SEO Used by UK Data Analytics Companies: Market Share (2026)
Among 978 UK data analytics companies with a detectable SEO system, Yoast SEO accounts for 77.5% of detections, ahead of RankMath SEO at 13.2%.
Among 2,994 trading UK data analytics companies, 978 have a detectable SEO setup. Five SEO systems appear in that detectable group, with Yoast SEO accounting for 77.5% (758).
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RankMath SEO sits second at 13.2% (129), followed by All in One SEO at 7.2% (70). The smaller tail is narrow: The SEO Framework has 1.7% (17) and SEOmatic has 1.3% (13).
Yoast SEO holds the largest share in every employee band: 78.0% of 604 companies under 10 employees, 77.1% of 340 companies with 10–50 employees, and 73.5% of 34 companies over 50 employees.
969
data analytics with detected SEO
Of 2,968 UK data analytics
32.6%
Detection rate
2026
5
Systems detected
In this category
77.6%
Leader share
Yoast SEO
UK Data Analytics SEO market share
Share of the 969 UK Data Analytics with a detectable system. As of June 2026.
SEO compared
| System | UK Data Analytics | Share | Median headcount | London share | Typical profile |
|---|---|---|---|---|---|
| Yoast SEO | 752 | 77.6% | 6 | 39.4% | Median 6-person teams, 77.5% share |
| RankMath SEO | 127 | 13.1% | 8 | 37.8% | Median 8-person teams, 13.2% share |
| All in One SEO | 69 | 7.1% | 8 | 50.7% | Median 7-person teams, London-skewed usage |
| The SEO Framework | 17 | 1.8% | — | — | View these companies in Firmbase → |
| SEOmatic | 13 | 1.3% | — | — | 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
The leading SEO system shifts with company size: among UK Data Analytics with under 10 employees, Yoast SEO leads at 78.4% of the 602 with a detectable system; among UK Data Analytics with 10–50 employees, Yoast SEO leads at 76.6% of the 333 with a detectable system; and among UK Data Analytics with over 50 employees, Yoast SEO leads at 73.5% of the 34 with a detectable system.
Under 10 employees
78.4% of band
Among 604 companies under 10 employees, Yoast SEO accounts for 78.0%. RankMath SEO, All in One SEO, The SEO Framework and SEOmatic share the remaining usage.
10–50 employees
76.6% of band
Among 340 companies with 10–50 employees, Yoast SEO accounts for 77.1%. The band still has room for RankMath SEO and All in One SEO, but the smaller systems remain a tail.
Over 50 employees
73.5% of band
Among 34 companies over 50 employees, Yoast SEO accounts for 73.5%. Usage is more thinly distributed here because the band is much smaller than the sub-50 employee groups.
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.
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Frequently asked questions
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