What Should You Know Before Signing a Long Term SEO Contract

The short version: before you sign a long term SEO contract, check the notice period, find out exactly who owns the work if you leave, and get a written definition of what "results" means before month one starts. Most disputes I've seen between clients and SEO agencies come down to one side assuming things the contract never said, so read the exit clause before you read the pricing table.

Why SEO contracts are long in the first place

SEO is slow. That part is true and no agency is lying when they tell you it takes months to move rankings for competitive terms. Google needs time to trust new content, build links, and see that your site behaves the way a site that deserves page one should behave. A 3-month contract isn't enough time to judge whether an SEO strategy is working, which is why most agencies in the UK and US push you toward 6 or 12 month terms.

But here's the part agencies don't put on the sales call: the length of the contract also protects them from you noticing too early that the work isn't going anywhere. A 12-month lock-in gives an underperforming team ten months to fix a strategy before you're even allowed to leave. That's not always malicious. Sometimes it's just a junior account manager who's inherited a bad plan. But the contract length works in the agency's favour either way, not just yours.

The client I watched sign a 12-month deal with no exit route

A few years back I was brought in to review the marketing spend for a mid-size B2B services company (they'd asked me to look at their overall setup, SEO included, before I started working with them ). They'd signed a 12-month SEO contract at £2,200 a month with an agency that had a lovely case studies page and a very confident sales rep. Nothing wrong with the pitch. The problem was the contract: no notice period stated, no clause about what happened to the content and backlinks if they left, and a "results" section that just said the agency would "work towards improved organic visibility." That phrase meant nothing. It couldn't be measured, disputed, or enforced.

Six months in, traffic had moved from roughly 1,400 organic sessions a month to 1,600. Not nothing, but not the growth they were promised either, and there was no baseline in the contract to say whether that was on track or a failure. They wanted out. There was no early termination clause, so they were told they'd need to pay out the remaining six months in full or forfeit the blog content the agency had written under the client's own domain (which, to be fair, was already published and technically owned by the client, but the agency argued the "strategy documents and keyword research" were proprietary and would be withdrawn). It turned into a month of back-and-forth emails that could have been a five-minute conversation if the contract had simply said what happens on exit.

That's the story I tell people now when they ask if long contracts are a problem. They're not the problem. Vague contracts are the problem, and long ones just give vagueness more room to cause damage.

What to check before you sign

Here's the checklist I now run through with clients before they sign anything with a term longer than three months:

• Notice period. Thirty days is standard and reasonable. Anything that requires 60-90 days' notice on top of a 12-month term effectively locks you in for 13-15 months.
• Content and asset ownership. Confirm in writing that any blog posts, pages, and on-site changes belong to you, not the agency, from the day they're published, regardless of who leaves first.
• Backlink disclosure. Ask for a running list of every link built on your behalf, with the source site named. If an agency won't share this, that's a real problem, not a formality, because you need to know if those links are on legitimate sites or on a private blog network that could get you penalised later.
• Defined baseline and targets. Get actual numbers in the contract or an attached scope document: current organic traffic, current keyword rankings for your top 10 target terms, and what "progress" looks like at month 3, 6, and 9.
• Reporting cadence. Monthly reports are standard. Ask what's in them before you sign, not after. A report that only shows "keywords tracked" and "content published" without ranking movement or traffic change isn't a report, it's an activity log.
• Break clause tied to performance. Some agencies will agree to let you exit early, without penalty, if agreed milestones aren't hit by month 6. Ask for this directly. Not every agency will say yes, but the ones confident in their own work usually will.
• Price lock. Check whether the monthly fee can increase mid-contract and under what conditions. Some contracts allow a fee review at month 6, which is fine as long as it's capped and disclosed upfront.

If you want a wider process for vetting any tool or service before you commit, the same discipline applies as when you're doing research on new software before signing up: read the cancellation terms before you read the feature list, every time.

What SEO retainers cost in 2026

For UK small businesses, expect to see:

• £500-£1,000 a month for a local SEO service (one location, limited competition)
• £1,200-£3,000 a month for a national campaign with content production and technical SEO included
• £3,000-£8,000+ a month for competitive B2B or ecommerce SEO with a dedicated team, link building, and CRO work bundled in

Freelancers and smaller consultants often sit at £600-£1,500 a month for comparable local or regional work, without the agency overhead. Neither option is automatically better. A £600/month freelancer with 15 years of experience in your exact sector will usually outperform a £2,500/month agency account manager juggling twenty clients. Ask who will be doing the work, not just who's on the pitch call.

