We respond within 72 hours
Talk to a real human
One inbox, no chatbot. Email us and the engineer who wrote the signature stamper will read it.
General support
For product questions, billing queries, and contract-tier guidance:
support@esignature.llcService-level objective: every email gets a human reply within 72 hours, usually same business day.
Security & vulnerability disclosure
Found something we should know about? We treat coordinated disclosure seriously and will not take legal action against good-faith researchers.
Email support@esignature.llc with the subject line SECURITY — or read the full policy on the /security page.
Operating entity
The contract counter-party for every customer worldwide is the entity below. The product, database, and engineering team operate from the EU.
LCR ONE OÜ
Estonia · EU
Harju maakond, Tallinn — registered office on file with the Estonian Business Register (Äriregister). EU-region data residency.
Privacy & data subject requests
Subject access, erasure, and CCPA opt-out requests reach the responsible team via support@esignature.llc. We acknowledge within 72 hours and complete within 30 days, in line with GDPR Art. 12(3) and Thai PDPA Sec. 30.