Service Integration and Management (SIAM) Central London> City of London
The table below provides summary statistics for permanent job vacancies advertised in the City of London requiring SIAM skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited SIAM over the 6 months leading up to 20 July 2025, comparing them to the same period in the previous two years.
6 months to 20 Jul 2025
Same period 2024
Same period 2023
Rank
140
-
220
Rank change year-on-year
-
-
+88
Permanent jobs citing SIAM
1
0
3
As % of all permanent jobs advertised in the City of London
SIAM falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills in the City of London.
Permanent vacancies with a requirement for process or methodology skills
1,857
2,915
4,140
As % of all permanent jobs advertised in the City of London
95.97%
92.01%
95.19%
Number of salaries quoted
1,416
2,246
3,397
10th Percentile
£41,250
£41,250
£44,800
25th Percentile
£55,000
£54,000
£56,250
Median annual salary (50th Percentile)
£75,000
£75,000
£75,000
Median % change year-on-year
-
-
+3.45%
75th Percentile
£97,500
£95,000
£97,500
90th Percentile
£121,875
£113,125
£115,000
Central London median annual salary
£75,000
£72,500
£75,000
% change year-on-year
+3.45%
-3.33%
+3.45%
SIAM Job Vacancy Trend in the City of London
Job postings citing SIAM as a proportion of all IT jobs advertised in the City of London.
SIAM Salary Trend in the City of London
3-month moving average salary quoted in jobs citing SIAM in the City of London.
SIAM Top 14 Co-occurring Skills and Capabilities in the City of London
For the 6 months to 20 July 2025, job vacancies citing SIAM 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 permanent job ads across the City of London region with a requirement for SIAM.
SIAM 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:
