How Much Does an SEO Audit Cost in the UK? (2026)

How much does an SEO audit cost in the UK in 2026? Real UK SEO audits run £400–£3,000 depending on site size and depth. Below £300 you’re typically getting automated software output dressed as analysis. Above £3,000 for a typical UK SME site is usually overspend — unless you’re at enterprise scale or facing a serious ranking issue.

This is the practical UK SEO audit pricing guide. We’ve delivered hundreds of audits for British businesses across logo, brand, web, and digital marketing engagements. Below is what each price band actually delivers and how to know if you need an audit in the first place.

The three types of “SEO audit” UK agencies sell

1. Automated software output (£0–£300)

An audit produced by running your site through Ahrefs, Semrush, Screaming Frog, or similar — then exporting the results. Usually 20–60 pages of generated PDF.

What it tells you: Technical issues the software can detect — broken links, missing meta tags, slow pages, duplicate content, missing schema.

What it doesn’t tell you: What to prioritise, what the strategic gaps are, how your content compares to competitors, whether your links are healthy.

When to pay: Never. You can run these reports yourself for free or near-free.

2. SME-grade audits (£400–£1,500)

A real human SEO specialist reviews your site, runs multiple tools, manually checks key pages, analyses competitors, and produces a prioritised recommendation list.

What it includes:

• Technical SEO review (mobile, speed, crawlability, indexation, schema)
• On-page review of top 10–30 pages
• Content gap analysis vs 2–5 competitors
• Keyword opportunity research
• Backlink profile review
• Prioritised fix list ranked by impact and effort

Deliverable: 15–40 page document with specific, actionable recommendations.

When to pay: When you’ve never had a real audit, or when rankings have plateaued and you want a roadmap.

3. Comprehensive audits (£1,500–£3,000)

SME audit plus deeper work: full content audit (page by page), comprehensive link analysis with toxic link identification, competitor strategy deep-dive, and often implementation roadmap with timelines.

What’s added:

• Page-by-page content review and pruning recommendations
• Technical SEO with log file analysis
• Keyword strategy with 100–500 keywords mapped
• Full competitor analysis (3–10 competitors)
• Detailed implementation roadmap (12-month plan)
• Presentation session walking through findings

When to pay: Established businesses with significant existing traffic, competitive industries, or specific issues (penalty recovery, traffic drops, ranking losses).

UK SEO audit pricing by site size

When you actually need an SEO audit

Genuine reasons to commission one:

• You’re starting a new SEO engagement. Audits scope the work and set baseline metrics.
• You’ve recently had a traffic drop. Audit finds what changed.
• You’ve never had real SEO work done. Audit reveals the highest-impact opportunities.
• You’re considering a site migration. Pre-migration audit prevents SEO disasters during the move.
• Rankings have plateaued despite ongoing SEO. Audit identifies what’s missing.
• You’ve inherited a site (acquisition, new role). Audit shows you what you actually own.
• You suspect a manual action or algorithmic penalty. Audit confirms and identifies cause.

If none of these apply and your SEO is working — skip the audit. Spend the money on actual SEO execution.

What a £600 UK SEO audit should include

At the SME tier, expect:

Technical SEO

• Crawlability: can Google reach every important page?
• Indexation: which pages are indexed; which should be but aren’t; which are but shouldn’t be
• Sitemap and robots.txt review
• Page speed and Core Web Vitals across key page templates
• Mobile usability
• HTTPS and security
• Schema markup audit
• Internal linking structure
• URL structure and canonicalisation

On-page SEO

• Meta titles and descriptions on top 20–30 pages
• H1 and heading hierarchy
• Keyword targeting alignment
• Content depth vs ranking pages
• Image optimisation (alt text, file size)

Content

• Top performing pages identification
• Underperforming pages identification
• Content gap analysis vs competitors
• Cannibalisation issues (multiple pages competing for same query)

Off-page

• Backlink profile overview
• Toxic link identification
• Anchor text distribution review
• Competitor link gap analysis

Local (if applicable)

• GBP optimisation status
• Citation consistency
• Review profile
• Local schema

Output

• Prioritised fix list (typically 30–80 items, ranked by impact and effort)
• Implementation roadmap (3-month or 6-month)
• Baseline metrics for tracking improvement

Red flags in UK SEO audit proposals

• £99 “comprehensive audit” — automated software output
• “Audit + implementation” bundled at suspiciously low total — usually means lots of generic recommendations and minimal action
• No mention of competitor analysis — audits in a vacuum miss strategic context
• No mention of content review — purely technical audits miss 60% of UK SEO opportunity
• Generic recommendations — “improve your meta descriptions” without specifying which pages and how
• No prioritisation — a 200-issue list with no rank order isn’t actionable
• Auditor won’t tell you which tools they use — transparent agencies will

