SSIP and Deem to Satisfy | DTS | Contractor | CHAS

​Deem To Satisfy​

There are two primary ways to achieve 'Deem To Satisfy';

  • ​​​If you are registered compliant with CHAS, then you can use this accreditation to gain membership with other SSIP member schemes without having to undergo duplicate applications.
  • Alternatively, if you have been registered compliant with another SSIP member you can obtain registration without a CHAS assessment via the Deem To Satisfy application.​​

​The service levels for existing members of SSIP and new ones as they join are described in detail on the SSIP web site at​​

Already Accredited with a SSIP Member and want to join CHAS? Click the button below to get started today!


If you would like any further information, please complete the short form below and a member of experienced team will be in contact shortly.

Request a Callback from our experienced team today!




OHSAS 18001/ISO 45001

If you want to apply for a "Deem to Satisfy" (DTS) Certificate to a Registered Member (RM) based on your OHSAS 18001/ISO 45001 certification, please ensure you have completed the SSIP element with your certification body so that your certificate details are populated on the SSIP portal. Please note that an RM cannot issue DTS certificates unless this data is on the SSIP Portal. 

SSIP rules require a concept of "date alignment" between issuing Certification Bodies (CB's) and Registered Members (RM's). What this means is that issuance of a DTS certificate by the RM will be dated to expire on the same day and month only with the year adjusted to align with the OHSAS 18001/ISO 45001 certificate expiry date, as detailed on the SSIP Portal. So if you are applying for a DTS certificate at any time after your OHSAS 18001/ISO 45001 certification begins, it will be aligned in the first instance with your OHSAS 18001/ISO 45001 certificate date (day and month only)

NB. OHSAS 18001/ISO 45001 certification is valid for 3 years – DTS certificates are valid for 1 year.


OHSAS 18001/ISO 45001 expiry date is 30 November 2020

DTS application date is 15th April 2018

Therefore DTS certificate will be issued to expire on 30th November 2018

If the DTS is renewed between 30th September and 30th November 2018, the renewal will expire on 30th November 2019 (max 14 months)

If it's renewed again between 30th September and 30th November 2019, the renewal will expire 30th November 2020 (to coincide with 18001 expiry date)

To apply using your OHSAS 18001/ISO 45001 please click here.