Olaf Martens

Interim Manager Head of Finance

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Hamburg, Germany

Experience

Jun 2025 - Present
7 months
Hybrid

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 months

Interim 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 months

Interim 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 month

Head 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 months

Interim 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 month

Interim 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 months

Interim 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 months

Interim Manager Finance

Fabulously Old Things

  • Complete store accounting
  • Use of Excel
  • 95% English
Feb 2021 - Aug 2021
7 months
Remote

Interim Accounts Payable Manager

ENERCON GmbH

  • Accounts payable
  • Use of SAP via Citrix
  • Fully remote
Oct 2020 - Feb 2021
5 months
Remote

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 months

Self-employed

OlafMartens FiCo-Services

Mar 2020 - Jul 2020
5 months

Project

Family-Focused Time

  • Revision of the 5-year plan
Jan 2012 - Nov 2019
7 years 11 months
Virum, 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 months
Hamburg, 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 months
Hamburg, Germany

Group Head of Controlling

Berendsohn AG

Jan 2000 - Jul 2001
1 year 7 months
Hamburg, Germany

Controller

Solution42 AG / Portal Software GmbH

Sep 1997 - Jan 2000
2 years 5 months
Hamburg, 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 months
Hamburg, Germany

Accounts Receivable and Financial Accountant

Walter Bau-AG

Sep 1991 - Jan 1993
1 year 5 months
Hamburg, Germany

Commercial Manager, BS Construction Equipment Service Branch

Walter Bau-AG

May 1991 - Sep 1991
5 months
Hamburg, Germany

Accounts Payable Accountant

Walter Bau-AG

Jun 1989 - Jan 1990
8 months
Hamburg, 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
Native
English
Advanced

Education

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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