 Beach was actively involved in the rapidly growing British railway industry, and became a Director of the London and South Western Railway, becoming Deputy Chairman of the railway's Board under the Chairmanship of Sir William Wyndam Portal, 2nd Baronet.When a Masonic Lodge was formed for the staff of the London and South Western Railway it was named Beach Lodge after the Deputy Chairman, who also served as the Lodge's first Worshipful Master.Beach married Caroline Chichester Clevland, daughter of Colonel Augustus Clevland of Tapeley Park, North Devon in 1857.