Hines & Sullivan | Former IRS Employees & Master Tax Strategists.
Tax Strategy Developed For You At Up To 75% Less Than Most Tax Firms

Stop Paying More Tax Than Necessary And Discover How To Legally Keep More Of Your Money

Are you self-employed, running a business, or dealing with IRS or state tax issues?

You may be paying thousands more in taxes than necessary simply because you don't have the right strategy in place.

Watch Before Paying Another Dollar In Taxes
Watch the video and discover why clients across the country trust Hines & Sullivan for tax strategy and tax resolution services.

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Former IRS Employees

Professionals who understand the tax system from the inside — now fully working for you.

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Tax Resolution Experts

Seasoned in resolving complex IRS debts, notices, and state tax disputes efficiently.

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Business Tax Strategists

Custom strategies helping business owners and the self-employed legally minimize taxes.

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Nationwide Service

Serving clients across the U.S. with offices in California, Arizona, and Florida.

Common Tax Challenges

Are You Facing Any Of These Tax Challenges?

You're not alone. Our team resolves these situations every day for clients nationwide.

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Owe The IRS Money

State Tax Problems

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Paying Too Much In Taxes

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Self-Employed Tax Concerns

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Business Tax Planning

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IRS Notices & Letters

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Tax Debt Issues

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Legal Tax Reduction Strategies

Common Tax Challenges

What Makes Hines & Sullivan Different?

We're not just another tax company.

Our team includes former IRS employees who understand how the tax system works from the inside. We use that experience to help individuals and business owners create legal tax-saving strategies and resolve complex tax issues.

"Unlike many firms charging excessive fees, our services are typically about one-fourth the cost of many traditional tax firms — without sacrificing expertise, quality, or efficiency."


When you work with Hines & Sullivan, you're partnering with professionals who know both sides of the table — what the IRS looks for, and how to legally protect more of your money.

Meet The Team

Meet Hines & Sullivan

Meet Ronnie Hines

LaRonya Ronnie Hines-Day, EA
Former IRS Appeals Officer • Former California State Tax Agent • Tax Debt Resolution Specialist

Ronnie Hines is a former IRS Agent and former California Franchise Tax Board Agent with nearly two decades of combined federal and state tax experience. She spent 7½ years with the California Franchise Tax Board and more than 11 years working within the IRS as both an Auditor and Appeals Officer, where she handled complex tax matters and settled cases before the United States Tax Court.

Today, Ronnie uses her insider knowledge of both federal and state tax systems to help individuals and business owners legally reduce taxes, resolve tax debt, and navigate challenging IRS situations with confidence. She specializes in tax strategy, tax preparation, and tax-debt resolution, helping clients achieve fast and effective solutions when timing is critical.

Her unique experience on both sides of the tax system allows her to identify opportunities, negotiate effectively with taxing authorities, and create personalized strategies designed to protect her clients' financial future.

Meet Sullivan

Michael D. Sullivan is a former IRS Agent and nationally recognized tax resolution expert with more than three decades of experience helping individuals and businesses solve complex tax problems.

During his 10-year career with the Internal Revenue Service, he worked as an IRS Revenue Officer and Agent, specializing in Offer in Compromise cases, large-dollar tax matters, and taxpayer negotiations.

After leaving the IRS, Sullivan dedicated his career to helping taxpayers navigate IRS disputes, reduce tax burdens, and develop effective tax strategies. He has trained IRS personnel, served as a teaching instructor, and has appeared as a tax commentator on major media outlets including Fox Business, ABC, Newsmax, and other national news programs.

Today, Sullivan leverages his insider knowledge of IRS procedures to help clients legally minimize taxes, resolve tax debt issues, and protect their financial future with confidence.

Our Services

What You Receive

You're not alone. Our team resolves these situations every day for clients nationwide.

Personalized Tax Strategy

A custom plan built around your unique financial situation and long-term goals.

IRS Resolution Assistance

Expert negotiation and representation to resolve outstanding IRS matters.

Business Tax Planning

Comprehensive strategies that reduce your business tax liability throughout the year.

Self-Employment Tax Guidance

Specialized strategies for freelancers, consultants, and independent contractors.

Audit Support Guidance

Professional guidance and support through every step of the audit process.

Experienced Tax Professionals

Former IRS employees with decades of combined experience advocating for you.

Long-Term Tax Savings Strategies

Forward-thinking plans that compound your savings over years, not just one tax season.

Ongoing Support

Continued access to your dedicated tax team throughout the year, not just at filing time.

Client Reviews

What Clients Are Saying

You're not alone. Our team resolves these situations every day for clients nationwide.

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★★★★★

I've used several tax preparers but LaRonya was by far the most professional and knowledgeable. Our taxes were done timely and with such care. I will not get my taxes or any other financial advice from anyone else!

Malia Augustine

Google Review
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★★★★★

Five stars is not enough for the service I was provided by Ronnie. Incredible! Ronnie is prompt, professional, empathetic and responsive. I cannot recommend her enough. Look no further— she's got you!

Killer Bramer

Google Review
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★★★★★

Ronnie is extremely professional. I am a real estate agent in Texas and would recommend her to anyone. She is knowledgeable, trustworthy, and always willing to help when needed.

Rocio Del Bosque

Real Estate Agent • Texas
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★★★★★

Ronnie is great! She responds quickly, is very proficient, extremely helpful, and takes the time to explain things clearly. Working with her has been a fantastic experience.

Sunnie Byerly

REALTOR®
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★★★★★

She did a great job with my husband’s taxes and was very professional throughout the entire process. Excellent service, attention to detail, and a pleasure to work with.

Shirley Cole

Google Review

Get Started Today

Get Your Personalized
Tax Strategy Review

Our Offices

Serving Clients Nationwide

Four office locations to serve you across the United States.

Los Angeles, California

930 South Central Avenue
Compton, CA 90220

Phoenix, Arizona

4731 North Central Avenue
Phoenix, AZ 85012

Sebring, Florida

2515 Bradford Drive
Sebring, FL 33870

Fort Lauderdale, Florida

2929 E. Commercial Blvd
Penthouse AB
Fort Lauderdale, FL 33308

Take Action Today

Ready To Pay Less Tax And
Gain Peace Of Mind?

Speak with former IRS professionals and discover your options today.

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