Integration Manager

Location: Hybrid (London / Manchester) Working pattern: Full-time

About AMS Group AMS Group is a Top 60 UK accountancy firm with an advisory-led proposition, headquartered in Manchester. Established in 1982, we've grown from a family-run practice to a nationwide business with over 300 employees across 12 offices. Our trading divisions span Audit, Accounts, Tax and Advisory, and we've completed eight acquisitions since 2021 with further growth planned.

In 2024 we were named the 7th Best Accountancy Firm to Work for in the UK, recognised as Best Employer in Tax (Tolley's Taxation Awards 2025) and Employer of the Year (GM Chamber of Commerce Awards 2024).

About the role This is a critical hire during a period of significant acquisition activity. As Integration Manager, you'll lead and coordinate the end-to-end integration of multiple acquired businesses into the Group — protecting deal value, reducing risk and ensuring the smooth transition of people, processes and clients.

You'll bring deep integration experience, strong programme management discipline and the ability to operate hands-on in a high-growth, entrepreneurial environment. Reporting to the Head of Value Creation, you'll act as the central coordination point across acquired entities, leadership teams, functional leads and external advisers.

What you'll be doing • Leading the planning, execution and monitoring of integration workstreams across concurrent acquisitions • Establishing integration governance, reporting cadences, RAID logs and decision-making frameworks • Designing and managing Day 1 readiness plans covering communications, operational preparedness, client impacts and risk controls • Building and delivering structured Day 30 / Day 100 integration roadmaps with clear milestones, owners, budgets and KPIs • Overseeing integration across finance, billing, MI reporting, HR, technology, systems migration, compliance, client communications and commercial alignment • Supporting cultural integration and guiding leaders through organisational design, role mapping and change communications • Identifying and proactively mitigating operational, financial, commercial and compliance risks • Tracking synergy delivery and reporting progress transparently to the Executive Team

What you'll bring • Proven experience delivering integrations for multiple acquisitions in a professional services environment — accountancy, legal, consulting, wealth management or similar • Strong programme and project management capability with a track record across complex, multi-workstream integrations • Deep understanding of operational processes, systems migrations, data integrity and change management • Strong financial acumen and comfort interpreting budgets, models and synergy assumptions • High emotional intelligence — able to build trust quickly, work with leaders under pressure and maintain calm in ambiguity • Exceptional communication and stakeholder management skills • Experience integrating firms into a multi-site or national group structure is a bonus • Exposure to FCA-regulated businesses, PE-backed environments or prior delivery of integration playbooks or PMO frameworks is advantageous

What's on offer • 25 days holiday plus the option to buy up to 5 more • Birthday off • Company bonus scheme • Pension scheme • Health cash plan • Enhanced parental pay and company sick pay • Perkbox subscription

AMS Group is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

You may have experience of the following: M&A Integration Manager, Post-Merger Integration Lead, Integration Programme Manager, PMO Manager, Merger Integration Consultant, Change & Integration Manager, Transformation Programme Manager, Acquisitions Integration Lead, Business Integration Manager, Group Integration Lead

REF-229 036