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 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
This piece shares key findings from Open Ownership’s assessment of the usability of Norway’s beneficial ownership register, highlighting its strengths, limitations, and opportunities for improvement
Written by Maria Jofre , Tymon Kiepe
Published: 24 November 2025
The Beneficial Ownership Visualisation System specifies how to illustrate beneficial ownership structures using diagrams
In 2016 the UK became one of the first countries to create a public register of the beneficial owners of companies. Report by Open Ownership and Global Witness examining the register
Written by Global Witness, Open Ownership
Published: 02 November 2017
This short, accessible workbook contains scenarios and illustrations on fictional company ownership structures
Written by Kadie Armstrong
Determining the best next steps for Ukraine to take during an update of the companies register that is planned for 2018
Written by Zosia Sztykowski, Tom Mayne
Published: 29 March 2018
This policy briefing outlines the benefits that arise from making a beneficial ownership register public, and looks at how different user groups are better able to use such data
Written by Tymon Kiepe
Published: 25 May 2021