Digital Check-Up
We analyze where your company stands today, which processes can be digitized to increase profitability, and what a practical, customized approach would look like for you.
We build your digital infrastructure. And take your team along from day one.
We build your digital infrastructure. And we take your team along from day one.
Arithmo digitizes businesses through the interplay of systems, processes, and people.
Structure for Success. Space for People.
Arithmo does not digitize companies in isolation through software, but through the interplay of system, process, and people. With Odoo, we create a central digital structure, and with change management, we ensure that new ways of working are accepted, understood, and effectively implemented.
+ less administrative effort
+ centralized data and overview
+ less duplicate work
+ more acceptance of changes
+ better collaboration
+ faster onboarding
What makes arithmo different?
Odoo plus Changemanagement
We support not only the system implementation, but also the change within your organization—so that processes, roles, and ways of working truly work in practice.
Operational expertise
We combine process expertise with accounting know-how—so Odoo is set up cleanly, practically, and reliably from day one.
Implementation, not PowerPoint.
Arithmo thinks strategically but works pragmatically. The focus is on practical, cost-efficient solutions with real day-to-day value.
Long-term partnership
We continue to support you after go-live too—with training, support, maintenance, ongoing development, and (if desired) operational assistance.
In addition, we have a network of curated partners who complement us with their expertise in specialized matters, such as fiduciary and legal issues.
Faces behind arithmo
aarithmo is a brand of OQVA Management GmbH. OQVA’s vision is to democratize entrepreneurship and make it sustainable. Their thesis: every company has what it takes to become 100 years old and beyond—provided it is built and managed properly, of course. arithmo is another tool to help fulfill this vision by supporting SMEs and family-owned businesses in dealing with constant change and growing challenges, and in remaining future-proof.
Ken Zimmermann
- Expert in digitalization, transformation & project management
- Dipl. Technician HF Electrical Engineering
- Further training in leadership, lean management
- Practical experience in engineering, automation, process optimization, digital and technical solution development
- Several years of experience in process, quality, and resource management
Pascal Wigert
BSc Business Economics, specialization in Leadership and Sustainability
Sales
Kristin Kreibich
- Expert in new business, change management & coaching
- MSc Business Administration, focus on New Business & Leading Change
- BSc Media Engineering
- Certified Systemic Coach CP
- Several years of experience in IT service, communication, and supporting change processes
Frequently asked questions
arithmo is a brand of OQVA Management GmbH. OQVA has the vision to democratize and make entrepreneurship sustainable.
Their thesis: Every company has what it takes to be 100 years or older – if built and managed correctly, of course.
arithmo is another tool to fulfill this vision by helping SMEs and family businesses cope with constant changes and growing challenges and remain future-proof.
«Arithmo» derived from the Arithmometer, a historical, highly complex mechanical calculating machine – the ancestor of the computer. The name stands for precision, structure, and the ability to transform complexity into clear, understandable processes – exactly what a service provider for ERP integrations does. With Odoo as a modular platform, we connect data, processes, and people into a consistent system that calculates, controls, and scales. «Arithmo» emphasizes not only technical accuracy but also the human factor: Through consistent change management, we make numbers, roles, and responsibilities compatible, create acceptance, and anchor new ways of working sustainably. Thus, calculating art becomes operational effectiveness – measurable, secure, and future-proof.
Source of the image: "Arithmomètre built by Louis Payen around 1887" Wikipedia - https://en.wikipedia.org/wiki/Arithmometer
Implementing an ERP means not just launching new software. It means that people must work differently, processes must be rethought, and data must be structured cleanly. That is exactly why many ERP projects fail not due to technology, but due to a lack of clarity, insufficient involvement, and unrealistic expectations.
From our experience at OQVA, acceptance and satisfaction within the company are significantly higher when an ERP implementation is accompanied by a structured change process. We look not only at the system but at the entire company: goals, processes, responsibilities, and the people who will ultimately work with it.
This is how we ensure that your ERP not only goes live but also truly works in everyday life and creates a tangible added value.
Arithmo and OQVA Management GmbH have been supporting various industries since 2023, including craftsmen, industry, creatives, associations, and many more.
For us, it’s not just about the industry, but especially about how your company operates. Our goal is not just to sell a system, but to create a solution that truly simplifies your daily tasks in accounting, processes, and administration.
Yes. Together with Tomamichel Treuhand and the Peratuso GmbH, we offer you professional support for your accounting, from guidance to complete takeover. Your advantage: accounting and ERP work seamlessly together from the start, and you still receive everything centrally from one source through arithmo.
Yes. arithmo works where the greatest value is created, which also means being on-site to support you.
Nothing. Click the button, briefly explain your situation to us, and book a demo in our calendar – at a time that suits you best.
Do you recognize yourself? - Typical challenges from practice
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