BDO Seidman Alliance Email Format

AccountingIllinois, United States11-50 Employees

BDO Alliance USA is a major association within the accounting and professional services field, comprising hundreds of member firms across the United States. The alliance provides member firms with access to the resources of BDO USA, the global BDO network, and collaboration with other Alliance members, enabling services to be expanded for clients while preserving existing relationships and firm autonomy. Founded more than 30 years ago and based in Chicago, Illinois, the organization operates as a subsidiary of BDO USA, P.C., linking over 400 U.S. firms and more than 25,000 professionals across more than 900 locations. A notable development in 2026 included BDO USA, Llp receiving a Gold designation for its mental health and well-being programs. The alliance remains positioned in the accounting and professional services space as a network that supports independent member practices while leveraging the BDO ecosystem to serve clients nationwide.

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