Senior Tax Manager

Mishcon de Reya LLP; Greater London; On-site; GBP 120,000 - 160,000; Full time

Job summary

Mishcon de Reya LLP is seeking a Senior Tax Manager to lead the partnership tax function, manage the internal tax team and oversee the LLP’s tax compliance and reporting obligations. The role involves advising partners on UK taxation matters, coordinating with external advisers, and ensuring robust tax governance across the firm.

You will work closely with the Head of Partnership Tax and Accounting to manage tax risk, forecasting, and compliance, while supporting strategic projects and process

Qualifications

• Accounting and/or tax qualification or equivalent experience.
• Extensive experience in partner taxation and related accounting.
• Experience in a partnership environment preferred but not essential.
• Strong attention to detail with a methodical approach.
• Excellent oral and written communication skills.
• Ability to manage multiple deadlines and stakeholders.
• Discretion, confidentiality and diplomacy in handling sensitive information.
• Comfort with AI and digital tools to improve tax processes.

Responsibilities

• Oversee annual partnership tax returns, UK filings, and overseas filings.
• Identify and monitor tax risks across the LLP and subsidiaries.
• Ensure compliance with tax legislation and reporting obligations.
• Review profit computations and tax adjustments for consistency.
• Manage partner tax reserve policy and processes with Head of Partnership Tax.
• Support payroll in calculating tax reserves from drawings.
• Assist with tax aspects of partner admissions, retirements and changes in profit-sharing.
• Advise partners on membership tax obligations and implications.
• Reconcile tax reserve accounts and supervise reserve movements.
• Provide guidance to partners on UK taxation matters.
• Oversee Overseas Working requests and PE implications.
• Manage relationships with external tax advisers daily.
• Produce cashflow forecasts for partner tax liabilities and reserves.
• Monitor legislative developments affecting LLPs and members.
• Support partnership restructuring and business change projects.
• Provide technical guidance and maintain tax controls and documentation.
• Support tax governance framework development and operation.
• Respond to HMRC enquiries and external correspondence.
• Assist audits requiring tax information and supervise junior staff.
• Contribute to strategic projects including remuneration reviews.

Skills

Partner taxation

Accounting

Tax compliance

Stakeholder management

Communication

Confidentiality

AI awareness

Education

Accounting/Tax qualification

Tools

Tax software

Excel

Job description

The Department

Our Finance team also continues to go from strength to strength and we are involved in exciting and innovative initiatives across the firm. Rather than being considered a necessary support function, our Finance department is an integral part of the strategy of the firm and this is reflected both by the level of investment and how new initiatives are discussed at the most senior level.

The Role

Reporting to the Head of Partnership Tax and Accounting, the Senior Tax Manager will be responsible for managing the tax affairs of the LLP and its members (partners), ensuring compliance with UK partnership tax requirements whilst providing a proactive and commercially focused tax service to the firm and its partners. The role will also manage the internal tax team, which currently comprises two people.

The role will take the lead on the day-to-day operation of the firm's partner tax reserve arrangements, partner tax reporting, tax cashflow forecasting and oversight of the LLP's annual tax compliance process. The successful candidate will work closely with the Head of Partnership Tax and Accounting, external tax advisers, Finance leadership and partners across the business to ensure the effective management of tax risks, obligations and funding requirements.

Duties And Responsibilities

• Oversee the annual partnership tax return process, partner UK tax filings, subsidiary entity corporation tax and overseas tax filings.
• Identify and monitor tax risks affecting the LLP, its subsidiaries and its members.
• Ensure compliance with relevant tax legislation and reporting obligations.
• Review adjusted profit computations; review tax adjustments and ensure consistency with accounting records and partnership allocations.
• In conjunction with Head of Partnership Tax and Accounting, manage the firm's partner tax reserve policy and processes.
• Support the Payroll team in their calculation of tax reserves from drawings.
• Assist with the tax aspects of partner admissions, retirements and changes in profit-sharing arrangements.
• Support partners in understanding their tax obligations arising from LLP membership.
• Reconcile partner tax reserve accounts and oversee tax reserve movements.
• Act as a trusted adviser to partners on UK tax matters relating to their membership.
• Support the team on Overseas Working requests with an emphasis on PE implications.
• Manage the relationship with the firm's external tax advisers on a day to day basis.
• Produce cashflow forecasts relating to partner tax liabilities and reserve requirements.
• Monitor legislative developments affecting LLPs and their members.
• Support projects involving partnership restructuring and organisational change.
• Provide technical guidance on matters affecting member UK taxation.
• Maintain appropriate tax controls, procedures and documentation.
• Support the development and operation of the firm's tax governance framework.
• Manage responses to HMRC enquiries and tax authority correspondence, alongside our external advisors.
• Support internal and external audits where tax information is required.
• Provide day-to-day supervision and technical support to junior members of the team.
• Support strategic projects including partner remuneration reviews, partnership restructuring and business change initiatives
• Drive process improvement and automation initiatives within the tax function.

Skills/Experience

• Accounting and or Taxation Qualification, or QBE.
• Extensive experience of individual partner taxation and related accounting.
• Experience working in a partnership environment preferred but not essential.
• Strong attention to detail with a methodical and logical approach.
• Excellent communication skills both oral and written.
• Proven ability to manage multiple deadlines and stakeholders.
• High levels of confidentiality, discretion, and diplomacy.
• Confident in dealing face to face with partners in a measured way with the ability to impart complex financial information in meaningful manner.
• Highly organised with an eye for efficiencies and improvements.
• An interest in, and practical understanding of, how AI and other digital tools can be used responsibly to improve the efficiency, accuracy and consistency of tax and finance processes.
• Ability to work under pressure and prioritise conflicting requirements effectively.
• Ability to work independently to research and provide advice on technical tax matters coupled with forward planning skills.
• Hard working, flexible and willing to undertake ad hoc projects and duties within a small team.

Please note that this job profile is not an exhaustive list of duties but merely an outline of the key components of the role. You may be required by your line manager to take on additional responsibilities when requested.

About

We strive to create a fully diverse and inclusive workplace where all our people are empowered to fulfil their potential. We are proud of our agile working culture and are always happy to talk flexible working.

About Mishcon de Reya Group

The Mishcon de Reya Group is an independent, international professional services business with law at its heart, employing over 1400 people with over 650 lawyers. It includes the law firm Mishcon de Reya LLP and a collection of leading consultancy businesses that complement the firm's legal services.

Mishcon de Reya LLP is based in London, Oxford, Cambridge, Singapore, Hong Kong and UAE. The firm services an international community of clients and provides advice in situations where the constraints of geography often do not apply. The work the firm undertakes is cross-border, multi-jurisdictional and complex, centred around three increasingly entwined and connected sectors: the Innovation Economy, Private Wealth and Capital, and Real Estate. The firm is known as a disputes powerhouse with a formidable capacity firmwide for dispute resolution.

The Mishcon de Reya Group includes consultancy businesses MDR Discover , MDR Mayfair (in London, Singapore and Dubai), MDR ONE , and MDRi (in Hong Kong). The Group also includes MDR Lab , which invests in the most promising early stage legaltech companies as well as the Mishcon Academy, its in-house place of learning and platform for thought leadership.

In 2024, the Group announced its first strategic acquisition in the alternative legal services market, flexible legal resourcing business Flex Legal. It also acquired a majority stake in Somos, a global group actions management business.