[3] On January 1, 1921, Pomeroy withdrew from Harris Forbes & Co., as Western New York manager, in charge of their Buffalo office, to join Schoellkopf, Hutton & Co. (founded in Buffalo in 1919), which then became Schoellkopf, Hutton & Pomeroy.
The active members of the firm consisted of Jacob F. Schoellkopf Jr., Russell J. H. Hutton,[4] and Pomeroy.
In 1930, he received an annual salary of $20,000 per year and owned 600 shares of the company.
[5] Pomeroy also served as vice president and a director of the Niagara Share Corporation of Maryland (a holding company for the Schoellkopf family utility interests in various entities including the Niagara Falls Hydraulic Power and Manufacturing Company).
[6] On November 17, 1909, Pomeroy was married to Ethel Josephine Braman (1882–1931),[7] a daughter of Josephine Adele (née Clark) Braman and Chester Alwyn Braman of New York City, president of A.D. Julliard Co.[8] Together, they resided at 550 Lafayette Avenue in Buffalo,[a] and were the parents of four children:[1][10] He was a member of the Buffalo Club, the Ellicott Club, the Yale Club of New York City and was an elder of the North Presbyterian Church of Buffalo.