Christoph Diener-Auditing & Advisory (last 16 months)
Check rate
Experience
Lecturer & Technical Author
AUDfIT Deutschland GmbH
- Training auditors with a focus on the German Commercial Code (HGB) and financial statement audits (JAP)
- Professional training on auditing and preparing financial statements
- Author of technical content and articles on sustainability reporting (CSRD, ESRS, VSME)
- Linking traditional audits with current ESG topics
Adjunct Lecturer in IFRS and HGB Accounting
iba | University of Cooperative Education
- Teaching in accounting, sustainability reporting & auditing
- Practical teaching of complex topics with a focus on HGB, IFRS, CSRD and ESRS
- Development of modern, well-structured teaching materials
- Integration of current case studies from my own consulting practice
- Preparing students for professional practice
Founder | Auditor | Interim Manager | Sustainability Manager | Group Accounting & IFRS
NACHHALTIGKEITSPIONIERE Wirtschaftsprüfer
- Auditing and preparing annual and consolidated financial statements (HGB & IFRS)
- Interim management in finance and sustainability for mid-sized companies
- Sustainability audits & reporting according to ESRS, VSME, GRI, DNK
- Strategic consulting for sustainable corporate alignment & transformation
- Interface between financial reporting & sustainability
- Supporting companies in implementing the CSRD
Auditor | German CPA | Authorized Signatory | Management Consultant
KONLUS GmbH Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft
- Auditing mid-sized corporations
- Consulting for mid-sized companies
- Business valuation
- Reviewing and preparing management reports & non-financial statements
- Team leadership
- Responsibility for the auditing area
- Fee negotiations
- Tendering processes
Senior Auditor
PwC
- Annual financial statement audits
- Business consulting
- PIE companies
- Telecommunications
- Logistics
- DAX 30
- IFRS
- HGB
- US GAAP
- Waste management
- Financial reporting
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Professional Services and Education.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Accounting, Audit, Finance, and Sustainability Management.
Skills
- Schulung
- Bilanzen
Languages
Statistics
Experience
Global experience
Expertise
Profile
Frequently asked questions
Have questions? Find more information here.
Christoph is based in Cologne, Germany and can operate in on-site, hybrid, and remote work models.
Christoph speaks the following languages: German (Advanced).
Christoph has at least 15 years of experience. During this time, Christoph has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 3 years and 11 months. Note that Christoph may not have shared all experience and actually has more experience.
Based on recent experience, Christoph would be well-suited for roles such as: Lecturer & Technical Author, Adjunct Lecturer in IFRS and HGB Accounting, Founder | Auditor | Interim Manager | Sustainability Manager | Group Accounting & IFRS.
Christoph's most recent position is Lecturer & Technical Author at AUDfIT Deutschland GmbH.
In recent years, Christoph has worked for AUDfIT Deutschland GmbH, iba | University of Cooperative Education, NACHHALTIGKEITSPIONIERE Wirtschaftsprüfer, and KONLUS GmbH Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft.
Christoph is most experienced in industries like Professional Services and Education.
Christoph is most experienced in business areas like Accounting, Audit, and Finance. Christoph also has some experience in Sustainability Management.
Christoph has recently worked in industries like Professional Services and Education.
Christoph has recently worked in business areas like Accounting, Audit, and Finance.
The availability of Christoph needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 26 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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