Mr MacLean, a former senior partner in M&A and corporate finance at law major CMS, becomes head of corporate development and Mr Scullion, ex global marketing director for Palla Pharma Limited, is now head of business development.

The Dundee firm has developed a patented technology which repairs and protects the leading edge of wind turbine blades from erosion – a significant issue for operational onshore and offshore windfarms.

Their product is a custom-fitted modular shield – known as Armour Edge – which has been developed in tandem with chemicals giant INEOS using a bespoke version of their ultra-tough Luran SC thermoplastic material, designed specifically for wind turbine blades.

The firm now have a growing order book from operational wind farms across Europe, the USA and Asia and are looking for new funds to expand their team and meet demand.

Earlier this year they closed a £1m enterprise investment scheme (EIS) round though existing and new private investors and are now seeking to bring impact funds and corporate investors on board. They are also working with a major manufacturer to explore the potential to factory-fit shields to new blades which could significantly disrupt the existing blade market by markedly reducing the ongoing maintenance requirement on operational turbines.

Mr Scullion said: “The business is growing much faster than expected. Leading edge erosion is a major issue for wind farm operators and we are now getting second and third orders from our early customers including RWE and Offshore-Windpark Riffgat GmbH.

“The feedback we are receiving is that Armour Edge is quick and easy to install. Our US installer is now able to repair a 10-metre blade in a single day – which is much faster than expected and quicker than most of the current alternatives. This means less downtime and lost revenue for operators. Plus the shields’ durability means a single install could last for decades.”

In a further step, the company has commissioned new research with a leading European wind industry test house to back up an earlier study by ORE Catapult which predicted a 50-year life span for the ultra-tough shields.

Will Howell, operations director, added: “The study has been commissioned at the request of a major blade manufacturer. They are interested in the potential to factory-fit the shields as a final step in the manufacturing process, significantly improving the erosion durability of new blades.

“We are also talking to potential customers in Australia and Latin America, meaning we can realistically expect to have a global order book by the year end.

“New funds will allow us the execute our current business plan and accelerate activity in the months ahead.”