ATOM

Portsmouth, New Hampshire, United States

Builds software and safeguards futures in diverse sectors

ATOM helps leaders imagine, build, and protect the future through technology innovation. With a strong presence in New Hampshire, they are dedicated to supporting service members, veterans, and their families. The agency is led by a team of experienced partners and senior staff, including experts in software engineering, cyber defense, and project management.

ATOM offers a range of services across software development, cybersecurity, and UX design. They work with various industries, including healthcare, finance, startups, education, and government, providing tailored solutions to meet specific needs. Their expertise includes developing medical device products, secure software for financial institutions, and integrating instructional technologies for education.

As New Hampshire’s premier cybersecurity emergency response firm, ATOM is endorsed by the New Hampshire Bankers Association for secure software and security. They partner with top cyber insurance companies and government entities, ensuring robust protection and compliance for their clients.

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SERVICES

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Agency details

Team size
51-200 people

About this agency on Agency List

ATOM holds an Agency List Score of 53 out of 100.

That score is higher than 6% of the 36,920 agencies Agency List has assessed so far.

The Agency List Score measures how well an agency documents its work in public: named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than to the client.

It does not measure client satisfaction, price, or availability.

How the Agency List Score is measured

Assessment date

Agency List assessed ATOM in September 2026, reading 2 pages published on theatomgroup.com.

The score reflects what ATOM had published by that date; anything published since has not been read.

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