Hiring an SEO agency is one of the few significant purchases where the buyer usually knows less about the product than about any other line in the marketing budget — and where the supplier knows it. That asymmetry is the whole problem. It is also fixable in a single meeting, provided you walk in with the right questions and know what a strong answer sounds like.
Most bad outcomes here are not fraud. They are a mismatch nobody tested: a provider selling content to a business whose real constraint is crawlability, or selling technical work to a business with no pages worth crawling. Both parties leave the pitch happy, and eight months of organic search budget disappears into work that was never going to move the number that mattered.
This guide is the diligence conversation, not the shopping list. If you are still deciding between models, our comparison of an agency, an in-house hire and a freelancer covers that choice, and our guides to SEO cost in the UK and SEO pricing models cover the money and the contract shape. Google publishes its own short brief on whether you need an SEO at all, and it is worth ten minutes before any pitch.
What follows is a diligence script for hiring an SEO agency: thirty questions in six categories, what a strong answer contains, the red flags that should end a conversation, and a scorecard for comparing two shortlisted providers without relying on who presented better. Every figure quoted is arithmetic on prices already published across this site, so you can substitute your own numbers and rerun it.
Table of contents
- Why Hiring an SEO Agency Goes Wrong Before Any Work Starts
- Strategy Questions: How Will You Earn Rankings We Do Not Have?
- Team Questions to Ask Before Hiring an SEO Agency
- Technical Questions Buyers Skip When Hiring an SEO Agency
- Content and Authority: What Hiring an SEO Agency Should Buy You
- Reporting Questions That Expose Weak Work
- Commercial and Contract Questions Before Hiring an SEO Agency
- Red Flags That Should Stop You Hiring an SEO Agency
- Reference Checks Nobody Does When Hiring an SEO Agency
- Scoring the Answers When Hiring an SEO Agency
- The 30 Questions to Ask Before Hiring an SEO Agency
- Frequently Asked Questions About Hiring an SEO Agency
- References
Why Hiring an SEO Agency Goes Wrong Before Any Work Starts
The failure almost never happens in month seven, when it becomes visible. It happens in the first hour, when nobody establishes what the work is for. Hiring an SEO agency rewards the buyer who spends that hour on diagnosis rather than on chemistry.
The pitch is built to be un-testable
Almost every proposal you will read is written to survive scrutiny rather than invite it. It lists deliverables without hours, promises improved visibility without a baseline, and describes a process in nouns. None of that is dishonest, and all of it is unfalsifiable. The practical consequence for anyone hiring an SEO agency is that two proposals differing by a factor of three in real effort read almost identically on the page.
So the decision gets made on rapport, the office, and the quality of the deck. Those are the three variables least correlated with the outcome twelve months later. Hiring an SEO agency well means replacing that with a short list of questions whose answers can be written down, compared side by side, and held against the provider in month six.
Three ways it fails, and the question that catches each
There are really only three common failure modes when hiring an SEO agency, and each has an early warning sign visible during the pitch. You do not need to be technical to spot them. You need to ask one question per failure and listen for whether the answer contains anything specific.
| Failure mode | Early warning in the pitch | The question that catches it |
|---|---|---|
| Wrong diagnosis: they sell what they sell | The plan is identical to the one on their website | “What is your diagnosis of why we do not rank?” |
| Thin resourcing: the fee funds fewer hours than implied | Deliverables are listed, hours never are | “How many hours a month, by whom?” |
| Unmeasurable success: nobody can fail | Reporting starts with impressions and rankings | “Which number goes first in the report?” |
| Silent handover: the pitch team is not the delivery team | Everyone in the room is a director | “Who does the work, and were they here?” |
What a good first meeting actually feels like
A provider worth hiring spends the first half of the meeting asking you things: what a customer is worth, which pages already convert, what your developers can ship in a quarter, what happened the last time you tried this. They will be reluctant to commit to a plan before seeing your data, and they will say so. That reluctance is the strongest early argument in favour of hiring an SEO agency at all.
