Allerton Steel Ltd
- Allerton House, Thurston Road
- Northallerton
- North Yorkshire
- DL6 2NA
- UK
RQSC Bridgeworks Assessment Certificate valid to 31 October 2020
Sustainability Charter Assessment Certificate valid to 31 October 2019
Bridge Category
- AS Ancillary structures in steel associated with bridges, footbridges or sign gantries (eg grillages,purpose-made temporary works)
- FRF Factory bridge refurbishment
- BA Bridges with stiffened complex platework (eg in decks, box girders or arch boxes)
- CM Cable-supported bridges (eg cable-stayed or suspension) and other major structures (eg 100 metre span)
- FB Footbridges
- SG Sign Gantries
- CF Complex Footbridges
- PG Bridges made principally from plate girders
- TW Bridges made principally from trusswork
SCCS Certification
- FPC-EXC-4 BS EN 1090-1 – Factory Production Control (Execution Class 4)
- NHSS20 National Highways Sector Scheme (Steelwork Execution)
Accredited Certification
- QM BS EN ISO 9001 - Quality Management
Sustainability
SCSC Silver Member
Company Membership
- RQSC
- SCSC
- SCCS