Finance Transformation Assistant Manager

Job description

Alternatively, Grant Thornton At Grant Thornton we do things differently - looking to the future, driving ambitious growth and pioneering positive change in our industry. Providing audit, tax and advisory services, we empower clients through strategic insight, curiosity, and genuine partnership. And we empower our people with real opportunity, an inclusive culture and work life balance. A true alternative. With over 5,000 people in the UK, and a presence in 150 global markets, we're on an ambitious journey, from great to exceptional, and we need the best people to help us achieve our potential. And with that comes the opportunity to help redefine what our industry looks like, and what you want from your career. Job Description: NEW GROUND WON’T BREAK ITSELF. A look into the role Grant Thornton UK's CFO Solutions practice helps ambitious businesses transform their finance functions — making them faster, smarter, and more strategically relevant to the organisations they serve. We work with CFOs, FDs, and their teams across a range of sectors to drive enterprise value through transformation of finance from a cost centre to drivers of competitive edge. We are growing our team and looking for an exceptional Director to develop and lead our Financial Planning & Analysis (FP&A) and Enterprise Performance Management (EPM) capability. This is a high-profile role at the intersection of finance strategy, process improvement, and cutting-edge technology — working alongside senior clients and shaping the future of our practice. The Opportunity You will take a leading role in delivering complex, multi-workstream engagements that help clients transform how they plan, budget, forecast, and report. You will combine deep functional expertise in FP&A with hands-on experience of EPM technology implementation to drive genuine, measurable outcomes for clients. This is not a back-office role. You will be visible with clients at CFO and Board level, shaping propositions, leading teams, and building Grant Thornton's profile as a trusted adviser in this space. What You Will Do Client Delivery Lead end-to-end FP&A transformation programmes: from current-state diagnostic through to target operating model design and implementation Own EPM technology workstreams — overseeing solution design, vendor engagement, configuration, testing, and change management Advise clients on EPM platform selection across vendors including OneStream, Prophix, Board International and Anaplan Design and implement improved planning, budgeting, and forecasting processes — including driver-based models, rolling forecasts, and scenario planning frameworks Translate complex finance and technology challenges into clear, actionable roadmaps that clients can own and execute Manage delivery across multiple concurrent projects, ensuring quality, timeline, and budget commitments are met Business Development Build and maintain a strong pipeline through a combination of existing client relationships, network referrals, and targeted outbound activity Author compelling proposals and lead pitches to CFO-level stakeholders, demonstrating a differentiated point of view on FP&A and EPM Develop and maintain relationships with EPM vendors (OneStream, Prophix, Board) as part of GT's Digital Alliances programme Practice Development Contribute to the development of GT's FP&A and EPM service offerings — including methodologies, tools, accelerators, and thought leadership Build and mentor a high-performing team of Managers and Consultants, creating a culture of quality and continuous learning Represent Grant Thornton at external events, roundtables, and industry forums to grow our profile in the FP&A transformation market Collaborate across Grant Thornton service lines to bring integrated solutions to clients, including technology, people, and process expertise Knowing you’re right for us We’ve set ambitious growth targets for the firm, and we need the right people to help us achieve these. We’re looking for people who will bring ambition and drive to their role. In changing markets, we need to be able to work at pace and be adaptable to change and to be curious, asking questions of ourselves, each other and our clients to ensure we are delivering the services and quality we expect. Joining us as a Director, the minimum criteria you’ll need is 8+ years in FP&A, finance transformation, or management consulting It would be great if you had some of the following skills, but don’t worry if you don’t tick every box, we’ll help you develop along the way. Essential Significant experience (typically 8+ years) in FP&A, finance transformation, or management consulting, with a track record of leading complex programmes Hands-on EPM implementation experience with one or more platforms: OneStream, Prophix, Board International or comparable Deep understanding of FP&A processes: planning cycles, budgeting and forecasting, management reporting, consolidated P&L, KPI frameworks Demonstrated ability to design future-state FP&A operating models — covering process, data, technology, and people dimensions Experience working at senior client levels — comfortable presenting to and building trust with CFOs, FDs, and Private Equity stakeholders Professional qualification (ACA, ACCA, CIMA, ICAS or equivalent) preferred, though not mandatory for the right candidate Strong commercial acumen — able to scope engagements, manage budgets, and identify revenue opportunities Highly Desirable OneStream implementation experience (certification an advantage) Familiarity with EPM vendor ecosystems and partner/alliance models Experience in Private Equity-backed environments or preparing finance functions for exit or IPO Exposure to broader finance technology landscape: ERP (SAP, Oracle, D365), data visualisation (Power BI, Tableau), and data warehouse concepts Sector depth in one or more of: Financial Services, Consumer, TMT, Infrastructure, or Public Sector Experience building or scaling a consulting practice area or service line Knowing we’re right for you The culture at Grant Thornton is what sets us apart, we’re known for our inclusive culture and creating environments where all our people can flourish. The things that set you apart, we value them, and this helps us all to perform at our best. Our values are the unwavering principles that shape our daily behaviours and decisions, alongside our drive to do the right thing. We’re looking for people who align with our values and are purposefully driven, actively curious and candid but kind. You can learn more about our values in practice here. It’s not just about our culture and values, in addition to a competitive salary and reward package, us you’ll also get: Tailored development programmes and access to coaching Flexible bank holidays – allowing you to celebrate the days that are important to you Benefits including pension, life assurance and private medical, additional holiday purchasing and health benefits Any benefits giving you access to shopping discounts, gym memberships, financial advice And more. Visit our benefits section to read more. How we work We have a trust-based way of working, driven by responsible people who have the best interests of our firm and our clients at heart. Our how we work framework gives flexibility in where, how, and when we work to deliver the best results for our clients, whilst helping you keep a balance between work and life. Life is more than work, the things you do, and the people you’re with outside of work matter, that’s why we’re happy to look at flexible working options for all our roles. That is how it should be. We’re looking for people who can help drive the business forward, who want to contribute, spark fresh ideas and go beyond expectations. People who want to be able to proudly do what’s right, for the firm, our clients, our people and themselves. It’s how it should be.