Sound grounding in tax-related practice
Professional training and practical experience working with tax advisers, auditors and businesses.
For businesses and people with responsibility
Commercial expertise.
Sound business judgement.
A personal sounding board.
Planen & Steuern combines effective commercial and digital processes with management consulting and personal professional sparring — in Berlin and digitally across Germany.
How we work
See the whole picture.
Make the next step concrete.
Figures, workflows and decisions belong together. We therefore look beyond isolated tasks to understand the situation in which they arise.
We listen, bring structure to the relevant issues and develop a way forward that is professionally sound and workable in practice — personal, direct and with clear responsibilities.
Analyse clearly.Consider figures, processes and decisions together.
Work personally.Direct communication and clear responsibilities.
Implement reliably.Practical steps and the right expertise at the right time.
Three areas of expertise
Different questions.
One clear perspective.
Depending on your situation, we work on commercial processes, business decisions or professional development. The aim is always to make connections understandable and next steps concrete.
All services in detail010203
Commercial Processes, Accounting & Digital Workflows
We connect digital document flows, DATEV, clear responsibilities, accounting and controlling in processes that work in day-to-day business. Bookkeeping is one part of a reliable commercial system, not an isolated end in itself.
- DATEV Unternehmen online
- Digital documents & approvals
- Accounting & controlling
Management Consulting & Business Development
We bring structure to figures, options and responsibilities, provide a sound basis for decisions and support businesses with financing, organisation and change.
- Business management
- Financing & planning
- Organisation & process improvement
Sparring & Professional Development
In confidential one-to-one conversations, we create clarity around professional decisions, changing roles and next steps — for entrepreneurs, managing directors, executives and employees.
- Decision-making
- Career & change
- Personal sparring
Responsibility & experience
Practice, not theory.
Personal responsibility.
As the responsible point of contact, Oliver Rentmeister stands for advice that combines sound professional grounding, hands-on experience and direct collaboration.
Management consultant · Planen & Steuern
Personal LinkedIn profileIndependent since 2008
Many years of consulting experience with a clear view of commercial relationships, decisions and implementation.
Responsibilities, not a staff directory
Defined roles, clear responsibilities and reliable cover keep communication direct and work moving.
Personal and team-based
The team has worked at the Breitenbachplatz office since 2013. You know who is responsible for your work, while Oliver Rentmeister remains visible and available as the responsible contact.
An established network
One point of contact.
Additional expertise when needed.
Over many years and across generations, Planen & Steuern has developed a multidisciplinary network of tax advisers, auditors, IT specialists and other suitable professionals.
If a matter requires additional expertise, we involve the right specialists and coordinate the interfaces. For you, communication remains clear and personal.
- 01 Additional expertise only where it adds value
- 02 Coordinated responsibilities and handovers
- 03 One central personal contact