DIY UK SEO audit alternatives

If budget is tight, you can do a reasonable DIY audit with free tools:

1. Google Search Console — 80% of what a paid audit covers, free. Look at: Coverage, Performance, Core Web Vitals, Mobile Usability, Manual Actions.
2. Microsoft Clarity — heatmaps and recordings reveal UX issues that affect SEO indirectly.
3. Screaming Frog (free up to 500 URLs) — technical crawl of your site.
4. PageSpeed Insights — Core Web Vitals on key pages.
5. Ahrefs Webmaster Tools (free for your own site) — backlink overview and basic on-page issues.
6. Manual competitor comparison — Google your top 10 keywords, study who ranks and what their pages look like.

Spending 6–10 hours on a DIY audit produces 60–70% of what a £600 audit delivers. The remaining 30–40% is the expertise of someone who’s audited hundreds of sites and recognises the patterns instantly.

What happens after an SEO audit

Three common paths after receiving an audit:

1. Self-implementation. You take the recommendations and do them yourself. Saves money on execution; requires time and discipline.
2. Pay the auditor to implement. They know the site already; less ramp-up cost. Usually leads to a retainer.
3. Hire someone else to implement. Cheaper auditors sometimes lack execution capacity; cheaper implementers don’t always understand the strategy.

The most common UK pattern: commission an audit from the agency you intend to retain. They have skin in the game from day one.

How often should you audit?

Once is rarely enough; annually is the typical cadence for active UK SMEs. Specifically:

• Initial audit: Before starting any new SEO engagement
• Quarterly health checks: Lighter reviews, not full audits, included in most retainers
• Annual deep audit: Full re-audit each year to catch drift and find new opportunities
• Triggered audits: After any significant change — algorithm update with impact, site migration, redesign, business pivot

What to do next

If you’ve never had a proper SEO audit and you’re spending money on SEO or considering it — commission one. The £600–£1,500 spend prevents £5,000+ of misdirected effort over the following year.

If you’ve already had a recent audit and are still implementing the recommendations — skip the next audit and finish the work first.

For the full UK SEO pricing landscape including audits, retainers, and project work, see our complete UK SEO cost guide.

The automated-PDF tell-tales — how to spot one after it arrives

The proposal red flags above help before you buy. But plenty of automated audits arrive convincingly dressed, so here are the tell-tales in the document itself:

• Page count sold as a feature. “90-page comprehensive report” usually means 85 pages of tool export. Real audits are shorter and denser.
• Issues counted, never weighed. “247 issues found” with no view on which three actually matter is software talking, not an SEO.
• No page on your site is named. A human auditor writes “your services page targets nothing and your two pricing posts compete with each other.” Software writes “some pages have duplicate titles.”
• Severity labels straight from the tool. The stock “critical / warning / notice” taxonomy left untouched means nobody re-judged severity for your business — a “critical” missing meta description on a thank-you page matters to nobody.
• Recommendations that fit any website. “Improve page speed” and “add alt text” could be pasted into any report. Look for the sentence that could only have been written about your site.
• No competitor named. Rankings are relative; an audit with no view of who you’re losing to is a health check, not an audit.

One nuance: automated output inside a real audit is fine — good auditors run the same tools. The tell is whether a human clearly sat between the tool and the recommendation.

Questions to ask before you pay

Five minutes of questions filters out most bad audits before any money moves:

1. “Who actually does the work?” A named person with an SEO history, or “our team”? You’re buying judgement, so you’re entitled to know whose.
2. “Can I see a redacted sample audit?” An agency proud of its audits shows one instantly. Read the sample against the tell-tales above.
3. “Which pages will you review by hand?” The honest answer is a number — 10, 20, 30 — not “all of them”, which nobody does manually at SME prices.
4. “How will the fixes be prioritised?” You want impact-versus-effort ranking, not a category list.
5. “Will you walk me through the findings on a call?” The walkthrough is where half the value lives; auditors who won’t present their findings often can’t defend them.

And one question to ask yourself first: is the platform sound enough for an audit to matter? Server-level speed problems mean the first fix is often a hosting-tier move rather than SEO work — our website management and hosting service covers what that looks like.

Sources & Further Reading

• SEO Starter Guide — Google Search Central
• Learn SEO — web.dev
• Search Console Help — Google
• Core Web Vitals — web.dev