SEO in London: what you are paying for, and how to compare quotes

In London you are buying people, not a package. The fee you are quoted is mostly the seniority of whoever actually touches your account, plus the cost of running a central office, so the single most useful thing you can do is make every firm tell you which named person does the work and how many hours a month they personally spend on it. Get three quotes against one identical scope, compare the ninety day deliverable lists rather than the monthly numbers, and start with a fixed scope project before any retainer.

London has more search agencies than any other city in Europe, and the range between two quotes for what looks like the same work is wide. This guide explains where that range comes from, what London specific work is worth paying for, and how to run the conversation so the comparison is real.

Why London is its own market

Three things make it different from the rest of the UK.

The competition is global, not local. A London law firm, fintech or recruiter is competing in results against companies with large in house teams. The same work that moves a regional site takes longer and costs more here, and any firm that does not say so in the first meeting has not looked at your sector.

Local intent is borough level and postcode level. "Dentist near me" in Clapham and the same search in Islington are effectively different markets, and the map results are decided by proximity, by your Google Business Profile and by reviews far more than by your blog. If your customers come to a premises, that work is a separate discipline from the rest of SEO and you should see it priced separately.

London searches in many languages. Private healthcare, immigration law, property, education and professional services all get meaningful search volume in languages other than English. A firm that can plan and produce properly localised pages, with the right localised versions markup, is doing work most agencies in this market do not offer. Machine translated pages behave badly, so ask who writes them.

What you are actually paying for

Break any London fee into these parts and the differences between quotes stop being mysterious.

Part of the fee	What it buys	Question to ask
Senior strategy time	Diagnosis, priorities, the hard judgement calls	How many hours a month, by whom, and is that in the contract?
Account management	Reporting, coordination, chasing your approvals	What proportion of the fee is this, honestly?
Delivery	Writing, technical fixes, outreach	Who does it and where do they sit?
Tools	Rank tracking, crawling, link data	Do I get logins, and do I keep the data if I leave?
Office and overhead	A central London address and the sales team	Would a remote or regional team do this work for less?

The honest version of the London price question is not "what does SEO cost in London". It is "how many hours of what seniority am I buying, and what gets shipped in the first ninety days". Two firms quoting very different numbers often turn out to be selling very different amounts of senior time.

The five supplier types in this city

• Large full service agencies. Multiple channels under one contract, built for brands with internal marketing teams. The risk is that search becomes the smallest line in a bigger relationship.
• Specialist search agencies. Usually the best value in London for a company where organic search is a main channel. Ten to fifty people, partner level involvement, one discipline done properly.
• Boutiques and two person shops. Excellent when the two people are the two people doing your work. Ask about capacity before you commit to volume.
• Independent consultants. The right buy for diagnosis, for auditing another agency's work, or for guiding your own team. Many of the best SEOs in London work this way by choice.
• Sales front with offshore delivery. A London brand and a London contract, with writing and technical work done elsewhere. This can be good value when it is disclosed. Ask directly, and ask to speak to the person who will write your pages.

The pricing conversation, done properly

Write one scope document and send the same one to three firms of different sizes. Include your platform, your sector, how many pages you have, who can publish changes, how fast your developers move, and the outcome you want. Then ask each firm for the same four things.

• A ninety day deliverable list with dates, specific enough that you could check it yourself.
• Named people, their roles and their monthly hours on your account.
• The commercial terms on one page: fee, whether it excludes VAT, initial period, notice period, and what you keep when you leave.
• What they need from you, and what happens to the plan if you are slow to approve things.

Those four documents, side by side, tell you more than any published benchmark, because they price your work rather than an average. They also reveal who read the brief.

Red flags, in a market with a lot of sales talent

Google's own guidance is direct about the biggest one: "No one can guarantee a #1 ranking on Google. Beware of SEOs that claim to guarantee rankings, allege a 'special relationship' with Google, or advertise a 'priority submit' to Google."

Alongside that, in this city specifically:

• A proposal that arrives before anyone asked about your business. If it was written in a day, it was written for someone else.
• The senior person in the pitch who disappears after signature. Ask for their hours to be written into the contract.
• A fixed number of links a month as the headline deliverable. Paid links are against Google's spam policies and the consequence lands on your domain.
• Headline claims with no evidence. Claims on a UK agency website are advertising, and the CAP Code administered by the Advertising Standards Authority requires advertisers to hold evidence for them, so asking for the working behind a number on their homepage is a fair question.
• Reporting that leads with impressions, or with rankings for phrases you have never heard of.
• A twelve month lock in with no deliverable in month one.

What to require in the first thirty days

• Read only access requested to Search Console and analytics, not full admin demanded.
• A written diagnosis naming the three things holding the site back, with evidence for each.
• The ninety day plan converted into dated tasks with owners, including your own tasks.
• Agreement on the two or three numbers that will be reported, chosen before work starts, with today's figures recorded as the baseline.
• One reference call with a former client, which is more informative than any current one.

How to measure it afterwards

Enquiries, bookings or orders from organic search are the number that matters. Support it with clicks and impressions on your commercial pages in Search Console, and with the count of pages earning any search traffic, which shows whether the work is compounding. If you serve customers from a premises, track calls and direction requests from your Google Business Profile separately, because that channel moves for different reasons.

This page covers buying SEO in London: the structure of the market, how fees are built, and how to compare proposals. For hiring across the rest of the United Kingdom, where rates and supplier mix differ, see a UK wide guide. For paid search and social, brief those separately.

What gets asked about SEO in London

Why are London SEO quotes so far apart?

Because they contain different amounts of senior time and different delivery models. One quote may be a partner working on your account weekly; another may be a junior account manager coordinating offshore production. Ask for named people and monthly hours and the gap explains itself.

Do I need a London agency if my business is in London?

Only for work that genuinely needs people on the ground, such as local outreach, photography or meeting your team weekly. Technical and content work is done just as well remotely, and you often get more senior attention for the same fee outside the city.

Is it cheaper to hire in house in London?

One in house specialist in London costs more than many retainers once you include employment costs, and one person rarely covers technical, content and link work. The common pattern that works is one in house owner who sets priorities, with specialists bought in for the parts they cannot do.

How long should the first contract be?

Buy a fixed scope audit or project first. It is the cheapest way to find out how a firm thinks, you keep the document either way, and it gives you a real basis for the retainer conversation.

A fifth document to ask London firms for

The four documents you ask London firms for describe what they will do. None shows what a buyer sees now. Add a fifth request: the replies ChatGPT, Gemini and Perplexity give when asked for the best providers in your field, with the cited pages.

It lets you compare quotes against something other than the firm's own account. A fee that looks high may buy work that changes those replies, and a low one may not touch them. AI Knows Us records the assistants' replies to your category questions, so the firm and you read from the same page when you talk about value.