Ontologist Job Trends in London

Ontologist
England > London

The median Ontologist salary in London is £65,000 per year, according to job vacancies posted during the 6 months leading to 16 August 2026.

The table below compares current salary benchmarking and summary statistics with the previous two years.

6 months to
16 Aug 2026
Same period 2025 Same period 2024
Rank 437 - -
Rank change year-on-year - - -
Permanent jobs requiring an Ontologist 3 0 0
As % of all permanent jobs in London 0.013% - -
As % of the Job Titles category 0.013% - -
Number of salaries quoted 1 0 0
10th Percentile - - -
25th Percentile £62,500 - -
Median annual salary (50th Percentile) £65,000 - -
75th Percentile £67,500 - -
90th Percentile - - -
England median annual salary £65,000 - -

All Permanent IT Job Roles
London

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in London. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of permanent jobs in our overall sample.

Permanent vacancies in London with a recognized job title 22,228 11,165 18,517
% of permanent jobs with a recognized job title 92.86% 91.64% 95.14%
Number of salaries quoted 15,202 7,263 12,732
10th Percentile £40,000 £38,750 £40,000
25th Percentile £55,000 £52,500 £51,250
Median annual salary (50th Percentile) £75,000 £72,500 £71,000
Median % change year-on-year +3.45% +2.11% -2.07%
75th Percentile £95,000 £96,250 £95,000
90th Percentile £100,000 £120,000 £118,750
England median annual salary £57,500 £55,000 £55,000
% change year-on-year +4.55% - -8.33%

Ontologist
Job Vacancy Trend in London

Historical trend showing the proportion of permanent IT job postings featuring 'Ontologist' in the job title relative to all permanent IT jobs advertised in London.

Ontologist job vacancy trend in London

Ontologist
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Ontologist within the London region over the 6 months to 16 August 2026. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Central London - 1 - -
Ontologist
England

Ontologist Skill Set
Top 28 Co-Occurring Skills & Capabilities in London

For the 6 months to 16 August 2026, Ontologist job roles required the following skills and capabilities in order of popularity. The figures indicate the absolute number of co-occurrences and as a proportion of all permanent job ads across the London region featuring Ontologist in the job title.

1 3 (100.00%) AI
1 3 (100.00%) Analytics
1 3 (100.00%) Ontologies
1 3 (100.00%) RDF
1 3 (100.00%) SPARQL
2 2 (66.67%) CI/CD
2 2 (66.67%) Data Architecture
2 2 (66.67%) Data Modelling
2 2 (66.67%) Git
2 2 (66.67%) GitHub
2 2 (66.67%) Metadata
2 2 (66.67%) Stardog
3 1 (33.33%) API Integration
3 1 (33.33%) Continuous Improvement
3 1 (33.33%) Data Engineering
3 1 (33.33%) Data Governance
3 1 (33.33%) Data Lineage
3 1 (33.33%) Digital Transformation Programme
3 1 (33.33%) Dublin Core
3 1 (33.33%) Fraud Detection
3 1 (33.33%) Impact Analysis
3 1 (33.33%) JSON
3 1 (33.33%) JSON-LD
3 1 (33.33%) Knowledge Management
3 1 (33.33%) Master Data Management
3 1 (33.33%) Root Cause Analysis
3 1 (33.33%) Translating Business Requirements
3 1 (33.33%) XML

Ontologist Skill Set
Co-Occurring Skills & Capabilities in 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:

Cloud Services
1 2 (66.67%) GitHub
Database & Business Intelligence
1 2 (66.67%) Metadata
1 2 (66.67%) Stardog
Development Applications
1 2 (66.67%) Git
General
1 1 (33.33%) Analytical Skills
1 1 (33.33%) Finance
1 1 (33.33%) General Ledger
Libraries, Frameworks & Software Standards
1 1 (33.33%) JSON
1 1 (33.33%) JSON-LD
1 1 (33.33%) XML
Miscellaneous
1 3 (100.00%) Taxonomies
2 2 (66.67%) Linked Data
2 2 (66.67%) Reinsurance
3 1 (33.33%) Analytical Mindset
Processes & Methodologies
1 3 (100.00%) AI
1 3 (100.00%) Analytics
1 3 (100.00%) Ontologies
1 3 (100.00%) RDF
2 2 (66.67%) CI/CD
2 2 (66.67%) Data Architecture
2 2 (66.67%) Data Modelling
3 1 (33.33%) API Integration
3 1 (33.33%) Continuous Improvement
3 1 (33.33%) Data Engineering
3 1 (33.33%) Data Governance
3 1 (33.33%) Data Lineage
3 1 (33.33%) Digital Transformation Programme
3 1 (33.33%) Fraud Detection
3 1 (33.33%) Impact Analysis
3 1 (33.33%) Knowledge Management
3 1 (33.33%) Master Data Management
3 1 (33.33%) Root Cause Analysis
3 1 (33.33%) Translating Business Requirements
Programming Languages
1 3 (100.00%) SPARQL
Quality Assurance & Compliance
1 1 (33.33%) Dublin Core