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Ogier provides practical advice on BVI, Cayman Islands, Guernsey, Irish, Jersey and Luxembourg law through our global network of offices across the Asian, Caribbean and European timezones. Ogier is the only firm to advise on this unique combination of laws.

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We get straight to the point, managing complexity to get to the essentials. Our global network of offices covers every time zone. 

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Diana Collas

Senior Associate


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Diana is a senior associate in Ogier's Guernsey corporate team. She advises on a broad range of corporate, banking, derivatives and finance transactions in respect of Guernsey and British Virgin Islands entities. Diana also has over ten years' experience of listings on The International Stock Exchange.

Background and experience

Diana focuses on corporate, banking and listing work. She advises on a broad  range of corporate, banking, derivatives and finance transactions in respect of Guernsey and British Virgin Islands entities including legal opinions, migrations, amalgamations, real estate finance, acquisitions, restructuring and regulatory aspects and has over ten years' experience of listings on The International Stock Exchange and general listing services.

Prior to joining Ogier in May 2003, Diana was a Fellow of the Institute of Legal Executives for another leading offshore law firm where she had worked since 1990 and had worked her way up from legal secretary. Diana qualified as an English Solicitor in 2008 and as a BVI Solicitor in 2009.

Admitted in:
2008 - England and Wales
2009 - British Virgin Islands

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"Rising star"

Legal 500 UK, 2021

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"Rising star"

Legal 500 UK, 2020

"Diana was brilliant; calm, articulate and professional."

Client feedback, 2019

"They did an absolutely brilliant job of being proactive and problem solving."

Client feedback, 2019

"Responsive, clear, concise and practical advice, ability to meet tight deadlines."

IFLR 1000 2018

"She gave us clear, commercial advice and she was able to issue her opinion on time without too much hassle"

Client feedback

"She was friendly and helpful, approachable and easy to contact when we needed her"

Client feedback

"I found them to be very helpful, very polite, and very attentive and supportive"

Client feedback


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