Nin  Ritchie

Nin Ritchie 

Group Partner *† | Guernsey

Financial Services and Regulatory

  • An individual who stands out is Nin Richie.
  • She works fast and delivers high quality work within very tight turnaround times.
    Client feedback
  • Nin Ritchie is my go to sanctions and compliance expert at Collas Crill. She is supremely clever and has a maturity in her approach to clients that is very much appreciated. Her ability to collaborate is also a key skill.
    Legal 500 (UK) 2023
  • I have found Nin to be an extremely approachable individual and very much someone that can be considered a ‘go to’ person when it comes to a myriad of questions that might require legal, regulatory, risk & governance consideration.
    Client feedback
  • Nin Ritchie is an incredible lawyer. Her insight, commerciality and legal acumen mean that she is a trusted pair of hands for sanctions and regulatory litigation work.
    Legal 500 2024 (UK)
  • Nin has always been willing to jump on a call to brainstorm a particular issue, irrespective as to whether the firm is subsequently instructed – as a general counsel, that is invaluable.
  • Nin leads one of the most useful and progressive initiatives in the industry.
  • Excellent at presenting complicated concepts in a digestible manner.
    Client feedback
  • I have engaged Nin on a number of other issues that required expert legal advice. Nin is my go to resource when we need legal assistance with complex and high priority regulatory and risk related matters.
    Client feedback
  • A ‘go to’ person when it comes to a myriad of questions that might require legal, regulatory, risk & governance consideration.
    Client feedback
  • I am always incredibly impressed whenever we get the chance to work together.
  • Very helpful and professional in her approach.
    Client feedback
  • Approachable, good humoured and very efficient.
    Client feedback
  • She is very professional and thorough. I have great faith in her.
    Chambers and Partners 2022
  • Whenever there is a CI nexus, I will always go to Nin.
    Legal 500 (UK) 2023
  • Nin Ritchie is at the top of her game. She is a calm, steady pair of hands and can efficiently get to grips with idiosyncratic matters. I continue to be very impressed with her legal knowledge and commercial acumen.
    Legal 500 2022
  • Nin is an excellent lawyer who provides a great service.
    Chambers UK 2023


Nin is a Group Partner in the Financial Services and Regulatory team and is based in Guernsey. She is a well established dispute resolution practitioner with a loyal client base comprising finance services businesses and those from other regulated sectors, spanning risk and regulatory, corporate disputes and contentious trust matters many of which have multi-jurisdictional/international elements.

She leads the risk and regulatory team in Guernsey to deliver a seamless offering to clients with complex and varied needs. Nin works closely with the Jersey-based risk and regulatory team to ensure that clients with a presence across the Channel Islands are able to receive a blended Channel Islands service.

"I help clients through complex situations and, on occasion, tumultuous times in the most pragmatic, commercial and careful way."


Nin is known for her work in regulatory compliance and enforcement, financial crime, risk and governance. Clients rely on her skills, experience, calm manner and technical expertise to provide advice and guidance on complex legal matters with high risk factors and potentially devastating outcomes. She is trusted by her clients to provide accurate, commercial and time sensitive advice.

Nin has a strong sanctions practice that extends across transactional, advisory and contentious matters and is an expert in this legally complex and important developing area of practice. Nin has an established international network where clients require cross-jurisdictional sanctions advice.

Nin leads, and regularly presents at, an industry Risk and Regulatory forum created for leading individuals from a cross section of the finance sector to share information from a commercial and legal perspective. The event was praised by one client as 'one of the most useful and progressive initiatives in the industry.' She regularly speaks at local conferences, and writes, on regulatory matters.

Recent matters include:

  • Representing individuals in a regulatory enforcement matters in the Guernsey fund and trust sectors;
  • Advising on a financial crime matters in respect of the determination of provenance of funds;
  • Advising on client regulatory obligations in respect of a new target market involving complex structuring; and, developing an appropriate risk based compliance framework; and
  • Providing sanctions advice in respect of designations.


On leaving school, Nin qualified as a nurse and worked in medical research in London.

She returned to Guernsey in 2002 where she spent eight years within the banking division of the Guernsey Financial Services Commission. During this time she obtained a law degree from Nottingham Law School and completed the Legal Practice Course at the College of Law, Bloomsbury.

She joined Collas Crill as a trainee in 2010 and qualified into the dispute resolution team.


