Senior Project Manager (Acquisition Integration)

Hollybank Trustees Ltd; Manchester; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

3 extra holidays per year

Auto enrolment Pension Scheme

Death in Service

Professional membership support

Paycare

Dress for your Diary Policy

Job summary

Affinia is seeking a highly organized Senior Project Manager to lead multiple acquisition integration projects from planning through execution. You will coordinate with Corporate Development, Integration Team, enabling functions, and external suppliers to deliver smooth Day 1 integration and ongoing improvements.

You will drive governance, risk management, and change management across people, processes and technology, ensuring end‑to‑end delivery within scope and on schedule.

Qualifications

• Proven experience as a Senior Project Manager managing multiple acquisitions/projects.
• Experience using project management tools (MS Project, Planner, etc.).
• Strong analytical and problem‑solving abilities with attention to detail.

Responsibilities

• Delivery of end‑to‑end integration plans for multiple acquisitions.
• Manage stakeholders and align objectives across teams.
• Identify and manage cross‑functional dependencies and risks.
• Produce governance reports and track KPIs for integration status.
• Act as change champion with clear communication and training.
• Develop and maintain standardised templates and processes for integration.
• Support group projects arising from growth through integration.

Skills

Senior PM

MS Project

Stakeholder mgmt

Analytical skills

Organizational skills

Tools

Planner

Job description

Location: Hybrid / Manchester, UK
job type: Permanent / Full-time
Sector and subsector: Business Operations | Project Management
Salary: Competitive salary

Job title: Senior Project Manager (Acquisition Integration)

Reporting to: Head of Integration & Technology

Hours: Full-time Mon-Fri 9am-5.30pm (37.5 hours per week)

Location: Hybrid working - North / Manchester area with some travel to London

Affinia is the UK’s largest purpose‑led, purpose‑built Accountancy firm, focused on building stronger, more valuable relationships. With over 1,600 colleagues across the East, South East, London and the Midlands, we are dedicated to supporting our clients, colleagues and communities.

We advise businesses, public sector organisations, charities and individuals throughout the UK and internationally across six Service Lines - Accountancy & Advisory, Tax and Planning, Audit & Assurance, Corporate Finance, Payroll and Corporate Recovery. Our team also offer in-depth sector expertise across a number of sectors, ensuring our clientsreceive the best short to medium and long‑term advice, tailored to them. We are committed to delivering excellence in every aspect of our work, adapting to the evolving technology and regulatory landscape while consistently exceeding client expectations.

Our people are our most valuable asset. We are therefore committed to supporting our colleagues throughout their professional development, providing guidance and training at whatever stage of their career they join us.

Purpose of the role:

We are seeking a highly organised Senior Project Manager to manage multiple acquisition Integration projects per year. This critical role will be responsible for managing the end‑to‑end integration planning and execution across people, processes, systems, and data.

You will be working with the Corporate Development team pre deal to support the running of the operational due diligence and build Day 1 Integration plans and priorities. You will then work closely with the Integration Team (Head of Integration, Business Analyst and other Integration Project Managers), Enabling Function leads (People & Culture, IT, Finance, Business Support and Marketing), Head of Services Lines (Accounts, Audit, Tax, Payroll) and key 3 rd party suppliers alongside the acquired business leadership teams to develop, agree and manager the integration and change management plans that create a smooth and efficient end user experience as they go through the change management journey onto the Affinia ways of working, systems and processes.

This is a unique opportunity to shape the post‑acquisition integration capability in a dynamic, growing organization and make a direct impact on strategic business success.

Accountabilities:

Integration Delivery: Develop, monitor and manage the integration plans for each acquired office. Ensure the agreed schedule & resource requirements are aligned with strategic goals and executed on time and within scope. It is expected that this role will own multiple (3-4 live projects) at a time within the portfolio of acquisitions.

Stakeholder Management: Work with internal stakeholders and the acquired business teams to align objectives, ensure critical risks, issues and actions are captured and executed to manage expectations and facilitate collaboration.

Dependency & Constraint Management: Identify and manage cross‑functional dependencies, risks, and constraints that may impact the integration timeline or deliverables. Proactively resolve issues and escalate where necessary.

Governance & Reporting: Produce clear progress reporting for the integration governance structures, track key performance metrics, and report on integration status, risks, and progress to executive leadership.

Change Management: Act as a change champion ensuring clear communication, training, and support for teams undergoing transition is in place, mentor and coach others within the business on the importance of the change cycle a newly acquired business will go through.

Standardization & Continuous Improvement: Maintain and develop the integration framework and deliverables, tools, templates, and processes to improve integration efficiency and consistency across all acquisitions, ensuring ongoing improvements are adopted.

Group Project Support: It is expected that this role will also support specific group projects that are as a direct result of the growth through integration.

Skills and Experience:

• Proven experience as a Senior Project Manager running multiple business projects at a time in a high growth, integration environment.
• Experience of managing integrated projects using project management toolsets (i.e. MS Project, Planner or other tools).
• Experience working in a fast‑paced, high‑growth environment.
• Strong analytical and problem‑solving skills, with attention to detail and the ability to manage complexity.
• Excellent stakeholder management and interpersonal skills with the ability to influence at all levels.
• Ability to work independently and as part of a team.
• Conscientious, self‑motivated professional with good organisational skills.

Desired Experience:

• Experience working within an M&A environment integrating multiple business together.
• Previous experience in professional &/or financial services, previous accountancy sector would be beneficial.
• Relevant project management certification (e.g. PMP, AMP, MSP, Agile or ScrumMaster).
• Experience working in a private equity‑backed environment.
• Change Management Certification

Core Benefits:

At Affinia, our culture is driven by ambition and a commitment to positively impact all the communities we serve. We are dedicated to the success, development, and wellbeing of our colleagues, helping them achieve their goals and seize the opportunities that come with our growth. Alongside a flexible and inclusive work environment, we offer the following core benefits:

Opportunity to purchase 3 extra days holiday per year.

Auto enrolment Pension Scheme with True Potential.

Death in Service.

Professional membership support.

Paycare – claim money back for Dental / Optical / Professional Therapies

Dress for your Diary Policy.

Please note that this job profile is not an exhaustive list of duties but merely an outline of the key components of the role. You may be required by your line manager to take on additional responsibilities when requested.

Affinia is committed to being an Equal Opportunity Employer. Our policy is unequivocal: we do not tolerate discrimination based on age, disability, sex, race, religion, or belief, gender reassignment, marriage or civil partnership, pregnancy, or maternity, or sexual orientation. We pride ourselves on being an inclusive organisation that actively promotes equality of opportunity for all, valuing the right mix of talent, skills, and potential. We welcome applications from a diverse range of candidates, and selection for roles is based solely on individual merit.

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Affinia will use the personal data you provide for recruitment purposes, including assessing suitability, communicating with you, arranging interviews, and completing pre‑employment checks. Our lawful bases include contractual necessity, legal obligations, and our legitimate interests in managing recruitment.