Our knowledgeable team is dedicated to serving our clients. We have several SG&D offices in MA and are licensed to write insurance throughout the country.

At Sullivan, Garrity, and Donnelly, we are deeply rooted in making sure each and every client is genuinely cared for throughout our partnerships and process. Nowhere is that philosophy more evident than in our consistently provided customer service, whether it’s helping with a claim, making a policy change, or answering questions about coverage and payments.

All SG&D Branches

Open 8:30am to 4:30pm
Monday – Friday

We are available after normal office hours by appointment.

If you have an emergency and need to contact someone outside of our normal business hours, please call 800-287-8501 or email [email protected].

Our locations


10 Institute Road
Worcester, MA 01609

Phone: 508-754-1767
Fax: 508-754-1885


1281 Main Street
Chatham, MA  02633

Phone: 508-945-4676
Fax: 508-754-1885


15 Depot Court

Cohasset, MA  02025

Phone: 781-383-8505
Fax: 508-754-1885


100 Independence Drive

Hyannis, MA  02601

Phone: 800-287-8501
Fax: 508-754-1885