18 Nov 2025

Very strong results – ahead of expectations. Great momentum

Investor
Full year results 2025

Hear from our CEO Johnny Thomson 

Today we announced a strong set of full year results for Diploma PLC which reflect the strength of our diverse businesses and the dedication of our teams across all of our markets.

  • Very strong organic revenue growth of 11%, ahead of expectations. Volume-led growth in all three Sectors. Reported growth of 12%, including +3% net acquisitions partially offset by FX
  • Differentiated value-add model and strong execution: Margin up 160 basis points to 22.5%, ahead of expectations
  • Strong earnings growth reflects ambition, building on long-term track record: FY25 EPS growth of 21%
  • Disciplined returns: 20.9%, up 180 basis points
  • Acquisition momentum: Six deals since start of Q4 for £92m at average 8x multiple. Total of seven since start of FY25 in attractive markets like aerospace, defence and IVD. Healthy acquisition pipeline
  • Financial firepower: Strong cash generation, modest leverage at 0.8x
  • Quality and diversity of portfolio: attractive end markets driving structural growth
  • Positive start to new year. FY26 guidance: organic revenue growth of 6%, significantly weighted to H1, and operating margin of c.22.5%
  • Sustainable Quality Compounding

Read the full announcement

Full Year Results

It’s been another great year. I’d like to thank my brilliant Diploma colleagues for their skill, dedication and passion. They make it happen. These strong results demonstrate how we balance ambitious earnings growth and disciplined returns – in good times and bad – to build on our long track record of sustainable quality compounding. We have great momentum into the new year. The quality and diversity of our portfolio positions us well for structural organic growth. Our acquisition pipeline is healthy. And the team is in great shape. We’re just getting started.

 

Johnny Thomson

Chief Executive, Diploma PLC

Sector performance

  • Controls +20% organic growth: Strong execution and attractive end market exposures. Double-digit growth in Windy City Wire and International Controls. Peerless exceeded expectations
  • Seals +2% organic growth: Sequential improvement in H2. North American Seals strong, International Seals recovered well in Europe while UK remains challenging. Well-positioned for growth
  • Life Sciences +6% organic growth: Strong growth in a tough healthcare market, driven by share gains across medtech and in vitro diagnostics (IVD) markets in Canada and Australia 

FY26 guidance

  • Organic revenue growth of 6% - with growth from all three Sectors
  • Significantly H1 weighted performance – reflecting very strong H2 comparators
  • Acquisitions announced to date add +2% to reported growth - this will increase if further acquisitions are made
  • Maintaining operating margin at c.22.5%