Assistant Director - Deal Finance, Strategy & Execution, EY-Parthenon - London

Ernst & Young; City of Westminster; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading consulting firm is seeking an Assistant Director (Senior Manager) in London to oversee financial aspects of merger and acquisition transactions. The ideal candidate will have extensive transaction experience, be a qualified accountant, and possess strong analytical and interpersonal skills. You'll lead a dynamic team in a fast-paced environment, engaging with various stakeholders. This position offers an excellent opportunity to advance your career in a supportive and innovative culture.

Qualifications

• Extensive experience in transaction or finance function roles.
• Strong academics with a focus on analytical capability.
• Experience leading and supporting a team.

Responsibilities

• Advise on merger and acquisition transactions impacting finance.
• Lead teams in a fast-paced, deadline-driven environment.
• Support engagement partners with analytical insights.

Skills

Analytical skills

Interpersonal skills

Decision-making skills

Change agent experience

Education

Qualified accountant – ACA, CIMA, or equivalent

Job description

As an Assistant Director (Senior Manager) within our S&E team, you'll assist in aspects of business origination, including pitches and presentations to help sell work and work in a transaction environment operating under tight M&A timeframes and demands. You'll be familiar working in a large‑scale consulting environment or industry role. As an Assistant Director your key role will be responsibility for core aspects of client delivery, ensuring the team are led and the engagement partner is supported. You will be part of a team who:

Responsibilities

• Advise on the impact of merger and acquisition transactions on the finance function and across CFO priorities.
• Understand and be able to advise on integration challenges, separation challenges, change in ownership (public to private and vice versa).
• Apply analytical and advisory skills across the deal lifecycle, focusing on operational due diligence and value creation, including P&L optimisation, maturity assessments, and designing models for scale and cost out.
• Work within a fast‑paced, deadline‑driven transaction environment to support engagement partners and lead the team.

Qualifications

• Extensive experience in transaction or finance function roles – preferably as a consultant with a Big 4 or management consultancy firm, or in core finance areas such as FP&A, financial control, commercial/operational finance business partnering, or CFO roles.
• Qualified accountant – ACA, CIMA, or an internationally recognised equivalent.
• Strong academics and interpersonal skills.
• Demonstrable analytical capability and proven experience as a change agent.

Preferred

• Capability to work in a fast‑paced, deadline‑driven environment.
• Strong decision‑making skills.
• Experience of leading and supporting a team.
• Commercial curiosity and a commitment to learning.

Candidate Profile

We seek candidates who are highly motivated, driven, and passionate about being part of a fast‑paced, successful transaction team. Strong teamwork, flexibility across UK and global deals, and an ability to thrive in a dynamic environment are essential.

About the Opportunity

At EY-Parthenon, our unique combination of transformative strategy, transactions, tax and corporate finance delivers real‑world value. Join our Deal Finance team to work with CEOs, boards, private equity and governments across sectors including advanced manufacturing, telecommunications, energy, health science and private equity. With deep sector expertise and AI‑powered technology, you will develop state‑of‑the‑art solutions and advance your career in an inclusive, empowering culture.