Our firm specializes in providing regulatory consulting services to businesses that serve the UK diaspora communities and developing economies, particularly those in Sub-Saharan African countries.

We offer niche advisory and support services that are tailored to meet the unique needs of our clients. Whether you need assistance in complying with AML regulations, identifying market opportunities, or navigating complex regulatory environments, our team of experts is here to offer our clients practical tailored solutions to help you achieve your goals.

Our consulting solutions cover a broad range of critical regulatory risk areas, including but not limited to money laundering, terrorism financing, sanctions, bribery and corruption, fraud, cyber security, and data privacy and protection. With our expertise and experience in these areas, we are well-equipped to help traditional banks, respondent banks, FinTechs, money service businesses (MSBs), authorized payment institutions (APIs), and other non-financial institutions subject to AML and other FinCrime regulations to address the regulatory challenges facing their businesses.


We are financial crime advisors and trainers. Our team of consultants and trainers are made up of ex-bankers and ex-police investigators.

We draw on years of experience in the financial sector and deep industry knowledge to assist you to establish proportionate financial crime systems and controls.

Our objective goes beyond supporting our clients to comply with regulations, we support clients to take a practical approach to fighting financial crime and reducing its harm on society


Nana Mantey
Founder and Lead Consultant

Nana is the Director and Lead Consultant for Opsel Compliance Consultancy Services Ltd. She has over 15 years’ experience in banking, payments and regulatory consulting, specialising in AML and financial crime.

Nana is an ICA-certified compliance professional with a Diploma in Governance, Risk and Compliance and an MBA from the University of Westminster, London.

She is a former Business Compliance Officer of a UK based international bank and was responsible for the First line of Defense (FLOD) operational units, providing financial crime and regulatory compliance advice and guidance to the business.

Nana has deep understanding of both the operational issues and the key regulatory challenges faced across the payments and correspondent banking sector including areas of supervisory focus such as managing cross-border payments and international trade finance services.

Nana has extensive experience in working with regulated businesses in the UK, EU and in developing economies, especially Sub-Saharan Africa, offering independent Anti-Money laundering (AML) and other Financial Crime audits and training in all areas of AML and regulatory compliance.

With her background, extensive knowledge of UK & EU regulations and multi-jurisdictional capabilities gained from working with businesses operating in UK/EU and sub-Saharan African corridors, she is well-positioned to provide high quality advice and relevant support to businesses operating in these corridors on a range of regulatory compliance matters to help them to best managed their AML/financial crime risk exposures.

Grahame White
Financial Crime Advisor and Trainer

Grahame has been at the forefront of CTF Indicator Training and the concept of CTF Key Indicator delivery into Financial Institutions in the UK and Europe.

Grahame is fast becoming recognized as one of the finest trainers in the areas of Financial Intelligence, AML and Human Trafficking Advisory/Mentoring and Training Programmes, with a client base that encompasses Financial Institutions, Regulators and Financial Services Providers across US/UK and Europe.

Former Head of European Operations for ACAMS (Association of Certified Anti-Money Laundering Specialists) based out of Miami Florida.

Former Detective at the National Terrorist Financial Investigations Unit (NTFIU) at New Scotland Yard with substantial Counter Terrorist Financing and AML/Financial crime Investigation experience. He has 30 years of Police Investigations experience.

Grahame spent 5 years at the Metropolitan and City of London Police Company Fraud Department dealing in large scale fraud investigations where the loss was in excess of 1 million pounds.

Grahame was also part of the New Scotland Yard anti-Corruption Command looking at major Corruption allegations against public figures and law enforcement employees, from the financial and criminal perspective.

Grahame is the founder and director of Analysis International, providers of outstanding analytical indicator programmes and training for the financial intelligence community.

Grahame holds a master’s degree in Fraud Management.