Deputy chairman Terry Blyth will assume Valentines role, with sales and marketing director Steven Munday taking charge of the UK market.
Valentines future plans are unknown.
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"Gosh! That’s a huge debt - especially HMRC! It’s a shock that HMRC allowed such an amount to be accumulated."
"Whatever happened to the good old fashioned cash job! At least the banks didn't take 2-3% of each sale. After 30 odd transactions that £100 quid you had has gone."
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