Senior Controller - Holding & Group Controlling (m/f/d)

Drive financial clarity, cost control, and performance transparency across a mission-driven investment group.

As Senior Controller , you will play a key role in strengthening and scaling Viessmann Generations Group's financial reporting, controlling, and performance management across the portfolio. You will work hands‑on while contributing to group-wide standards, transparency, and value creation initiatives.

Viessmann Generations Group Overview

As a globally active, independent family business in its fourth generation, we have been shaping living spaces for generations to come since 1917. Under the leadership of Max Viessmann, we pursue our mission with a long‑term perspective and entrepreneurial spirit. Today, the Viessmann Generations Group supports over 30 mid‑sized companies and family businesses across Europe and the US – all united by their active contribution to the energy transition. We invest capital, expertise, and passion in three core impact areas:

• Climate : Renewable energy, carbon reduction, and green infrastructure
• Water : Solutions for water scarcity, quality, and efficiency
• Food : Sustainable agriculture, supply chain innovation, and food technology

Our goal: to create impact – ecological, societal, and entrepreneurial.

The Viessmann Way supports how we work, lead, and create value together – whether as a team member, entrepreneur or partner in our ecosystem. It is not a rulebook, but a compass: a living set of principles shaped by over a century of entrepreneurship and guided by our long‑term purpose.

The Opportunity

As Senior Controller, you will play a key role in strengthening and scaling Viessmann Generations Group's financial reporting, controlling, and performance management across the portfolio. You will work hands‑on while contributing to group‑wide standards, transparency, and value creation initiatives.

Construction & Transformation

• Support the design and continuous improvement of a scalable, growth‑oriented financial reporting and controlling framework across portfolio companies.
• Contribute to the rollout and adoption of modern BI and planning tools, helping to automate data flows and reduce Excel‑driven manual work.
• Support the definition, harmonization, and maintenance of group‑wide KPIs to ensure data consistency and “apples‑to‑apples” comparability across the portfolio.
• Actively support finance integration activities for new acquisitions, including reporting set‑up, KPI alignment, and compliance with group standards during the first months post‑acquisition.

Strategy & Portfolio Performance

• Monitor the financial performance of portfolio companies against budgets, forecasts, and value creation initiatives.
• Prepare and analyze margin development, cash flow, and capital efficiency to identify performance drivers and improvement potential.
• Support portfolio valuation processes and provide financial analyses as input for management and investment decision‑making.

Stakeholder Management & Sparring

• Act as a strong sparring partner for portfolio company finance teams, supporting them in professionalizing reporting and controlling processes.
• Prepare high‑quality financial analyses and presentations for internal stakeholders, including Group Controlling and senior management.
• Contribute to investor and management reporting with reliable data and clear financial narratives.

Your Profile

• 7‑10+ years of experience in controlling within a group, holding, or multi‑entity structure
• Business fluency in German and English
• Degree in Finance, Accounting, Controlling, or Business Administration; CIMA, CPA, ACCA is a plus
• Strong track record in cost control, budgeting, and performance reporting in complex environments
• Advanced skills in ERP systems (especially SAP S/4HANA); Power BI or similar reporting tools are a plus
• Proficient in applying accounting standards
• High integrity, ownership mindset, and a collaborative approach to cross‑functional teamwork