Key Takeaways
Choose an SEO agency on evidence rather than promises: real case studies in your sector, a clear explanation of how it builds links, regular reporting on keyword positions, organic traffic and enquiries, and no guaranteed rankings, secret methods or long lock-ins without a review point.
- Judge an SEO agency on proof, not promises. Case studies with real keyword positions, organic traffic growth and the business outcome behind them, in a sector close to yours.
- Ask exactly how they build links. Genuine outreach to relevant, authoritative sites is slow work. Paid placements on low-quality sites and quick-fix tactics are the single clearest warning sign.
- Five red flags: guaranteed rankings, secret or proprietary methods, no reporting, £99 a month pricing, and a twelve-month lock-in with no review point.
- Expect three to six months for meaningful movement, with the strongest results building through months nine to twelve. Anyone promising instant results is guessing or lying.
- White hat holds, black hat breaks. Bought links, private blog networks and keyword stuffing can move rankings briefly, then risk a manual action that removes the site from search entirely.
Did you know that choosing the wrong SEO agency is one of the most costly mistakes a business can make?
Bad SEO can rot your site to its core. Lazy, corner-cutting tactics that gain quick wins will prove harmful.
Backlinks from dodgy or irrelevant websites damage your domain authority.
And, most importantly, your competitor will gain an advantage in search results and AI search while you wait for results.
But we want you to get the results you deserve.
So here is what SEO agencies actually do, what separates the good from the bad, the questions our experts say you should ask before you commit, and the red flags that should make you run.
What an SEO Agency Actually Does
Search engine optimisation improves your website's visibility in Google's organic search results and AI search results.
Let's say you search "cafes near me".
Those cafes that appear at the top of Google, not including the "sponsored" ads, will likely have the strongest SEO.
Now, a good SEO agency works across three areas simultaneously.
Technical SEO covers the foundations:
- page speed
- site structure
- crawlability
- indexing
- schema markup
- mobile performance
These are the technical signals that determine whether Google can read your site properly.
A site with technical problems is destined to fail. Content and links can only do so much.
On-page SEO covers everything on the page itself.
Think keyword targeting, content quality, heading structure, meta titles and descriptions, internal linking, and the relevance of each page to the searches it is trying to rank for.
On-page SEO is visible work, like content strategy, page rewrites, FAQ sections, and optimised category pages.
Off-page SEO requires building links to bolster a website's authority.
When quality websites link to yours, Google treats those links as a signal that your content is worth ranking.
But the quality of those links matters enormously. A link from a respected industry publication does wonders for your domain authority.
A properly run SEO campaign works across all three areas.
Quality SEO agencies will weave all three together to create a powerful search growth machine.
How to Spot a Good SEO Agency
The strongest signal is proof of results in your sector.
That means case studies with organic traffic growth, keyword positions, and ideally the business outcome behind the rankings, whether that is leads, sales, or enquiries.
Don't accept buzzwords.
When we took Multichannel Fulfilment from position 99 to position 2 for "ecommerce fulfilment", a keyword with a £9.77 cost per click, monthly enquiries tripled.
As you can see here, SEO growth increased enquiries and, in turn, profit.
Good agencies can also explain the structure of a campaign in simple language, because not everybody understands the jargon.
Professional, quality agencies will also ask detailed questions. No SEO campaign is the same. Like a doctor, they need to understand the problem before offering a solution.
Another green flag is transparency with timelines. SEO is a months-long investment.
A solid SEO campaign produces results within three to six months, with stronger results building through months nine to twelve and beyond.
Don't listen to any agency promising instant results.
The 5 Questions to Ask Before You Sign
Our SEO experts recommend that you ask these questions before you sign the contract and commit:
What does your process look like for a new campaign?
The answer should be specific: technical audits, keyword research, content mapping, on-page optimisation, and a clear explanation of how off-page authority building fits into the timeline.
How do you approach link acquisition?
This question separates the scammers from the legit.
Authentic link building involves outreach to relevant, authoritative sites in your sector, and it is no walk in the park.
Illegitimate link building involves paid placements on low-quality sites or quick-fix tactics. If they cannot give a specific answer, this could be a clear warning sign.
What does reporting look like and how often do we speak?
You should receive regular reporting with clear data and have someone available to explain what it means and what is changing as a result.
Who will actually be working on our account?
The person who pitches is not always the person who delivers.
Get to know the account manager, how many other clients they handle, and how senior the people working on your campaign are. There is nothing wrong with questioning experience.
Can you share examples of results in a similar sector or at a similar budget level?
We mean real examples, not vague case studies with no verifiable detail.
