Signing in
Use the email address and password for your S4 account and choose the workspace you use — Guard, Company, Client or Platform Admin. Guards join through the security company they work for.
S4 Support
Help with the S4 app and web application, guidance for PatrolSafe by S4, and a clear route to the S4 support team.
S4 app help
For the S4 mobile app and the S4 web application at app.sfour.co.uk.
Use the email address and password for your S4 account and choose the workspace you use — Guard, Company, Client or Platform Admin. Guards join through the security company they work for.
Select Forgot your password? on the S4 sign-in screen. If the address belongs to an S4 account you will receive a link to choose a new password; it works once and expires after 30 minutes.
A new account must verify its email address before it can sign in. Use the link in the verification email, or select Send a new verification email on the sign-in screen.
Delete your account in the app under Account, or ask us to do it.
How to delete your S4 accountQuestions about your shifts, sites, pay or instructions are for the security company you work for. Contact us about problems with the app itself.
How S4 uses personal information, including location checks at Book On.
S4 Privacy PolicyFor help with the S4 app, privacy questions and requests, account deletion and any other S4 enquiry, email us. Please do not send your password.
info@vesoft.co.ukPatrolSafe help
Public guidance for the verified PatrolSafe desktop workflow, from first setup through evidence review and backup.
Prepare, verify, install, and configure PatrolSafe.
Read getting startedUse sites, mappings, monitoring, evidence, and workspace settings.
Read user guideResolve linked-device, connection, monitoring, and mapping issues safely.
Read whatsapp connectionCreate, protect, validate, and restore PatrolSafe workspace backups.
Read backup and restoreReview current v1.0.3 limitations and operational dependencies.
Read known issuesProducts and releases
Use the operational application for S4 account access, or review verified release information for PatrolSafe.
S4 app
Participating pilot users sign in to the existing S4 dashboard for their operational workspace, or contact support for account help.
Downloads & releases
Review release status, platform requirements, checksum information, and the current website acquisition state.
Contact support
Support is available Monday to Friday, 09:00–17:00 UK local time, excluding UK public holidays. We aim to respond within one to two business days; this is a target, not a service-level guarantee.
support@sfour.co.ukFor the S4 app — including privacy and account-deletion requests — email info@vesoft.co.uk.
Privacy and legal information
PatrolSafe by S4
Start with the verified setup guide, then use the user guide and troubleshooting resources as you configure approved sites and groups.