Income for the 12 months to 30 September fell to £164m from £216m beforehand.
However administrators stated the group remained resilient, underpinned by steady margins, repeat enterprise and powerful money reserves.
EBITDA got here in at £6.5m, and margins edged as much as 4% from 3.5%.
Money at financial institution closed the 12 months at £12m with internet property raised to £20.5m from £17.6m.
Chairman James Coffey stated: “We’re extremely pleased with the outcome given the challenges out there.
“The group’s future order ebook and pipeline stays robust because the enterprise focuses on persevering with to work with each new and long-established purchasers.
“In line with the earlier 12 months, to make sure the enterprise has a diversified and safe income era, we now have continued to prioritise the expansion of our infrastructure, knowledge centre and structural alterations, together with the builders work and fireplace safety components of enterprise.”
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