Business Tax Assistant Manager

Are you newly qualified and looking for a a step into an Assistant Manager position? Or an Assistant Manager hungry for another challenge and development into the next stages of your career?

We have a fantastic opportunity to join our rapidly growing Tech & High Growth Tax team who aren't just focused on the growth of the team but those in it as well. You will receive support, development and a cracking team that will back you all the way.

As an Assistant Tax Manager, you’ll build and maintain relationships with some of the fastest growing, best funded tech scaleups in the UK, supporting the founders and the finance teams in these companies to deal with the tax challenges of rapid expansion.

You’ll be responsible for delivering robust compliance and intuitive advisory work whilst being supported by a brilliant team. At the heart of everything is our client relationships, so we’ll support you to really understand what makes each of our clients tick and how we can take our support to the next level for them, enabling you to be an awesome Advisor.

We’re looking for people who want to play to their strengths and love what they do. We make a tangible difference to our clients, so if you want to play a part in supercharging our clients and in doing so act as a catalyst for their growth, then we can’t wait to hear from you.

About the role...

Are you ready to level up? If you’re a business tax pro, love working closely with clients, and want to dive deeper into advisory, this is your moment!

At Cooper Parry, we don’t do boring. We do game-changing, jargon-free, people-first tax - helping businesses navigate compliance and strategy with confidence.

What You’ll Be Owning:

• Keep a diverse range of business clients in top shape, balancing compliance and advisory services with a personal touch
• Review corporate tax returns, computations, and tax accounting disclosures, ensuring everything is spot on
• Support tax planning, restructuring, and profit extraction strategies, helping businesses make informed decisions
• Be the go-to tax contact for your clients, ensuring trust, clarity, and stellar service.
• Work with our Audit and Advisory teams for a seamless service, and coach junior talent to build the next generation of tax pros

At Cooper Parry, we’re in it together. All we ask of our people is that they play all in. You’ll continuously strive to keep learning – whether you’re a trainee or a Partner – and you’ll be brave, stepping out of your comfort zone to tackle new challenges. Above all, be nice. A simple notion, but an irreplaceable part of what makes CP, CP.

In addition to those core values, as a Business Tax Assistant Manager you should;

• A corporate tax specialist with experience managing compliance and advisory work.
• Be fully qualified in either of the following - ACCA  / ACA / ATT / CTA or equivalent
• Be a self-motivated, driven team player who is exceptional at building trusted relationships both internally and externally
• Most of all you'll be enthusiastic and have a spark to captivate clients
• A problem-solver that is commercial minded and determined who thrives in a fast-paced, ambitious environment
• Someone eager for career progression—we’ll give you the space to grow!

Ready to shake up business tax and take your career forward? Let’s talk! Drop us a message, apply, or share this with someone who’s got what it takes.

We’ve been dubbed ‘the rebels of accountancy’. We’re straight-talking. Never afraid to share our opinions. We put people and relationships before products and services, and deliver a streamlined, client-focused service – free from unnecessary red tape.

Check out our recent achievements:

• Best Companies’ No.1 Accountancy Firm & No.30 Best Large Company to Work For in the UK
• Became B Corp Certified in 2023 and we’re still the UK’s largest accountancy B Corp, measuring and improving our impact beyond business for a brighter tomorrow
• Achieved 5 awards at the Inspiring Workplace Awards in 2025: winner in the Large Business category and best in class for inspiring People & Culture, Wellbeing, Inclusion and Employee Experience

What's in it for you?

Our people are the beating heart of our culture. We know that if you love working here, and you’re given the trust and autonomy to work in a way that best suits you, you’ll produce amazing results.

That’s why we offer things like:

• A flexible approach to work - balancing working from home, in office or with clients
• A generous holiday entitlement
• An enhanced parental leave policy
• An enhanced pension scheme
• No dress code – just “wear something!”
• A multi-award-winning wellbeing offering to support your physical, mental, spiritual, and financial health
• Volunteering opportunities to work closer with local communities and charities
• Cooper Parry social/sports clubs

Feeling supported and welcomed is such a big part of bringing your whole self to work. As an equal opportunities employer, we’ll work with you to ensure you have everything you need to develop your skills and achieve your best.

Get in touch if you have any questions about our commitment to Diversity & Inclusion or about accessibility/accommodations during your application process.

For the attention of agencies - unsolicited CVs will not be honoured. We will only accept CV submissions for roles briefed to you by our Talent Acquisition team.

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