Clarksons directors have been meeting shareholders in a bid to head off any potential revolt over its pay policy.

The London shipbroking wants to ensure it is not forced to break the contracts of chief executive Andi Case and finance chief Jeff Woyda, following the result of an upcoming vote in May.

Chairman Sir Bill Thomas said he considered the issue so important that he and remuneration chair committee chairman Tim Miller and director Peter Backhouse have started a "major engagement process" with holders of 49% of its stock.