Mainstay Technologies is an IT services and cybersecurity company founded in 2004, headquartered in Manchester, New Hampshire, with three office locations across New Hampshire and Massachusetts. The firm serves small and medium-sized organizations ranging from 15 to 500 employees, primarily in financial services, healthcare, legal, insurance, and manufacturing sectors. It has been recognised on the Inc. 5000 list five times and received the NH Entrepreneur of the Year award in 2022.
The company's service portfolio spans several technical domains. Its Managed IT Services offering functions as a full outsourced IT department. On the security side, it provides Cybersecurity services, Risk Assessments, and CMMC Compliance Support for organisations pursuing Cybersecurity Maturity Model Certification. Additional services include vCIO (virtual Chief Information Officer) advisory and AI and Automation solutions.
Mainstay operates across Northern New England and the Greater Boston area. Its stated philosophy centres on building genuine client relationships and measuring success by positive impact on the communities it serves, with a company tagline of "IT you trust from a team you enjoy".
