The Wales Fast Growth 50, 2025.

The fastest-growing indigenous firms in Wales have been revealed. The Wales Fast Growth 50 for 2025, which ranks firms on revenue growth between 2022 to 2024, is headed by Cwmbran-based renewable energy solution venture Smart Energy Homes. Over the two-year assessment period it grew revenues by 2,672.7% from £769,890 to £21.3m.

The company delivers air source heat pumps, solar PV, battery storage, and whole-house retrofit solutions to help reduce carbon emissions and energy costs. It currently employs more than 80 staff and works with more than 120 specialist contractors. It is also expanding its social housing, able-to-pay and commercial divisions.

As well as being named the fastest growing firm in Wales, Smart Energy Homes has also been recognised as th

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