Matthew Garthwait, LCSW

Matthew Garthwait is a Licensed Clinical Social Worker (LCSW) practicing in New Hampshire with 22 years of professional experience. He works with people coping with stress and anxiety as well as those facing addictions, grief, and loss, and he supports clients seeking greater motivation, self-esteem, and confidence. Matthew also assists individuals navigating major life changes and the transitions that can feel overwhelming.

He frames each therapeutic relationship around the belief that people are the experts of their own stories and that they already possess strengths to draw on when confronting challenges. Matthew views the decision to seek a more fulfilling and happier life as a courageous first step, and he offers steady support through that process. His approach centers on identifying strengths, building practical coping skills, and collaborating with each person to set realistic goals and make meaningful progress toward well-being.

Evidence-Based Techniques and Flexible Online Care

Matthew uses evidence-based therapeutic techniques that focus on practical skill building to address stress and anxiety. These approaches involve identifying unhelpful thinking and behavior patterns and teaching concrete coping strategies that reduce symptoms and improve day-to-day functioning.

For concerns related to addiction and persistent habits, Matthew employs structured behavior-focused methods aimed at changing routines and responses that maintain problematic behaviors. This work often includes planning for triggers, building alternative coping skills, and supporting steady steps toward recovery and healthier choices.

Choosing the right therapeutic approach is a collaborative process. Matthew partners with each person to understand their needs, goals, and preferences, and he adjusts methods over time to find the best fit for sustained progress.

Online therapy with Matthew is offered through video calls, phone sessions, live chat, and text-based messaging, which helps make care more accessible and easier to fit into busy schedules. These options provide flexibility for people balancing work, family, or other commitments while still receiving regular support from a licensed professional.