Site search Used by UK B2C Companies: Market Share (2026)
Detected site search usage across 492 of 84,728 trading UK B2C companies, with Fast Simon ahead on 31.1% of detections.
Among 84,728 trading UK B2C companies, 492 have a detectable Site search system. Fast Simon has the largest detected share at 31.1% (153), followed by Ivory Search at 27.4% (135).
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The market changes by headcount band. Fast Simon is first among companies with Under 10 employees at 31.4% of 299 companies, and also first in the 10–50 employees band at 32.9% of 161 companies. Ivory Search moves ahead in the Over 50 employees band, with 40.6% of 32 companies.
Doofinder accounts for 13.2% (65) and Algolia for 11.2% (55), giving the mid-ranking systems a visible share of detected use. The smaller named group includes Klevu at 7.1% (35), Elasticsearch at 5.1% (25), ElasticSuite at 3.9% (19), Jetboost at 3.7% (18), plus 1 further system covering 10 companies.
492
B2C with detected Site search
Of 84,728 UK B2C
0.6%
Detection rate
2026
9
Systems detected
In this category
31.1%
Leader share
Fast Simon
UK B2C Site search market share
Share of the 492 UK B2C with a detectable system. As of June 2026.
Site search compared
| System | UK B2C | Share | Median headcount | London share | Typical profile |
|---|---|---|---|---|---|
| Fast Simon | 153 | 31.1% | 8 | 18.3% | Small teams, median headcount 8 |
| Ivory Search | 135 | 27.4% | 6 | 23% | Small teams, median headcount 6 |
| Doofinder | 65 | 13.2% | 9 | 15.4% | Small teams, median headcount 9 |
| Algolia | 55 | 11.2% | 6 | 21.8% | Small teams, median headcount 6 |
| Klevu | 35 | 7.1% | — | — | View these companies in Firmbase → |
| Elasticsearch | 25 | 5.1% | — | — | View these companies in Firmbase → |
| ElasticSuite | 19 | 3.9% | — | — | View these companies in Firmbase → |
| Jetboost | 18 | 3.7% | — | — | View these companies in Firmbase → |
| Coveo | 10 | 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
The leading Site search system shifts with company size: among UK B2C with under 10 employees, Fast Simon leads at 31.4% of the 299 with a detectable system; among UK B2C with 10–50 employees, Fast Simon leads at 32.9% of the 161 with a detectable system; and among UK B2C with over 50 employees, Ivory Search leads at 40.6% of the 32 with a detectable system.
Under 10 employees
31.4% of band
Under 10 employees is the largest detected band, with 299 companies. Fast Simon is first at 31.4%, with Ivory Search, Doofinder and Algolia also present in the small-company market.
10–50 employees
32.9% of band
10–50 employees covers 161 companies, where Fast Simon remains first at 32.9%. Competition still includes the same named systems, with Ivory Search, Doofinder and Algolia among the visible alternatives.
Over 50 employees
40.6% of band
Over 50 employees is a smaller band, with 32 companies. Ivory Search is first here at 40.6%, marking a different pattern from the two smaller headcount bands.
How Site search 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 B2C by Site search
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Frequently asked questions
What is the most-used Site search among UK B2C companies?
How many UK B2C companies have a detectable Site search?
What is a Site search?
How is Site search usage detected?
Which has more UK B2C companies, Fast Simon or Ivory Search?
What is the best Site search for UK B2C companies?
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