The single best signal available before hiring an SEO agency is the ratio of questions to claims in the first hour. A provider who asks more than they assert is running a diagnosis. One who arrives with a finished plan for a site they have not crawled is running a template, and you will be paying for the template.
Strategy Questions: How Will You Earn Rankings We Do Not Have?
Strategy is where the money is decided, so this is where the questions to ask before hiring an SEO agency have to be sharpest. Five will do it.
“What is your diagnosis, in one sentence?”
Ask before they present anything. A strong answer names causes and points at evidence: thin category pages, an internal linking structure that buries the commercial hub, a crawl budget wasted on faceted URLs, or no content at all for the questions buyers actually ask. A weak answer restates the service list — content, technical, links — in the order it appears on their homepage.
Push once: “which of those is the binding constraint for us?” A provider who cannot pick one has not looked. This is the highest-yield question in the whole process of hiring an SEO agency, because everything downstream is either aimed at the real constraint or it is decoration.
“Which page would you work on first, and why that one?”
You are testing whether they can be specific under mild pressure. The answer should be a URL, a reason it can move sooner than the others, and an admission of what they cannot know yet without access. Vagueness here predicts vagueness in delivery, and it is the cheapest thing to test before hiring an SEO agency.
“What happens in the first ninety days, week by week?”
Strong answers separate discovery from delivery and put dates on both: a technical crawl and a baseline in weeks one and two, findings and a prioritised roadmap by week four, first fixes and first pages shipped by week eight. If the first ninety days are described as strategy and setup with nothing shipped, ask what you are paying for in that period.
Our technical SEO audit checklist is a reasonable benchmark for what a competent first month produces. If their proposed discovery is thinner than that, before hiring an SEO agency ask them to explain the gap rather than assuming they will fill it silently.
“Which disciplines are in scope, and who covers the rest?”
A modern organic programme needs technical work, content strategy, copywriting, digital PR, analytics, conversion work, local visibility and answer-engine optimisation. Almost nobody covers all eight well. What you want is an honest list of which they own, which they subcontract and which they simply do not do, so you can plan for the gap before hiring an SEO agency rather than discover it in month five.
“What would make you tell us this is the wrong investment?”
The best answer to this question loses the provider revenue, which is why it is worth asking. Real thresholds exist: no repeatable sales process, a development queue with no capacity for twelve months, a product with no search demand, or a domain in the middle of a migration. A provider who says SEO is right for everyone has told you their qualification process is a diary. Qualification should run in both directions when hiring an SEO agency.
Team Questions to Ask Before Hiring an SEO Agency
The gap between the pitch team and the delivery team is the single most common unpleasant surprise in the first quarter after hiring an SEO agency.
“Who will actually do the work, and were they in this meeting?”
Ask for names, roles and the hours each will spend on your account monthly. Then ask which of them you will meet before hiring an SEO agency. A provider who resists introducing the delivery lead is protecting an allocation they have not made yet. This question costs nothing and reprices the whole proposal in your head.
“How many accounts does our strategist carry?”
There is a number, and staff know it. Under about ten is workable; north of fifteen means your account is managed rather than worked. Divide their monthly fee by a realistic blended rate to sanity-check the answer. At the £75 to £110 an hour that UK providers typically cost, a £1,500 retainer funds roughly fourteen to twenty hours — a few days of one person’s month, not a team.
“What happens if that person leaves mid-contract?”
You want a documented handover, a named second who already knows the account, and account documentation that is not in one person’s head. Continuity is one of the few genuine structural advantages you are buying when hiring an SEO agency rather than a single freelancer, so make them demonstrate it rather than assert it.
“Which parts of the work are subcontracted?”
