Transaction Tax Senior Manager

Cooper Parry; City Of London; On-site; GBP 60,000 - 90,000; Full time

Job summary

A leading accountancy firm in London seeks a seasoned tax advisor to lead M&A transactions. The ideal candidate will possess an ACA, ACCA, or CTA qualification with substantial experience in tax due diligence and advisory. You will mentor team members and maintain relationships with clients in the UK mid-market. The company offers a flexible work culture with numerous employee benefits and a commitment to diversity and inclusion.

Benefits

Flexible work approach

Generous holiday entitlement

Enhanced parental leave policy

Enhanced pension scheme

No dress code

Multi-award-winning wellbeing offering

Volunteering opportunities

Social and sports clubs

Qualifications

• Significant experience in leading tax aspects of M&A transactions, ideally in a private equity context.
• An ambition to drive transformation within professional services.
• Curiosity, energy, and a sense of humour.

Responsibilities

• Lead multi-disciplinary deal teams on tax due diligence and advisory projects.
• Manage and grow relationships with PE houses and corporates across the UK.
• Coach and develop managers and junior team members.

Skills

Strong communication and influencing skills

Ability to lead tax aspects of M&A transactions

Team leadership and relationship building

Creative problem-solving

Education

ACA, ACCA or CTA qualification

Job description

About the role...

You’ve been around deals long enough to know that great tax advice isn’t about ticking boxes, it’s about shaping outcomes. At Cooper Parry, you’ll be at the centre of the action: advising investors, management teams and entrepreneurs on the moments that matter most. You’ll lead complex projects, drive growth, mentor the next generation of deal advisers, and help define what world-class looks like in our fast-scaling Transaction Tax team.

About the day to day…

• Lead multi-disciplinary deal teams on tax due diligence, structuring and advisory projects for private equity and corporate clients.
• Be a trusted voice in negotiations, providing calm, commercial advice when the stakes are high.
• Manage and grow relationships with PE houses, corporates and management teams across the UK mid-market.
• Support the strategic direction of the team — shaping propositions, delivery models and the way we go to market.
• Coach and develop managers and junior team members, fostering confidence and technical excellence.
• Collaborate across Cooper Parry’s corporate finance and transaction services teams to deliver a seamless client experience.

About you...

You’re technically sharp and commercially switched on, someone who sees beyond the numbers to the bigger picture. You enjoy leading teams, building relationships and finding creative ways to deliver outstanding results.You’ll likely bring:

• ACA, ACCA or CTA qualification (or equivalent experience).
• Significant experience leading tax aspects of M&A transactions — ideally in a private equity context.
• Strong communication and influencing skills, with the confidence to challenge and advise senior stakeholders.
• A passion for developing people and building a culture of excellence and trust.
• An ambition to drive transformation within professional services
• Curiosity, energy and a sense of humour — because life’s too short for dull deals.

About us...

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
• BecameB CorpCertified 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 theInspiring 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.