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Contact

RITTER Starkstromtechnik GmbH & Co. KG

Sebrathweg 20
44149 Dortmund

Tel.: +49 231 77 55 - 0
E-mail: info@ritter.info

Verifications, credentials, certificates – the most important documents at a glance.

We have compiled the most important documents for you. This gives you transparent insight into our way of working and allows you access to our tax statements, exemption certificates, other certificates, and much more at all times. Should you have any further questions, do not hesitate to contact us!

Tax liability of evidence

The current tax liability Proof of construction work and / or building cleaning services are available for download at the locations Berlin, Dortmund and Magdeburg.

PDF DOWNLOAD: Tax liability Proof RITTER Berlin »

PDF DOWNLOAD: Tax liability Proof RITTER Dortmund »

PDF DOWNLOAD: Tax liability Proof RITTER Magdeburg »

PDF DOWNLOAD: Tax liability Proof RITTER Rhein-Main-Neckar »

Exemption certificates

The current exemption certificates for tax deduction for building services are available for download here for the locations Berlin, Dortmund and Magdeburg.

PDF DOWNLOAD: Exemption certificates RITTER Berlin »

PDF DOWNLOAD: Exemption certificates RITTER Dortmund »

PDF DOWNLOAD: Exemption certificates RITTER Magdeburg »

PDF DOWNLOAD: Exemption certificates RITTER Rhein-Main-Neckar »

ISO Certificate

PDF DOWNLOAD:DIN EN ISO 9001:2015 »

Corporate Responsibility

PDF DOWNLOAD:Corporate Responsibility RITTER »

Code of Conduct

PDF DOWNLOAD:Code of Conduct RITTER »

PDF DOWNLOAD:Code of Conduct suppliers and service providers »