Here’s a list of leading national suppliers of magnetic modeling in the United Kingdom:

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Leading National Suppliers of Magnetic Modelling in the United Kingdom

1. FerroTec

   • Specializes in magnetic materials and solutions for various industries including electronics and automotive.

2. Magnet Expert Ltd

   • A supplier of magnets and magnetic systems for domestic and industrial applications.

3. Magnetic Solutions Ltd

   • Focuses on custom magnetic assemblies and offers a range of magnetic products.

4. Mustad UK Ltd

   • Provides a range of magnetic modeling tools, particularly for educational purposes.

5. Bunting Magnetics Europe Ltd

   • A leading manufacturer of magnetic separation and metal detection products.

6. International Magnetic Solutions (IMS) Ltd

   • Offers magnetic materials and services, including bespoke magnetic modeling solutions.

7. Ad-Vance Magnetics

   • Supplies various magnetic products and specializes in innovative magnetic solutions.

8. ACS Magnetic Shields

   • Specializes in magnetic shielding and regulatory compliance products.

9. Magnetic Applications Ltd

   • Provides a range of magnetic modeling and simulation software.

10. Loughborough Magnetic Materials

    • Research-focused supplier offering high-quality magnetic materials for various applications. ```

Please verify the information as it can change over time, and consider checking company websites or industry reports for the most current details.