Coming from a naval background, he entered the Royal Navy as a cadet on Britannia in 1886 before serving as a midshipman with HMS Swiftsure.

[1] He married Andrew Clarke's daughter, Elinor Mary "Nell" de Winton, in 1903, a year before his promotion to commander (he was made a captain in 1909).

He sat on the government's "Advisory Committee for Aeronautics", located at the National Physical Laboratory, under the chairmanship of Richard Glazebrook and presidency of John Strutt, Lord Rayleigh.

[1] After his naval service Sueter entered politics as a member of the Anti-Waste League and was co-sponsored by them and the Independent Parliamentary Group for the 1921 Hertford by-election which he won.

[7] Along with several other members of the group, including a number of parliamentarians, he accepted an invitation from Joachim von Ribbentrop to attend the 1936 Nuremberg Rally.