We’re a national law firm with a local reach. Our legal experts are here for you. Whether it’s personal or business, we understand that everyone’s situation is different. But we’re more than just a law firm – we’re a team of people working together to help individuals and businesses navigate life’s ups and downs. Working here you’ll feel a part of our friendly and inclusive environment.

We’ll value you for who you are and what you bring. We support each other and push boundaries to achieve incredible things and make a real difference to our clients and communities.

We're always looking to support our colleagues to work in a way that works best for them and everyone else, including our clients, the business and the regulators. Please speak to a member of our Recruitment and Onboarding team for more information.

We’re now looking for an enthusiastic Tax Assistant to join our Tax team based in Sheffield, offering a great opportunity to develop your career in personal tax within a supportive law firm environment.

This is a great opportunity for someone at the early stages of their tax career who enjoys detailed work, wants to build strong technical foundations and is keen to learn within a supportive, collaborative team.

Working closely with Tax Advisors and our lawyer colleagues, you’ll provide day‑to‑day support on personal tax compliance matters, gaining hands‑on experience and exposure to a varied client base.

What you’ll be doing:

• Assisting with the preparation of Self-Assessment tax returns and Capital Gains Tax computations and managing your own caseload efficiently
• Supporting the team with day‑to‑day tax administration and use of commercial tax software
• Handling basic HMRC correspondence and supporting disclosures under supervision
• Maintaining accurate records and helping to ensure deadlines are met
• Working closely with colleagues across the Trust & Tax team and wider firm
• Developing your technical knowledge and skills through on‑the‑job learning and support

We’re looking for someone who is organised, motivated and keen to develop a career in tax, with a positive and proactive approach.

You’ll ideally have:

• Previous experience in an administrative, finance or tax support role (desirable but not essential)
• A genuine interest in personal taxation and tax compliance work
• Strong attention to detail and good organisational skills
• Confidence using Microsoft Office, particularly Excel
• Good written and verbal communication skills
• A willingness to learn, take feedback on board and work as part of a team

• 25 days holidays as standard plus bank holidays - You can ‘buy’ up to 35hrs of extra holiday too.
• Generous and flexible pension schemes.
• Volunteering days – Two days of volunteering every year for a cause of your choice (fully paid)
• Westfield Health membership, offering refunds on medical services alongside our Aviva Digital GP services.

We also offer a wide range of well-being initiatives to encourage positive mental health both in and out of the workplace and to make sure you’re fully supported.  This includes our Flexible by Choice programme which gives our colleagues more choice over a hybrid way of working subject to role, team and client requirements.

We have been ranked in the Best Workplaces for Wellbeing for Large Organisations for 2024!

Our responsible business programmes are fundamental to who we are and our purpose. We’re committed to being a diverse and inclusive workplace where our colleagues can flourish, and we have established a number of inclusion network groups across our business to support this aim. 

Our commitment to Social Responsibility, community investment activity and tackling climate change is a fundamental part of who we are. It’s made up of four strands: Our People, Our Community, Our Environment and Our Pro Bono.

As part of the Irwin Mitchell Group’s on-boarding process all successful applicants are required to complete the group’s employment screening process. This process helps to ensure that all new employees meet our standards in relation to honesty and integrity therefore protecting the interests of the Group, colleagues, clients, partners and other stakeholders.

We carry out pre employment screening to establish your eligibility to work in the UK, criminal record and financial checks ­with our trusted 3rd parties.

The employment screening process will fully comply with Data Protection and other applicable laws.

Irwin Mitchell LLP is an equal opportunity employer.