Began with J. G. White & Company, engineers and builders, Baltimore, Maryland., 1894. General manager and engineer Eastchester Electric Company, Mount Vernon, New York, 1896-1898. Practiced at Salisbury and Winston-Salem, North Carolina, 1899-1900.
Constructing electric light and power and street railway, San Juan, P.R., 1900-1901. In Mandalay, Burma, and Hyderabad and Bombay, India, 1901-1902. In charge street railway construction in many cities in England, for J. G. White & Limited company, 1902-1904.
Financial director same company, in London, England., 1904-1909. Established firm Beaver White & Company, London, 1909. Director International Light & Power Company, Home and Foreign Securities Company.