Business Unit Controller​/Contrôleur ou contrôleuse d’unité d’affaires

Partner One est un groupe d'investissement en pleine croissance qui acquiert et exploite des entreprises de logiciels parmi les plus réputées de leur secteur. Notre mission est de bâtir des organisations solides et durables en donnant aux personnes talentueuses les moyens de se dépasser et en favorisant l'excellence opérationnelle au sein de notre portefeuille d'entreprises.

Partner One is a fast-growing investment group that acquires and operates industry leading software companies. Our mission is to build strong, sustainable organizations by empowering exceptional people and driving operational excellence across our portfolio. We maintain a decentralized model that allows each business unit to operate with agility while being supported by a global shared services infrastructure.

We are seeking a Business Unit Controller to oversee the financial operations and performance of one or more software business units within the Partner One group. This role will serve as a strategic finance partner to business leadership and report directly to the CFO, playing a key role in ensuring accurate financial reporting, operational efficiency, and data-driven decision-making. The ideal candidate is hands-on, analytical, and results-oriented, with deep experience in accounting, financial planning, and operational finance within the software industry and complex, multi-entity environments.

You will work closely with the CFO and senior leadership to drive financial performance, ensure operational excellence, and contribute to Partner One's continued global growth and success.

• An Ideal candidate that can move comfortably between big picture ideas, and the tactics and action steps needed to flawlessly execute them.
• Oversee all accounting and financial reporting activities for the assigned business unit(s), ensuring compliance with Partner One policies and relevant accounting standards (US GAAP).
• Lead the monthly, quarterly, and annual closing processes, including revenue recognition, accruals, reconciliations, and preparation of financial statements.
• Monitor performance of the business unit(s) against targets, providing detailed variance analyses and insights to drive informed business decisions.
• Develop and maintain key financial and operational metrics, including ARR, churn, deferred revenue, and EBITDA
• Partner with business leaders and the CFO to embed a cost-conscious culture focused on accountability, transparency, and value-driven decision-making.
• Strengthen internal controls, streamline accounting workflows, and ensure financial integrity across systems and processes.
• Collaborate with centralized finance teams (payroll, tax, treasury, AP/AR) to support efficient end-to-end operations.
• Contribute to M&A integration efforts, including purchase accounting, opening balance sheets, and system transitions.
• Manage audits, statutory filings, and compliance with local and international financial regulations.
• Prioritize mentorship, team building, and coaching to local finance and accounting personnel

• Bachelor's degree in Accounting, Finance, or related field (CPA or equivalent professional designation preferred).
• 10+ years of progressive experience in accounting or financial management, with at least 3 years in the software industry or a complex, multi-entity corporate environment.
• Strong understanding of SaaS financial metrics and revenue recognition principles.
• Proven experience with financial reporting, consolidation, budgeting, and analysis.
• Proficiency in accounting systems such as Sage Intacct or Net Suite, and strong Excel and financial modeling skills.
• Excellent analytical, communication, and organizational skills.
• Ability to thrive in a fast-paced,…