- SAP Calculation Hadfield
- SAP Calculation Halifax
- SAP Calculation Harrogate
- SAP Calculation Hartlepool
- SAP Calculation Hatfield (South Yorkshire)
- SAP Calculation Haworth
- SAP Calculation Hebden Bridge
- SAP Calculation Heckmondwike
- SAP Calculation Hedon
- SAP Calculation Hemingbrough
- SAP Calculation Hemsworth
- SAP Calculation Hessle
- SAP Calculation Honley
- SAP Calculation Horncastle
- SAP Calculation Hornsea
- SAP Calculation Horsforth
- SAP Calculation Houghton-le-Spring
- SAP Calculation Hoyland
- SAP Calculation Hull
Certified by the following organisations
