Kadaster International, The Netherlands’ Cadastre, Land Registry and Mapping Agency, collects and registers administrative and spatial data on property and the rights involved (including ships, aircraft and telecom networks) in order to protect legal certainty. Kadaster is a non-departmental public body, operating under the political responsibility of the Minister of Infrastructure and the Environment.

The International Union of Notaries (UINL) is a non-governmental organisation founded in 1948 to promote, co-ordinate and develop the duties and activities of Notaries throughout the world and ensure the standing and independence necessary for optimum service to individuals and society through close collaboration between Chambers of Notaries. UINL seeks to promote study and standardization of notarial legislation; secure progress, stability and advancement of the Latin notarial system; contribute experience and advice to those practising law in the sphere of individual rights, whether comm

The Commonwealth Association of Surveying and Land Economy (CASLE) is a federation of independent professional societies representing surveying and land economy in Commonwealth countries.

Founded in 1969, CASTLE supports the establishment and development of professional bodies in its field, and to set standards for all specializations in surveying, including land and marine surveying, quantity surveying, estate management and land economy.

Arab Union of Surveyors (AUS) is the umbrella organization that represents the interests of the profession of Surveying in the following countries: Egypt, Morocco, Syria, Saudi Arabia, Jordan, Tunisia, Sultanate of Oman and Lebanon.

Founded in 2002, AUS seeks to improve and harmonize the profession of surveying in the Arab world and develop the cadastral systems for improving land management and real estate investment as an important part of the socio-economic development in the region.

AUS seeks to:

International Union for Land Value Taxation (IU), is an international umbrella organisation for land value tax reformers. It has members in 35 countries around the world - activists, politicians, professionals and academics, and some 70 national and local organisations. Founded in 1926, the IU seeks to promote sustainable prosperity for all via public finance policy reform by "stimulating in all countries a public opinion favourable to permanent peace and prosperity for all people, through the progressive removal of the basic economic causes of poverty and war".

International Federation of Surveyors (FIG=Fédération Internationale des Géomètres : FR) is the global organization for the profession of surveying and related disciplines. It was established in 1878 and formed as a legal entity in 1999, FIG represents the interests of surveyors worldwide.

It is a federation of the national member associations and covers the whole range of professional fields within the global surveying community. It provides an international forum for discussion and development aiming to promote professional practice and standards.