Mary Mulloy

Pivotal people, powerful software, partnerships that matter - the future of telecommunications.

Abacus2020 brings it all together with simplicity, speed, super security, global scale and the insights gleaned from 40 years in telecommunications.

Abacus2020 provides a rich set of omni-channel services and a common user experience across devices making it ideal for today’s cloud first, mobile first employees, wherever they work.


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Mary Mulloy


Mary Mulloy, a telecommunications management veteran with 40 years’ experience in the field, founded Abacus Group, Inc. in 1982. Abacus Group, Inc. provides a portfolio of cloud based managed services including hosted virtual PBX, Mobility, Unified Communications and standalone SIP trunks for IP and legacy PBXs.

Ms. Mulloy began her telecommunications career as a Sales Support Specialist and Product Manager in two area telecommunications start-ups. During the past four decades, Abacus Group has become a leading provider of telecommunications software solutions for billing, auditing, analysis, cloud services and now programmable telco platforms.

Ms. Mulloy advises clients on reporting, data mining, network monitoring and business analytics to assess the readiness and performance of a wide variety of IP telecommunications systems.

Ms. Mulloy is approaching her fifth decade in telecommunications – as a pioneer in the next evolution – taking the mystery out of programmable telco platforms and providing a clear roadmap for smooth migrations to personalized communications – the next iteration. Today, most companies face challenges in improving real time communications for voice, video and messaging. Ms. Mulloy is an expert in helping organizations embed voice, video and messaging into business processes, web and mobile applications. Ms. Mulloy has a proven track record, a long term commitment to the industry, and most importantly, a high level of client satisfaction.

Ms. Mulloy is a Founder and Treasurer of the CMC Foundation, Inc., a Massachusetts non-profit corporation and federal 501(c) (3) charitable foundation since 1997. The CMC Foundation, Inc. is devoted to supporting individuals with developmental disabilities through 125 scholarships, walkathons, road races and other fundraising activities.

Ms. Mulloy graduated from the University of Massachusetts, Amherst, MA in 1974 having majored in Journalism and Sociology. She completed two years towards a Master Degree in Urban Planning at Boston University.

Some of the largest organizations in the world use AbacusCloud.

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