Private Capital Tax Assistant Manager

Overview

Grant Thornton is a professional services firm providing audit, tax and advisory services. We empower clients through strategic insight, curiosity, and genuine partnership, and empower our people with opportunity, an inclusive culture and work life balance.

With over 5,000 people in the UK and a presence in 150 global markets, we are on an ambitious journey to grow from great to exceptional. We aim to redefine what our industry looks like and what you want from your career.

Role

New Ground Won’t Break Itself.

Our Birmingham Corporate Tax team is looking for an Assistant Manager to join and aid the growth of the tax practice in the Midlands, with a focus on the mid-market and owner-managed businesses (OMBs). We offer opportunities to develop and grow the portfolio of business, establish strong client and firm relationships, and contribute to domestic and cross-border tax assignments.

The team helps clients navigate the tax and sector landscape by providing tailored solutions to manage risks today and anticipate future changes. Flexible working is supported, including reduced hours and job shares.

Responsibilities

• You’ll manage a portfolio of clients consisting of owner‑managed businesses, private equity backed and large groups, supporting them on their corporation tax affairs, including annual corporation tax work and specialist claims, and tax advisory projects such as group restructurings and international expansions.
• You will supervise/review work by junior team members and, in most cases, report directly to Partners and Directors.
• You’ll deliver corporate tax compliance and advisory services for clients, oversee your portfolio, liaise with Audit colleagues and other teams, and become the main point of contact for clients. You’ll coach and develop junior staff, proactively seek new business opportunities and participate in pitches/proposals.
• You will organise the delivery of tax work and problem solve daily, becoming the key contact for clients and building internal/external networks. You will be commercially minded with a clear sense of client requirements.

Knowing you’re right for us

We have ambitious growth targets and are looking for people with ambition and drive who can work at pace, adapt to change, and stay curious to ensure we deliver high-quality services.

Minimum criteria: qualified (CA, ATT, CTA). We welcome candidates who may not tick every box and will support development.

Qualifications (minimum)

• Experience of working in a corporate tax position.
• 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.
• Excellent communication skills to support the team and client accounts.
• Flexibility to juggle client commitments and meet deadlines.

Knowing we’re right for you

The culture at Grant Thornton is inclusive and supportive, helping people flourish. Our values guide daily behaviour and decisions, and we seek people who are purposefully driven, curious and candid but kind.

You can learn more about our values in practice here.

Benefits

• Tailored development programmes and access to coaching
• Flexible bank holidays to celebrate important days
• Benefits including pension, life assurance and private medical, with additional holiday purchasing and health benefits
• Benefits such as shopping discounts, gym memberships, financial advice

And more. Visit our benefits section to read more.

How we work

We offer a trust-based way of working with flexibility in where, how, and when we work to deliver the best results for our clients while supporting work-life balance. We’re open to flexible working options for all roles.

We’re looking for people who can drive the business forward, contribute ideas, and go beyond expectations. It’s how it should be.