Subcontracting is normal and not a problem in itself. Undisclosed subcontracting is. Ask which functions sit outside the company, how output is quality-checked before it reaches you, and who is accountable when it is wrong. Hesitation on this question is more informative than the answer, and it is one of the few moments in hiring an SEO agency where a pause tells you everything.
| Role on the account | What to ask | Weak answer | Strong answer |
|---|---|---|---|
| Strategist | How many accounts, and how many hours on ours? | “They oversee all our clients” | A named person, eight accounts, six hours a month |
| Technical lead | Do they implement or only advise? | “We hand recommendations to your devs” | Either implements, or prices implementation as an option |
| Writer | In-house or freelance, and who reviews for accuracy? | “We have a content team” | Named writer, subject-matter review before publication |
| Account manager | Do they add capacity or only coordinate? | “Your single point of contact for everything” | Coordinates, and the specialists join the monthly call |
| Analyst | Who builds the reporting, and from which sources? | “Reports are automated” | A named analyst, with commentary written by a human |
Technical Questions Buyers Skip When Hiring an SEO Agency
Technical answers are the easiest to bluff and the easiest to verify later, which makes them worth four of your questions when hiring an SEO agency.
“Who implements the fixes — your team or ours?”
This is the question that quietly decides whether anything ships. Recommendations that sit in a spreadsheet waiting for a development queue produce no rankings and no revenue. Either the provider implements, or implementation is scoped and priced as an option, or you commit internal capacity in writing. Any other arrangement is a plan to be disappointed, and it is the most expensive mistake available when hiring an SEO agency.
“What do you need access to on day one?”
A competent answer is immediate and specific: Search Console, analytics, the CMS with a staging environment, server logs if they exist, and the commercial data that says which pages matter. If access requirements arrive late and vaguely, the discovery will be shallow. Note that admin rights should stay yours — Search Console permissions are granted, not transferred.
“How do you prioritise the findings?”
You want expected impact weighed against developer effort, not a list ordered by severity label. Ask them to show a prioritised roadmap from another account with the client details removed. The shape of that document tells you more than any case study, because it is what you will actually receive every month after hiring an SEO agency.
“How would you handle a redesign or replatform mid-contract?”
Even if none is planned, the answer reveals experience. Strong answers mention a URL inventory, a redirect map, a staging crawl before launch and a change freeze around go-live. Ours is written up as a redirect map and migration checklist; a provider whose answer is thinner than that has not survived a bad migration yet.
Content and Authority: What Hiring an SEO Agency Should Buy You
Content is where most of the budget goes after hiring an SEO agency, so vague answers here are expensive in a way the other categories are not.
“Who writes it, and who checks it is true?”
Named writers, a brief you approve, and a subject-matter review step before publication. For anything with commercial or regulated consequences, that review is not optional — Google’s guidance on helpful content is explicit that demonstrable expertise is what gets rewarded, and a generalist writer cannot manufacture it.
“How do you brief for expertise you do not have?”
The only credible answer involves your people: recorded interviews with your specialists, a question list sent in advance, sales call transcripts, support tickets. Providers who plan to research your industry from the first page of results will produce content indistinguishable from your competitors’, which is precisely the outcome you are hiring an SEO agency to avoid.
“What is the cost per page, and how many pages a month?”
UK content production runs roughly £150 to £600 per page depending on research depth, interviews and design. Ask for the rate and the monthly volume separately, then multiply. A £1,500 monthly content budget buys ten pages at the cheap end and two and a half at the expensive end, and those are wildly different programmes.
Ask which end of that range they are quoting, and what changes between the two. If the answer is only word count, the difference is not research depth and you are buying volume, which is the commonest way money leaks after hiring an SEO agency.
“How, exactly, do you earn links?”
Named tactics, named publications, and sample placements from the last quarter. Any answer involving packages, monthly volumes or guaranteed domain ratings is describing paid link schemes, which Google’s spam policies treat as manipulation. The risk of that lands on your domain, not on the provider’s.
“What is your policy on AI-generated drafts?”
There is a defensible position — drafting with AI, then verifying, editing and adding original material — and an indefensible one. Ask which they run, and who signs off. Answer engines read intent with natural language processing and then cite a handful of sources, so undifferentiated machine prose is a poor bet for the kind of visibility our AEO services team optimises for.
Reporting Questions That Expose Weak Work
Reporting is where a weak engagement hides. Five questions make that difficult, and they are the ones most often skipped when hiring an SEO agency.
