Company

Last updated: 1 July 2026

ISI Labs Ltd is the company behind Sealr. We build and operate the Sealr messaging apps and this website at sealr.chat.

Legal entity

• Legal name: ISI Labs Ltd
• Company number: 17296828 (England and Wales)
• Incorporated: 23 June 2026
• Jurisdiction: United Kingdom
• Product: Sealr (end-to-end encrypted messenger)
• Website: https://sealr.chat
• Support: https://sealr.chat/support

What we do

ISI Labs Ltd develops and publishes Sealr, a privacy-focused messaging app for iOS and Android. Customers can download Sealr Chat on the App Store.

Contact

General enquiries hello@sealr.chat Legal & contractual legal@sealr.chat Privacy & data requests privacy@sealr.chat App support support@sealr.chat