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Your Partners in Financial Management

"Our goal is to form long standing professional and personal relationships with each person that chooses Nucleo Financial for their accounting needs". 

Hayden Griffin, CEO Nucleo Financial LLC

Our Story

We are Hayden & Allie Griffin, owners of Nucleo Financial in Celina, Texas. We are so fortunate to live in an area that is made up of so many small businesses. After many years of Hayden working in the financial space and Allie working as the sales director for a successful small business we decided to use our experience to help others achieve their goals.


Whether it is individual tax planning or business accounting and bookkeeping, decisions can be difficult and overwhelming at times. Nucleo is here to provide a solution and bring you peace of mind.


We believe in maintaining a positive mindset, creating partnerships with a purpose, and always striving for significant outcomes. When you work with our dedicated team, expect an expert with transparency and accuracy.


Contact us today for a complimentary consultation!

"Keeping your best interest in mind so you can feel confident you are taken care of".

Hayden Griffin

Owner, Nucleo Financial

I'm a people person and I'm passionate about helping people with their finances. I'm very frugal, which makes me a good accountant, and I'm always looking for ways to find legal deductions and credits that could save money for my clients. We will find every possible legal way to keep tax money in your pocket and make sure that your finances are managed properly. With a background in economics and accounting, I'm confident I can help you achieve your financial goals.

Hayden Griffin Owner of Nucleo Financial
Feeding a Giraffe


Supporting Local Non Profit Organizations

Our family business proudly donates a portion of it's annual earnings to local non profits. We are proud to donate a portion of our annual earnings to local non-profits dedicated to making a difference in our community. For 2023, we are contributing to the Heard Natural Science Museum & Wildlife Sanctuary. By choosing us, you indirectly help those in need.

The Heard Natural Science Museum & Wildlife Sanctuary, in Mckinney Texas, is the result of one woman’s vision for the future and her commitment to the community and North Texas. Founded in 1967. The Heard is a 289 acre wildlife sanctuary a natural science museum that exists to bring nature and people together.


What Makes Us a Leading Accounting Firm

Our goal has always remained the same, no matter what type of client we are working with. Simply put, we strive to give you an accurate picture of your financial situation. Doing so allows you to operate with less stress and more profit. For individuals looking for help with tax filing, we offer a personal touch and precision that is unattainable with do-it-yourself software. For businesses, we provide services that assess overall financial health, and we deliver regular reports that are clear, digestible and actionable. Contact us today to begin a valuable partnership.



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Satisfied Clients


What Others Say About Us

Grant G.

Hayden is extremely knowledgeable with complex tax situations. He was very forthcoming with options and solutions. I’m glad that I put my trust in Nucleo with my tax questions. You’ll be happy you did too. I highly recommend them.

Andrew M.

Hayden and his team have been great. They work very well with us and we couldn't be happier. Highly recommend Nucleo Financial!

Traci M.

Nucleo Financial is a great partner. Hayden and his team ahve really come through for us and our business. We highly recommend them!

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