Olaf Martens
Interim Manager Head of Finance
Experience
Jun 2025 - Present
7 monthsHybrid
Interim Manager Head of Finance
Euromobil GmbH
- Covered the Head of Finance role until it was refilled
- Used SAP R/3
- Hybrid working model
- 10% English
Jan 2025 - Mar 2025
3 monthsInterim Manager Finance Controlling
TimberTec GmbH
- Implemented cost center budgets
- Changed the ERP system to GUS-OS
- Implemented treasury
- Prepared annual financial statements under HGB
- Led and stabilized a team (6 staff)
- Used GUS-OS and LucaNet
- Hybrid working model
- 40% English
May 2024 - Dec 2024
8 monthsInterim Manager Finance Controlling
Iptor Germany GmbH
- Implemented budgets and forecasts
- Transfer pricing project for group integration
- Introduced IFRS via a shared service center after acquisition
- Legal entity reduction project
- Reduced receivables by 78%
- Led and stabilized a team (6 staff)
- Used Diamant and DC1
- Hybrid working model
- 60% English
Apr 2024 - Apr 2024
1 monthHead of Finance Department
Indivumed Services GmbH
- Integrated into the group structure
- Prepared annual financial statements under HGB and IFRS, including liaison with auditors
- Treasury management
- Set up budgets and planning
- Supported customizing of the SAP client setup
- Led a team (2 staff)
- Used SAP
- Primarily on site
- 90% English
Feb 2023 - Mar 2024
1 year 2 monthsInterim Manager Finance
Indivumed GmbH
- Carve-out and ERP change due to a company sale
- Project work on the complete setup of accounting in Germany
- Managed full accounting and financial planning
- Prepared annual financial statements under HGB and IFRS
- Consolidation for Italy, Spain and Japan
- Used SAP
- Primarily on site
Jan 2022 - Jan 2023
1 year 1 monthInterim Manager Finance
METRO-Markets GmbH
- General ledger accounting
- Implementation and expansion of monthly financial statements according to HGB and IFRS
- Training new employees
- Use of SAP
- Remote
- 95% English
Mar 2021 - Jan 2022
11 monthsInterim Manager Finance
SPORTFIVE Germany GmbH
- Projects in accounts receivable and accounts payable
- Account reconciliation
- Consolidation of various acquired companies
- Preparation of annual financial statements according to HGB
- Use of SAP and LucaNet
- Remote
Feb 2021 - Sep 2021
8 monthsInterim Manager Finance
Fabulously Old Things
- Complete store accounting
- Use of Excel
- 95% English
Feb 2021 - Aug 2021
7 monthsRemote
Interim Accounts Payable Manager
ENERCON GmbH
- Accounts payable
- Use of SAP via Citrix
- Fully remote
Oct 2020 - Feb 2021
5 monthsRemote
Interim Manager Finance
SPORTFIVE Germany GmbH
- Intercompany account reconciliation and clearing
- Use of SAP and LucaNet
- On-site and remote
Aug 2020 - Present
5 years 5 monthsSelf-employed
OlafMartens FiCo-Services
Mar 2020 - Jul 2020
5 monthsProject
Family-Focused Time
- Revision of the 5-year plan
Jan 2012 - Nov 2019
7 years 11 monthsVirum, Denmark
Manager Financial Planning & Analysis (FP&A) and Head of Product Central Europe, Hamburg
NOVASOL A/S
- Preparation of budgets and forecasts
- Contract drafting for projects
- HR administration, payroll, and recruitment
- Support for operational audits
- Recruiting holiday property owners by leading local specialist teams (seven countries)
- Administrative management tasks
- Carrying out company acquisitions, integrations, formations, restructurings, and liquidations
Results:
- Development and implementation of a results-oriented, product-specific monitoring and evaluation tool
- Redesign of project contracts with a focus on VAT aspects
- Digitalization of HR administration
- Expansion of procurement project focus, tripling revenue
