©Lars Zahner – stock.adobe.com
Case study
Interim Head of Finance & Accounting
250818-01
At a PE-backed European IT service provider
A PE-backed, fast-growing IT service provider in German-speaking Europe is professionalizing its finance organization: An Interim Head of Finance is bringing stability to day-to-day business, supporting the rollout of a cloud ERP system, and creating scalable structures for further growth.
Company
A European IT services company specialized in custom software development, cloud solutions, data/AI, and digital transformation.
The company was created through the merger of several technology units and pursues an ambitious buy-and-build and growth strategy.
The organization has an international reach, with several locations in Germany, Austria, and Switzerland, and over 1,000 employees. Growth has recently been supported by a renowned private equity investor.
.
- Business sector: IT services/digital transformation
- Business model: Project & service business
- Region: Germany, Austria, Switzerland/Europe
- Ownership: Private equity-backed
- Situation: Fast-growing, increasingly international service company
Challenge
As the organization continued to scale up and become more professional, the company faced several parallel challenges in its finance department:
.
- Increasing complexity of financial and accounting structures due to growth and internationalization
- Increased demands from management and investors for transparency, manageability and reporting
- Simultaneous introduction of an integrated cloud ERP system (finance and accounting)
- The local finance team had some temporary gaps in capacity and experience
The Managing Director of the Austrian unit needed an experienced Interim Head of Finance & Accounting with short notice to act as a consulting partner, ensuring stability in day-to-day business while driving forward strategic initiatives.
Objectives
The goal of the interim mandate was to stabilize the finance department’s operations, continue its strategic development, and ensure the smooth implementation of the new finance system — in line with the expectations of management and investors.
.
Central objectives:
.
- Providing a stable, efficient, and scalable finance structure
- Effective technical support for the implementation of a cloud-based finance and accounting system
- Strengthening financial expertise in the local management structure
Implementation
The interim manager appointed by Atreus took on a central management and consulting role in the finance department at short notice.
.
Consulting and governance
.
- Close cooperation with the Managing Director of the national subsidiary
- Consulting with the Global Head of Finance on strategic and operational financial matters
- Support with decision-making, prioritization, and governance issues
.
System and transformation support
.
- Technical support during the rollout of a cloud-based finance and accounting system
- Providing a clear map of finance and accounting processes in the new system
- Coordination between finance, IT, external implementation partners, and management
.
Operational leadership and support
.
- Temporary specialist leadership of the local finance team
- Coaching employees in new processes, roles, and system logic
- Ensuring operational performance during the transformation phase
Accomplishments
Short-term results:
.
- Stabilization of the finance team despite ongoing transformation
- Relieving the burden on management through reliable coaching and decision-making support
- Clear structuring of financial issues for investors
.
Medium-term effects:
.
- Successful integration of finance and accounting processes into the new cloud system
- Increased transparency and process reliability in the finance department
- Stonger and more skilled finance teams at the local level
.
Long-term added value:
.
- Scalable finance structures to fuel further growth
- Improved control and reporting capabilities for management and investors
- Sustainable professionalization of financial functioning in an international setup
These articles might also interest you:
Case Study
Turnaround of an ERP standard software implementation in aftersales
A leading intralogistics provider faced an overrun ERP project in aftersales with a threatened go-live. Through complete re-planning, clear roles, robust project management and replacement of the integrator, the programme was stabilised, IT assumed ownership and licence spend was reduced.
Case Study
Strengthening corporate treasury in a medtech firm
An international medtech manufacturer in the optics segment faced a small, overstretched treasury team, parallel projects and cultural change. With external treasury expertise, a structured gap analysis, factoring rollout and TMS project leadership, the corporate treasury was professionalized and its strategic impact clearly increased.
Case Study
Interim operations turnaround at Romanian plant
An automotive supplier faced severe pressure from delivery delays, recurring quality issues and an overstretched workforce in his Romanian plant. An Interim Director Operations stabilized processes, cut stock variances significantly and returned the plant to sustainable profitability.





