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JOSCAR - The Joint Supply Chain Accreditation Register

JOSCAR (the Joint Supply Chain Accreditation Register) is a collaborative tool used by the aerospace, defence and security industry to act as a single repository for pre-qualification and compliance information. 3SL is pleased to announce we are now JOSCAR accredited.


ISO 9001:2015

ISO 9001:2015 specifies requirements for a quality management system when an organization:

  1. needs to demonstrate its ability to consistently provide products and services that meet customer and applicable statutory and regulatory requirements, and
  2. aims to enhance customer satisfaction through the effective application of the system, including processes for improvement of the system and the assurance of conformity to customer and applicable statutory and regulatory requirements.
ISO 9001:2015.

Cyber Essentials

Cyber Essentials is a scheme instigated by the UK Government that seeks to confirm the basic integrity of the IT systems of companies who interact with the UK Government.


IASME Consortium

The IASME standard has been recognised as the best cyber security standard for small companies by the UK Government. The IASME certification is also seen as showing compliance to ISO27001.

IASME, Information Assurance for SMEs

Digital Marketplace

Cradle software for requirements management and systems engineering is now available through the Digital Marketplace. A full range of software as a service ("SaaS"), training and consultancy services are available for projects up to and including OFFICIAL (formerly IL0 through IL3).

XenApp 7

Cradle is certified against XenApp and XenDesktop SDKs that enable customers to mobilise and virtualise Windows applications.

XenApp 7

Citrix Ready® Partner Programme

Cradle has met the verification criteria set by Citrix which signifies that a partner's product is compatible with Citrix and can be used with confidence.


3SL are members of INCOSE (International Council on Systems Engineering). The International Council on Systems Engineering (INCOSE) is a not-for-profit membership organisation founded to develop and disseminate the interdisciplinary principles and practices that enable the realisation of successful systems.

International Council on Systems Engineering

Microsoft Developer Network

3SL is a member of the Microsoft Developer Network (MSDN), a set of online and offline services designed to help developers write applications using Microsoft products and technologies.