Do you need a twelve-month SEO contract?

Usually not. But the case for one is stronger than we would like, and parts of it are right. SEO does take months to show: Google's own guidance said for years that results typically took four months to a year. What does not follow is that you have to be locked into a year to get the work done, or that a long contract protects you as much as it protects the supplier.

Our interest, stated first. We sell SEO as a fixed-price project: an SEO audit and first fixes for £2,500, with ongoing work available month to month and no minimum term. So the answer that suits us is no. We have tried to argue the other side as hard as the evidence allows, and where it holds, we say so.

This is part of our series on marketing myths, checked, which tests things small businesses are told against what the people who run the systems actually publish.

What decides how long the work takes

Most of what sets the pace is not in the contract at all. We go through it in how long SEO takes; in short:

• The state of the site. Problems that stop pages being indexed have to be fixed before anything else can show.
• How competitive the searches are. A local service in a market town is a different task from a national search.
• Local or national. For local searches, Google says results are "mainly based on relevance, distance and popularity", and that how well known a business is depends partly on "how many websites link to your business and how many reviews you have" (Google Business Profile Help).
• How much content needs writing. Pages that do not exist yet have to be created, then found.
• How quickly changes are made. Much of the work is changes to your own site. If they wait for your developer or your sign-off, the clock waits too. Until June 2026, Google's guidance on hiring an SEO told site owners to "Be committed to implementing the recommended changes", because "Making the changes recommended by an SEO takes time and effort" (archived copy, June 2025).

What the evidence says about when results appear

Google gives ranges, not dates.

• After a change, Google has to crawl the page again. It says "Crawling can take anywhere from a few days to a few weeks" (Google, ask Google to recrawl your URLs).
• Its SEO starter guide says: "Some changes might take effect in a few hours, others could take several months. In general, you likely want to wait a few weeks to assess whether your work had beneficial effects."
• For improvements to a site's overall quality, Google's guidance on core updates says "it could take several months for our systems to learn and confirm that the site as a whole is now producing helpful, reliable, people-first content in the long term", and that if nothing has changed after a few months, "that could mean waiting until the next core update".

And for years Google put a number on it. Its page on hiring an SEO said: "Remember that it will take time for you to see results: typically from four months to a year from the time you begin making changes until you start to see the benefits." That line was still there in April 2026 (archived copy, 23 April 2026). It is not on the current page, which Google rewrote on 5 June 2026 "to simplify and modernize the content" and "remove outdated examples" (Google Search Central documentation updates). Google did not say it had changed its view of the timeframe, so we do not read the removal as Google saying results now come faster. It means Google no longer puts a number on it.

That is the strongest point for the other side, and it cuts against how we sell. Our own audit and first fixes takes about four weeks. On Google's own figures, the benefits of that work will mostly arrive after the project has ended. A fixed price buys defined work, not results within the project, and anyone selling SEO in short projects, us included, should say so.

What a long contract protects, and who it protects

A twelve-month contract protects both sides, but not equally, and not in the same way.

For the agency, it protects income. It lets the agency recover upfront work, such as an audit, a strategy and set-up, over twelve monthly payments rather than charging for it at the start. It lets a larger agency hire and plan around a known workload.

For you, it can buy a lower monthly price, a rate that cannot rise for a year, and a team that has committed time to your account. Those are real benefits, and a supplier offering them in return for a commitment is not doing anything wrong.

The risk sits with you. If the work is not done, or is done badly, you are still paying. And because you are buying as a business, most of the protection consumers get does not apply. The Consumer Rights Act 2015 defines a consumer as "an individual acting for purposes that are wholly or mainly outside that individual's trade, business, craft or profession" (section 2), and the new rules on subscription contracts in the Digital Markets, Competition and Consumers Act 2024 apply to "a contract between a trader and a consumer" (section 254), and are not yet in force: the government announced on 9 August 2026 that they will come into force in January 2027 (Prime Minister's Office). They cover consumers, not businesses. For a business buying SEO, the contract itself is most of the protection there is.

The honest case for a long contract

Having argued against our own interest this far, here is where a twelve-month commitment genuinely makes sense.

• When you would otherwise stop too early. If the work takes months to show and you would judge it at week six, a commitment can stop you abandoning work that was about to pay off. That is a real risk; the fix is agreeing in advance what should have moved by when.
• When the price reflects it. If committing for a year brings the monthly price down, or means the audit and set-up are not charged separately, compare the total cost over the year, not the monthly figure.
• When the programme needs planning. A year of content or outreach, planned and scheduled, is easier to deliver and staff for than one month at a time.
• When continuity matters to you. A supplier that has reserved time for you for a year is less likely to move its best people elsewhere.

What these have in common is that the benefit comes from the plan and the price, not from being unable to leave.

How to get the benefits without the lock-in

• Agree a twelve-month plan, in writing: what will be done, in what order, and what should change by when.
• Pay for upfront work separately, so ongoing monthly work does not have to recover it.
• Work month to month with a clear notice period, or accept a longer term with a break clause after the first three months.
• Review against measures you can check yourself: pages indexed, impressions and clicks for the searches that matter, in Search Console. Google's current guidance says an audit "should be about giving you realistic estimates of improvement, and an estimate of the work involved" (Google, do you need an SEO?).
• Keep the accounts in your name, so leaving costs you nothing but the relationship. We cover why in who owns your marketing accounts.

For what the work itself should cost, see how much SEO costs in the UK, and for what a first piece of work should include, what an SEO audit should include.

A quick check before you sign

The ticks are saved in this browser.

• I know what will be done each month, not just what it costs.
• We have agreed what should change, and by when.
• I have compared the total cost over the term with the alternatives.
• There is a break clause or a notice period I can live with.
• Upfront work is priced separately, or I know how much of the monthly fee is paying it back.
• Search Console, analytics and any ad accounts are in my name.
• Nobody has guaranteed me a ranking.

Where the evidence is thin

• How long SEO takes for small businesses. We found no independent study that measures it. The figures commonly quoted come from SEO software companies and agencies, with samples and methods that are hard to check, so we have not used them.
• Whether contract length changes outcomes. We found no data comparing results under long contracts, rolling contracts and fixed projects.
• Why Google removed its timeframe. Google's documentation update describes simplifying the page and removing outdated examples. It does not say whether it still considers four months to a year typical.

The verdict

Usually not, but the reason people give for one is partly right. SEO does take months to show, and Google said for years that four months to a year was typical. A long horizon is often the right way to plan the work. A long lock-in is a different thing: it protects the supplier's income first, and a business buying SEO has little protection beyond the contract itself. Plan for a year, pay for what is done, keep the accounts in your name, and make sure you can leave if the work stops.