O'Hagan Meyer | 17,308 followers on LinkedIn. Proven Results. Exceptional Client Service. | As a national law firm defending corporations, non-profits, associations and their officers & directors in every manner of litigation, O'Hagan Meyer provides individualized services that clients expect when defending cases against them. "Our clients require the highest level of service,"​ says partner Kevin O'Hagan. The firm understands that a client's time and money is valuable.