Red Flags to Walk Away From
Some warning signs are worth naming directly.
Guaranteed rankings
Nobody can guarantee results. Google's algorithm considers hundreds of signals, responds to competitor behaviour, and updates regularly.
A confident projection based on data and experience is legitimate.
Secret techniques and proprietary methods
A reputable SEO agency can explain exactly what it does and why.
If an agency is vague about methods, it is probably hiding something dodgy.
No reporting or opaque reporting
If an agency cannot produce clear, regular data on keyword positions, organic traffic, and the work completed each month, you have no way of knowing whether the campaign is performing.
Stay clear of this one.
Unusually low pricing
SEO done properly requires skilled people spending meaningful time on your account each month.
An agency that offers substantial SEO work at £99 per month is not delivering real SEO. Unfortunately, that is not possible.
Long lock-ins without performance clauses
A twelve-month minimum with no review point exists to lock you into a hefty contract and protect the agency's revenue.
White-Hat vs Black-Hat SEO
These terms refer to whether an agency's methods comply with Google's guidelines.
White-hat SEO builds rankings through legitimate means:
- high-quality content
- properly structured pages
- links earned from relevant and authoritative sources
Yes, the results take longer to achieve. But they hold when Google updates its algorithm, because legitimate tactics achieve real SEO growth.
Black-hat SEO attempts to trick the algorithm:
- buying links in bulk
- private blog networks
- keyword stuffing
- fake pages that deceive both visitors and search engines
Sure, these tactics can produce short, quick results.
But they also carry the risk of a Google penalty, which can be a manual action or algorithmic relegation that can remove a site from search results entirely.
Good luck trying to recover from that.
To break it down, white hat is legitimate, honest work. Black hat cuts corners with tricks, and the risk heavily outweighs the reward.
And we understand that the difference is not obvious from the outside, which is why asking about link acquisition methods is important.
A legitimate SEO agency will gladly break down its backlink methods.
Local vs National SEO Agencies
To local or national, that is the question.
But the answer depends on your current situation and personal preferences.
A local agency may have a better intuitive understanding of local search behaviour and the competitive landscape in your area.
A national agency may have more experience across different sectors and a larger team of specialists.
So, there isn't a straight answer.
What matters is whether the agency has demonstrable experience in your type of SEO.
For example, local search optimisation requires a different approach to national or ecommerce SEO, which involves competing for head terms against leading national brands.
Our advice? Choose based on evidence of results in your sector.
We find that the best SEO agencies communicate regardless of where they are based, and the reporting relationship works over a phone call or video meeting as easily as it works in person.
What Good Reporting and Communication Looks Like
If you spend money, of course you want an update on your return on investment.
Good reporting covers keyword positions and the full picture of where the campaign stands. It covers organic traffic trends, with context for any significant changes.
It should also include the work completed during the period, like content published, pages optimised, links acquired.
And it must cover what is planned for the coming month and why.
The reporting should connect to your business outcome. Enquiries and revenue generated through organic search are, ultimately, the real goal.
Communication should be regular and proactive.
You should not be chasing your account manager for updates. If rankings move significantly in either direction, you should hear about it and understand why.
Some agencies provide live dashboard access so you can check performance at any point rather than waiting for a monthly summary.
How We Work at CreateTheWeb
We build our SEO campaigns around a structured process in which technical foundations, content strategy, and link building work together to compound growth.
We start with a full technical audit to understand the site's current foundation and diagnose the main issues before any content or link building campaigns.
We map keywords into logical content clusters, such as pillar pages, supporting articles, and optimised product or service pages, working together.
We build internal linking architecture to distribute authority throughout the site.
Off-page, we run genuine outreach to build links from relevant, authoritative sources in your sector.
Multichannel Fulfilment moved from position 99 to position 2 for "ecommerce fulfilment", with monthly enquiries tripling as a result.
Taylors of Bath reached position 1 in local search for their most commercially important terms.
Falcon Technology's Google visibility increased from 0.26% to 15.88% over a twelve-month campaign, with online sales increasing by 1,051%.
And this is what sustained, methodical work can achieve over time, which is the nature of honest SEO.
We report clearly, communicate proactively, and, most importantly, you do not have to sign your life away to a long-term contract. Our confidence is in the work.
For a full breakdown of what SEO typically costs and what different budget levels include, see our guide to SEO costs.
Want to Scale Your Business With SEO?
At CreateTheWeb, we have helped small, local businesses and leading corporations raise their visibility in Google and AI search to increase profits.
If you would like to chat with our experts, get a FREE quote today to see how SEO can scale your business.
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