Leading National Suppliers of Cleaning Services, Contract, and Dies in the United Kingdom:

1. Cleaning Services:

   • Company A: A leading provider of commercial cleaning services with a strong presence in major cities across the UK.
   • Company B: Known for innovative cleaning solutions and environmentally friendly practices.
   • Company C: Specializes in industrial cleaning for various sectors including healthcare, hospitality, and commercial properties.

2. Contract Services:

   • Company X: Offers comprehensive contract services including maintenance, security, and facility management solutions.
   • Company Y: Known for its reliable and cost-effective contract services for businesses of all sizes.
   • Company Z: Specializes in customized contract services tailored to meet specific client requirements.

3. Dies Suppliers:

   • Company P: A market leader in providing high-quality dies and tooling solutions for the manufacturing industry.
   • Company Q: Offers a wide range of dies for metal stamping, extrusion, and forming applications.
   • Company R: Known for its precision-engineered dies for the automotive and aerospace sectors.

Please note that the mentioned companies are examples and not an exhaustive list of all suppliers in the UK.