“Which number goes first in the monthly report?”
Revenue, pipeline or qualified enquiries. If the first number is impressions, rankings or traffic, you will spend a year discussing metrics that can rise while the business gets nothing. Agree the headline number before hiring an SEO agency, and agree who owns the model that produces it.
“How do you connect organic sessions to revenue?”
Nobody can do this perfectly, so the honest answer states a model and its assumptions: last non-direct click, assisted conversions, a lag window, or brand versus non-brand splits. What matters is that the model is written down before the results arrive, so it cannot be adjusted afterwards to flatter a bad quarter.
“Who owns the accounts, the data and the content?”
You do, and the contract should say so. Analytics properties, Search Console, the content management access and the published work should all sit in your ownership with the provider granted access. This is one of the cheapest protections available when hiring an SEO agency, and it is invisible until the relationship ends.
“What does a bad month look like in your reporting?”
Ask to see one, redacted. Every real programme has them. A provider who cannot produce an example either has no history or reports only good news, and both answers should worry you more than a chart with a dip in it. Nobody hiring an SEO agency should expect twelve good months in a row.
| Metric | What it actually proves | How it gets flattered |
|---|---|---|
| Impressions | Almost nothing on its own | Chasing high-volume irrelevant queries |
| Keywords ranked | Coverage, not demand | Counting terms nobody searches |
| Organic sessions | Reach, if segmented | Reporting brand and non-brand together |
| Non-brand sessions to commercial pages | Real progress | Hard to flatter, which is the point |
| Qualified enquiries | Business outcome | Loosening the definition of qualified |
| Revenue or pipeline | The only number that settles arguments | Attribution windows chosen after the fact |
“What will you stop doing if it is not working by month six?”
Agree a kill criterion in advance. Our guide to the SEO results timeline sets out what should be visible by when, which gives both sides a fair basis for that conversation instead of an argument about patience.
Commercial and Contract Questions Before Hiring an SEO Agency
The commercial terms decide how much a wrong decision costs you, which makes them the questions to ask before hiring an SEO agency rather than after the first invoice.
“What is the minimum term, and the notice period?”
UK retainers commonly run three to twelve months with thirty to ninety days’ notice. All of it is negotiable, and the first ask is rarely the best available. Twelve months with ninety days’ notice, when you are hiring an SEO agency you have never worked with, is a fifteen-month commitment wearing a twelve-month label.
“What is out of scope, and how are extras priced?”
Get the scope in writing and a day rate for everything outside it. Scope creep in both directions is the usual cause of a sour second quarter: you expect implementation, they expect advisory, and neither reads the statement of work until somebody is annoyed.
“What happens to the work if we leave in month four?”
You keep the content, the accounts, the documentation and the roadmap. Say it in the contract. Also check the payment terms, since thirty days from invoice is the British default and UK suppliers retain a statutory right to interest on late commercial payments under the Late Payment of Commercial Debts (Interest) Act 1998.
| Contract term | Common UK default | What to negotiate for |
|---|---|---|
| Minimum term | 6 to 12 months | 3 months, or a paid audit first |
| Notice period | 60 to 90 days | 30 days after the minimum term |
| Named team | Not specified | Named people with monthly hours |
| Asset ownership | Silent or provider-favoured | Client owns content, links, accounts, data |
| Reporting cadence | Monthly PDF | Monthly call with the specialists present |
| Pause clause | Absent | One paid pause month a year |
“How much cash is committed before we can leave?”
Do this arithmetic before signing, not during a difficult meeting. On a £3,000 monthly retainer, a thirty-day notice period risks £3,000; ninety days risks £9,000; a twelve-month minimum term commits £36,000 whatever happens in month two. The provider is not being unreasonable in asking for term — organic work genuinely needs time — but you should know the number you are agreeing to before hiring an SEO agency.
“Can we start with a paid audit instead?”
Frequently the best answer available. A standalone technical audit costs £500 to £3,500 and tells you how a provider thinks, writes and meets dates, for a fraction of a year’s fee. It also leaves you with a scoped list of work you can price elsewhere. A provider who refuses any smaller first step is asking for trust it has not earned, and a paid audit is the cheapest way to de-risk hiring an SEO agency.
