Senior Corporate Tax Manager

Sumer

Corporate Tax Senior Manager delivering UK corporation tax advisory services with opportunities for career progression at Sumer NI, a leading accountancy firm in Northern Ireland.

Posted 7/31/2026full-timeBelfast • 🇬🇧 United KingdomSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in UK Corporation Tax advisory services, including corporate restructures, tax reliefs, and international tax matters, while effectively leading and developing a tax team to deliver client-focused solutions.

Highest-signal resume keywords

UK Corporation Tax AdvisoryCorporate RestructuresTax Reliefs and IncentivesACA and/or CTA QualificationClient Relationship Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Corporate Tax AdvisoryTax StructuringDue DiligenceTransfer PricingCapital AllowancesLoss UtilisationGroup Relief PlanningManagement Buy-OutsSuccession PlanningExit Readiness

Soft Skills

Strong Communication SkillsRelationship-BuildingMentoringProactive MindsetCommercial Judgement

Certifications & Qualifications

ACA QualificationCTA Qualification

Industry Keywords

Owner-Managed BusinessesSMEsCorporate ClientsAuditCorporate FinancePrivate Client Teams

About the role

Key responsibilities & impact

You'll work alongside our Tax Directors to deliver commercially focused UK corporation tax advisory services to a diverse portfolio of clients.
Lead and deliver UK corporation tax advisory projects for owner-managed businesses, SMEs, groups and larger corporate clients, ensuring advice is technically robust, practical and commercially relevant.
Advise on corporate restructures and reorganisations, including holding company structures, group simplification, demergers, hive-ups and pre-sale restructuring.
Support transaction-related tax advisory work, including acquisitions, disposals, due diligence, tax structuring, management buy-outs, succession planning and exit readiness.
Provide advice on corporation tax reliefs and incentives, including capital allowances, substantial shareholdings exemption, loss utilisation and group relief planning.
Assist clients with international and cross-border corporation tax matters, such as transfer pricing, permanent establishment risk, withholding taxes and overseas expansion considerations.
Work closely with Tax Directors and colleagues across audit, accounts, corporate finance and private client teams to identify advisory opportunities and deliver joined-up client solutions.
Act as a key point of contact for complex UK corporation tax technical queries, preparing clear advice notes, reports and client communications.
Lead, coach and develop members of the tax team, helping them build advisory skills, commercial judgement and technical confidence.
Contribute to the growth of the tax advisory function through business development, proposal support, client relationship management and wider firm initiatives.

Requirements

What you’ll need

Strong experience of delivering complex Corporate Tax advisory services within an accountancy practice.
ACA and/or CTA qualification (or equivalent).
Excellent technical knowledge with the ability to provide practical, commercial advice.
Previous experience managing, mentoring or developing junior team members.
Strong communication and relationship-building skills with a client-focused approach.
A proactive mindset and enthusiasm for contributing to a growing and ambitious business.

Benefits

Comp & perks

You'll enjoy genuine client exposure, interesting and varied work, and the opportunity to provide practical, commercially focused advice that makes a real difference.
Strong pipeline of growth and investment across the business, there are excellent opportunities to broaden your experience and progress your career.
At Sumer, we know everyone’s journey is different. That’s why we’re committed to fairness, removing barriers, and giving people the support they need to do their best work.
Working in an inclusive workplace where everyone belongs and differences are valued and celebrated.