The table below provides summary statistics for contract job vacancies advertised in London requiring CatOS skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited CatOS over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.
CatOS falls under the Operating Systems category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring operating system skills in London.
Contract vacancies with a requirement for operating system skills
1,502
2,117
3,859
As % of all contract IT jobs advertised in London
11.97%
11.87%
14.28%
Number of daily rates quoted
1,043
1,510
2,826
10th Percentile
£250
£200
£213
25th Percentile
£375
£325
£406
Median daily rate (50th Percentile)
£500
£500
£550
Median % change year-on-year
-
-9.09%
-
75th Percentile
£641
£629
£675
90th Percentile
£750
£750
£764
England median daily rate
£475
£463
£513
% change year-on-year
+2.70%
-9.76%
+2.50%
Number of hourly rates quoted
18
69
61
10th Percentile
£17.72
£15.30
£18.93
25th Percentile
£21.89
£18.93
£22.63
Median hourly rate
£24.66
£22.00
£37.34
Median % change year-on-year
+12.09%
-41.08%
+52.41%
75th Percentile
£32.75
£33.75
£64.50
90th Percentile
£53.80
£60.00
£75.00
England median hourly rate
£24.18
£22.00
£38.00
% change year-on-year
+9.91%
-42.11%
+76.74%
CatOS Job Vacancy Trend in London
Job postings citing CatOS as a proportion of all IT jobs advertised in London.
CatOS Contractor Daily Rate Trend in London
3-month moving average daily rate quoted in jobs citing CatOS in London.
CatOS Contractor Hourly Rate Trend in London
3-month moving average hourly rates quoted in jobs citing CatOS in London.
CatOS Top 29 Co-occurring Skills and Capabilities in London
For the 6 months to 1 May 2025, contractor job vacancies citing CatOS also mentioned the following skills and capabilities in order of popularity.
The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the London region with a requirement for CatOS.
CatOS Co-occurring Skills and Capabilities in London by Category
The follow tables expand on the table above by listing co-occurrences grouped by category.
The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:
