The group will have a seat on the governing board while it continues to participate in The Open Group's architecture and security programmes.
Philips, which has been a member of Open Group since April 2006, will have a seat on the governing board and continue to participate in architecture and security programmes.
The healthcare company said it has also applied to become an Accredited Certification Programme (ACP) provider for Open CITS and Open CA, meaning it will be able to operate both programs internally.
Allen Brown, president and CEO of The Open Group, said: "We highly value the company's efforts and determination to help establish our Open CA and Open CITS certification programs as the best way to assess the skills, strengths and development opportunities for their IT workforce and to benchmark them against an industry standard."
There will be an inaugural Philips and Open Group co-hosted event for IT Specialists at the High Tech Campus in Eindhoven, The Netherlands on 20 November 2013.
Open Group released ArchiMate 2.0, which is supposed to enable the creation of fully integrated models of an organisation's Enterprise Architecture, in 2012.