Failure of the Pemrokeshire-based company was blamed on a combination of market downturn and harsh winter weather.
. It did not take long for the whole group to follow.
Administrators Rob Lewis and Ross Connock of PwC are looking for a buyer.
Joint administrator Ross Connock said that FH Gilman & Co was a well-known business within its local markets with a strong reputation for quality and service.
He added: "Our main priority will be to continue to trade while we seek a sale of the business and assets. In looking to achieve a sale, it will be critical that we retain the ongoing support of both the employees and the suppliers to the business.”
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