Hiring an SEO Agency · Pricing and Contracts · 16

What Should an SEO Retainer Include?

A monthly fee is easy to quote plus hard to judge unless you know what it buys. A good SEO retainer spells out the work, the reporting plus the support you get each month. Here is what a complete retainer should include plus how to read one before you sign.

Updated: May 2026
Written by: Andrew Odgers, MD
Guide: 16 of 34
Quick answer

A good SEO retainer should clearly include the agreed monthly work, usually strategy, technical SEO, on-page plus content work and link building, alongside regular reporting plus account management. The deliverables or scope should be spelled out, so you know exactly what your fee buys rather than paying for a vague promise of some SEO each month. If a line is not listed, treat that as a question to ask before you sign.

What the fee buys

A retainer
at a glance

A retainer is a monthly fee for ongoing work. These three numbers frame what a clear one should cover.

6

Core inclusions

Strategy, technical, on-page, content, links plus reporting, the spine of most retainers.

£350/mo

Typical entry point

Where a focused local retainer often starts, scaling up with scope.

100%

Clarity expected

A good retainer leaves no doubt about what the monthly fee covers.

The full answer

What a complete retainer covers

A retainer is simply a monthly fee for ongoing SEO. The trouble is that some are clearly itemised while others are little more than a number with the words SEO services beside it. Knowing what a complete retainer should contain lets you compare quotes fairly plus tell a real offer from a vague one.

Strategy plus planning

A retainer should include the thinking, not just the doing. That means deciding what to target each month, in what order plus why, then adjusting as results come in. Without this you are paying for activity with no direction. The strategy is what makes the rest of the work add up to something rather than a list of disconnected tasks.

Technical, on-page plus content work

This is the bulk of the hands-on work. Technical SEO keeps the site healthy plus crawlable, on-page work optimises individual pages plus content adds the pages plus depth that earn rankings. A good retainer covers all three, flexing the balance month to month. You should be able to see roughly what proportion of the fee goes to each rather than guessing.

Links plus authority

Most retainers include some work on authority, whether that is earning links, digital PR or building citations for local businesses. The amount varies plus quality matters far more than volume. What you want is honesty about the approach, since cheap bulk links can do more harm than good. A retainer that quietly skips this should explain how it plans to build authority instead.

Reporting plus communication

The fee should buy visibility, not just labour. A clear retainer states how often you will be updated plus in what form. At Lillian Purge that means an update every three weeks plus a fresh audit every three months. Reporting is not an optional extra, since it is how you hold the agency accountable plus see whether the money is working.

Account management plus support

Someone should own the relationship. A retainer usually includes a point of contact, regular reviews plus a sensible response time when you have a question. This is easy to overlook until you need it. The difference between a retainer that includes real support plus one that does not becomes obvious the first time something needs sorting quickly.

What sits outside the retainer

Finally, know what is not included. Big one-off jobs such as a full website rebuild, a large migration or paid advertising management often sit outside the monthly fee plus are billed separately. That is fine when it is stated up front. What you want to avoid is a retainer that looks complete then sprouts extras later. The panel below lays out a typical set of inclusions so you can see what good looks like.

Three buckets

What a retainer
really pays for

01 · The work

Strategy plus delivery

Planning, technical fixes, on-page optimisation, content plus links. The hands-on activity that actually improves the site each month.

02 · The proof

Reporting plus reviews

Regular updates plus reviews that show what was done plus what it achieved. This is how you see the fee working rather than take it on trust.

03 · The relationship

Management plus support

A clear point of contact, sensible response times plus someone who owns your account. Easy to overlook until the day you need it.

The line items

Inside a complete
SEO retainer

The six things a clear retainer should name, laid out as a simple inclusions list.

What your monthly fee should include
SEO Retainer Inclusions
Strategy plus planning
Deciding what to target each month, in what order plus why.
Technical SEO
Keeping the site healthy, fast plus easy for Google to crawl.
On-page plus content
Optimising pages plus adding the content that earns rankings.
Links plus authority
Earning quality links or citations to build trust over time.
Reporting
Regular updates on what was done plus what it achieved.
Account management
A clear point of contact plus a sensible response time.
If it is not listed, ask. A clear retainer names what the fee buys plus flags anything billed separately, such as a website rebuild or paid ads. Vague scope is the most common weakness, since it lets an agency do very little while staying technically within the fee.
Before you sign

Four questions to ask
about a retainer

A retainer is the moment to pin down exactly what you are buying. Put these four questions to any agency before you commit.

What is included?Which areas of work does the fee cover plus roughly in what balance?
What is extra?What sits outside the retainer plus would be billed separately?
How will I see it?How often is the work reported plus in what form?
Can it flex?Can the balance of work shift as priorities change month to month?
Clear vs vague

A clear retainer
vs a vague one

Two retainers can carry the same price plus mean very different things. Here is how to tell them apart.

A clear retainer

Itemised and honest

  • Names the work the fee covers
  • Shows the rough balance across areas
  • States the reporting rhythm
  • Flags anything billed separately
  • Can flex as priorities change
A vague one

A number and a promise

  • Just says SEO services with no detail
  • Cannot say where the time goes
  • Says little about reporting
  • Hides extras until the invoice arrives
  • Never reviewed once signed
In context: This is guide 16 of 34, in our Pricing and Contracts theme.
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No vague invoices

A retainer that
spells it out.

You will know exactly what your fee covers each month, see it reported every three weeks plus own everything we produce. No mystery line items, no surprise extras. Free quote today, from £350 per month.

Frequently asked

SEO retainers

What should an SEO retainer include?
A good SEO retainer should clearly include the agreed monthly work, usually strategy, technical SEO, on-page plus content work and link building, alongside regular reporting plus account management. The deliverables or scope should be spelled out so you know what your fee buys, rather than leaving it as a vague promise of some SEO each month.
How much should an SEO retainer cost?
It varies with scope plus competition. A focused local retainer often starts around three hundred and fifty pounds per month, while broader national work costs considerably more. What matters most is that the fee maps clearly to the work included, so you can judge value rather than just compare headline prices.
What is not included in a typical SEO retainer?
One-off projects often sit outside the monthly retainer, such as a full website rebuild, a large migration or paid advertising management. A clear retainer states what is included plus flags anything billed separately, so there are no surprise extras. If something is not listed, ask whether it is covered before you assume it is.
Can I change what my SEO retainer includes?
Usually yes. Most agencies will adjust the balance of work as priorities shift, for example more content one month plus more technical work the next. A good agency reviews the retainer with you periodically rather than treating it as fixed, so the fee keeps buying the work that will move the needle most.