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Fraud Investigation Services Companies in the UK: A Clear Overview

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

Contact Information:

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.

Key Highlights:

  • Complex international investigations
  • Asset trace and recovery focus
  • Experience with regulatory bodies
  • Innovative funding options
  • Cyber fraud expertise

Services:

  • Asset trace investigations
  • Litigation support
  • Fraud pattern analysis
  • Cyber fraud investigation
  • Proceeds of crime recovery

Contact Information:

  • Website: www.ingramassociates.co.uk
  • Phone: 020 7073 2610
  • Email: london@ingramassociates.co.uk
  • Address: Thanet House, 231-232 Strand, London, WC2R 1DA
  • LinkedIn: www.linkedin.com/company/ingram-associates-uk
  • Facebook: www.facebook.com/IngramAssoc
  • Twitter: x.com/IngramAssoc

National Private Investigators

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.

Key Highlights:

  • Discreet surveillance capabilities
  • Digital forensics support
  • Insurance fraud experience
  • Workplace misconduct investigations
  • Ethical and legal approach

Services:

  • Corporate investigations
  • Insurance claim investigations
  • Digital forensics analysis
  • Workplace theft investigations
  • Private cyber investigations
  • Evidence gathering for litigation

Contact Information:

  • Website: nationalprivateinvestigators.co.uk
  • Phone: 020 7459 4526
  • Email: enquiries@nationalprivateinvestigators.co.uk
  • Address: 71-75 Shelton St, London WC2H 9JQ
  • LinkedIn: www.linkedin.com/in/privateinvestigatorlondon
  • Facebook: www.facebook.com/NationalPrivateInvestigators
  • Instagram: www.instagram.com/private_investigator_london

FACT

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.

Key Highlights:

  • Former police investigators
  • Digital forensics capability
  • Asset tracing expertise
  • International network support
  • Evidence for court proceedings

Services:

  • Corporate fraud investigations
  • Asset tracing and recovery
  • Bribery and corruption probes
  • Intellectual property investigations
  • Digital forensics examination
  • Whistleblower allegation reviews

Contact Information:

  • Website: www.fact-uk.org.uk
  • Phone: +44 (0)20 8891 1217
  • Email: contact@fact-uk.org.uk
  • 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.

Key Highlights:

  • Data-driven fraud detection
  • End-to-end counter-fraud process
  • Insurance sector specialisation
  • Intelligence and analytics focus
  • Claims lifecycle coverage

Services:

  • Fraudulent claim investigations
  • Intelligence analysis
  • Forensic accountancy support
  • Counter-fraud prevention
  • Claims data evaluation
  • Specialist field investigations

Contact Information:

  • Website: www.crawco.co.uk
  • Phone: 0141 229 7015
  • Email: customer.services@crawco.co.uk
  • Address: The Hallmark Building, 106 Fenchurch Street, London, United Kingdom, EC3M 5JE
  • LinkedIn: www.linkedin.com/company/crawford-&-company
  • Facebook: www.facebook.com/crawfordandco
  • Twitter: x.com/crawco

Oxford Investigation Service

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.

Key Highlights:

  • Counter-fraud investigations
  • Risk consultancy
  • Data-matching initiatives
  • Due diligence services
  • Partnership working

Services:

  • Counter fraud management
  • Risk assessments
  • Compliance reviews
  • Investigation support
  • Intelligence gathering

Contact Information:

  • Website: www.oxfordinvestigationservice.co.uk
  • Phone: 01865 252333
  • Email: fraud@oxford.gov.uk
  • Address: Town Hall, St. Aldates, Oxford, OX1 1BX
  • LinkedIn: www.linkedin.com/company/oxford-investigation-service

Wilford Smith Solicitors

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.

Key Highlights:

  • Corporate fraud investigations
  • Asset recovery support
  • Confidential handling
  • Regulatory compliance focus
  • Prevention advice

Services:

  • Internal misconduct investigations
  • Bribery and corruption probes
  • Asset tracing
  • Evidence gathering
  • Fraud damage mitigation
  • Compliance training support

Contact Information:

  • Website: www.wilfordsmith.com
  • Phone: 0808-169-5677
  • Email: communications@wilfordsmith.com
  • Address: Meadowhall Business Park, Sheffield S9 2EQ
  • LinkedIn: www.linkedin.com/company/wilfordsmithhq
  • Facebook: www.facebook.com/wilfordsmithhquk
  • Twitter: x.com/WilfordSmithHQ
  • Instagram: www.instagram.com/wilfordsmithsolicitors

Charles Taylor

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.

Key Highlights:

  • Claims fraud investigations
  • Global field capabilities
  • Digital intelligence tools
  • Surveillance expertise
  • Data analytics support

Services:

  • Surveillance operations
  • Financial background checks
  • Social media analysis
  • Cyber investigations
  • Document validation
  • Video interviewing
  • Track and trace enquiries

Contact Information:

  • Website: www.charlestaylor.com
  • Phone: +44 1243 219 600
  • Email: Ian.latham@charlestaylor.com
  • 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.

