Integration / M&A Project Manager in Blackwater, Hampshire

Integration / M&A Project Manager (Post-Merger Integration, Business Integration, Acquisition Integration) Location: Berkshire (Hybrid- up to 2 days a week in office or required travel) Salary: £80,000 + competitive benefits package including bonus The Organisation Our client are a large, national, multi-site property and services group, operating across England and Wales, with a strong reputation for operational excellence and customer service. The organisation is continuing to grow through an active and well-established acquisition strategy and is investing in strengthening its integration capability to support this growth in a structured, sustainable way. The Opportunity We are seeking a senior Integration / M&A Project Manager to lead the end-to-end integration of multiple acquisitions across the business. This is not a pure “IT” project management role. The focus is on ensuring that newly acquired businesses are fully integrated operationally, with people onboarded, processes aligned, data trusted, and customer experience protected , from deal close through post-go-live stabilisation and into BAU. This role would suit candidates currently working as: * M&A Integration Manager * Post-Merger Integration (PMI) Manager * Business or Operational Integration Manager * Programme or Senior Project Manager with acquisition or transformation experience Key Responsibilities Lead a pipeline of parallel acquisitions from deal close through stabilisation and handover to BAU Establish and maintain robust integration governance, including plans, RAID, dependencies, milestones and senior-level reporting Coordinate integration activity across people, process, data and technology Own and oversee data migration quality, including validation, reconciliation and formal sign-off Ensure compliance with regulated and client-money environments * Drive operational readiness at go-live, including: * Staff onboarding and training * Process alignment and documentation * Support models and hypercareLead post-go-live adoption, ensuring standard ways of working are embedded * Work closely with operational leadership to protect and enhance customer service during change * Manage third-party vendors and delivery partnersI * Identify, escalate and mitigate risks that could impact service quality, compliance or staff adoption Technology Environment Integrations will involve a combination of: A core industry-specific operating platform and associated third-party applications Microsoft Dynamics 365 (Finance) Microsoft 365 Networks, telephony and security (Hands-on configuration is not required; strong ownership of data quality and outcomes is essential. You will be supporting a Head of Data.) Experience We’re Looking For * Proven experience delivering M&A or acquisition integrations, including post-go-live stabilisation * Strong programme or project management background with disciplined governance * Demonstrable ownership of data migration quality and reconciliation * Experience integrating business operations and technology simultaneously * Comfortable operating in regulated, compliance-driven environments * Strong stakeholder management across operational, technical and leadership teams Personal Profile * Delivery-focused with a strong eye for detail * Pragmatic, structured and resilient under pressure * Confident driving change through people, not just systems * Clear sense of ownership from deal close through operational maturity * Customer-focused, with a commitment to service quality throughout change Why This Role? This is a rare opportunity to take true ownership of integration outcomes in a growing organisation where integration quality directly impacts people, customers and performance , not just project milestones