Reference letters. Clear. Fair. Compliant.
Product · Digital Signature

Sign reference letters digitally — workflow 80% more efficient

End the era of printing, scanning, and shuffling paper. With ZeugnisPilot's digital signature workflow, you collect signatures via magic-link, finalise the PDF automatically and file it in the personnel record. A process that used to take days is done in hours.

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  • Magic-link instead of paper trail
  • Up to 80% less process time
  • QR-code verification on every PDF
  • Art. 330a CO and ZertES compliant
80%
less process time

Instead of multiple days of postal delivery and double-printing — signature back via magic-link in minutes.

~CHF 18
cost savings per reference

Printing, postage, archival, manual filing and chasing fall away. Tangible impact on your HR cost centre.

< 5 min
Time-to-signature

From sending the email to the signed PDF — managers sign directly on screen or with a stylus.

0
media breaks

No paper, no scan, no email attachments with version chaos. A fully digital flow from creation to filing.

Today · reality in many HR teams

What the manual reference-letter process really costs you

Most SMEs underestimate how many hands a single reference letter passes through — until it finally lands with the employee.

Paper trail across floors

Print draft, hand to line manager, get back, correct, print again, get the CEO to sign — with two signatories the wait time doubles.

Version chaos in email attachments

"Reference_Mueller_v3_final_corrected.docx" — who has the latest version? Which corrections are in it? Manual version control is error-prone and unprofessional vis-à-vis the employee.

Scan, mail, file

After signing: scan, email to the employee, copy to personnel file, original to archive. Four extra steps per reference — without any value added.

No verifiability

Third parties (new employers, banks) cannot verify whether a presented reference is genuine. Forged references are a growing problem — your letterhead alone offers no protection.

How it works

Four steps from draft to signed PDF

ZeugnisPilot's digital signature workflow is built into the generator — no second platform, no second login.

  1. 1

    Create and approve the reference

    Generate a draft in the wizard, run the compliance check, activate four-eyes review. Once finalised, add signatories with their email addresses.

  2. 2

    Magic-link to the signatories

    Instead of printing, ZeugnisPilot sends a secure magic-link via email. The link goes straight to the signature page — no login, no app install.

  3. 3

    Sign directly on screen

    The manager draws the signature with mouse, touch or stylus — alternatively a photo of their own signature can be uploaded. HiDPI canvas technology ensures crisp, high-resolution rendering.

  4. 4

    Automatic finalisation & filing

    Once all signatures are in, ZeugnisPilot renders the final PDF with embedded signatures and QR-code. The employee receives the signed document by email; a copy is uploaded to the personnel file (UKG HRSD, bexio, ...).

80% — what the number means

Classic vs. digital — the process comparison

We measured the typical Swiss reference-letter process in a mid-sized SME with 80 employees. The result: per reference you save roughly 80% of HR and line-manager time.

Classic (paper + email)

  • Create draft & email to line — 30 min
  • Line corrects & sends back — 1–3 days waiting
  • Print, walk over for signature — 25 min + waiting
  • Collect second signature — another 1–2 days
  • Scan, email, file, archive — 20 min
Active time + waiting~75 min active · 3–7 days total

Digital (ZeugnisPilot workflow)

  • Fill wizard with HR master data in 10–15 min
  • Activate four-eyes workflow with one click
  • Magic-link emails to signatories — 0 min
  • Signing via touch or mouse — 2 min per person
  • Automatic finalisation & filing — 0 min
Active time + waiting~15 min active · a few hours total

Values are based on typical experience from Swiss SMEs with 50–250 employees. Effect in individual cases depends on complexity and number of signatories. Methodology in the Kompass Whitepaper.

Six concrete benefits

More than just time saved

The digital signature process solves more than an efficiency problem — it raises your HR processes to a new quality level.

Up to 80% less process time

Magic-link replaces paper trail and postal delivery. What used to take days is now done in hours — with measurable impact on your HR KPIs.

Lower process costs

No printing, no postage, no scans, no double filing. With 50 references per year you quickly save four-figure amounts — and many person-hours in HR.

