Digital Marketing BlogThe True Cost of Running a Website With Five Separate Vendors The True Cost of Running a Website With Five Separate Vendors
Most firms know roughly what their website cost to build. Far fewer can tell you what it costs to run. The build is a single, memorable invoice; the running costs arrive in pieces, from different suppliers, at different times of year — which is exactly why they add up to more than anyone expects. Here’s the real annual picture for a typical B2B website, line by line. We’ll use ranges rather than false precision — your figures will differ — but the shape of the total, and the unpredictability behind it, is remarkably consistent from firm to firm.
In this article:
The bill you can see vs the bill you can’t
The cost of running a business website splits in two: the invoices you can add up, and the costs that never reach an invoice. The visible bill is hosting, a developer’s time, an SEO retainer, maintenance, plugin licences. The invisible bill is the hours your team spends coordinating all of it, the revenue a slow or broken site quietly loses, and the risk that sits in the gaps nobody owns. A site that loads a second slower, or a contact form that has quietly stopped working, never sends you an invoice — it simply costs you enquiries you never knew you missed.
The visible costs are the ones we’ll itemise below. Keep the invisible ones in mind as you read — they’re the reason the real number is usually higher than the spreadsheet suggests.
Cost 1 — the upfront build
A professional B2B website build typically costs between £3,000 and £10,000 or more before it goes live — and you pay it before the site has earned anything. A small-business build from a freelancer might start around £3,000; an established agency’s custom build can run well past £15,000. Either way it’s a significant sum committed up front, on a site whose return is still entirely theoretical on launch day.
Cost 2 — hosting and infrastructure
Decent managed hosting for a business website runs roughly £20–£100 a month — about £240–£1,200 a year — once you include SSL, a content delivery network and reliable daily backups. Budget shared hosting is cheaper, but it’s usually where the speed and reliability problems start, and the support is generic: when something goes wrong, the answer is often “it’s not our code.”
Cost 3 — the developer or freelancer on call
Keeping a developer on call costs whatever they bill, whenever you need them — usually £60–£150 an hour in the UK, with no reliable way to predict the annual total. A few small fixes a month might come to £150–£600; a single larger change — a new template, a broken integration, a security scare — can spike that in a week. This is the line that makes budgeting impossible, because the cost is driven by problems, and problems don’t arrive on schedule.
Cost 4 — SEO and ongoing optimisation
Ongoing SEO is the most variable line of all: a UK retainer commonly runs £500–£2,000 a month, while the firms that skip it pay instead in invisibility. That’s a wide range because it covers very different things — technical health, content, and link building — and most firms either overpay for a retainer they don’t fully understand or quietly drop it and watch their rankings drift. Worth separating the two parts: keeping a site technically healthy and legible to search and AI engines is foundational maintenance; large content and link-building campaigns are a strategic choice on top. They’re often billed as one lump, which is part of why the line is so hard to judge.
Cost 5 — security, updates and the things nobody owns
Security, updates and backups are the cheapest line to budget and the most expensive to neglect. A managed maintenance plan is around £30–£150 a month; premium plugin and tool licences add perhaps £200–£600 a year, renewing silently on cards nobody tracks. The real exposure isn’t the fee — it’s what happens when it’s nobody’s clear job. An unpatched plugin, a lapsed backup, a form that’s been failing for weeks: each is cheap to prevent and costly to discover late.
Adding it up — and why the real problem is unpredictability, not just the total
Add even modest versions of each line and the separate-vendor approach lands far above what most firms assume — and the total swings wildly from year to year. Here’s a conservative annual picture, before the upfront build:
| Running cost (per year) | Typical range | The catch |
|---|---|---|
| Hosting & infrastructure | £240–£1,200 | Generic support when it matters |
| Developer on call | £1,800–£7,200 | Billed per fix; spikes without warning |
| SEO & optimisation | £6,000–£24,000 (or £0) | The biggest line — or the one quietly skipped |
| Security, updates & backups | £360–£1,800 | Often nobody’s job until it breaks |
| Plugin & tool licences | £200–£600 | Renew silently on untracked cards |
| Coordination — “who do I call?” | Your team’s time | Never appears on an invoice |
Even a cautious tally — modest hosting, occasional developer time, light SEO, a basic maintenance plan — comfortably clears £8,000 a year. Add a proper SEO retainer and it runs to £20,000–£35,000, on top of the upfront build. But the headline figure isn’t really the problem. The problem is that you can’t predict it: the developer line moves with every issue, the SEO line is a judgement call, and the cost of neglect stays hidden until it lands all at once. You’re not buying a service so much as managing a set of risks across five suppliers, none of whom owns the result.
Put concrete numbers on it. A 60-person professional-services firm running a credible site might pay £600 a year for solid hosting, around £3,000 across the year for ad-hoc developer time, £900 a month — £10,800 — for an SEO retainer, £900 for a maintenance plan and £400 in licences. That comes to roughly £15,700 in a year the website behaved itself, and it says nothing about the quarter when a redesign, a migration or a security incident lands on top. The number isn’t alarming because any single line is unreasonable; it’s alarming because no one ever sees all five lines at once.
The single-fee alternative
A managed website subscription replaces all five running-cost lines with one predictable monthly fee — and removes the upfront build entirely. Instead of a host, a developer, an SEO arrangement, a maintenance plan and a stack of licences, one team handles the lot and sends one invoice.
That’s the model behind Agile One — our premium web subscription. It’s £500 a month, with nothing to pay until your site is live: custom design and build, managed hosting and infrastructure, security and maintenance, and ongoing technical SEO and AI optimisation, all included. To be straight about scope, the foundational, technical side of SEO is part of the fee; large strategic content or link-building campaigns are an optional add-on rather than bundled — so the comparison is honest in both directions. What you gain isn’t only a likely saving against the fragmented stack; it’s a number you can actually budget, and a single team that owns the outcome.
If you want to see exactly what sits inside that one fee, the managed website subscription explained in full is the place to start.
Related
Articles
