Signal House Group Quality Assurance

Quality and safety assurance and processes are of paramount importance to all companies forming the Signal House Group.

All Group companies are BS EN ISO9001:2000 approved.
All Group companies hold occupational health and safety accreditation OHSAS18001.
All Group companies have gained environmental accrediction to ISO14001.

All Group certficiation can be obtained by clicking in the relevant cell in the table below. In order to view the docuements you will need a PDF viewer.

	Collis Engineering	Signal House	Collis Civil Engineering
ISO9001	Click to download PDF document. File size 704kb	Click to download PDF document. File size 671kb	Click to download PDF document. File size 680kb
OHSAS180001	Click to download PDF document. File size 696kb	Click to download PDF document. File size 667kb	Click to download PDF document. File size 669kb
ISO14001	Click to download PDF document. File size 521kb	Click to download PDF document. File size 485kb	Click to download PDF document. File size 499kb

Link-Up Qualification Scheme

The Group is active in the Link-Up qualification scheme.

To view the Certificate of Registration for Collis Engineering Ltd (including Collis Civil Engineering) please click here (file size 227kb) . To view the Certificate of Registration for Signal House Ltd please click here (file size 233kb).

Collis Engineering Ltd is also qualified via audit (the old PROOF scheme). To view the Qualified via Audit certificate please click here (file size 232kb).

A full list of product codes for Collis Engineering Ltd can be downloaded here (file size 1,616kb). A full list of product codes for Signal House Ltd can be downloaded here (file size 587 kb)