Ontologies Contract Job Trends in the City of London

Ontology
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring Ontologies skills. It covers contract job vacancies from the 6 months leading up to 7 February 2026, with comparisons to the same periods in the previous two years.

6 months to
7 Feb 2026
Same period 2025 Same period 2024
Rank 125 - 128
Rank change year-on-year - - +57
Contract jobs citing Ontologies 1 0 1
As % of all contract jobs in the City of London 0.053% - 0.042%
As % of the Processes & Methodologies category 0.060% - 0.047%
Number of daily rates quoted 1 0 1
10th Percentile - - -
25th Percentile £623 - £688
Median daily rate (50th Percentile) £645 - £725
Median % change year-on-year - - -27.50%
75th Percentile £668 - £763
90th Percentile - - -
Central London median daily rate £645 - £725
% change year-on-year - - -27.50%

All Process & Methodology Skills
City of London

Ontologies 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 1,671 1,697 2,148
As % of all contract IT jobs advertised in the City of London 88.84% 91.48% 89.43%
Number of daily rates quoted 1,160 1,014 1,533
10th Percentile £350 £363 £350
25th Percentile £428 £463 £459
Median daily rate (50th Percentile) £530 £575 £570
Median % change year-on-year -7.83% +0.88% -4.20%
75th Percentile £675 £679 £688
90th Percentile £775 £779 £800
Central London median daily rate £540 £575 £563
% change year-on-year -6.09% +2.22% -3.05%
Number of hourly rates quoted 18 8 14
10th Percentile £20.06 £22.00 £17.00
25th Percentile £22.06 £28.94 £19.18
Median hourly rate £31.00 £40.50 £31.50
Median % change year-on-year -23.46% +28.57% -6.67%
75th Percentile £42.65 £64.56 £45.06
90th Percentile £52.64 £112.00 £66.70
Central London median hourly rate £26.11 £35.00 £27.81
% change year-on-year -25.40% +25.85% -4.10%

Ontologies
Job Vacancy Trend in the City of London

Historical trend showing the proportion of contract IT job postings citing Ontologies relative to all contract IT jobs advertised in the City of London.

Ontologies job vacancy trend in the City of London

Ontologies
Daily Rate Trend in the City of London

Contractor daily rate distribution trend for jobs in the City of London citing Ontologies.

Contractor daily rate distribution trend for jobs in the City of London citing Ontologies

Ontologies
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:

Application Platforms
1 1 (100.00%) Confluence
Development Applications
1 1 (100.00%) JIRA
Job Titles
1 1 (100.00%) Project Manager
Miscellaneous
1 1 (100.00%) Taxonomies
Processes & Methodologies
1 1 (100.00%) Agile
1 1 (100.00%) Biomedicine
1 1 (100.00%) Data Engineering
1 1 (100.00%) Data Pipeline
1 1 (100.00%) Data Science
1 1 (100.00%) Event-Driven
1 1 (100.00%) Machine Learning
1 1 (100.00%) Project Delivery
1 1 (100.00%) Project Management
1 1 (100.00%) Roadmaps
1 1 (100.00%) Stakeholder Engagement
Vendors
1 1 (100.00%) Microsoft