Assistant Manager

Stratford, Greater London

Every day our teams help people in businesses and communities to do what is right and achieve their goals. You will join our growing Private Capital Corporate Tax team and facilitate the continued growth of the tax practice in and across the central belt with a particular focus on the mid-market and OMBs. We can offer outstanding opportunities to develop and grow the portfolio of business, establish strong relationships with clients and across the firm and contribute to domestic and cross border tax assignments. The team helps clients to navigate the increasingly complex tax and sector landscape by providing tailored solutions to manage risks today and stay ahead of future changes.
We're happy to talk flexible working and consider reduced hours and job shares, we'll support you to balance your work and life.
A look into the role
As an Assistant Manager within our Private Capital Corporate Tax team you will:
You'll be managing a portfolio of clients consisting of owner-managed businesses, private equity backed and large groups, supporting them on their corporation tax affairs. In addition to the annual corporation tax work and specialist claims, you will also be working on tax advisory projects including project financing and transactions
You will also be responsible for supervising / reviewing work prepared by junior members of the team, and will (in most cases) report directly to Partners and Directors
You'll be a key part of delivering corporate tax compliance services, audit of tax and tax advisory for our clients. You will oversee and manage your own portfolio of clients, including liaising with Audit colleagues where necessary, and other teams - becoming the main point of contact for clients in your portfolio. You'll help coach and develop junior members of staff, proactively seek out new business development opportunities and participate in pitch / proposal sessions
You will be responsible for organising the delivery of tax work and problem solving on a daily basis. By becoming the key point of contact for your clients, you will have the opportunity to build your internal and external network - giving you the opportunity to build your communication skills and collaborate with others. You will be commercially minded and have a clear perception of client requirements
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 an Assistant Manager, the minimum criteria you'll need is to be qualified (ACA, ATT, CTA) with experience of working in a corporate tax position. 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.
Strong, up to date, knowledge of UK corporation tax legislation and international tax concepts
Experience in reviewing work and supervising staff in a tax environment
Evidence of managing corporation tax compliance portfolios and tax accounting / audit of tax
Excellent communication skills in supporting the team grow and deliver on key client accounts
Be flexible in order to juggle client commitments and meet deadlines

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.

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.
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:
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.
#LI-BW
Posted 2026-09-06

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