Reference Data Contract Job Trends in the City of London

Reference Data
Central London > City of London

The table below looks at the prevalence of the term Reference Data in contract job vacancies in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that cited Reference Data over the 6 months leading up to 20 December 2025, comparing them to the same period in the previous two years.

6 months to
20 Dec 2025
Same period 2024 Same period 2023
Rank 116 110 129
Rank change year-on-year -6 +19 +47
Contract jobs citing Reference Data 10 9 7
As % of all contract jobs in the City of London 0.55% 0.44% 0.28%
As % of the Miscellaneous category 1.43% 1.40% 0.87%
Number of daily rates quoted 8 7 4
10th Percentile £343 £589 -
25th Percentile £519 £643 £463
Median daily rate (50th Percentile) £661 £670 £535
Median % change year-on-year -1.38% +25.23% -12.01%
75th Percentile £709 £775 £642
90th Percentile £738 £815 £677
Central London median daily rate £661 £670 £595
% change year-on-year -1.38% +12.61% -8.46%

All Generic Skills
City of London

Reference Data 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 698 643 801
As % of all contract IT jobs advertised in the City of London 38.27% 31.12% 31.52%
Number of daily rates quoted 516 408 528
10th Percentile £350 £363 £300
25th Percentile £429 £475 £462
Median daily rate (50th Percentile) £550 £600 £600
Median % change year-on-year -8.33% - -
75th Percentile £688 £708 £721
90th Percentile £781 £833 £825
Central London median daily rate £550 £590 £600
% change year-on-year -6.78% -1.67% -
Number of hourly rates quoted 8 1 9
10th Percentile £18.97 - -
25th Percentile £20.56 £77.50 £17.00
Median hourly rate £27.75 £85.00 £25.00
Median % change year-on-year -67.35% +240.00% -47.09%
75th Percentile £37.44 £92.50 £36.50
90th Percentile £41.81 - £52.15
Central London median hourly rate £26.11 £55.40 £24.00
% change year-on-year -52.87% +130.81% -44.19%

Reference Data
Job Vacancy Trend in the City of London

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

Reference Data job vacancy trend in the City of London

Reference Data
Daily Rate Trend in the City of London

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

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

Reference Data
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Reference Data in the City of London over the 6 months to 20 December 2025.

Daily rate histogram for Reference Data in the City of London

Reference Data
Hourly Rate Trend in the City of London

Contractor hourly rate distribution trend for jobs in the City of London citing Reference Data.

Contractor hourly rate distribution trend for jobs in the City of London citing Reference Data

Reference Data
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 (10.00%) Confluence
Business Applications
1 3 (30.00%) Sparx Enterprise Architect
2 1 (10.00%) Orchestrade
2 1 (10.00%) SAP S/4HANA
Cloud Services
1 2 (20.00%) Azure
1 2 (20.00%) Power Platform
2 1 (10.00%) AWS
2 1 (10.00%) dbt
2 1 (10.00%) GCP
2 1 (10.00%) Snowflake
Database & Business Intelligence
1 4 (40.00%) Metadata
2 2 (20.00%) Power BI
2 2 (20.00%) RDBMS
2 2 (20.00%) Relational Database
3 1 (10.00%) Metadata Repository
Development Applications
1 3 (30.00%) ERwin
2 2 (20.00%) ER Studio
3 1 (10.00%) Postman
3 1 (10.00%) PowerDesigner
General
1 5 (50.00%) Finance
2 3 (30.00%) Social Skills
3 2 (20.00%) Analytical Skills
4 1 (10.00%) Back Office
4 1 (10.00%) Front Office
4 1 (10.00%) Pharmaceutical
4 1 (10.00%) Retail
Job Titles
1 3 (30.00%) Data Modeller
2 2 (20.00%) Lead
3 1 (10.00%) Analyst
3 1 (10.00%) Architect
3 1 (10.00%) C++ Software Engineer
3 1 (10.00%) Data Analyst
3 1 (10.00%) Data Architect
3 1 (10.00%) Data Migration Lead
3 1 (10.00%) Developer
3 1 (10.00%) Reference Data Analyst
3 1 (10.00%) Snowflake Architect
3 1 (10.00%) Software Engineer
3 1 (10.00%) Team Leader
Libraries, Frameworks & Software Standards
1 3 (30.00%) JSON
1 3 (30.00%) XML
2 1 (10.00%) .NET
2 1 (10.00%) FIX Protocol
Miscellaneous
1 2 (20.00%) Greenfield Project
2 1 (10.00%) Derivative
2 1 (10.00%) Life Science
2 1 (10.00%) Onboarding
2 1 (10.00%) Reinsurance
Operating Systems
1 1 (10.00%) Linux
Processes & Methodologies
1 5 (50.00%) Data Modelling
2 4 (40.00%) Analytics
2 4 (40.00%) Data Governance
2 4 (40.00%) Logical Data Model
2 4 (40.00%) Metadata Management
3 3 (30.00%) Conceptual Models
3 3 (30.00%) Data Design
3 3 (30.00%) Data Management
3 3 (30.00%) Data Migration
3 3 (30.00%) Migration
4 2 (20.00%) Business Intelligence
4 2 (20.00%) DAMA
4 2 (20.00%) Data Lineage
4 2 (20.00%) Data Strategy
4 2 (20.00%) ERD
4 2 (20.00%) Problem-Solving
4 2 (20.00%) Stakeholder Management
4 2 (20.00%) TOGAF
4 2 (20.00%) UML
4 2 (20.00%) Workshop Facilitation
Programming Languages
1 4 (40.00%) SQL
2 2 (20.00%) Python
3 1 (10.00%) C#
3 1 (10.00%) C++
Qualifications
1 1 (10.00%) TOGAF Certification
Quality Assurance & Compliance
1 2 (20.00%) Data Quality
Vendors
1 3 (30.00%) Sparx
2 1 (10.00%) Alteryx
2 1 (10.00%) Databricks
2 1 (10.00%) Murex
2 1 (10.00%) SAP