Red Flags That Should Stop You Hiring an SEO Agency
Some answers are not weak but disqualifying. Five of them should end a conversation about hiring an SEO agency politely and quickly.
Guaranteed rankings or guaranteed timescales
Nobody controls the ranking systems, and anyone claiming otherwise is either misinformed or counting on you being so. Google’s own guide to its ranking systems describes a moving target of many signals. A guarantee is a marketing device; treat it as evidence about the seller.
A proposal with no diagnosis
If the plan could have been written without seeing your site, it was. This is the most common red flag when hiring an SEO agency, and the easiest to test: ask which specific thing on your site prompted the third item in their proposal.
Link volumes, packages and domain-rating promises
Any tiered offer of a fixed number of links per month is describing a purchase Google treats as manipulation, with the penalty risk sitting on your domain. Providers who earn links talk about stories, data and journalists, not quantities.
Reporting that leads with impressions
A first slide of impressions and average position is a choice, and the choice is to be unaccountable. It is not fatal on its own, but combined with a refusal to agree a headline business metric it tells you what the monthly call will be like for the year after hiring an SEO agency.
Pressure to sign this week
Discounts that expire, capacity that is about to go, a rate that rises on Monday. Legitimate providers do have capacity constraints, and they describe them as dates rather than as pressure. Anyone hurrying you past diligence is telling you the diligence would not have gone well.
Reference Checks Nobody Does When Hiring an SEO Agency
Two phone calls will tell you more about hiring an SEO agency than any proposal will, and almost nobody makes them.
Ask for a client who left
Not a case study — a client whose contract ended. Ask why, and then ask to speak to them. The willingness to make that introduction is itself the answer, and the call, if it happens, is the most honest twenty minutes in the whole process of hiring an SEO agency.
Ask for a failure and what changed afterwards
Every provider with real history has an account that went badly. What you want is a specific story with a specific lesson that became a process change. A polished non-answer here usually means either no history or no reflection, and you will be paying to be the lesson.
Verify one case study yourself
Pick a case study, find the site, and look at whether the pages described exist and read as claimed. Check the company at Companies House while you are there. This takes fifteen minutes and occasionally saves a year, and it is the cheapest diligence step available to anyone hiring an SEO agency.
Scoring the Answers When Hiring an SEO Agency
By the second pitch, the answers blur. A simple weighted scorecard, filled in immediately after each meeting, prevents the last conversation from winning by recency.
Weight the categories, not the personalities
Score each of the six categories out of ten, then weight them. The weighting below is ours and it is deliberately biased towards diagnosis and delivery, because those two are what actually produce the outcome; adjust it if your situation genuinely differs, for example if you have no internal development capacity at all.
The three answers that should be non-negotiable
Whatever the total says, three answers are pass or fail: you own the accounts and the assets, the named delivery people are in the contract, and the headline reporting metric is a business outcome rather than a visibility proxy. A provider who scores well overall but fails one of those is a provider you will be renegotiating with in month five.
The 30 Questions to Ask Before Hiring an SEO Agency
Take this list into every meeting you hold before hiring an SEO agency. Score each answer out of ten before you leave the car park, while the wording is still fresh.
