Castle Worldwide is a firm that provides office administration support, professional and technical services, IT and computer services, business support, and software to nonprofit clients. They operate nationwide, with nonprofit clients using their services across the country.
Most Castle Worldwide clients are with revenues ranging from $0 to $0.
Previous legal names, trade names, or just variations of their name include: Castle Inc.
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Competitors to Castle Worldwide in the nonprofit sector include and Drinker Biddle and Reath LLP.
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