Complete audit trail

Every step — creation, approval, signing, dispatch — is logged with a timestamp. In case of a dispute or audit you have a seamless history.

Sign from anywhere

CEO working from home? Line manager on a business trip? Magic-link works everywhere — including on smartphones. No more waiting for someone to return to the office.

Tamper-proof via QR-code

Every signed PDF carries a QR-code with SHA-256 fingerprint. Third parties can verify authenticity in seconds — protection against reference-letter forgery.

Direct filing in personnel file

The final PDF moves automatically to your personnel record (UKG HRSD, more planned). No manual upload, no risk of mix-ups — compliance requirements met automatically.

Security & law

Legally sound and tamper-proof

ZeugnisPilot's digital signature meets the requirements for simple electronic signatures (SES) under Swiss ZertES and EU eIDAS — sufficient for reference letters, which have no formal-form requirement.

Art. 330a CO compliant

Swiss Code of Obligations does not require written form per Art. 13 CO for reference letters. An electronic signature with identity binding is legally valid.

HMAC-signed magic-links

Every signature link is an HMAC-signed token with expiry. Tampering or reuse is technically excluded — derived from JWT best practices.

SHA-256 fingerprint in PDF

The final PDF content is hashed and stored with issuer, timestamp and workflow ID in Firestore. Subsequent tampering is detected immediately on QR scan.

Swiss hosting

Backend, database and verification service run in Google Cloud region Zurich (europe-west6). Signature data does not leave Switzerland.

Note on signature type: For most HR use cases (incl. reference letters, internship and apprenticeship references) a simple electronic signature (SES) is sufficient. For contracts with statutory written-form requirement (e.g. consumer credit, certain employment contracts) a qualified electronic signature (QES) would be needed — this is on our roadmap, but not yet available. More on the legal classification in our article Knowledge: Reference Letter Switzerland.

Who benefits most

Typical use cases

  • HR managers in SMEs: You issue 30–100 references per year and lose 30–60 minutes per reference to paper trails, chasing and filing. The digital workflow gives you back a day per month.
  • Travelling executives: You want to sign references promptly but rarely sit at your desk. Magic-link works from a hotel room, tablet or smartphone.
  • Multi-site groups: Line and HR sit in different cities or countries. Instead of couriering originals, the entire process runs in the cloud — with full audit trail.
FAQ

Frequently asked questions about digital signing

Is a digital signature legally valid for reference letters?
Yes. The Swiss Code of Obligations (Art. 330a CO) does not require qualified written form for reference letters. A simple electronic signature (SES) with identity binding is legally valid — and accepted in practice. EU eIDAS likewise accepts SES for documents without statutory form.
How do signatories receive the document?
They receive an email with a secure magic-link. One click opens the reference in the browser, lets them review and sign directly. No login, no registration, no app required.
What if the manager does not open the link?
You see in the workflow dashboard which signatory is still pending. A reminder email can be re-sent with one click. With multiple signatories the process runs in parallel — no one waits for the other.
Can we sign on a smartphone?
Yes. The signature pad supports touch and pen input natively. On iPad with Apple Pencil or Surface with stylus the signature is virtually identical to a handwritten one. Alternatively you can upload a photo of your signature.
How is the signed PDF protected against manipulation?
We compute a SHA-256 fingerprint of the final PDF content and store it together with issuer, timestamp and workflow ID. The PDF carries a QR-code — anyone scanning it sees immediately whether the document is authentic.
What if an employee requests changes?
The workflow supports the status "changes requested". The employee can leave notes, you revise the draft, and the signature process restarts — without the old token remaining valid. Fully traceable in the audit trail.
Is the signed document filed in the personnel record automatically?
If you have a personnel-record integration configured (e.g. UKG HR Service Delivery), yes: the final PDF is filed in the employee's record using their personnel number. More providers are on the roadmap.
Does digital signing cost extra?
Nothing extra. The digital signature workflow is included in all plans from Pro upwards. No per-signature cost, no separate licence, no third-party account. More on our <a href="/pricing">Pricing page</a>.

From paper trail to digital workflow

Save hours from the very first reference — and give your managers and employees an experience that fits modern Switzerland.

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