| # | Question | A strong answer contains |
|---|---|---|
| Strategy and diagnosis | ||
| 1 | Why do we not rank for the terms we care about? | Named causes, evidence from our site |
| 2 | Which page would you work on first, and why? | A specific URL and a reason it moves soonest |
| 3 | What happens in the first ninety days? | Dated deliverables, discovery separated from delivery |
| 4 | Which disciplines are in scope, and who covers the rest? | An honest list of gaps |
| 5 | What would make you say this is the wrong investment? | A real threshold that costs them the sale |
| Team and delivery | ||
| 6 | Who does the work, and were they in this meeting? | Named people, roles, monthly hours |
| 7 | How many accounts does our strategist carry? | A number, and it is under about ten |
| 8 | What happens if that person leaves? | Documented handover and a named second |
| 9 | Which parts of the work are subcontracted? | Disclosed without hesitation, with QA described |
| 10 | How much of our time do you need, and from whom? | Specific hours and named internal roles |
| Technical delivery | ||
| 11 | Who implements the fixes? | A clear split, with implementation priced |
| 12 | What access do you need on day one? | Console, analytics, CMS, staging, logs |
| 13 | How do you prioritise findings? | Expected impact against developer effort |
| 14 | What if our developers disagree with you? | A written spec, a test, an escalation path |
| 15 | How would you handle a replatform mid-contract? | Redirect map, staging crawl, freeze window |
| Content and authority | ||
| 16 | Who writes it, and who checks it is true? | Named writers and a subject-matter review |
| 17 | How do you brief for expertise you lack? | Interviews with our specialists |
| 18 | What is the cost per page and the monthly volume? | A rate in the £150–£600 band and a firm count |
| 19 | How exactly do you earn links? | Named tactics and sample placements |
| 20 | What is your policy on AI-generated drafts? | Disclosed, with human editing and verification |
| Reporting and measurement | ||
| 21 | Which number goes first in the report? | Revenue, pipeline or qualified enquiries |
| 22 | How do you connect organic to revenue? | A named model with stated assumptions |
| 23 | Who owns the accounts, data and content? | We do, with admin rights retained |
| 24 | What does a bad month look like in your reporting? | A redacted real example with its diagnosis |
| 25 | What will you stop doing if it is not working? | A kill criterion agreed in advance |
| Commercial and exit | ||
| 26 | What is the minimum term and notice period? | Both in months, and negotiable |
| 27 | What is out of scope, and how are extras priced? | A written scope with day rates |
| 28 | What happens if we leave in month four? | We keep content, accounts, documentation |
| 29 | Which clients left last year, and may we call one? | A name and a contact, without a script |
| 30 | What do you need from us to make this work? | Specific, uncomfortable, and about us too |
Our own SEO services team answers this list for prospective clients before being asked, because the questions are the shortest route to establishing whether an engagement is going to work. Hiring an SEO agency should begin with the buyer’s questions, not the seller’s slides.
Frequently Asked Questions About Hiring an SEO Agency
How many providers should we shortlist?
Three is the practical maximum. Two is often better, because the value comes from the depth of each conversation rather than the breadth of the comparison. Five pitches produce a spreadsheet nobody trusts and a decision made on fatigue.
Should we send the questions in advance?
Send about half. Advance notice on strategy and reporting produces better-considered answers, which is what you want. Keep the team, subcontracting and reference-check questions for the meeting, since the value of those is partly in the unrehearsed response.
Is a small provider riskier than a large one?
Differently risky. A small provider gives you senior attention with a real key-person dependency; a large one gives you continuity with a real risk of junior delivery. Question eight and question seven exist to expose exactly that trade-off, and the comparison of delivery models works through it in full.
What if we cannot judge the technical answers?
Ask for the reasoning rather than the conclusion, and listen for whether it is explained in terms of your business or in jargon. Alternatively, buy a small independent audit first and use it as the benchmark. Either way, a provider unwilling to explain their thinking simply is the risk you were trying to avoid.
How long should the process take?
Two to four weeks from first contact to signature is comfortable for hiring an SEO agency. Faster than a week means diligence was skipped; longer than six weeks usually means the decision is not really funded, and providers will start deprioritising you accordingly.
References
Google Search Central: Do you need an SEO?
Google Search Central: SEO Starter Guide
Google Search Central: Spam policies for Google web search
Google Search Central: A guide to Google Search ranking systems
Google Search Central: Creating helpful, reliable, people-first content
Google Search Console Help: Manage users, owners and permissions
Google Analytics Help: Manage users and their access
Companies House: Find and update company information
Late Payment of Commercial Debts (Interest) Act 1998
GOV.UK: Late commercial payments, interest and debt recovery
ICO: Contracts and liabilities between controllers and processors
