Mainstay Technologies

IT Services and IT ConsultingNew Hampshire, United States51-200 Employees

Mainstay Technologies is a mid-sized IT services and consulting firm based in Manchester, New Hampshire, that serves small and medium-sized organizations across New England. It acts as an outsourced IT and information security department, delivering reliable technology management through dedicated core teams tailored to each client. The company emphasizes helping organizations navigate increasing IT complexity with a support model designed to prevent internal frustration and risk, while maintaining a trusted, clear IT posture.

It targets organizations seeking a full IT function without the overhead of an in-house team, providing sophisticated capabilities in a personalized format. In March 2024, Mainstay Technologies announced a partnership with Live Free USA to create educational videos on what NIST SP 800-171 requires, how to perform an initial self-assessment, and how to plan a roadmap for implementing security controls. Based in Manchester, the firm positions itself within the IT services and security space in New England, balancing scalable sophistication with tailored client service.

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