Welcome to Harborside Accounting Services Inc.

We are a boutique accounting firm dedicated to serving the unique needs of small to mid-sized businesses. At Harborside, we offer personalized attention, practical insights, and hands-on support to help business owners make confident financial decisions. Our goal is to act not just as your accountant—but as a trusted advisor and strategic partner throughout every stage of your business journey.

Our services are tailored to meet the day-to-day and long-term financial needs of growing businesses. We specialize in tax preparation and planning, outsourced accounting and controller services, bookkeeping, QuickBooks training, new business formation and advisory, and business exit and succession planning. With deep experience in industries like real estate, construction, and skilled trades—including contractors, plumbers, electricians, and welders—we understand the operational challenges you face and how to build financial systems that support your success.

Let Harborside Accounting help you simplify the numbers so you can focus on what you do best: running your business.

Quick Access Links

Share File

Upload documents and notices to our secured portal.

Upload Link

Refund Status

Want to check your refund status? IRS.gov is the official website of the United States government.

Where's My Refund?

Amended Refund Status

Check the status of your amended tax return with the IRS.

Where's My Amended Refund?

Internal Revenue Service

An official website of the United States government.

IRS.gov

MA Tax Connect

Access the Massachusetts Department of Revenue tax portal for filing, payments, and account management.

Mass.gov

Secretary of State

Official website of the Massachusetts Secretary of State.

Secretary of State

Contact Us

Have questions? We're here to help!