Deloitte
Deloitte’s forensic and investigations practice supports organizations facing fraud, corruption, corporate misconduct, financial crime, regulatory scrutiny, litigation, discovery, and other high-stakes business risks.
- Highest 2026 tier: Tier I
- Investigations and forensic advisory firm
- 2 Advisory Ranking categories
Overview
Deloitte’s forensic and investigations practice supports organizations facing fraud, corruption, corporate misconduct, financial crime, regulatory scrutiny, litigation, discovery, and other high-stakes business risks. The firm brings together forensic accounting, investigative analytics, anti-fraud advisory, financial crime expertise, e-discovery, litigation support, and remediation capabilities.
Its relevance lies in the ability to support complex investigations across jurisdictions, data environments, accounting records, governance systems, and regulatory expectations. Deloitte’s forensic platform is especially useful where internal investigations, misconduct allegations, anti-corruption reviews, evidence preservation, transaction testing, and control remediation must be coordinated within a broader professional-services environment.
Deloitte is included in 2 2026 Advisory Ranking categories. The highest recorded classification is Tier I.
Firm facts
| Founded | 1845 |
| Firm type | Investigations and forensic advisory firm |
| Headquarters | London, United Kingdom |
| Primary focus | Investigations, forensic analysis and disputes intelligence |
| Highest 2026 Advisory Ranking tier | Tier I |
Principal activities
Corporate investigations
Internal investigations, misconduct reviews, fact development and investigative response.
Forensic analysis
Forensic accounting, data analytics, asset tracing and evidence review.
Disputes and intelligence
Litigation intelligence, investigative due diligence and cross-border support.
Deloitte works with clients on assignments that may combine strategy, specialist analysis, implementation support and organizational adoption. The precise scope depends on the mandate, sector, geography and client requirements.
Sector and mandate coverage
Sector coverage
- Financial services
- Industrials
- Technology
- Energy
- Healthcare
- Consumer markets
Mandate types
- Internal investigations
- Forensic accounting
- Asset tracing
- Litigation intelligence
- Fraud investigations
- Cross-border investigations
Market position
Deloitte — Forensic / Investigations is positioned as a investigations and forensic advisory firm. Its relevance reflects the combination of specialist capability, institutional experience and practical involvement in complex or sensitive risk matters.
Distinctive focus: Its relevance lies in the ability to support complex investigations across jurisdictions, data environments, accounting records, governance systems, and regulatory expectations.
Competitive context
Deloitte — Forensic / Investigations competes with specialist risk advisers, intelligence providers, expert-services firms, technology platforms and larger multidisciplinary professional-services firms. The relevant peer set varies by mandate, industry, jurisdiction, geographic scope and delivery model.
Comparable firms are selected according to overlap in business model, client segment, service coverage, geographic activity and mandate profile. Inclusion does not imply equivalence in scale, ranking or market position.
Leadership
| Person | Current position | Institutional background |
|---|
Leadership information reflects the public sources reviewed for this profile. View the firm’s website ↗
Corporate and regulatory information
Deloitte — Forensic / Investigations provides advisory, intelligence, investigations, expert, managed or technology services. The contracting entity, professional obligations and regulatory status depend on the service, client jurisdiction and engagement scope.
View registered-entity details
| Service status | Advisory, intelligence, expert, managed or technology services |
| Headquarters | London, United Kingdom |
Principal offices
- London, United Kingdom
Rankings and recognition
Ranking inclusion is editorially determined. The existence or maintenance of a Wiki profile does not influence ranking eligibility, tier or position.
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Related institutions and subjects
Sources and data transparency
The profile is based on the following publicly available institutional, regulatory and editorial sources:
- Deloitte — Forensic / Investigations — official firm overview and service information.
- Advisory Ranking — Top 30 Investigations & Forensic Advisory 2026 — inclusion and tier classification.
- Advisory Ranking — Top 30 Financial Due Diligence (FDD) Advisory 2026 — inclusion and tier classification.
