The table below looks at the prevalence of the term AS400 in contract job vacancies in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that cited AS400 over the 6 months leading up to 2 May 2025, comparing them to the same period in the previous two years.
6 months to 2 May 2025
Same period 2024
Same period 2023
Rank
116
-
166
Rank change year-on-year
-
-
+21
Contract jobs citing AS400
3
0
6
As % of all contract jobs advertised in the City of London
AS400 falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring generic IT skills in the City of London.
Contract vacancies with a requirement for generic IT skills
611
673
1,295
As % of all contract IT jobs advertised in the City of London
34.78%
30.63%
35.62%
Number of daily rates quoted
385
460
882
10th Percentile
£363
£274
£350
25th Percentile
£475
£423
£499
Median daily rate (50th Percentile)
£593
£575
£625
Median % change year-on-year
+3.04%
-8.00%
+8.70%
75th Percentile
£700
£700
£750
90th Percentile
£806
£850
£856
Central London median daily rate
£575
£575
£613
% change year-on-year
-
-6.12%
+6.52%
Number of hourly rates quoted
3
7
12
10th Percentile
£23.80
£12.75
£16.97
25th Percentile
£26.50
£14.38
£31.31
Median hourly rate
£31.00
£23.00
£43.25
Median % change year-on-year
+34.78%
-46.82%
-9.90%
75th Percentile
£65.50
£27.25
£88.30
90th Percentile
£86.20
£36.60
-
Central London median hourly rate
£29.07
£23.00
£35.00
% change year-on-year
+26.39%
-34.29%
-27.08%
AS400 Job Vacancy Trend in the City of London
Job postings citing AS400 as a proportion of all IT jobs advertised in the City of London.
AS400 Contractor Daily Rate Trend in the City of London
3-month moving average daily rate quoted in jobs citing AS400 in the City of London.
AS400 Contractor Hourly Rate Trend in the City of London
3-month moving average hourly rates quoted in jobs citing AS400 in the City of London.
AS400 Top 24 Co-occurring Skills and Capabilities in the City of London
For the 6 months to 2 May 2025, contractor job vacancies citing AS400 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 City of London region with a requirement for AS400.
AS400 Co-occurring Skills and Capabilities in the City of 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:
