About Us

Castillo Business Consultant is a Small Business Consulting Service in Chelsea, MA.

We are just next to East Boston and 2 miles away from Downtown Boston. We have been helping small business owners with tax preparations, startup business consulting, changing proprietorship from Sole Proprietor to LLC and other advanced business consultancy.


Our main goal is to keep your small business up to date with best business practices, services, and the new changes related to tax regulations.

Changes in the tax code and regulations are important for everybody to know. They might have an impact on your personal or business income taxes.
Our new website enables us to keep you up to date on your business and tax needs by providing up to date articles containing the most recent information on taxes and finance.

We are committed to providing the best personalized business consulting and tax preparation services to you and we strive to earn our clients’ trust with our team of experts regarding tax rules, accounting, business licensing, payroll and all related tax and business consulting.

Our clients have a close professional relationship with members of our team, so we can maintain a comprehensive list of issues, keep a constant eye on each client’s tax and bookkeeping, and identify potential financial problems before they become an issue.

At Castillo Business Consultant, meeting our clients face-to-face on a regular basis is key. We consider ourselves a part of your business and with our personal touch and close communication, we take care of our client’s financial health day after day.

Our mission is to provide all of our clients all the necessary support for them to grow, make their business products, and to be in compliance with all rules and regulations of taxes and licensing. We are available year-round and our support is available in two languages: English and Spanish.

Taxpayer refund advances.

We are offering refund advances at no cost to the taxpayer in the amount of $500 or $1000.00. This refund advance can be received by check or loaded to a prepaid visa card. Contact us with any questions or additional information.