Despite the fall, the company said in its annual results for the year to 31 March 2009, that it had an 'excellent year' although trading conditions had been difficult.
OHOB, which was formed in 1972 and is now under the sole ownership of Tom O'Brien, offers concrete frame services, highways works, remediation and regeneration, and housing infrastructure.
The highest-paid director at the company took a 7% pay cut from ВЈ205,340 to ВЈ190,619 for the year.
Net funds at the business as at 31 March increased to ВЈ1.9m, from ВЈ803,495 in the previous year.
Ardmore wins to boost turnover