The Japanese-owned manufacturer said it wants to concentrate on more profitable after market sales
Air filter maker AAF says it is targeting higher margin work amid poor global economic conditions and the rise of alternative energy sources.
The Cramlington-based firm, part of Japanese multinational Daikin Industries Ltd, specialises in the gas turbine filters used in the energy sector. It also offers after market products and services as well as equipment for controlling emissions.
New accounts show the company, which employs about 127 people at its facility off South Nelson Industrial Estate, show turnover slumped from £34.5m to £21.7m in the year to the end of March 2025. Operating profit period fell from £2.8m from the year before to £1.5m.
Bosses said the numbers were down to a large, long term project pumping up 2024 revenues compared with the 2025 revenues when the firm was focussed on shorter term after market projects – an area AAF is now targeting in the wake of poor global economic conditions impacting its key large-scale gas turbine markets. It said that new direction would bring greater profitability and faster growth.
Directors pointed to growth in profit margin from 36.1% to 48%, partly as a result of revaluing foreign exchange contracts, but also thanks to renewed focus on short term projects. Research and development spending continued at £1.19m, down from £1.37m, with resulting new products said to be contributing to revenue and profits.
The firm also said it would continue to invest in new facilities for developing and testing of products. It said investment in the latest engineering and design technology was needed to maintain its strong position in the market.
Writing in the accounts, director Ian Creasey said: “AAF Limited will continue to concentrate on the most profitable areas of business and drive the benefits of new products whilst maintaining strict cost control and establishing further efficiencies in project execution. Resources are focussed on the growing and more profitable aftermarket aspects of the business.
“As a result, AAF Limited has seen a continuation of profitability in the current year and continues to enjoy the support of ultimate parent company, Daikin Industries Limited, in working toward its long-term goals.
“The company has undertaken various initiatives during the year to enhance the working environment and employment conditions and to maximise its relationship with staff through increased internal communication, training and development and new processes, to ensure that it continues to attract the best employees.”
Last week activist investor Elliott Investment Management said it took a stake in AAF owner Daikin, wanting to work with the firm to improve its performance and valuation. It said the conglomerate’s track record of long term growth meant it was undervalued.
In announcing the move, Elliott said there was an opportunity to “address the root causes of this undervaluation by announcing concrete measures to expand margins, improve shareholder returns and review its portfolio of non-core businesses”.








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