Fraud Investigation Services Companies in the UK: A Clear Overview
AC
Acumon Chartered Accountants·14 min read
When fraud is suspected in your business, finding the right support quickly becomes critical. This practical guide gives you a clear overview of fraud investigation services companies in the UK and how they help organisations respond effectively when things go wrong.
It is not a ranking or a list of the “best” companies. Instead, it’s an honest review designed to help you understand who these companies are, what they actually do, and how they differ from one another.
You will find everything from larger multidisciplinary teams to highly specialised practices that focus exclusively on fraud and forensic work. Some serve international corporations, while others focus on mid-sized UK businesses or specific sectors.
By the end of this guide, you will have a much clearer picture of the landscape and feel better equipped to decide which type of company is the right fit for your needs.
Acumon
Acumon is a UK firm of chartered accountants and registered auditors offering specialist forensic audit and fraud investigation services. The company supports organisations that need to investigate financial discrepancies, suspected fraud or misconduct in a discreet and effective manner. With a team of over 90 UK-based professionals, Acumon combines deep forensic expertise with practical knowledge of accounting systems and business processes.
The firm provides comprehensive fraud investigation services that include tracing the flow of funds, identifying mechanisms of asset misappropriation and determining weaknesses in internal controls. Acumon works with a wide range of clients, from UK businesses and charities to international groups, helping them respond to complex fraud matters while preserving confidentiality. Their approach emphasises efficiency, familiarity with different accounting and ERP systems, and delivery of clear, court-ready findings.
Fraud Investigation Capabilities:
Acumon delivers forensic audit and fraud investigation services across various situations and organisation types. These include:
Suspected internal fraud and embezzlement
Asset misappropriation and fund tracing
Financial misconduct investigations
Fraud cases involving disputes and divorce proceedings
Control weaknesses and process reviews
Support for investors and employers
Regulatory Licences and Registrations:
Acumon holds several professional registrations that support its forensic and investigative work:
UK statutory audit registration
Public Interest Entity (PIE) audit licence
ICAEW chartered accountant status
These registrations reflect the firm’s experience with regulated entities and complex financial environments.
Core Services:
In addition to fraud investigation, Acumon provides a focused range of related services:
Fraud investigation services
Asset tracing and recovery
Financial forensics
Fraud prevention and risk assessment
Whistleblowing framework support
Fraud detection systems and analytics
Supporting Organisations Facing Fraud Issues:
Many organisations turn to specialist support when they suspect fraud, financial irregularities or control failures. Acumon works with businesses that are:
Responding to suspected internal misconduct
Investigating potential asset misappropriation
Dealing with complex fraud allegations
Preparing evidence for legal or regulatory proceedings
Seeking to strengthen fraud prevention and controls
Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK
Ingram Associates
Ingram Associates specialise in fraud investigation with a strong focus on financial and cyber fraud cases. The company handles complex matters including bank guarantee schemes, binary options, cryptocurrency fraud, and conveyancing fraud. Their team combines experience from law enforcement and forensic accountancy backgrounds.
The approach is proactive and emphasises tracing misappropriated funds even in difficult jurisdictions. They support asset freezing and confiscation within the UK as well as recovery of proceeds of crime. Services are often delivered in coordination with litigation lawyers. Clients receive clear reports suitable for legal proceedings.
National Private Investigators offer discreet fraud investigation services across corporate and insurance matters. The company combines traditional fieldwork with modern digital techniques to gather evidence. Their work often involves suspicions of theft, false claims, and workplace misconduct.
The team includes former military surveillance specialists and uses a mix of technology and on-the-ground methods. Investigations maintain strict confidentiality and operate fully within legal boundaries. Final reports focus on delivering clear, factual evidence that clients can rely on.
FACT conducts investigations into corporate misconduct with a team of former senior UK police officers. The company specialises in cases involving bribery, corruption, and financial irregularities inside organisations. They also handle allegations from whistleblowers and potential conflicts of interest.
Their work includes tracing assets and gathering evidence suitable for both civil and criminal proceedings. Digital forensics capabilities support data recovery and analysis from various devices and platforms. Investigations often extend to intellectual property theft and illegal streaming cases.
Address: Regal House, 70 London Road, Twickenham, Middlesex, TW1 3QS
LinkedIn: www.linkedin.com/company/fact-uk
Crawford & Company
Crawford & Company provides counter-fraud solutions focused on insurance claims. The company uses data analytics and intelligence to identify suspicious patterns across different types of claims. Their process covers prevention, detection, and full investigation when fraud is suspected.
