The site keeps working. So do we.
Ongoing maintenance, security updates and performance optimisation for websites and web apps we — or another agency — built, so the team behind your biggest asset doesn't disappear the day it launches.
Start a project →Wave18 provides ongoing website management for businesses across the UK and Europe: maintenance and support, security updates and vulnerability patching, performance optimisation, automated backups, uptime monitoring and monthly reporting — for sites we built, and after a short technical audit, for sites built by other agencies too. Updates and monitoring run on a schedule rather than waiting for something to break, so most issues are resolved before a visitor ever notices them. Security patching and vulnerability scanning are continuous, not a one-off item ticked off at launch, and every plan includes a plain-English monthly report showing exactly what changed, what was fixed, and how the site performed. Performance work continues after go-live too — Core Web Vitals are retuned as content, plugins and traffic shift the site over time, targeting the WCAG 2.2 AA standard the site launched with. Plans are priced monthly to match a site's size and complexity, with support requests answered within one business day.
Last updated: July 2026
What we offer
Maintenance & Support
Core, plugin and dependency updates, bug fixes and small content changes, handled on a regular cadence.
Security Updates
Patching, vulnerability scanning and hardening to keep the site ahead of known exploits.
Performance Optimisation
Ongoing Core Web Vitals tuning as content, plugins and traffic change the site over time.
Backups & Recovery
Automated, tested backups with a documented recovery path if something does go wrong.
Uptime Monitoring
Continuous monitoring with alerting the moment something degrades, not when a customer complains.
Monthly Reporting
A plain-English summary of what changed, what was fixed, and how the site performed.
Explore each capability
Maintenance & support
Core, plugin and dependency updates, bug fixes and small content changes handled on a regular cadence, so the site stays current instead of drifting. A monthly report summarises exactly what changed — no vague "all fine" emails.
Security updates
Patching, vulnerability scanning and hardening run continuously to keep the site ahead of known exploits, not as a one-off launch checklist. Most issues are closed off before they are ever visible to visitors.
Performance optimisation
Ongoing Core Web Vitals tuning as content, plugins and traffic change a site over time — because a site that launched fast does not stay fast on its own. We keep it in shape rather than optimising once and walking away.
Care, not just cover.
Proactive, not reactive
Updates and monitoring happen on a schedule — most issues are fixed before they are ever visible to visitors.
We support sites we didn't build
A short technical audit lets us safely take over maintenance for sites built by other agencies.
Security is continuous
Patching and vulnerability scanning run on an ongoing cadence, not as a one-off launch checklist.
Clear reporting
A monthly summary shows exactly what was done — no vague "all fine" emails.
The site you shipped keeps changing — plugins, traffic, threats. We keep watching so nothing breaks quietly.
Available across the UK — Website Management near you or browse Website Management services by city.
Frequently asked
By industry
Fast, resilient patient platforms — kept that way after launch.
Ongoing maintenance, security patching and monitoring for healthcare platforms — WCAG 2.2 AA maintained, monthly reporting, 24/7 uptime.
Manufacturing & IndustrialMulti-market catalogues, kept current across every market.
Ongoing maintenance for multilingual manufacturing catalogues — security patching, performance tuning, monthly reporting, six languages.