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Fire door contractors: Fire Door Certification Register

The Fire Door Certification Register carries 2 published figures read from 2 sources' own pages, from 33 to 62 companies, read 12 September 2026.

DoorsetBook sells its own paid plan in this category (our pricing). It is not counted here: every figure in this index is another provider's own published price, read from its own page.

33 to 62 companies Range of the published figures 2 published figures, not one market: read the rows
2 Sources with a figure of 17 read in full, 5 Oct 2026
2 of 17 Sources read that publish one 12% publish a figure at all
  1. Find Fire Door Inspector: FIRAS certified inspectors62 companies
  2. Find Fire Door Inspector: IFC certified inspectors33 companies
One figure per source, highest first.
Table view
RowValue
Find Fire Door Inspector: FIRAS certified inspectors62 companies
Find Fire Door Inspector: IFC certified inspectors33 companies

2 of the 17 named sources read in full publish a figure; 15 publish none, read 12 September 2026.

By scheme

BreakdownMedianRangeSources
schemeFIRAS certified fire door inspectors62companies62 to 62companies1
schemeIFC certified fire door inspectors33companies33 to 33companies1

Every figure, with its source

One row per source: the figure the source's own page publishes, the page, and the day it was read. A figure that is not on a page we read is not on this one.

SourceFigureBreakdownRead
Find Fire Door Inspector: FIRAS certified inspectors62companiesFIRAS certified fire door inspectors2026-09-12
Find Fire Door Inspector: IFC certified inspectors33companiesIFC certified fire door inspectors2026-09-12
The sentence each figure was read from (2)

Read in full, publishes no figure

15 named sources were read in full on the dates shown and print no usable figure. They are counted, never filled in.

Methodology

Every row is a verbatim sentence read from the named source's own page through our fetch service on the date shown, hash-pinned to the stored read (the sha of the page's visible text; the raw page is mirrored to R2).

2 of the 17 named sources that could be read published a usable figure; 15 published none and are recorded as not published, never filled in; 0 could not be read (blocked, dead or unreachable) and count nowhere.

The headline figures (median, minimum, maximum, quartiles) are over ONE figure per source in companies (a source's median where its page yielded several accepted sentences), so N counts sources, never sentences; 10 candidate sentence(s) were refused by a reviewer with the reason recorded.

The fuller derivation this dataset is chartered to grow into (not yet what the figures above are; they are each source's own published figure as read): one row per company per scheme: certification body, scheme (manufacture, installation, maintenance, inspection), certificate number, scope, region covered and the date the certificate was read.

The derived figures nobody publishes: how many companies hold each scheme, how many hold more than one, how many hold a scheme covering the WHOLE chain from factory to inspection, and the count per region - so 'fire door installers' in a place has an answer sourced from a register rather than from an advertising directory.

10 candidate sentences on these pages were refused by a reviewer; each refusal and its reason is recorded in the review ledger.

Sources (17)
Cite or embed this figure

Cite or embed this figure

The Fire Door Certification Register carries 2 published figures read from 2 sources' own pages, from 33 to 62 companies, read 12 September 2026.

2 of the 17 named sources read in full publish a figure; 15 publish none, read 12 September 2026.

Fire Door Certification Register, scheme FIRAS certified fire door inspectors: median 62 companies across 1 source, read 12 September 2026.

Fire Door Certification Register, scheme IFC certified fire door inspectors: median 33 companies across 1 source, read 12 September 2026.

Cite as: "DoorsetBook Fire Door Certification Register", updated 2026-10-05, https://doorsetbook.com/datasets/fire-door-certification-register/.

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33 to 62 companies

2 published figures, Fire Door Certification Register, across 2 sources, read 12 September 2026

Source: DoorsetBook Fire Door Certification Register

Download the CSV (2 rows, computed 2026-10-05)

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