Sheep Wool Insulation Ltd. is part of the Pierce Group of companies, which is more than 150 years in business. The original business was started to purchase greasy fleece wools directly from Wicklow farmers for sale into English woolen mills. The business has since expanded to purchase wools from farmers and merchants around Ireland and England and now sells these wools worldwide. Other wool related companies in the group are listed below with their descriptions.

Sheep Wool Insulation Ltd. began by researching the materials and methods to produce the most natural, efficient and renewable insulation products.

The company now supplies a range of thermal and acoustic insulation products made from 100% pure new sheeps wool, manufactured to the highest specifications.