From SAP Ariba to the German Supply Chain Act: everything you need to know about our purchasing

As an international group of companies, we always focus on expertise, quality standards and customer orientation when expanding our network. This is how we meet the high demands of the market and support our customers as an expert partner. Demands that we also place on our suppliers.

Do you place the same requirements on your company and want to work with HYDAC? Find out more about all the topics relating to our purchasing: from the digitalised process to our supplier portal SAP Ariba and the German Supply Chain Act.

How the onboarding process works with the SAP Ariba supplier portalWhy HYDAC relies on a digital process

The digitalisation of business processes is one of the central components of our HYDAC strategy for the future.

In our search for the best and most successful suppliers, we use the standardised Ariba supplier portal. This ensures optimum integration into procurement processes.

The benefits of the digitalised process with SAP Ariba Our goal: A unique onboarding programme for our entire company

Icon of a handshake to represent good cooperation

Standardised and automated processes
accelerate the exchange of information and increase efficiency.

Icon of a gear wheel with a magnifying glass to represent transparent status tracking

Transparent status tracking 
strengthens communication and improves the joint business relationship and cooperation.

Gear wheel with circuit to represent efficient processes and a digital way of working

An efficient, digital and environmentally-friendly way of working 
equips us for global challenges.

Become a partner in just 4 steps: our supplier onboardingSimply register online and become a partner

  1. Contact HYDAC: as a potential supplier, simply start by contacting our purchasing department, click here.
  2. Registration: you will receive an invitation link from us to our supplier platform. Please enter your company, tax and financial data here.
  3. Qualification: after successful registration, we will also send you specific questionnaires about your company/product/service. Please fill these out.
  4. Full business partner: after a positive assessment of your details by our purchasing team, you are a full HYDAC business partner – the authorisation process was successful!

Do you have further questions about our supplier portal? Find all the information you need in our FAQ

How do I register on the SAP Ariba supplier portal?

After you have contacted HYDAC, we will send you an invitation e-mail containing a link. This will take you to a form. General information about your company must be entered there. Registration is free of charge. After successful registration, you will be forwarded to a product-specific questionnaire for further answers.

Can details be changed or added after the questionnaire has been submitted?

If your registration is still pending approval, details can be revised again. After logging in again, you can make the desired changes.

I already have an SAP Ariba account. Do I have to register again?

After clicking on the HYDAC invitation link, you have the option of logging into an existing account. Alternatively, you can create a new account.

Do I have to use SAP Ariba to be a HYDAC supplier?

Yes. The use of the SAP Ariba supplier portal is an integral part of our digitalisation strategy and future strategy.

Are there any costs for me when using SAP Ariba?

No. SAP Ariba distinguishes between a standard account and an enterprise account. The free standard account is completely sufficient for our onboarding. The use of the portal is currently free of charge for you when working with HYDAC.

I still have questions about your SAP Ariba supplier portal. Who can I contact with my enquiry?

If you have any further questions, please contact us at or via our contact form.

Sustainability in purchasing: ensuring compliance with the German Supply Chain Act - (LkSG)

The German Bundestag laid the foundation for responsible and sustainable value creation in supply chains with the adoption of the Supply Chain Act (Lieferkettensorgfaltsgesetz or LkSG) in July 2021.

HYDAC rises to the challenges of complying with all corporate due diligence obligations to prevent human rights violations in supply chains. Every day, our purchasing department ensures that we fulfil the human rights and environmental obligations set out in the German Supply Chain Act (LkSG) appropriately and effectively.

  • The goal: to safeguard human rights and contribute to environmental protection. We analyse risks in the supply chain at an early stage in order to introduce suitable measures.
  • Support from Integrity Next: our partner Integrity Next supports us in fulfilling the legal requirements via a holistic risk management process.

Further information on our Business Code and our Declaration of Principles with regard to the environment and human rights can be found in our Downloads.


Do you have further questions about ensuring compliance with the German Supply Chain Act? We have compiled all the answers for you

Why am I being invited to the German Supply Chain Act (LkSG) assessment and what do I have to do?

As part of the German Supply Chain Act (LkSG), we carry out an annual risk analysis of our suppliers. If we identify any anomalies here, the suppliers concerned are invited to an assessment by e-mail to complete the relevant questionnaires and provide documents.

What happens if I fail the assessment?

The aim of the German Supply Chain Act (LkSG) assessment is not to exclude suppliers. We want to work with you to create solutions to protect people and the environment and avert risks.

How do I get access to store my data and how is it processed?

You will be invited to the assessment by HYDAC via e-mail. The data is entered using standardised questionnaires which are filled out on an online platform. Your data will be treated confidentially and will not be passed on to third parties.

Is it mandatory for me to provide information regarding the German Supply Chain Act (LkSG)?

The German Supply Chain Act (LkSG) sets out key criteria for the appropriate organisation of the duty of care: the appropriateness is determined by the type and scope of the business activity, the ability to influence the supplier and the severity of the expected violation of the company. An obligation therefore depends on the individual company situation and risk situation.

Do you have any further questions about the implementation of the German Supply Chain Act (LkSG)?

Please contact us at


Would you like to work with HYDAC?

Contact us now for all matters relating to our supplier portal or the German Supply Chain Act (LkSG).

Contact us now