Key Highlights:

  • Internal embezzlement cases
  • Asset tracing
  • Digital forensics
  • Confidential approach
  • Rapid response

Services:

  • Corporate fraud investigations
  • Asset tracing
  • Embezzlement probes
  • Competitive intelligence
  • Digital evidence analysis

Contact Information:

  • Website: www.whitmoregroup.co.uk
  • Email: inquiries@whitmorepi.co.uk
  • 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.

Key Highlights:

  • Rapid response capability
  • Multi-disciplinary expertise
  • International network support
  • Regulatory investigation experience
  • Crisis management approach

Services:

  • Corruption and bribery investigations
  • Asset tracing and recovery
  • Funds flow analysis
  • Background checks
  • Accounting irregularities probes
  • Regulatory investigations support

Contact Information:

  • Website: www.bdo.co.uk
  • Phone: 0151 237 4500
  • Email: experienced.hire@bdo.co.uk
  • Address: 5 Temple Square, Temple Street, Liverpool, L2 5RH, United Kingdom
  • LinkedIn: www.linkedin.com/company/bdo-llp
  • Instagram: www.instagram.com/bdo_uk

S&W Group

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.

Key Highlights:

  • Asset tracing focus
  • Complex financial crime cases
  • Data analytics capability
  • Independent internal inquiries
  • Evidence for court use

Services:

  • Internal forensic investigations
  • Bribery and corruption probes
  • Money laundering investigations
  • Asset tracing and recovery
  • Fraud risk management
  • Investigative interviewing
  • Financial analysis reporting

Contact Information:

  • Website: www.swgroup.com
  • Phone: +44 131 625 5151
  • Email: legal@swgroup.com
  • Address: Q Court, 3 Quality Street, Edinburgh EH4 5BP
  • LinkedIn: www.linkedin.com/company/swgroupuk
  • Twitter: x.com/S_W_Group

Menzies

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.

Key Highlights:

  • Swift on-site response
  • Evidence preservation focus
  • Intelligence-led approach
  • Lawyer collaboration
  • Background research capability

Services:

  • Financial irregularities investigations
  • Evidence gathering
  • Staff and suspect interviews
  • Background checks
  • Data analysis
  • Investigation reporting

Contact Information:

  • Website: www.menzies.co.uk
  • Phone: +44 (0)20 7387 5868
  • Address: 4th Floor, 95 Gresham Street, London, EC2V 7AB
  • LinkedIn: www.linkedin.com/company/menzies-llp
  • Instagram: www.instagram.com/menzies_llp

Moore Kingston Smith

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.

Key Highlights:

  • Detailed data analysis
  • Confidential investigations
  • Control review capability
  • Quantification of losses
  • Practical recommendations

Services:

  • Internal fraud investigations
  • Review of financial controls
  • Cash misappropriation analysis
  • Transaction examination
  • Fraud quantification
  • Investigation reporting

Contact Information:

  • Website: mooreks.co.uk
  • Phone: +44 (0)20 4582 1000
  • Address: 6th Floor, 9 Appold Street, London, EC2A 2AP
  • LinkedIn: www.linkedin.com/company/moore-kingston-smith
  • Twitter: x.com/MooreKSLLP

Samuels LLP

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.

Key Highlights:

  • Expert court reports
  • Evidence presentation
  • Civil and criminal cases
  • Legal team liaison
  • Clear report style

Services:

  • Expert evidence in court
  • Financial evidence analysis
  • Fraud case support
  • Report preparation
  • Investigation assistance

Contact Information:

  • Website: samuels.co.uk
  • Phone: 01732 742089
  • Email: info@samuels.co.uk
  • 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.

Key Highlights:

  • Fraud prevention focus
  • Forensic analysis
  • Regulatory support
  • Risk awareness training
  • Asset tracing capability

Services:

  • Fraud risk management
  • Asset tracing
  • Regulatory investigations
  • Business intelligence
  • Fraud investigations
  • Awareness training

Contact Information:

  • Website: www.pkf-l.com
  • Phone: +44(0)113 244 5141
  • Email: info@pkf-l.com
  • 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.

Key Highlights:

  • Full lifecycle investigations
  • Forensic accounting expertise
  • Regulatory response support
  • Cross-border capability
  • Technology-driven analysis

Services:

  • Internal investigations
  • Anti-bribery and corruption probes
  • Asset misappropriation reviews
  • Cybersecurity investigations
  • Anti-money laundering response
  • Forensic data analysis
  • Monitorships and compliance reviews

Contact Information:

  • Website: www.fticonsulting.com
  • Phone: +44 20 3727 1000
  • Email: dpo@fticonsulting.com
  • 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.

Key Highlights:

  • Digital forensic focus
  • Court-admissible evidence
  • Data recovery expertise
  • Communications analysis
  • Expert witness support

Services:

  • Recovery of deleted data
  • Review of communications data
  • Data preservation for court
  • Analysis of fraudulent transactions
  • Retrieval of confidential information
  • Forensic reporting
  • Expert witness testimony

Contact Information:

  • Website: cyfor.co.uk
  • Phone: 0330 135 5734
  • Email: contact@cyfor.co.uk
  • 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.