ADC completes the acquisition of Raymond E Jeffs CPA PLLC of Hampton, NH

Hampton, NH, July 15, 2021 – Ambrosi Donahue Congdon & Co., P.C. (ADC) a Massachusetts and New Hampshire-based full-service accounting, tax and advisory firm, announced that it has acquired the practice of Raymond E. Jeffs, CPA, PLLC (“Jeffs CPA”) of Hampton, NH, effective July 15, 2021. 


Founded in 1993, Jeffs CPA serves a diverse client base across multiple industries including professional services, real estate, construction services and the not-for-profit sector.   Jeffs CPA provides a wide range of services, including accounting and financial consulting services, corporate and personal tax, bookkeeping, financial analysis, and financial training.  Jeffs CPA has a strong foothold on the southern NH and seacoast NH market that will expand the ADC reach into these areas.


Keith Congdon, CPA, President of Ambrosi Donahue Congdon & Co., P.C., stated, “We feel so blessed and are so grateful to have Ray Jeffs join ADC, bringing his deep technical expertise and his strong client relationships, as well as his incredible life experiences as a former United States Air Force pilot.  Ray is firmly committed to client service, and we expect that his capacity to provide exceptional service will only be enhanced by the resources available through our combined efforts.” 


Raymond Jeffs, CPA, LLC Manager of Raymond E. Jeffs, CPA, PLLC, stated, “I am thrilled to join ADC after so many years of friendship with Keith and his team.  I am convinced that our combined teams will provide a greater level of service to our clients, increase the breadth and depth of services offered, and create new opportunities for our people and our clients.”


Following the acquisition, ADC will continue to operate from its headquarters in Newburyport, Massachusetts and will maintain a satellite office servicing its southern New Hampshire clients from 24 Stickney Terrace #9, Hampton, New Hampshire. 


About Ambrosi Donahue Congdon

Ambrosi, Donahue, Congdon & Co., P.C. is a provider of accounting, tax, advisory and assurance services to businesses throughout the United States.  In addition to its traditional commercial and personal/trust and estate practice, ADC is also a leading provider of specialized government contract accounting and advisory for early-stage startups.  With offices in Massachusetts and Southern New Hampshire, and talented employees positioned nationwide, ADC is uniquely capable of meeting your most critical challenges.  The firm is licensed in Massachusetts and New Hampshire.


For more information, please contact Anthony Rita, CPA, Director, Ambrosi Donahue Congdon & Co., P.C. or email



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Author: Anthony Rita

Author: Anthony Rita

Anthony brings over 20 years of combined experience in the areas of corporate accounting, auditing, and tax.

Commercial Services & Manufacturing

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