
Since 2005,
Operating in The Cayman Islands.
GCS Advisory is the leading outsourced compliance consulting company in the Cayman Islands. Servicing both financial and designated non-financial service providers locally and throughout the Caribbean, we specialize in Anti-Money Laundering, Compliance, Regulatory and Fraud Prevention Services. Established in 2005, by Karen O’Brien, GCS has a proven track record of success making GCS your trusted advisor for all your regulatory and compliance needs. Our industry experience and consultative approach provide for an unmatched level of precision and expertise. Our continued mission is to provide comprehensive and economical compliance solutions to our clients, being their partner of choice for a robust and risk-based framework. Our goal is to assist clients in maintaining an effective compliance program that protects their business and our community while contributing to the stability of our regulatory system.
Our Mission
Our mission is to provide a comprehensive, economical solution to Know Your Customer (KYC) due diligence and other compliance issues relating to anti-money laundering regulations. GCS works with you as your compliance partner. Our comprehensive suite of services helps with all aspects of the role of a Compliance Officer and Money Laundering Reporting Officer and anti-money laundering (AML) training.
- GCS works with you as your compliance partner.
- Our comprehensive suite of services helps with all aspects of the role of a Compliance Officer and Money Laundering Reporting Officer and anti-money laundering (AML) training.
Our Vision
GCS Advisory is the leading outsourced compliance consulting company in the Cayman Islands. Servicing financial service providers locally and throughout the Caribbean.

Company Started
Expound the actual teachings of the great explorer the truth the masters builder of human happiness one rejects.

New Milestone
No one rejects dislikes or avoids pleasures itself because it is pleasures, but because those who pursue pleasure rationally.

First Award
Undertakes laborious physical exercise except to obtain some advantage from it pursue pleasure rationally.

100 Employees
Expound the actual teachings of the great explorer the truth the masters builder of human happiness one rejects.

Why Creote
Affordable & Flexible
Must explain too you how all this mistaken idea of denouncing pleasures praising pain was born and we will give you complete account of the system the actual teachings of the great explorer.
Read MoreWhy Creote
Affordable & Flexible
Must explain too you how all this mistaken idea of denouncing pleasures praising pain was born and we will give you complete account of the system the actual teachings of the great explorer.
Read MoreWhy Creote
Affordable & Flexible
Must explain too you how all this mistaken idea of denouncing pleasures praising pain was born and we will give you complete account of the system the actual teachings of the great explorer.
Read MoreWhy Creote
Affordable & Flexible
Must explain too you how all this mistaken idea of denouncing pleasures praising pain was born and we will give you complete account of the system the actual teachings of the great explorer.
Read MoreWhy Creote.
Affordable & Flexible
Must explain too you how all this mistaken idea of denouncing pleasures praising pain was born and we will give you complete account of the system the actual teachings of the great explorer.
Contact us



Karen O’Brien is the founder and Managing Director of GCS Advisory (GCS). She was a police officer for sixteen years with the Toronto Police Service, Ontario, Canada, and spent the last five years of her career in the Fraud and Forgery Squad. She spent two years investigating financial crime in the Cayman Islands as a Detective with the Royal Cayman Islands Police before branching out to the private sector and specializing in compliance, anti-money laundering and regulatory issues. As a professional consultant for the past 19 years, Karen dedicates her time to the financial services industry in connection with regulatory compliance, design and implementation of anti-money laundering (AML) policies and procedures, Know-Your Customer program reviews, risk analysis and risk management strategies, AML training and financial investigations stemming from allegations of fraud. Her experience covers all classes of financial institutions and licenses and a variety of Designated Non-Financial Businesses (DNFBPS). Karen has conducted over 400 workshops in the past decade both locally and internationally and provided training to government bodies, Caribbean Financial Action Task Force (CFATF), financial services and law enforcement. Karen participated in the Cayman Islands National AML/TF Risk Assessment as a member of the Other Financial Institutions sub-committee. Karen is the founder of the International Association of Certified Compliance Specialists (IACCS), President of the Cayman Islands Compliance Association and an Expert Witness in Anti-Money Laundering.


