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QUALIFIED TRUST SERVICES

Legally compliant digital signatures (eIDAS) to drive forward the digitalization of your business processes.

CORPORATE TRUST SERVICES

Cryptography-based trust services
to protect your digital identities,
data and business secrets.

Qualified electronic signature products based on eIDAS - legally binding and secure.

API GUIDE

Upgrade your application with electronic signatures by primesign.





DOCUMENT SIGNING API

Signing of PDF documents. primesign handles document processing and adds a visual signature stamp.

HASH SIGNING API

Signing of hash values. Your application handles document processing and provides the document viewer.

CASH BOX API

RKSV-compliant JWS- or raw signatures for cash box receipts.





primesign TRUST CENTER

All documents for our qualified trust services, certificate revocation list, root-/CA- certificates, etc.

RESOURCES

Fact sheets, product documentation and more.



Lease A Vehicle: Better To Buy Or

: You only pay for the vehicle’s expected depreciation during the lease term (usually 2–4 years). At the end of the term, you return the keys and own nothing. Monthly and Upfront Costs

: You finance the entire cost of the vehicle plus interest and fees. Once the loan is paid off, the car is your asset, and you can drive it payment-free for years. better to buy or lease a vehicle

builds equity. The vehicle is a tangible asset you can eventually sell or trade in. : You only pay for the vehicle’s expected

usually requires a higher down payment (often 10%–20%) and higher monthly installments because you are paying for the full value of the asset. Ownership and Equity Once the loan is paid off, the car

builds no equity. Financial experts like Suze Orman and Dave Ramsey advise against it, calling it a "rip-off" because you have no value to show for your payments at the end. Key Advantages and Constraints

Buying or Leasing a Car in 2026: Which Make is Best for You?