The team includes investigators, forensic accountants, and intelligence analysts who work together on complex cases. Support is available throughout the entire claims lifecycle with both desktop and field investigation options. The service integrates technology with human expertise to improve accuracy and reduce losses.
Oxford Investigation Service delivers counter-fraud investigations and works with partners across the UK to manage fraud risks. The company conducts investigations through a team of intelligence officers and investigation officers. They also provide risk consultancy on a bespoke basis.
Their work includes running data-matching initiatives and offering due diligence services as part of a wider compliance approach. The service focuses on highlighting risks and their impact while delivering practical counter-fraud support. Investigations remain professional and tailored to the specific needs of each client.
Wilford Smith Solicitors handle corporate fraud investigations involving embezzlement, false accounting, bribery and corruption. The company also addresses cybercrime and procurement fraud within organisations. Their process combines evidence gathering with legal expertise.
Investigations are carried out confidentially to limit disruption to daily operations. The team works alongside forensic accountants and IT specialists when needed. They support asset tracing and recovery across different jurisdictions while ensuring full regulatory compliance.
Charles Taylor provides specialist investigation services with a focus on claims fraud across multiple sectors. The company combines field investigations with digital tools and data analysis. Their team uses surveillance, background checks and open source intelligence.
The service includes video interviewing, document validation and financial background reports. They also offer cyber investigations and analytical support to identify suspicious patterns. Solutions can be delivered on a retained or delegated basis depending on client requirements.
Address: Signal House, Grange Road, Christchurch, BH23 4JE England
LinkedIn: www.linkedin.com/company/charles-taylor
Twitter: x.com/ctcharlestaylor
Whitmore Investigative Group
Whitmore Investigative Group conducts corporate fraud investigations and specialises in cases of internal embezzlement. The company also carries out asset tracing and gathers competitive intelligence. Their approach blends traditional methods with modern digital forensics.
Investigations maintain complete confidentiality and operate within full legal boundaries. The team responds quickly when required and delivers clear factual findings. Work covers both UK-based matters and cases with international elements.
Address: 14 Bressenden Pl, London SW1E 5DH, United Kingdom
BDO
BDO conducts financial crime and fraud investigations for corporations, major banks and law enforcement agencies. The company brings together experts with backgrounds in criminal investigations, forensic accounting and forensic computing. They focus on delivering a rapid response when sensitive matters arise.
Investigations often involve complex cases including accounting irregularities, corruption, bribery and regulatory issues. The team analyses funds flows and quantifies losses while supporting asset tracing and recovery. Work is carried out discreetly and in coordination with legal teams when required. They also provide background checks and desktop reviews as part of the process.
S&W Group carries out fraud and forensic investigations involving complex financial crime. The company specialises in tracing misappropriated funds and hidden assets across civil and criminal cases. Their team includes forensic accountants, data analysts and technology specialists.
Investigations cover areas such as bribery, corruption, money laundering and internal misconduct. The process includes evidence gathering, investigative interviewing and detailed financial analysis. Reports are prepared for use in legal proceedings or regulatory responses. The company also supports fraud risk management and control remediation.
Menzies handles fraud and financial investigations when clients suspect irregularities or face allegations. The company works on-site for swift responses and collaborates closely with lawyers. Their approach combines financial expertise with discreet investigation methods.
The team gathers and preserves evidence according to evidential guidelines while conducting interviews and background research. Investigations often include intelligence-led analysis of transactions and individuals. They deliver clear findings and strategic advice at every stage of the process.
Moore Kingston Smith performs forensic investigations into suspected fraud and financial crime. The company reviews financial and non-financial data to identify irregularities and quantify losses. Their work includes detailed examination of transactions, expense claims and cash movements.
Investigations remain confidential and focus on establishing facts for internal or formal proceedings. The team analyses control weaknesses and provides recommendations to reduce future risks. Reports include clear opinions and support subsequent actions such as recoveries or disciplinary measures.
Samuels LLP supports clients, solicitors and law enforcement agencies with fraud investigations. The company prepares expert reports and provides expert evidence for use in both civil and criminal courts. Their work focuses on gathering, analysing and presenting financial evidence in a clear way.
The process involves meticulous review of complex transactions and cover-ups to make them understandable for legal teams and courts. Reports follow required procedural rules and are designed to be straightforward. The company works closely with solicitors and barristers throughout the case.
