The Open Ownership Principles set out best practice standards for effective beneficial ownership disclosure. They are intended to support governments implementing effective beneficial ownership transparency reforms and guide international institutions in understanding and supporting this work
Expert advice for implementing beneficial ownership transparency, covering the full journey from commitment to data use
Published: 01 July 2021
The Beneficial Ownership Data Standard is an open standard providing guidance for collecting, storing and exchanging high-quality data on beneficial ownership
This impact story explores how the Philippines, with support from Opening Extractives, is improving availability and use of beneficial ownership data
Written by Nyasha Vera, Opening Extractives
Published: 23 January 2026
This month, Open Ownership colleagues are co-organising and speaking at several sessions during the Eleventh Session of the Conference of the States Parties to the United Nations Convention against Corruption in Doha, Qatar
Written by Open Ownership
Published: 10 December 2025
To mark International Anti-Corruption Day, this blog post considers how the upcoming eleventh session of the Conference of the States Parties to the United Nations Convention against Corruption (CoSP11) might build on the progress made on beneficial ownership transparency since CoSP10 in December 2023
Written by Phoebe Williams
Published: 09 December 2025
Introducing the Beneficial Ownership Data Standard
Written by Tim Davies
Published: 29 June 2017
The Open Ownership Register has been updated to include information about the beneficial owners of over 240,000 Ukrainian companies
Written by Zosia Sztykowski
Published: 03 January 2018
Open Ownership recently launched a new feature allowing anyone to download the entire Register dataset in one go
Published: 26 February 2020
Open Ownership is launching a new software tool for visualising beneficial ownership data
Written by Steve Day
Published: 09 October 2020
In late 2020, the US government passed the National Defence Authorisation Act which included important corporate transparency reforms
Published: 14 January 2021
Zambia officially launched its participation in the Opening Extractives programme on 10 December 2021
Published: 16 December 2021