Quartz Services UK is a firm of Forensic Accountants and Certified Fraud Examiners. We are members of the UK Chapter of the Association of Certified Fraud Examiners (ACFE).

Members of the ACFE have demonstrated knowledge and expertise in the detection and reporting of fraud and have proven experience in this field.

We serve businesses and organisation of all sizes in both the public and private sector as well as private individuals.


Quartz Services 020 8499 8050

Quartz Services info@QuartzServicesUK.co.uk


Quartz Services Our Values
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Quartz Services Our Guarantee

Sean Davern FCCA CFE


Quartz ServicesSean is one of the founders of Quartz Services UK as well as being a director of the business. He qualified as a Chartered Certified Accountant in 1993 and as a Certified Fraud Examiner in 2010.

Sean specialises in audit and investigations and has extensive experience in the construction industry and forensic accounting. Sean also advises businesses and organisations on implementing anti fraud controls and ensuring that they are appropriate and effective in a practical sense. 

He is also involved in the design of penetration testing techniques to ensure that anti fraud controls operate as intended. Sean believes that the growing menace of fraud and its consequences can only be tackled effectively when businesses and other organisation recognise its impact and start to address it seriously from the top down. Sean is sure that wider awareness of fraud, and specific anti fraud related training are the keys to reducing fraud.

Tim S Harvey CFE JP


Quartz ServicesTim spent his working life in the Metropolitan Police Service and the City of London Police Service and is a former Detective Superintendent in charge of the Fraud Squads in both forces.

He has considerable experience in fraud detection and investigation and advises several organisations on fraud issues.

Tim writes regularly for anti fraud publications and has had many articles published in national media.

Cliff A Ryan ACA


Quartz ServicesCliff qualified as a Chartered Accountant in 1988 and has spent 30 years in public practice and in industry. He is an expert in auditing and systems assessment and specialises in the protection of intellectual property and related issues. Cliff sits on a select specialised industry panel which advises on copyright accounting issues, and develops new techniques and systems to verify and protect legally collectable intellectual property income streams.  

Cliff has been involved in the planning and execution of high level royalty examinations and related due diligence checks in the UK, Europe and the USA on behalf of both individuals and large organisations. Cliff's experience has made him acutely aware of the misplaced reliance on standard audit reports as a check against fraud.  

Cliff has also been involved in the development of effective anti fraud systems to protect businesses and organisations from the ever increasing effects of fraud as well as satisfying legislative demands imposed on directors and officers to safeguard both the tangible and intangible assets of their businesses and organisations.

Andy Rogers BBS MA KMCO


Quartz ServicesAndy is an experienced banker, having retired following a successful 38 year career as a senior executive working in both Ireland and the City of London. 

He has an in-depth knowledge of banking and business strategy.

Andy currently acts as a non-executive Director of a number of trading companies.

Other consultants

We also engage other appropriately qualified and experienced consultants specialising in investigation, security, law, IT and surveillance.

We are unable to disclose their identities for security reasons.