Ecommerce SEO Guides · Working With an Agency · 25

What Does an SEO Agency Do for an Ecommerce Business?

If you are thinking of hiring help, it is fair to ask exactly what an ecommerce SEO agency does for the money. The honest answer is that a good one handles the whole picture, from audit to reporting. This guide sets out exactly what the work involves so you know what you are paying for.

Updated: May 2026
Written by: Andrew Odgers, MD
Reading time: 7 min
Quick answer

An ecommerce SEO agency handles the work of getting your store to rank: a site audit, keyword research, a strategy and topical clusters, on-page and content work, technical fixes, authority building and clear reporting. It is ongoing monthly work, so you should always be able to see what is being done and why.

The honest answer

What you are
paying for

Audit

It starts here

A good agency begins with a full site audit.

Monthly

Ongoing work

SEO is continuous, not a one-off project.

Clear

Reporting

You should always see what is being done.

The full picture

What the work involves

A good ecommerce SEO agency does far more than write a few pages. The work spans research, strategy, content, technical fixes, authority and reporting. Here is what each part involves so you can see exactly what you are paying for.

The short answer

In a sentence, an ecommerce SEO agency handles the work of getting your store to rank so you do not have to. That covers understanding your store and market, building a plan, doing the on-page and technical work, building authority and reporting on results. A good agency owns the whole process rather than dabbling in one part of it.

Audit and research

Everything starts with understanding where you are. The agency audits your store for technical issues, content gaps and structural problems, researches the keywords your customers actually search and studies your competitors to see where the opportunities lie. This research becomes the foundation for the strategy, so the work that follows is targeted rather than guesswork.

Strategy and topical clusters

Next comes the plan. A strong agency builds topical clusters around your key services, each formed of a landing page, a hub page and supporting informational pages, all tied together with internal links. This structure tells Google you are an authority on a topic and channels ranking strength to your commercial pages. It is the backbone of modern ecommerce SEO.

On-page and content work

With the plan set, the agency does the on-page work: optimising category and product pages, rewriting thin or duplicate descriptions, getting titles, headings and meta right and creating genuinely useful content like buying guides. This is the part shoppers and search engines actually see, where a lot of the ranking and converting happens.

Technical SEO

Underneath the content, the agency keeps the foundations healthy: improving page speed, fixing site structure and crawl issues, adding schema markup, handling duplicate content from filters and making sure the mobile experience is sound. Technical work is often invisible to you, though without it the content above cannot rank to its potential.

Authority building

To rank for competitive terms, a store needs authority. The agency builds it through earning links from reputable sites, encouraging genuine reviews and strengthening your brand signals. This is the slowest part to show results, which is why a good agency starts it early and builds steadily rather than chasing quick, risky shortcuts.

Reporting and ongoing work

Finally, a good agency keeps you informed and keeps going. SEO is ongoing, so the work repeats and builds each month, with regular audits to catch issues. You should receive clear reports on rankings, traffic and sales, in plain English, with regular updates on what is being worked on. Transparency is part of the service.

The key truths

Three things a good
agency gets right

01 · Whole picture

End to end

A good agency handles research, strategy, content, technical and authority together. SEO works as a system, not as one piece done in isolation.

02 · Ongoing

Monthly, not once

SEO is continuous work that compounds over time. A real agency keeps going month after month rather than delivering a single project.

03 · Transparent

You see the work

You should always be able to see what is being done and why, in plain English. Clear reporting is a sign of an agency worth trusting.

The work

What a good agency
handles for you

Four areas of work that together make a store rank.

Four areas an agency runs
Audit & strategy
1Site audit
2Keyword research
3Competitor analysis
4Topical clusters
On-page & content
1Category pages
2Product pages
3Descriptions
4Guides and schema
Technical
1Speed fixes
2Site structure
3Crawl and index
4Schema markup
Authority & reporting
1Link building
2Reviews
3Regular reports
4Ongoing updates
A good ecommerce SEO agency runs the whole picture: auditing the store, building a strategy and topical clusters, optimising pages and content, fixing the technical foundations, building authority and reporting on it all. It is ongoing monthly work rather than a one-off, so you should always be able to see what is being done and why.
What you get

What you get
from an agency

A full auditA clear picture of where you stand.
A real strategyClusters and a plan, not random tasks.
The work doneContent, technical and authority each month.
Plain reportingUpdates you can actually understand.
Done for you

Want it all handled?

If you would rather a specialist team ran your ecommerce SEO end to end, that is exactly what we do. Our ecommerce service starts from £350 a month and includes an update every three weeks. A free audit shows you where we would start.

Good vs bad

A good agency vs
a bad agency

A good agency

What to expect

  • A full audit and clear strategy
  • Real monthly work
  • Transparent, plain reporting
  • Honest expectations
  • Regular communication
A bad agency

Warning signs

  • No audit, no strategy
  • A monthly report and little else
  • Vague about the actual work
  • Guaranteed rankings
  • Silence between invoices
Part of: This is guide 25 in our full ecommerce SEO library, a look at what an agency does.
SEO Guides for Ecommerce Businesses →

Where to go next

Once you know what an agency does, Choosing an Ecommerce SEO Agency helps you pick a good one. If you are weighing it against doing it yourself, DIY Ecommerce SEO vs Hiring an Agency compares the two. And to judge any service fairly, What Ecommerce SEO Should Include sets out what a proper one covers.

Every guide here sits inside our SEO Guides for Ecommerce Businesses hub, so you can decide how to get the work done. When you want it handled for you, our Ecommerce SEO Services page explains exactly how we work with stores across the UK.

Free, no obligation

Let us handle
your ecommerce SEO.

We will audit your store and show you exactly what we would do to grow it, free. No generic report, no sales pitch. Ecommerce SEO from £350 per month.

Frequently asked

What an ecommerce SEO agency does

What does an ecommerce SEO agency do?
An ecommerce SEO agency handles the work of getting your store to rank: auditing the site, researching keywords, building a strategy and topical clusters, optimising category and product pages, fixing technical issues, building authority through content and links and reporting on progress. In short, the whole picture rather than one piece.
Is it worth hiring an ecommerce SEO agency?
For many stores yes, because a good agency brings the experience, tools and team to do the work properly and consistently. Whether it is worth it depends on your margins, competition and how much you can do yourself. A free audit will give you an honest view before you commit.
How much does an ecommerce SEO agency cost?
In the UK, ecommerce SEO retainers typically start from around £350 a month and rise with the size of your store and the competition you face. It is ongoing monthly work rather than a one-off, so the fee reflects the continuous effort that earns and holds rankings.
How is an SEO agency different from a freelancer?
An agency brings a whole team and a full set of tools across the work, where a freelancer offers one person time and capacity. Agencies usually suit stores that want the complete picture handled consistently, while a freelancer can work well for smaller, more focused tasks.