WordPress plugins Used by UK Labour Supply Companies: Market Share (2026)
Detected WordPress plugin market share across 488 of 10,558 trading UK labour supply companies, with Site Kit ahead on 26.2% of detections.
Among 10,558 trading UK labour supply companies, 488 have a detectable WordPress plugin footprint, spread across 22 plugins. Site Kit has the largest named share at 26.2% (128 companies), followed by Essential Addons for Elementor at 17.4% (85 companies) and Max Mega Menu at 10.7% (52 companies).
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Usage is not just a micro-employer pattern. Site Kit is first in each employee band: Under 10 employees at 23.7% of 228 companies, 10–50 employees at 28.6% of 189 companies, and Over 50 employees at 28.2% of 71 companies.
After the first three, the market becomes fragmented: Smush has 9.4% (46 companies), Jetpack 7.6% (37 companies), EWWW Image Optimizer 6.4% (31 companies), Breadcrumb NavXT 4.7% (23 companies), and JetEngine 4.5% (22 companies). A further 14 plugins cover 94 companies between them.
488
labour supply with detected WordPress plugins
Of 10,558 UK labour supply
4.6%
Detection rate
2026
22
Systems detected
In this category
26.2%
Leader share
Site Kit
UK Labour Supply WordPress plugins market share
Share of the 488 UK Labour Supply with a detectable system. As of June 2026.
WordPress plugins compared
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 WordPress plugins system shifts with company size: among UK Labour Supply with under 10 employees, Site Kit leads at 23.7% of the 228 with a detectable system; among UK Labour Supply with 10–50 employees, Site Kit leads at 28.6% of the 189 with a detectable system; and among UK Labour Supply with over 50 employees, Site Kit leads at 28.2% of the 71 with a detectable system.
Under 10 employees
23.7% of band
Under-10-employee labour suppliers account for 228 companies with a detectable plugin, with Site Kit on 23.7% of the band. Most smaller employers therefore sit outside the largest plugin, within a 22-plugin market overall.
10–50 employees
28.6% of band
Labour suppliers with 10–50 employees account for 189 companies with a detectable plugin, and Site Kit takes 28.6%. The remaining share is divided among other plugins in the 22-plugin field.
Over 50 employees
28.2% of band
Employers above 50 staff account for 71 companies with a detectable plugin, the smallest of the three bands. Site Kit is still first at 28.2%, close to its 28.6% share in the 10–50 employee band.
How WordPress plugins 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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UK Labour Supply by WordPress plugins
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Frequently asked questions
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