Nin is recommended by Chambers and Partners for her work on contentious regulatory matters, and as an associate to watch. She is named as a 'Next Generation Partner' in the Legal 500 2024 guide.


  • Institute of Directors
  • Guernsey International Legal Association
  • Women's White Collar Defense Association
  • Founder of the Powerhouse Book Club
  • Female Fraud Forum

*admitted in England and Wales

† not a member of Collas Crill LLP in Guernsey

*Business Assistant
Samantha Hobbs

Samantha Hobbs

My services
Contentious risk and regulatory

In regulatory disputes there are often fine lines between the usual wrangling with the regulator and something more serious – by matching our mix of experienced contentious and non-contentious lawyers to the particular problem at hand, we achieve better and more efficient outcomes. As regulatory experts, we frequently act on contentious matters and can leverage our experience to help clients achieve the highest regulatory standards and avoid common pitfalls.

Corporate disputes

Our dispute resolution specialists collaborate seamlessly with our corporate advisory and banking teams across jurisdictions to advise multinational corporations, trust companies, banks, funds, insurers, governments and directors. We provide a global perspective, working closely with our clients to ensure that they are best placed to respond to customer issues, fraud risks, rapidly changing market conditions and regulatory demands.


Our multi-disciplinary approach to providing risk and regulatory consultancy services ensures that every aspect of our clients' business is covered. By drawing on the skills and experience of a highly experienced team of lawyers with expertise from across the firm, we are able to deal with all legal compliance issues that could affect your business, whether contentious or non-contentious. The assistance we are able to provide ranges from strategic matters to specific operational issues.

Collas Crill's market-leading fraud, financial and white collar crime practice sits within our regulatory practice. Uniquely offering a mix of both civil and criminal fraud litigation experience, from internal investigations, to injunctions, to defence and enforcement, the team can lead clients through the most challenging of circumstances.

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We provide contentious and non-contentious advice and support, primarily for local financial services businesses, in complying with sanctions and anti-money laundering regulations. Our work ranges from initial strategic advice, liaison with stakeholders including regulators, clients and investigations and prosecution authorities – to litigation, where required.

Specific regulatory compliance

Regulation proliferates in all aspects of corporate life these days. We have proven subject matter expertise in specific regulatory fields.

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26 Jan 2024

SAR Wars

Further to Bailiwick of Guernsey Consent Regime guidance issued in April 2023 (Guidance), a recent change in approach from the Guernsey Financial Intelligence Unit (FIU) is set to make the difficult role of Money Laundering Reporting Officer (MLRO) more ...

20 Oct 2023

Luxury assets - regulatory issues

Following our Fast Cars, fake art and $300,000 fish event earlier this year, Collas Crill Partners Wayne Atkinson and Nin Ritchie explore the world of collectibles in our latest 'On the sofa' episode. The collectibles space is constantly changing with ne...

26 Jul 2023

Amendments to the Disclosure Law

Amendments to the Disclosure (Bailiwick of Guernsey) Law, 2007 were approved unanimously by the States of Deliberation on 5 July 2023. Here, Group Partner in our Dispute Resolution team Nin Ritchie explains what these amendments mean: 4E of the Ord...

12 Jul 2023

MLRO/MLCO masterclass series

Collas Crill Compliance Limited is running a series of masterclasses to help MLROs and MLCOs meet additional training requirements ahead of the MONEYVAL visit. The training is delivered by Collas Crill Compliance Limited Executive Director Sandra Lawren...

22 Mar 2023

Proliferation and proliferation financing in Guernsey

Proliferation and proliferation financing (collectively "PPF") are both significant threats to global peace and security. Given current instability arising from Russia's invasion of Ukraine and the knock-on political impact worldwide, it is now more impo...

10 Feb 2023

New VASP regulations in Guernsey

The Guernsey Financial Services Commission published its final draft of the Lending, Credit and Finance Rules and Guidance, 2023 (the "New Rules") on Thursday 19 January 2023. These support the Lending, Credit and Finance (Bailiwick of Guernsey) Law, 202...

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Event 5 Apr 2023

Directors' Duties Conference

Event 24 Apr 2023

Preparing for MoneyVal

Event 27 Jun 2023

TL4 Contentious Trusts

Event 19 Sep 2023

MLRO/MLCO Masterclass #1

Event 17 Oct 2023

MLRO/MLCO Masterclass #2

Event 14 Nov 2023

MLRO/MLCO Masterclass #3

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