Full members must be firms and not individuals unless the creation of partnerships or other collective arrangements is not possible within a particular jurisdiction. The firm must be based in Europe in a substantial commercial centre and be at least of medium size in their jurisdiction. They must be able to advise in good English both orally and in writing. They must have modern business systems, including a website in English when that is permitted in their jurisdiction.

Furthermore, full members must have significant expertise in four out of the following five Core Practice Areas; General corporate law, General commercial law, Property law, Employment law and Litigation concerning the aforesaid.

In addition to the Core Practice Areas, it is desirable that members have expertise in the following Highly Desirable Practice Areas; Insolvency law, Intellectual property law, Law relating to new technologies and Tax law.

Full members must have an active interest in cross-border work and have the capability of referring work to other members.