Welcome To Sowerby
& Moustakis Law, PLLC

Estate Planning

A well known estate planning practice throughout
Southern New Hampshire & Greater Boston

Client Focused

As a boutique law firm, we make the time to listen and understand our clients’ needs. Our goal is to protect you, your family and all you hold dear.  As a client, you become a part of our family.


We’re just a phone call away!  (603) 249-5925 or (781) 329-0053

Estate Planning/Elder Law

  • Estate Planning Services
  • Wills & Living Trusts
  • Special Needs Trusts
  • Health Care Proxies
  • Powers of Attorney
  • Medicaid Planning

Small Business Law

  • LLC Formation
  • Contract Law Review
  • Business Dispute Resolution
  • Business Formation
  • Alternative Dispute Resolution

Bankruptcy Law

  • Individual
  • Business
  • Reorganization

White Glove Service at Competive Rates

At Sowerby & Moustakis Law, PLLC, you can be confident your legal matters will be handled with a personalized approach and individualized attention. Our firm focuses on providing high quality, legal services to individuals, small businesses and municipalities. 

 As a boutique law firm, we have the time to listen to our clients’ needs and work with them to achieve their individual goals all while keeping our eye on controlling costs and unnecessary legal expenses.

 We take pride in the Elder Law, Estate Planning, Municipal Law, Probate, Will & Trust Litigation and Small Business Law services we provide. 

 Helping families with legal matters as their lives unfold.  

 Give us a call today | NH (603) 249-5925 MA 781-329-0053.

Your Personal Legal Advisor

    • A different approach to legal services – Taking the time to listen to your needs so we can build a plan protecting your rights in a court of law for  you, your family or your small business
    • Our focus is on providing the highest quality, personal attention and building client relationships
    • We are here when you need us – In Person, Phone, Email, Online or Client Portal

Meet Our Team

Danielle Christman

Legal Assistant

Brian S. Young

Attorney at Law

Practice Areas:
Litigation |Bankruptcy | Probate and Trust Administration | Municipal Law

Dwight Sowerby Attorney at Law

Peter A. Moustakis

Attorney At Law

Practice Areas:
Estate Planning | Business Formation | Equine Law

Dwight Sowerby Attorney at Law

Dwight Sowerby


Dwight Sowerby Attorney at Law

Stelios Moustakis

Chief Operating Officer

We are here to help.

To access the Sowerby & Moustakis Law, PLLC, Client Portal

please click the link below.