Olaf Martens - Interim Manager Head of Finance

Q: Where is Olaf based?

Olaf is based in Hamburg, Germany .

Q: What languages does Olaf speak?

Olaf speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Olaf have?

Olaf has at least 35 years of experience. During this time, Olaf has worked in at least 16 different roles and for 16 different companies . The average length of individual experience is 2 years and 8 months . Note that Olaf may not have shared all experience and actually has more experience.

Q: What is Olaf's latest experience?

Olaf's most recent position is Interim Manager Head of Finance at Euromobil GmbH .

Q: What companies has Olaf worked for in recent years?

In recent years, Olaf has worked for Euromobil GmbH , TimberTec GmbH , Iptor Germany GmbH , Indivumed Services GmbH , and Indivumed GmbH .

Q: Which industries is Olaf most experienced in?

Olaf is most experienced in industries like Tourism and Hospitality , Real Estate , and Construction . Olaf also has some experience in Professional Services , Automotive , and Information Technology (IT) .

Q: Which business areas is Olaf most experienced in?

Olaf is most experienced in business areas like Accounting , Finance , and Audit . Olaf also has some experience in Human Resources (HR) , Operations , and Procurement and Purchasing .

Q: Which industries has Olaf worked in recently?

Olaf has recently worked in industries like Professional Services , Retail , and Sport and Recreation .

Q: Which business areas has Olaf worked in recently?

Olaf has recently worked in business areas like Finance and Accounting .

Recommended expert

Hamburg, Germany

Experience

Jun 2025 - Present

9 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 7 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

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Tourism (17.5 years), Real Estate (8 years), Construction (7 years), Professional Services (5.5 years), Automotive (2.5 years), and Information Technology (2 years).

Tourism

Real Estate

Construction

Professional Services

Automotive

Information Technology

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Accounting (32.5 years), Finance (31.5 years), Audit (9.5 years), Human Resources (8 years), Operations (1.5 years), and Strategy (0.5 years).

Accounting

Finance

Audit

Human Resources

Operations

Strategy

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

Profile

Created

August 2025

Last Update

September 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Olaf based?

Olaf is based in Hamburg, Germany.

What languages does Olaf speak?

Olaf speaks the following languages: German (Native), English (Advanced).

How many years of experience does Olaf have?

Olaf has at least 35 years of experience. During this time, Olaf has worked in at least 16 different roles and for 16 different companies. The average length of individual experience is 2 years and 8 months. Note that Olaf may not have shared all experience and actually has more experience.

What roles would Olaf be best suited for?

Based on recent experience, Olaf would be well-suited for roles such as: Interim Manager Head of Finance, Interim Manager Finance Controlling, Head of Finance Department.

What is Olaf's latest experience?

Olaf's most recent position is Interim Manager Head of Finance at Euromobil GmbH.

What companies has Olaf worked for in recent years?

In recent years, Olaf has worked for Euromobil GmbH, TimberTec GmbH, Iptor Germany GmbH, Indivumed Services GmbH, and Indivumed GmbH.

Which industries is Olaf most experienced in?

Olaf is most experienced in industries like Tourism and Hospitality, Real Estate, and Construction. Olaf also has some experience in Professional Services, Automotive, and Information Technology (IT).

Which business areas is Olaf most experienced in?

Olaf is most experienced in business areas like Accounting, Finance, and Audit. Olaf also has some experience in Human Resources (HR), Operations, and Procurement and Purchasing.

Which industries has Olaf worked in recently?

Olaf has recently worked in industries like Professional Services, Retail, and Sport and Recreation.

Which business areas has Olaf worked in recently?

Olaf has recently worked in business areas like Finance and Accounting.

What is Olaf's education?

Olaf attended AKAD Bildungsgesellschaft for Business Administration, Personnel and Organizational Management.

Does Olaf have any certificates?

Olaf has 11 certificates. Among them, these include: Comparison HGB vs. IFRS, IHK Training on US withholding tax, and VAT Update.

What is the availability of Olaf?

Olaf will be available from March 2026.

What is the rate of Olaf?

Olaf's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.