Apr 2002 - Dec 2011
9 years 9 monthsHamburg, Germany
Head of Accounting
NOVASOL A/S
- Management of all accounting tasks across all German entities
- Preparation of annual financial statements according to HGB and IFRS
- Support for operational and tax audits
- Planning and controlling incl. budget creation, forecasting, and liquidity planning
- Implementation of restructuring measures regarding VAT
- HR administration, payroll, and recruitment as well as support for audits
Results:
- Realization of monthly account reconciliations
- Responsibility for implementing compliance guidelines (SOX)
- Introduction of a forecasting system to ensure regular cost control for all departments in Germany
Jul 2001 - Jan 2002
7 monthsHamburg, Germany
Group Head of Controlling
Berendsohn AG
Jan 2000 - Jul 2001
1 year 7 monthsHamburg, Germany
Controller
Solution42 AG / Portal Software GmbH
Sep 1997 - Jan 2000
2 years 5 monthsHamburg, Germany
Accounting Team Leader
Car Professional Management GmbH
- Full takeover of accounting from Munich to Hamburg
- Integration into the new owner's ERP system
- Functional and disciplinary leadership of two employees
Jan 1993 - Sep 1997
4 years 9 monthsHamburg, Germany
Accounts Receivable and Financial Accountant
Walter Bau-AG
Sep 1991 - Jan 1993
1 year 5 monthsHamburg, Germany
Commercial Manager, BS Construction Equipment Service Branch
Walter Bau-AG
May 1991 - Sep 1991
5 monthsHamburg, Germany
Accounts Payable Accountant
Walter Bau-AG
Jun 1989 - Jan 1990
8 monthsHamburg, Germany
Construction Business Administrator for Joint Ventures
Walter Bau-AG
Summary
As an interim manager for Finance and Controlling with decades of professional and leadership experience, I take on leadership roles and projects or work hands-on. I bring structure and clarity to all finance areas – reliably and pragmatically to noticeably relieve my clients.
Whether it’s a short-term vacancy, a complex system transition or challenging projects, I ensure in a team-oriented and needs-based way that FINANCE, as the backbone of your company, delivers reliable numbers and supports sound decisions.
Skills
Areas Of Expertise
- Accounting
- Controlling
- Projects
- Personnel Management
- Fp&a
- Product Development
- Commercial Management
- Securing Funding
- M&a
- Operational And Tax Audits
- Liquidity Management, Treasury And Cash Planning
- Budget Control & Forecast Preparation
Additional Qualifications / It Skills
- As400
- Bankline On Autobahn
- Citrix
- Dc1
- Gus-os
- Lucanet
- Microsoft Office: Word, Excel And Outlook
- Multicash
- Powerpoint
- Sage Classic Line
- Sap Fi/co
- Sfirm
- Tagetik
- Communication Via Skype
- Communication Via Ms Teams
- Communication Via Zoom
- Communication Via Gotomeeting
- Communication Via Slack
- Communication Via Webex
Languages
German
NativeEnglish
AdvancedEducation
Oct 1991 - Nov 1996
AKAD Bildungsgesellschaft
Diploma in Business Administration (FH) · Business Administration, Personnel and Organizational Management · Stuttgart, Germany
Aug 1986 - Jun 1989
Walter Bau-AG
Industrial Clerk (IHK) · Hamburg, Germany
Höhere Handelsschule
Subject-specific higher education entrance qualification · Hamburg, Germany
Certifications & licenses
Comparison HGB vs. IFRS
KPMG
IHK Training on US withholding tax
VAT Update
nesemann & grambeck
Group booking technique
LucaNet Academy
Incident Response Retainer
GDATA
International Accounting
MANAGER INSTITUT
SAP User Certification for Financial Accounting
PA11 training in payroll accounting
sage
The minimum wage in practice
Deloitte.
Sage Classic Line
sage KHK
Internal Auditor ISO Certification
BaaN
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