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RMA Announces the Acquisition of A3GEO

Addition of leading geotechnical engineering firm in Northern California supports RMA’s growth strategy

RMA Companies (“RMA”) today announced that it has acquired A3GEO (“A3GEO”), a provider of geotechnical, geologic, and earthquake engineering services in Northern California. Since December 2021, RMA has completed eight acquisitions, as it executes an aggressive growth strategy to build a national platform providing geotechnical engineering, environmental consulting, construction materials testing, inspection, and certification to support the development of the nation’s critical infrastructure.

Founded in 2010, A3GEO serves public and private customers across multiple markets with specialized expertise identifying, characterizing, and mitigating geohazard-related risks associated with ground shaking, land sliding, and liquefaction. Based in Berkeley, California, A3GEO serves customers from initial risk assessment through foundation design, and is led by founders, Dona Kelly, PE, GE and Wayne Magnusen, PE, GE. A3GEO will operate as a business unit of RMA GeoScience and Dona Kelly will lead the combined group as President.

“The addition of A3GEO to the RMA Family of Companies strengthens our geotechnical, geologic, and seismic service offerings in California,” said Ed Lyon, CEO of RMA. “The addition of A3GEO’s capabilities, certifications and key client relationships will allow us to pursue a wide range of federally funded projects throughout the Western United States.”

“We have built an extensive track record of customer service and employee development as a top-tier geotechnical, geological, and seismic engineering firm in Northern California,” said Dona Kelly. “This acquisition will bring new resources and expertise to our customers, and we are excited to continue our growth strategy.”

“I am thrilled to have taken this step as it will open new doors for our clients and create opportunities for our professional staff,” said Wayne Magnusen.

About RMA Companies

RMA is a leading provider of professional services in environmental consulting, geosciences, and materials testing and inspection for critical public and private infrastructure assets across diverse government and commercial end-markets, including transportation, healthcare, education, renewable energy, and water resources. RMA’s team of engineers, geologists, inspectors, and technicians help infrastructure asset owners, engineering firms, and construction companies maintain compliance with strict regulatory and operating requirements through a range of geotechnical, environmental, and materials testing services. Founded in 1962, RMA is headquartered in Rancho Cucamonga, California. RMA is a portfolio company of OceanSound Partners. For more information, please visit

About A3GEO

A3GEO provides geotechnical, geologic, and seismic consulting services to public and private clients. A3GEO serves a diverse set of clients across market sectors with multiple services including geotechnical, geologic, and seismic investigations and expert consultation, seismic engineering, ground motion studies, and construction-phase observation and testing. For more information, please visit

About OceanSound Partners

OceanSound Partners is a New York-based private equity firm that pursues control investments in technology and technology-enabled services companies serving government and enterprise end-markets. OceanSound employs a partnership approach, working closely with founders, entrepreneurs, and executives of middle market businesses to drive transformational growth. For more information, please visit:


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