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supporting families and their loved ones Services We Offer

specializing in home, center, and community based ABA therapy and social skills groups to support children, adolescents, and young adults with autism

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School Services

Using evidence-based observation and assessment techniques.

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In Home and Community Based ABA Therapy

Improving your social, communication, and learning skills.

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Social Skills Groups

Supporting children as they interact with their peers.

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Parent Education and Support

Teaching parents how to effectively care for their children.

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Wellness is our first priority. In response to COVID-19, we have embraced the following safeguards to ensure family and team health and safety.

  • • Compliance with the CDC and the Commonwealth re-opening requirements
  • • Reduced the size of center-based social skills groups
  • • Telehealth services to decrease in-person contact
  • • BCBA Wellness check with behavior technician and family
  • • Staff training & education on delivering in-person services safely
  • • Staff training & education on effectively providing telehealth services
  • • Staff training & education on all COVID-19 protocols (handwashing, disinfecting, social distancing, etc.).
  • • Cancellation of sessions contingent upon illness
  • • Family Informed Consent to distinguish each party’s responsibilities in prevention practices
  • • Increased communication with all staff and clients to ensure the most up-to-date information is disseminated

Welcome to Key Connections ABA Services, LLC

Autism Therapy in Chelmsford, Massachusetts

Key Connections is a local ABA Services Clinic in the Greater Boston and Westford area, partnering with families to help children unlock their full potential. Our staff of caring and compassionate professionals utilize Applied Behavior Analysis and other forms of therapy to improve children’s social skills, promote good behavior, and  enrich lives!




Mission Statement

The mission of Key Connections ABA Services, LLC, (KCAS) is simple: putting people first and building meaningful connections. We believe a person-centered environment offers the opportunity for truly individualized care to develop a unique treatment approach.  Firmly embedded in the principles of Applied Behavior Analysis, we strive to meet the needs of our clients and their family unit through a dedicated team that is committed to compassionate care and best practice clinical excellence. In collaboration with other providers, we strive to create a learning environment that generalizes to a client’s home, school, and greater community. .

About Us
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Meet Our Staff

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Contact Us

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