Senior Tax Manager

The Career Agent; Brighton; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Collective Concepts Accounting, based in Brighton, seeks a senior tax professional to join the leadership team. You will oversee personal tax returns, complex advisory work, and R&D claims, while mentoring staff and directing tax strategy for high-net-worth clients.

You will work with founders and senior stakeholders to shape the tax function, expand crypto and non-domiciled services, and deliver high-quality client service in a flexible hybrid setup.

Qualifications

• Qualified tax professional with extensive personal tax portfolio management.
• Experience with crypto tax, CGT, non-resident and non-dom rules, and HNW structures.
• Experience leading R&D tax claims.
• Strong leadership and ability to mentor staff.
• Excellent client communication and stakeholder management.
• Willingness to upskill to cover R&D advisory.

Responsibilities

• Overseeing the preparation and submission of personal tax returns.
• Prepare and review high-net-worth tax returns, including crypto and property scenarios.
• Lead our R&D tax advisory service, ensuring compliant and high-quality claims.
• Manage the tax consulting function, delivering strategic advisory work to clients.
• Provide expert tax advice across personal tax, CGT, residence, domicile, and crypto tax.
• Review complex computations prepared by junior and mid-level team members.
• Lead tax planning projects at both personal and corporate level.
• Support HMRC enquiries, disclosures, and technical queries as required.
• Mentor, train, and develop members of the tax and accounting teams.
• Assist with onboarding of high-value clients and attending networking/events as part of the leadership team.

Skills

Chartered Tax Advisor

CTA finalist

ACCA/ACA

Crypto tax

R&D advisory

Leadership

Mentoring

Client communication

Education

ACCA/ACA qualification

Tools

Cloud accounting tools

Tax software

Job description

• Working: Three days in the office, up to 40% of week working from home (after probation); 37.5 hours working week
• Flexible core hours from 09:15–14:45, giving you the autonomy to structure your day Hours: Full-time or part-time minimum 30hrs/week
• Location: Brighton

Company Overview

Collective Concepts Accounting is a modern, forward-thinking firm that prioritises genuine relationships over just crunching numbers. The founders Chris and Gina are empathetic leaders who care about their team member’s happiness and development.

They offer a supportive alternative to the traditional accountancy workplace, celebrating individuality, encouraging autonomy and trusting their people to take ownership of their work.

CCA work with technology startups and scale-ups, high-net-worth individuals, property clients, and talent and crypto investors. Their tailored accounting and advisory services provide financial clarity and help clients build sustainable, profitable businesses.

About You

We’re looking for a driven, technically strong Senior Tax Manager who can support the business at a strategic level while maintaining excellent client service.

You will join our senior leadership team and work closely with the Founder and Directors, taking responsibility for the quality, accuracy, and timely delivery of our tax function.

This includes managing the full personal tax return cycle, overseeing complex advisory work, mentoring junior staff, and shaping the future of our tax services.

You will play a crucial role in supporting high‑net‑worth individuals, crypto investors, property clients, and non‑dom/non‑UK tax residents with high‑complexity matters. You will also oversee our R&D advisory offering and manage the tax consulting arm of the business.

Ideal experience and attributes include

• Either Chartered Tax Advisor 2 years post qualification; or minimum of 15 years experience.
• CTA finalist (or equivalent experience); ACCA/ACA also welcome.
• Strong experience managing diverse and complex personal tax portfolios.
• Demonstrable expertise in crypto tax, CGT, non‑resident and non‑dom rules, and HNW structures.
• Experience preparing or reviewing R&D claims (or willingness to upskill quickly).
• Excellent technical knowledge with the ability to communicate clearly with clients.
• Proactive approach to workflow management, deadlines, and problem-solving.
• Strong leadership, coaching, and team development skills.
• Confident working directly with founders, senior stakeholders, and high‑value clients.
• Experience using modern digital tools and cloud accounting systems.

The Role

You will be responsible for

• Overseeing the preparation and timely submission of all personal tax returns
• Preparing and reviewing complex high‑net‑worth tax returns, including those involving:
• – Cryptoasset tax disclosures and returns
• – Property and share disposals (including CGT).
• Leading our R&D tax advisory service, ensuring compliance-focused and high‑quality claims.
• Managing the tax consulting function, delivering strategic advisory work to clients.
• Providing expert tax advice across personal tax, CGT, residence, domicile, and crypto tax.
• Reviewing complex computations prepared by junior and mid‑level team members.
• Leading tax planning projects at both personal and corporate level.
• Supporting HMRC enquiries, disclosures, and technical queries as required.
• Actively contributing to leadership discussions and operational decision-making.
• Mentoring, training, and developing members of the tax and accounting teams.
• Assisting with onboarding of high‑value clients and attending networking/events as part of the leadership team.

Location

Central Brighton

Flexible Working Policy

Flexible core hours from 09:15–14:45, giving you the autonomy to structure your day