Join us for a weekend of hacks
This weekend, we will be joining Wikimedia UK for an Open Data Hack and CLEAR Info project for an Environmental Data hack. We wanted to invite you to join us for both of…
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July 2, 2014
Global Legal Entity Identifier (LEI) Foundation launched
Last week was a big step forward in the history of open company data, with the formation of the Global Legal Entity Identifier Foundation, which will oversee the global system of…
June 30, 2014
Photo by Paul Bica
Ruby and Python coders – can you help us?
Who controls the biggest corporations in the world? What licences do they hold? What patents have they been granted? What government contracts have they won? If we can't answer important…
June 16, 2014
Icon designed by Scott Lewis
Crunching the numbers on Open XBRL Accounts Data
It’s been 4 months since we started importing UK company accounts data as XBRL (a worldwide standard format that allows company accounts to be easily readable by computers), thanks to the…
April 8, 2014
New API version released: corporate networks, accounts, and more
We're proud to announce that version 0.3 of the OpenCorporates API is now live, with many, many new features, improvements (and even a few bug fixes). Along the way, we've…
February 27, 2014
Understanding corporate networks. Part 4: how we record the data
In parts 1, 2 and 3 of this series, we explored the complex world of corporate control, and how it is described in various regulations. We found that a company may…
January 8, 2014
Announcing Open LEIs: a user-friendly interface to the Legal Entity Identifier system
Today, OpenCorporates announces a new sister website, Open LEIs, a user-friendly interface on the emerging Global Legal Entity Identifier System. At this point many, possibly most, of you will be wondering: what…
November 27, 2013
Understanding corporate networks. Part 3: where’s the data?
What is a subsidiary? What do we mean by control? In Part 2 of this series on understanding corporate networks, I explored these questions and how they are answered by regulatory…
November 19, 2013
Another UK company data milestone: Accounts as open data
Update: In record time we've starting importing Companies House XBRL data, and extracting the key financial figures from it (you can also click through to the underlying accounts themselves). It…
November 1, 2013
British PM gets it: good business requires good, open data
Today, at the Open Government Partnership meeting in London, David Cameron, the UK Prime Minister, has announced that the UK government is going to make the new register of company…
October 31, 2013