We make procurement digital – from SAP S/4HANA to AI.
aternum closes the gap between business requirements and IT solutions in procurement. We combine hands-on purchasing experience with deep technical know-how.
Founded to make a difference.
aternum was founded in 2023 to offer specialised procurement consulting. Our expertise lies in procurement solutions, with a focus on SAP S/4HANA and leading SRM tools – so we build strategies that fit our clients' real challenges.
What sets us apart: we understand your needs quickly, make reliable assumptions and mobilise the right people. We use proven methods – and know that every client is different.

Dr. Ferhat Eryurt
Founder and Managing Director, aternum GmbH
Dr. Ferhat Eryurt founded aternum in 2023. He advises companies where procurement meets IT – from procurement strategy, processes and organisation to SAP S/4HANA, SAP Ariba and SRM solutions.
His projects range from strategy assessments for mid-sized companies to global rollouts in more than 25 countries – in industries from energy and chemicals to plant engineering and high tech.
What we do for you
Consulting services
Choosing the right tools and building a scalable IT architecture is essential to any digital transformation. We help you select and implement the solutions that fit your business requirements.
Digital services
We bring processes, systems and data together: from integrating your procurement platforms and cleaning master and supplier data to analytics that put purchasing decisions on solid ground.
Software and AI development
We design, build and optimise digital tools for procurement – with a focus on tailored AI applications for automation, predictive insight and better decisions.
aternum in Handelsblatt and WirtschaftsWoche
Selected projects
- Mid-sized energy company
Strategy assessment as the starting point for digital transformation
Assessment of organisation, processes and systems – with automated C-parts purchasing and an S/4HANA roadmap.
6 months - Global EPC group
Rollout of SAP S/4HANA and SAP Ariba in more than 25 countries
Process and system rollout for procurement across countries, entities and time zones.
25+ countries - French chemicals group
Strategic sourcing of raw materials in Southeast Asia
Sourcing strategy for strategic raw materials – including negotiation preparation, pricing strategies and simulations.
Southeast Asia - Technology company in Germany
Implementing SRM software for supplier management
Selecting and implementing an SRM solution that brings supplier data and processes into one place.
Germany
Latest insights
See all insightsAI in procurement: from pilot to value.
We build an AI strategy with you that rests on your data and systems – with concrete use cases from demand forecasting to invoice matching.
Spend classification
Transparent spend in weeks, not months.
Contract analysis
Deadlines, clauses and risks tracked automatically.
Invoice matching
Resolve exceptions faster, capture discounts.
Experience across industries
Chemicals, pharmaceuticals, energy, oil and gas, manufacturing, construction, high tech and fast-moving consumer goods – in greenfield and brownfield projects.
We bring a holistic view that spans management, processes, systems and data.
What you can rely on
Reliability
We give every project the dedication and attention it deserves.
Flexibility
Proven methods, adapted to your starting point and goals.
Trust
Digital transformation is a big step. We stay with you the whole way.
Ready to transform your procurement?
In a first call we look at your starting point, your goals and sensible next steps – concrete and without obligation.
