Supplier Portal
Innovation Needs Strong Partners – Perhaps You?
As a family-owned company with over 50 years of experience, ddm hopt+schuler stands for quality, innovation, and user-friendliness. From our headquarters in Rottweil, we develop and manufacture solutions in the areas of ticketing systems, switches, and both contact-based and contactless card readers, used worldwide.
Our partnerships follow a clear mission
Collaborative Partnerships for Outstanding Products. ddm hopt+schuler maintains close and cooperative relationships with its suppliers—not only to develop the best solutions for its products, but also to uphold shared values and ethical standards, such as adherence to the Code of Conduct.
What's important to us
Certified quality management and high product standards
Openness to new technologies and innovations
Partnership-based cooperation for joint competitiveness
Sustainable and responsible business conduct
Do you meet these requirements and are you interested in becoming part of our network?
Then please send us your product and company presentation as well as our completed supplier self-assessment (PDF-Download below) including attachments to suppliers [at] hopt-schuler.com (suppliers[at]hopt-schuler[dot]com)
In the next step, we will check your documents. If a business relationship with your company is of interest to us, we will contact you.
We ask for your understanding that the check may take some time.
Important Information & Downloads
Whistleblower System
At ddm hopt+schuler, integrity, transparency, and compliance with legal and internal company regulations are of the highest priority.
If, as a supplier or service provider, you become aware of any irregularities, violations of legal requirements, internal policies, or ethical principles related to our company, you may contact our whistleblower protection officers confidentially.
Please send your report via email to:
hinweisgeberschutzgesetz [at] hopt-schuler.com
Alternatively, you may submit your report by post or phone.
All information will be treated with strict confidentiality. Reports can also be made anonymously upon request.
We thank you for your attention and your contribution to a fair and responsible business environment.
Invoice Creation & Submission
For a smooth and timely processing of invoices, we kindly ask our suppliers and service providers to observe the following guidelines when submitting invoices:
Preferred Method: Email Submission
Please send your invoices as PDF files to:
rechnung [at] hopt-schuler.com
- Each PDF should contain only one invoice, including all related attachments.
- Multiple invoices in a single PDF file cannot be processed.
Alternative Method: Postal Submission
If electronic submission is not possible, please send your invoices to the following address:
ddm hopt+schuler GmbH & Co. KG
Accounting
Königsberger Str. 12
78628 Rottweil
Germany