aosphere LLP (formerly Derivative Services LLP) specialises in providing user-friendly access to complex legal information for institutions large and small. We use our expertise in all aspects of derivatives trading and key compliance issues like shareholding disclosure, marketing restrictions and cross border data transfers to provide subscription products which help you to reduce legal, regulatory and operational risk. Our secure data management system allows you to manage your bespoke legal documents alongside your aosphere subscriptions offering a seamless, one-stop solution to risk reduction.


Jul 2015 - Bangladesh now live on Rulefinder Shareholding Disclosure. The service now covers 87 jurisdictions.

Jun 2015 - We will be exhibiting at the ISDA Annual North America (17 Sep) and Europe (22 Sep) Conferences. Click here for details.

May 2015 - The adoption of our services is gaining further momentum. We now have 220 institutions (up from 200 last November) using our services.

April 2015 - ISDA and aosphere to enhance netalytics to cover ISDA clearing opinions. Click here for details.

Feb 2015 - New Rulefinder G20 product covering the G20 initiated regulatory requirements for derivatives.

Jan 2015 - We have a new name! Derivative Services LLP is now called aosphere LLP. Learn more.

Oct 2014 - We were highly commended at the FT Innovative Lawyers awards. Our services have featured 13 times in the first 9 editions!