We stand for expertise and years of experience in a wide variety of legal disciplines. Read our profiles below to get to know us better.
CLO’s principal, Ken Cossingham, has been practicing law in the Merrimack Valley and Southern New Hampshire area for over 30 years. Each of CLO’s attorneys has many years of successful practice. Therefore, when you retain the legal services of Cossingham Law Office, PC you will be represented by an attorney with years of experience, trained and successful in their field of practice.

Kenneth A Cossingham, Esq
Kenneth A Cossingham, Esq has been practicing law in the Merrimack Valley and Southern New Hampshire for over 30 years. He earned his law degree from Suffolk University Law School in 1983, and was admitted as a member of the Massachusetts bar in 1983 and as a member of the New Hampshire bar in 1984. He earned his undergraduate degree from the University of New Hampshire in 1978. Ken has argued cases before both the Massachusetts Supreme Judicial Court, and the New Hampshire Supreme Court.
Ken practiced as an associate attorney in an Andover firm from 1983 to 1988, and founded Cossingham Law Office, PC (hereinafter CLO) in 1988. He has been principal of CLO since that time.
CLO has consistently practiced in the areas of residential real estate, commercial real estate, Wills, Trusts and Estate Planning, Corporations and LLCs, business law, business transactions and business disputes. CLO also has attorneys who practice family law, divorce, custody, landlord tenant and short sales. CLO employs four attorneys, all of whom are licensed in both Massachusetts and New Hampshire. CLO’s staff also includes a title examiner, two paralegals, and legal assistants.
- Suffolk University Law School, 1983.
- Ken has been involved in the community as an Elder of his church, a member of the Andover Business Network, and youth sports.
- During his matriculation at UNH, the Study Body President appointed Ken as Student Body Vice President for Academic Affairs.
- In 1990, CLO was recognized by Fannie Mae at its annual national vendors’ conference as one of its top closing counsel nationally.