He was a partner in the London brewing firm of Truman, Hanbury, & Co. and a J.P. and a Deputy Lieutenant for Essex. He was commissioned as Ensign in the part-time 7th (Mile End) Tower Hamlets Rifle Volunteer Corps on 19 August 1862. The unit formed part of the 1st Administrative Battalion, Tower Hamlets Rifle Volunteer Corps, commanded by his uncle Charles Buxton, MP, and elder brother Sir Fowell Buxton, 3rd Baronet.
He was a partner in the London brewing firm Truman, Hanbury, & Co. and held positions as a J.P. and Deputy Lieutenant for Essex. On August 19, 1862, he was commissioned as Ensign in the part-time 7th (Mile End) Tower Hamlets Rifle Volunteer Corps, which was part of the 1st Administrative Battalion commanded by his uncle Charles Buxton, MP, and elder brother Sir Fowell Buxton, 3rd Baronet.