OMB / Mixed Tax Manager

Brewer Morris; London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A well-established advisory firm in London is seeking an experienced OMB/Mixed Tax Manager to deliver tailored tax advice to diverse clients. This role involves managing junior colleagues and contributing to business development initiatives in a collaborative environment. Candidates should hold relevant qualifications and possess strong technical knowledge in various tax areas. The position offers a competitive salary and a hybrid working model.

Benefits

Competitive salary and benefits package

Hybrid working model with great flexibility

Clear progression pathways

Professional development support

Qualifications

• Proven experience advising owner-managed businesses post-qualification.
• Strong technical knowledge across corporation tax, income tax, CGT, IHT, VAT, and SDLT.
• A collaborative team player with mentoring experience.

Responsibilities

• Deliver tailored tax advice across a variety of projects.
• Manage and review work prepared by junior colleagues.
• Lead client communications and contribute to advisory work.

Skills

Communication skills

Proficiency in Excel

Proficiency in Word

Technical knowledge in multiple tax areas

Team collaboration

Education

Qualified (ACA/ACCA and CTA/ATT)

Job description

OMB / Mixed Tax Manager

About the Company

Our client is a well-established, multi-disciplinary advisory firm with a strong reputation for delivering high-quality tax, audit, and consulting services to a diverse portfolio of clients. With offices across London and the regions, and access to a global network, they are uniquely positioned to support businesses at every stage of their growth. The firm fosters a collaborative and inclusive culture, where people are encouraged to make a meaningful impact through expert advice and genuine understanding.

Role Overview

They are seeking an experienced OMB/Mixed Tax Manager to join a dynamic and growing Corporate and Business Tax team. This is a client-facing advisory role offering exposure to a wide range of tax projects and the opportunity to work closely with senior leadership. The successful candidate will play a key role in delivering bespoke tax advice to owner-managed and family-run businesses, while mentoring junior team members and contributing to business development initiatives.

Key Responsibilities

• Deliver tailored tax advice across a variety of projects, working closely with partners and specialist teams.
• Manage and review work prepared by junior colleagues, ensuring technical accuracy and clarity.
• Lead client communications and contribute to advisory work throughout the business lifecycle.
• Collaborate with internal and external stakeholders to implement tax strategies and preserve desired outcomes.
• Prepare tax valuations, clearance letters, and HMRC submissions related to reorganisations and reliefs.
• Advise on employee share schemes (e.g. EMI, growth shares) and prepare valuation reports.
• Support clients with EIS/SEIS qualifying conditions and advance assurance submissions.
• Review corporation tax returns and support general practice teams with technical queries.
• Assist with compliance work, including income tax self-assessment, PAYE, and corporation tax procedures.

Candidate Profile

• Qualified (ACA/ACCA and CTA/ATT).
• Proven experience advising owner-managed businesses post-qualification.
• Strong technical knowledge across multiple tax areas including corporation tax, income tax, CGT, IHT, VAT, and SDLT.
• Excellent communication skills with the ability to simplify complex tax matters.
• Advanced proficiency in Excel and Word.
• A collaborative team player with mentoring experience.
• Organised, motivated, and able to manage multiple priorities.
• Commercially aware with a proactive approach to client service and business development.

What’s on Offer

• Competitive salary and benefits package.
• Hybrid working model with great flexibility.
• Clear progression pathways and professional development support.
• Opportunity to work on high-impact advisory projects.
• Inclusive and supportive team culture.
• Access to a broad client base and international network.

If this role is of interest, please apply now or reach out to Morgan Schuler at [e-mail] to discuss the role further.

Please note our advertisements use PQE/salary levels purely as a guide. However, we are happy to consider applications from all candidates who are able to demonstrate the skills necessary to fulfil the role.

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