Who We Are

We are a full service accounting company in the Merrimack Valley providing services to businesses in Boston, Greater Boston, Merrimack Valley, North Shore, Metrowest, and South Shore.

Our focus is to help business owners organize their finances. We will help clients cut down unnecessary expenses, set up a budget plan, and regain focus on their businesses by freeing up their time for more profit. We are looking to serve small businesses who want to grow and become more profitable. Our team will work directly with your CPA firm and provide them with financial statements so they may file your tax return. Let us help you and we will reach your highest potential. At Dio’s Financial Services we take pride in our work and providing the best bookkeeping services is what we strive for. 


To help you grow your business.


Opportunity, growth, and an impact in our local community.



our team

Diomaris Pimentel


As the founder of Dio’s Financial Services it has been my life long dream to provide services and support to individuals and companies from corporations with large, complex portfolios to individuals simply looking to better organize their finances. I am currently working with companies ranging from $500,000 to $5 million in annual revenue. I help these companies to better understand and achieve their business financial goals. I am highly motivated and passionate about service and building strong business financial portfolios and working with you to create a financial process that will improve your business finances.

I received my BS in Finance from the University of Massachusetts Lowell. I am currently enrolled in Harvard Business School Online for Financial Accounting. I am a member of the Merrimack Valley Chamber of Commerce.

Hilary Marroquin

Accounting Assistant

I am currently an accounting student at the Isenberg School of Management at the University of Massachusetts in Amherst. I am a numbers gal, I chose accounting because it is the mother of numbers. Throughout my education at UMA, I have learned accounting concepts, financial modeling and business management skills. I enjoy working with businesses and helping them grow. My biggest goal is to graduate with an accounting major next spring and continue working in the accounting field, helping businesses reach their goal.


We provide accurate record keeping for small businesses and help you with the organization of your finances. We will take upon the day to day tasks of bookkeeping so you can focus on your core business. We offer various bookkeeping packages that can benefit your business even if you are a startup or established business. We work with you to customize accounting solutions based on your specific needs and budget.

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