I just learned from a third party; Spartan Games has ceased operations.
I'd share more info, but their website has seemingly crashed.
More as I learn it.
[UPDATE] Snippet from today's Spartan Games blog:
"The following statement is issued today, Friday 25th August 2017. Following a prolonged period of challenging trading and despite the directors’ best efforts to manage through, Rebel Publishing Ltd was unable to continue to trade and the directors have taken the difficult decision to cease. All members of staff were made redundant. The company, which traded as Spartan Games, is a Somerset, UK based provider of tabletop miniature games which include Uncharted Seas, a fantasy naval combat game (now retired) Firestorm Armada, an..."