Address: 3 Locks Yard, High Street, Sevenoaks, Kent, TN13 1LT
LinkedIn: www.linkedin.com/company/samuels-llp
Facebook: www.facebook.com/SamuelsLLP
Twitter: x.com/SamuelsLLP
Instagram: www.instagram.com/samuelsllp
PKF
PKF offers fraud prevention and forensic services through specialist teams. The company explores financial information to support fraud investigations and asset tracing. They also help organisations build awareness around fraud, bribery and corruption risks.
Investigations can extend across different sectors and involve gathering facts for regulatory bodies. The approach includes training to strengthen internal culture against misconduct. Business intelligence work provides discreet verification of customers or suppliers when needed.
Address: 4th Floor, 12 King Street, Leeds, Yorkshire, LS1 2HL
LinkedIn: www.linkedin.com/company/littlejohn
Twitter: x.com/PKF_Littlejohn
Instagram: www.instagram.com/pkf.littlejohn
Deloitte
Deloitte provides fraud advisory services and conducts investigations into fraud, bribery and corruption. The company helps clients assess risks of economic crime and respond to specific allegations or suspicions. Their work includes detailed examination of accounting issues and complex transactions.
The team uses data analytics and technology to trace assets and support incident response. Investigations often involve interaction with regulators, stakeholders and legal processes. Support covers both internal concerns and matters involving business partners.
Key Highlights:
Economic crime investigations
Data analytics support
Regulatory response
Asset tracing
Incident response integration
Services:
Bribery and corruption investigations
Fraud risk assessment
Asset recovery
Regulatory investigations
Data analytics for fraud
Investigation of allegations
Contact Information:
Website: www.deloitte.com
Phone: +44 (0)113 243 9021
Address: 1 City Square, Leeds, LS1 2AL, United Kingdom
LinkedIn: www.linkedin.com/company/deloitte
Facebook: www.facebook.com/deloitteuk
Twitter: x.com/deloitteuk
FTI Consulting
FTI Consulting supports organisations and their legal advisors through the full lifecycle of corporate investigations. The company helps respond to allegations of fraud, misconduct, bribery and corruption. They also assist with regulatory inquiries and incident response matters.
The team designs practical investigative strategies and uses technology to gather and analyse complex data. Work often includes forensic accounting to examine accounting issues, asset misappropriation and conflicts of interest. Investigations can span multiple jurisdictions and involve liaison with regulators or prosecutors. Reports focus on clear findings to support decision-making or legal proceedings.
Address: 200 Aldersgate, Aldersgate Street, London EC1A 4HD, United Kingdom
LinkedIn: www.linkedin.com/company/fti-consulting
Facebook: www.facebook.com/FTIConsultingInc
Twitter: x.com/FTIConsulting
Instagram: www.instagram.com/lifeatfti
CYFOR
CYFOR specialises in financial fraud investigations and white-collar crime cases. The company focuses on recovering and analysing digital evidence from computers, phones and other devices. Their work supports criminal, civil and internal corporate matters.
Investigations follow strict digital forensic guidelines to ensure evidence remains admissible in court. The team recovers deleted data, reviews communications and traces unauthorised transfers of information. They prepare detailed reports that connect actions and communications into a clear narrative. Expert witness testimony is also available to explain findings.
Address: Conference House, 152 Morrison Street, The Exchange,Edinburgh, EH3 8EB
LinkedIn: www.linkedin.com/showcase/cy4or
Twitter: x.com/cyforforensics
Conclusion
Choosing the right fraud investigation services company in the UK depends on several practical factors. These include the size of your business, the sector you operate in, the complexity of the issue, and any specific regulatory requirements you need to meet.
Some companies offer a broad, integrated approach that combines investigation with forensic accounting and technology. Others focus on narrow areas such as digital forensics, asset tracing, or insurance-related fraud. Both approaches have their place depending on what your situation demands. This guide was written to provide a neutral overview of the different types of companies working in this space. It aims to give you clear context so you can compare options and understand what each brings to the table.
The right partner delivers independent assurance and practical steps to reduce risks and support resilience. Ultimately, the best decision comes from understanding your own needs and speaking directly with a few specialists who feel like a good fit.
AC
Written by the Acumon team
Acumon is an ICAEW-registered firm of chartered accountants and registered auditors
based in London, with offices in Pitstone, Aylesbury and Bournemouth. Need advice on
anything covered here? Talk to us.
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