Senior Corporate Tax Manager

Insite Finance; Milton Keynes; On-site; GBP 80,000 - 95,000; Full time

Benefits offered by this job

Director progression

Partner exposure

High-value advisory work

Long-term opportunity

Job summary

Insite Finance in Milton Keynes seeks a Senior Corporate Tax Manager to lead a broad corporate tax portfolio and influence strategic direction with Partners. The role blends advisory leadership with compliance oversight, managing large groups and investor-backed structures.

You will drive restructures, acquisitions and growth planning while mentoring Managers and developing future leaders in a high-profile, top-tier practice environment.

Qualifications

• Qualified ACA/ACCA and/or CTA with strong corporate tax background.
• Extensive corporate tax experience within the accountancy sector.
• Strong advisory capability alongside leadership of compliance.
• Experience dealing with larger groups and investor-backed businesses.

Responsibilities

• Provide strategic oversight of corporate tax across a substantial portfolio.
• Lead on restructures, acquisitions and growth planning.
• Support due diligence and investment transactions.
• Advise shareholder‑managed and PE-backed groups.
• Manage complex technical matters and risk areas.
• Oversee billing strategy and portfolio profitability.
• Develop Managers and rising leaders within the tax team.
• Support business development and proposal work.

Skills

Strategic tax planning

Advisory capability

Client relationship management

Education

ACA

ACCA

CTA

Job description

Senior Corporate Tax Manager

Milton Keynes
£80,000 - £95,000 per annum
If you are ready to move beyond portfolio management and into a position where you influence strategy, client direction and team development, this Senior Corporate Tax Manager role offers that progression.
A nationally established top 20 firm in the accountancy sector is strengthening its senior tax leadership presence in Milton Keynes. They are seeking an experienced Senior Corporate Tax Manager to oversee a significant corporate client base while working closely with Partners on advisory and growth initiatives.

The opportunity

You will lead a diverse portfolio spanning owner-managed businesses, complex group structures and investor-backed organisations. The firm operates prominently within the accountancy market and combines regional autonomy with national technical strength.
This position is advisory-led. While compliance oversight remains part of the brief, the emphasis is on structuring, transactions and commercially grounded planning work.

What you will be responsible for

• Providing strategic oversight of corporation tax compliance across a substantial portfolio
• Leading on restructures, acquisitions and growth planning projects
• Supporting due diligence and investment transactions
• Advising shareholder-managed and PE-backed groups
• Managing complex technical matters and risk areas
• Overseeing billing strategy and portfolio profitability
• Developing Managers and emerging leaders within the team
• Supporting business development activity and proposal work

Your background

• ACA, ACCA and/or CTA qualified
• Extensive corporate tax experience gained within accountancy
• Strong advisory capability alongside compliance leadership
• Experience dealing with larger groups and investor-backed businesses
• Confident managing senior client relationships
• Commercially astute and strategically minded

What is on offer

• £80,000 - £95,000 per annum (estimated)
• Clear route towards Director progression
• Direct Partner exposure
• High-value advisory work
• A well-established presence with long-term opportunity

For an ambitious Senior Corporate Tax Manager seeking genuine influence in Milton Keynes, this represents a strong next step within a respected top 20 practice.