EY
EY’s Strategy & Transactions division includes a major financial due diligence practice serving corporate clients, private equity sponsors, lenders, and other deal stakeholders.
- Highest 2026 tier: Tier I
- Financial due diligence advisory firm
- Financial Due Diligence (FDD) Advisory
Overview
EY’s Strategy & Transactions division includes a major financial due diligence practice serving corporate clients, private equity sponsors, lenders, and other deal stakeholders. The firm provides buy-side and sell-side diligence, quality of earnings analysis, working capital review, debt and debt-like item analysis, carve-out support, transaction readiness, and broader deal execution support.
Its strength lies in combining financial analysis with sector insight and multidisciplinary deal support. EY can coordinate financial diligence with tax, commercial, operational, technology, cyber, human capital, sustainability, and valuation workstreams, making it particularly relevant in competitive transaction processes where acquirers require a detailed view of value drivers, financial risks, integration requirements, and post-transaction considerations.
EY is included in one 2026 Advisory Ranking category. The highest recorded classification is Tier I.
Firm facts
| Founded | 1989 |
| Firm type | Financial due diligence advisory firm |
| Headquarters | London, United Kingdom |
| Primary focus | Transaction financial analysis and deal-accounting diligence |
| Highest 2026 Advisory Ranking tier | Tier I |
Principal activities
Quality of earnings
Earnings normalization, working-capital analysis and cash-flow review.
Transaction diligence
Buy-side and sell-side financial diligence and deal-risk assessment.
Deal accounting
Purchase-agreement support, carve-out analysis and post-deal financial matters.
EY 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
- Private equity
- Industrials
- Technology
- Healthcare
- Consumer markets
- Business services
Mandate types
- Buy-side diligence
- Sell-side diligence
- Quality of earnings
- Working capital
- Carve-out diligence
- Deal accounting
Market position
EY — Strategy & Transactions / Financial Due Diligence is positioned as a financial due diligence advisory firm. Its relevance reflects the combination of specialist capability, institutional experience and practical involvement in consequential strategic or corporate decisions.
Distinctive focus: Its strength lies in combining financial analysis with sector insight and multidisciplinary deal support.
Competitive context
EY — Strategy & Transactions / Financial Due Diligence competes with specialist strategy advisers, executive-services firms, transaction advisers, analytics providers and larger multidisciplinary professional-services firms. The relevant peer set varies by mandate, industry, client segment, 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
EY — Strategy & Transactions / Financial Due Diligence provides advisory, executive, analytical, transaction, 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, executive, analytical, transaction 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.
Related Economy analysis
Selected Economy Markets articles providing context for the firm’s advisory environment:
- The Silent Reshuffle of the Advisory Market
- How AI Is Reshaping the Consulting Industry in 2026
- Middle-Market Private Equity: Returns, Scale and Manager Selection
Related institutions and subjects
Sources and data transparency
The profile is based on the following publicly available institutional, regulatory and editorial sources:
- EY — Strategy & Transactions / Financial Due Diligence — official firm overview and service information.
- Advisory Ranking — Top 30 Financial Due Diligence (FDD) Advisory 2026 — inclusion and tier classification.
