Entity-Relationship Diagram (ER Diagram) Central London> City of London
The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring ERD skills. It covers contract job vacancies from the 6 months leading up to 2 December 2025, with comparisons to the same periods in the previous two years.
ERD falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring process or methodology skills in the City of London.
Contract vacancies with a requirement for process or methodology skills
1,646
1,948
2,387
As % of all contract IT jobs advertised in the City of London
92.32%
91.50%
89.64%
Number of daily rates quoted
1,151
1,199
1,690
10th Percentile
£339
£370
£363
25th Percentile
£421
£475
£463
Median daily rate (50th Percentile)
£550
£575
£575
Median % change year-on-year
-4.35%
-
-
75th Percentile
£675
£688
£690
90th Percentile
£756
£788
£813
Central London median daily rate
£550
£575
£575
% change year-on-year
-4.35%
-
-
Number of hourly rates quoted
18
17
13
10th Percentile
£20.06
£16.70
-
25th Percentile
£25.88
£22.00
£17.00
Median hourly rate
£34.00
£38.50
£25.00
Median % change year-on-year
-11.69%
+54.00%
-51.92%
75th Percentile
£52.19
£92.50
£46.75
90th Percentile
£63.75
£122.20
£69.60
Central London median hourly rate
£31.00
£35.00
£25.50
% change year-on-year
-11.43%
+37.25%
-50.00%
ERD Job Vacancy Trend in the City of London
Historical trend showing the proportion of contract IT job postings citing ERD relative to all contract IT jobs advertised in the City of London.
ERD Daily Rate Trend in the City of London
Contractor daily rate distribution trend for jobs in the City of London citing ERD.
ERD Top 18 Co-Occurring Skills & Capabilities in the City of London
For the 6 months to 2 December 2025, contractor job vacancies citing ERD also mentioned the following skills and capabilities in order of popularity.
The figures indicate the absolute number of co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for ERD.
ERD Co-Occurring Skills & Capabilities in the City of London by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:
