Two honest answers. First, a quiet month is never wasted, because part of what a retainer buys is not measured in days used: security patches still go on within 48 hours of release, the site is still watched, and your priority access is still there the moment something breaks. Second, and this is the commitment that matters, we review every retainer annually against your actual usage, and if you are consistently paying for more days than you use, we move you down a tier. We tell you; you do not have to catch it. The retainer model only stays honest if the agency refuses to profit from unused time, so we built the correction into the service rather than leaving it to your vigilance.
This question deserves a straight answer because the dirty secret of agency retainers is breakage: revenue from days clients pay for and never use. Some agencies budget for it. We think it poisons the relationship, so we handle it differently.
Suppose you report nothing for a month. Your site was still patched within 48 hours of every security release. It was still monitored. Backups still ran and were still verified by test restores. And your place at the front of the queue was still held, which is the thing you cannot buy retrospectively on the day the site breaks. This baseline is why a retainer is not simply prepaid development time; it is closer to having a technical department on standby.
That said, the days are yours, and the best clients treat them as a standing improvement budget rather than an emergency fund. Small speed optimisations, accessibility fixes, editor experience improvements, tidying the things that annoy your content team: none of these ever justify a project on their own, and all of them compound. We keep a running list for each client so quiet months turn into progress rather than nothing. Our audit service is a good source of that list if you do not have one.
Once a year we look at your actual usage across the year, not the busiest month, and compare it to your tier. Consistently under? We recommend the smaller tier, in writing, unprompted. Consistently over? We tell you that too, before overflow billing becomes a pattern. Moving between Essentials (£500), Growth (£950) and Partner (£1,800) is an email, not a renegotiation. The full tier breakdown is on our retainers and support page, and if you suspect your current agency retainer is oversized, we are happy to give a second opinion on what a site like yours actually needs.
Tell us what you're working on and we'll come back within one working day.
An Umbraco Silver Partner agency in Llandudno, North Wales and the Isle of Man, building and looking after Umbraco and .NET websites for businesses and agencies across the UK and beyond. Simon Antony is a brand of Simplepage Ltd.
Maesgwyn, 3 Claremont rd,
Llandudno, North Wales, LL30 2UF