Checking services
NSL Checking provides organisations in both the public and the private sectors with a one-stop solution for:
Currently supporting local authorities, the NHS and national retail chains across the UK and the Republic of Ireland, we provide unmatched levels of service and support.
The Home Office has released details of its proposed rule changes from 1 July 2021. There have been some changes to the acceptable documents for proving a right to take up work in the UK. Find out more by downloading our quick guide.
Keesing Technologies is the world’s leading provider of identity document validation systems. As the sole provider of Keesing products within the UK and the Republic of Ireland, we offer a range of services including simple visual check systems, mobile checking systems and bespoke desktop document scanning systems.
Verifying whether an existing or prospective employee on a time-limited visa has a right to take up work in the United Kingdom or the Republic of Ireland can be a complicated and time consuming task. We provide an efficient solution with trained and experienced vetting officers and a simple to use applicant on-boarding system. It integrates with existing applicant tracking and on-boarding systems to ensure that right to work issues can be expertly managed.
With an online portal providing access to the UK’s criminal record database organisations, NSL provides electronic resources to speed up submission times and track the checking progress. Criminal record checking can be undertaken at all levels, from basic to enhanced, through all government security levels.
Background screening services include references, financial, employment and educational qualification checks. Specific packages for the financial services and security sectors are also available.
Marston - 24-hour automated payment line
Speak to Marston team to make a payment or to discuss your circumstances
Our opening hours are 8 AM to 8 PM Monday to Friday, 8 AM to 4 PM on Saturdays.
It is always quicker and easier to contact us by phone or email. If you do need to send us anything in the post, please send it to:
To pay by post, send a postal order, cheque or banker’s draft, made payable to ‘Marston’ to the address above. Make sure that you write your name and our reference number on anything you send us and if sending us a payment, on the back of the postal order, cheque or banker’s draft so we know what the payment is for.
Business enquiries
Use our online form and a member of our team will be in touch as soon as possible.
Business enquiries
Media enquiries
Use our online form and a member of our team will be in touch as soon as possible.
Business enquiries
Media enquiries
Use our online form and a member of our team will be in touch as soon as possible.
Use our online form and a member of our team will be in touch as soon as possible.
Use our online form and a member of our team will be in touch as soon as possible.
Use our online form and a member of our team will be in touch as soon as possible.
Use our online form and a member of our team will be in touch as soon as possible.
Use our online form and a member of our team will be in touch as soon as possible.
Use our online form and a member of our team will be in touch as soon as possible.
Business enquiries
Use our online form and a member of our team will be in touch as soon as possible.
Business enquiries
Use our online form and a member of our team will be in touch as soon as possible.
Business enquiries
Use our online form and a member of our team will be in touch as soon as possible.
Use our online form and a member of our team will be in touch as soon as possible.
Use our online form and a member of our team will be in touch as soon as possible.
Use our online form and a member of our team will be in touch as soon as possible.