The uncomfortable bit nobody puts in the sales deck

Here's what agencies rarely say out loud: SEO is difficult to attribute to one provider once a business has been running its own website, content, and marketing for years. If you already publish content, already have some backlinks, and already rank for a few terms, an agency taking over can claim credit for growth that would have happened anyway from your existing brand momentum, seasonal demand, or a competitor going quiet. A 12-month contract gives that ambiguity plenty of time to work in the agency's favour, because by month 9 nobody remembers exactly what the baseline was in month 1 unless it was written down at the start.

This isn't a reason to avoid long contracts. It's a reason to insist on the baseline numbers being locked into the contract itself, not just discussed on a call. If an agency is reluctant to commit to a written starting point, ask yourself why. The same scrutiny applies to what you should ask a lead generation agency before you sign, because attribution problems aren't unique to SEO, they show up in most performance marketing contracts.

Step by step: how I'd review a 12-month SEO contract today

1. Read the term and notice period first, before pricing. Write down the total minimum commitment in months and pounds.
2. Ask for a scope document separate from the legal contract, listing exact deliverables per month (number of blog posts, technical audits, backlinks targeted, on-page fixes).
3. Request the agency's current rankings tracking for your top 10 keywords, run through a free tool, before you sign, so you have your own independent baseline.
4. Confirm in writing who owns published content and site changes if the contract ends early.
5. Ask directly: "What happens if we're not seeing agreed progress by month 6?" Get the answer in writing, not verbally.
6. Check for auto-renewal clauses. Some contracts silently roll into another 12 months unless you cancel 60-90 days before the end date. Set a calendar reminder the day you sign, not the week the renewal hits.
7. Get a second opinion from someone outside the sales process, ideally someone who's read a few of these contracts before and knows what a normal clause looks like versus an aggressive one.

When a long contract is the right call

None of this means long contracts are bad by default. If you're working with a proper agency doing technical SEO, content, and digital PR link building on a competitive market, 6-12 months is a realistic timeframe to see meaningful change, and a shorter contract can work against you because agencies front-load the easy wins and hold back the slower structural work for clients they know will stick around. I've seen businesses churn through three different agencies on 3-month rolling contracts, never giving any single strategy time to compound, and end up worse off than if they'd committed to one plan for a year.

The deciding factor isn't the length. It's whether the agency will put specifics in writing before you sign. The same logic applies whether you're vetting an AI agency for your business or a social media provider: check what the service costs and what you get for it before you compare it to anyone else's pricing, because line items differ wildly between quotes that look similar on paper.

What good looks like

A contract worth signing usually has these features, in plain language, not buried in an appendix:

• A clear start date for tracking, with baseline numbers attached
• Named deliverables per month, not vague phrases like "ongoing optimisation"
• A 30-day notice period after an initial 3-6 month commitment period
• Full ownership of content and on-site work transferring to you immediately on publication
• A named point of contact, not just "your account team"
• A cap on fee increases during the contract term

If an agency pushes back hard on any of these, particularly ownership and notice period, take that as data. A good agency has answered these questions a hundred times before and has the paperwork ready. A weak one will get vague, or tell you it's "not how they normally do things." That sentence should worry you more than anything on the price sheet.

Frequently asked questions

Is a 12-month SEO contract normal?

Yes, 6-12 month terms are standard in the UK and US because SEO takes months to show measurable movement. The length isn't the red flag on its own, but it should always come with a clear notice period, written baseline metrics, and a defined exit process, none of which should be optional extras.

Can you cancel an SEO contract early?

It depends entirely on what the contract says. Most agencies allow cancellation with 30-90 days' notice, but some require payout of the remaining term unless a performance-based break clause was negotiated in advance. Always confirm this before signing, not after you want out.

Who owns SEO content if I leave the agency?

Any content, pages, or on-site changes published to your domain should belong to you regardless of who wrote them, and this should be stated explicitly in the contract. Some agencies try to claim ownership of "strategy documents" or keyword research separately, so ask specifically what happens to those on exit too.

What's a fair price for SEO in the UK right now?

Local SEO typically runs £500-£1,000 a month, national campaigns £1,200-£3,000 a month, and competitive B2B or ecommerce SEO £3,000-£8,000+ a month, depending on how much content, technical work, and link building is included. Price alone tells you little; ask exactly what's delivered for that fee each month.

Primary sources

• Google Search Central documentation
• Google's spam policies

Related reading: How to Write a Product Review for Affiliate Marketing That People Believe and Where to Find Genuine Remote Job Leads Online (Not the Recycled Listings).

If you want the full breakdown, here is everything I know about SEO.