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Aggregate firm counts, company age, and careers-page coverage by sector and UK region —48 segments, each with at least 5 firms behind it. Data last checked against the registers 12 Oct 2026.
Whole database
74,406
Firms tracked
6.1
Median company age (years)
32.9%
Have a listed careers page (of 8,750 checked)
Sector mix
M&A / advisory
54,256
Asset & wealth mgmt
10,807
Quant / trading / fintech
8,488
PE / VC
3,290
Incorporation age
Under 2 years
19,693
2–5 years
12,840
5–10 years
19,137
10–20 years
16,513
20+ years
6,223
Careers pages that have genuinely changed are now tracked and published as they move — see hiring signals. There is not yet enough history behind it to plot a time series honestly, so it is a dated feed rather than a chart.
By segment
The same breakdown, sliced by sector and region — click through for the full detail.