Nature of business

Manufacturer of composite external doors for the house building industry.

Description of deal

IG Doors was sold to the Hörmann Group (Hörmann) representing 3.3 times money.

Growth strategy

To enhance manufacturing and production capabilities and increase sales to the social housing sector.


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It is now the largest manufacturer of exterior doors in the UK – with a number one position in the new-build residential market and an ever increasing presence in social housing development.

NVM originally supported the management buy-out of IG Doors from an industrial conglomerate who considered this arm of its business non-core. NVM’s funding enabled IG Doors to invest heavily in its manufacturing facilities, which has maximised production efficiencies.

IG Doors continued to grow throughout the economic downturn, achieving a 70% increase in turnover during this period. This was particularly notable at a time when new house building projects were at an all time low.

IG Doors’ dominant market position and well-invested manufacturing facility attracted a lot of trade interest in its market, and in 2013 the business was sold to Hörmann — a family-owned German manufacturer of residential and industrial doors. The partnership will help Hörmann to strengthen its presence in the UK market and in turn help IG Doors to develop new market opportunities.

NVM has offered dedicated support over the years, and the sale to Hörmann Group is extremely well-timed for our business growth.

Mark Pulman, Managing Director, IG Doors