SEO Used by UK B2C: Market Share (2026)
Across 23,862 UK B2C companies with a detectable SEO system, Yoast SEO leads with 77.3% share, ahead of RankMath SEO and All in One SEO.
Across 84,671 trading UK B2C companies, 23,862 have a detectable SEO system. Seven systems are detected, with Yoast SEO accounting for 77.3% (18,444) of detected usage, ahead of RankMath SEO at 12.4% (2,950) and All in One SEO at 9.2% (2,192).
Read more
Yoast SEO has the largest share in every employee band: 77.7% of 15,055 companies under 10 employees, 76.6% of 7,751 companies with 10–50 employees, and 75.9% of 1,056 companies over 50 employees. RankMath SEO and All in One SEO form the main alternatives across the detected market, rather than being confined to one size band.
The long tail is small but measurable. The SEO Framework accounts for 1.2% (282), SEOmatic for 0.6% (133), Google XML Sitemaps for 0.2% (59), and Spotzer for 0.2% (42).
23,862
B2C with detected SEO
Of 84,671 UK B2C
28.2%
Detection rate
2026
7
Systems detected
In this category
77.3%
Leader share
Yoast SEO
UK B2C SEO market share
Share of the 23,862 UK B2C with a detectable system. As of June 2026.
SEO compared
| System | UK B2C | Share | Median headcount | London share | Typical profile |
|---|---|---|---|---|---|
| Yoast SEO | 18,444 | 77.3% | 7 | 16.2% | Median 7-headcount firms, 77.3% share |
| RankMath SEO | 2,950 | 12.4% | 8 | 16.9% | Median 8-headcount firms, 12.4% share |
| All in One SEO | 2,192 | 9.2% | 7 | 19.7% | Median 7-headcount firms, 9.2% share |
| The SEO Framework | 282 | 1.2% | 7 | 14.9% | Median 7-headcount firms, 1.2% share |
| SEOmatic | 133 | 0.6% | 6 | 20.3% | Median 6-headcount firms, 0.6% share |
| Google XML Sitemaps | 59 | 0.2% | 6 | 22% | Median 6-headcount firms, 0.2% share |
| Spotzer | 42 | 0.2% | — | — | View these companies in Firmbase → |
Systems detected below the page threshold appear with counts only; their full lists are available in the Firmbase app.
Market leader by size
Under 10 employees
77.7% of band
This is the largest band, with 15,055 detected companies. Yoast SEO accounts for 77.7%, leaving the remaining share split across RankMath SEO, All in One SEO and a small long tail.
10–50 employees
76.6% of band
This band contains 7,751 detected companies, with Yoast SEO at 76.6%. RankMath SEO and All in One SEO remain the main alternatives, while the smaller systems have limited share.
Over 50 employees
75.9% of band
This is the smallest band, with 1,056 detected companies. Yoast SEO still has the largest share at 75.9%, so larger UK B2C companies do not show a separate dominant SEO stack.
How SEO usage is detected
Company data
Detected companies are joined to UK Companies House records and XBRL accounts data. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Detection
Firmbase crawls the public website of actively-trading UK companies and fingerprints the technologies present: tracking scripts, embedded forms, chat widgets, CMS markers and similar signatures. A company is included in this list when one or more of the technology's signatures are found on its site; closely-related variants of the same product are grouped under one name. Detection covers what is visible on the public web — a company using the technology purely internally, with no website footprint, will not appear. Counts are therefore a conservative floor, not a ceiling.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
All product names are trademarks of their respective owners. Firmbase is not affiliated with, sponsored by, or endorsed by any trademark owner.
UK B2C by SEO
Related directories
Frequently asked questions
What is the most-used SEO among UK B2C companies?
How many UK B2C companies have a detectable SEO?
What is a SEO?
How is SEO usage detected?
Which has more UK B2C companies, Yoast SEO or RankMath SEO?
What is the best SEO for UK B2C companies?
Push these 23,862 companies into your pipeline.
Find the right decision-makers, see verified company data, and export your list in seconds.