Plumbe, CEO of AIM quoted ACM, saw his final cheque shrink from £509,000 ($792,000) to £421,000 year-on-year, the company’s annual report shows.

The shortfall was due to a contracting bonus, which dipped from £324,000 to £237,000.

Plumbe, whose basic salary was unchanged at £170,000, was again not the top earner among ACM executives.

That honour fell to James Gundy who walked off with £496,000 for fiscal 2012, down from £692,000 in the previous 12 months.

Gundy’s