non-profits to manufacturing firms, bringing industry-specific insight and hands-on support to every engagement.

Testimonials

Olentangy Village

I have relied on the team at Hirth Norris & Garrison, LLP for our multifamily property audit for the past 4 years. As a new client, this can sometimes be challenging, however the team put me at ease and were thorough, professional and incredibly easy to work with. They have continued to make the audit process smooth and efficient every year and I truly value the relationship we have built since engaging them.

Jeremy Smith

Controller

Lower Lights
Ministries

As a nonprofit organization, we’ve partnered with HNG for over seven years, and we are consistently grateful for their dependable, honest, and reasonably priced services. Their financial advice is both professional and down-to-earth—a rare and valuable combination. We trust HNG and deeply appreciate the support they provide to help us steward our resources well.

Emmalyn Jerome

Executive Director

Hayden Valley Foods

I’ve been working with Hirth Norris & Garrison for several years now, both personally and professionally, and I couldn’t be more pleased with their service. Their team is knowledgeable, responsive, and incredibly thorough—whether it’s handling complex business tax matters or helping with personal taxes. I trust them completely and highly recommend them to anyone looking for a reliable and proactive accounting partner.

Travis Hobbs

President

Howard Task Marketing, Management & Advisory Services

I have worked with Tim Harris for well over 30 years. I first met Tim when I was named executor of an estate that was also a client of HNG. The estate was quite complex, and as the accountant for the family-owned business, Tim expertly helped me navigate some challenging financial waters.

Howard Task

President

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