Reference Data Contracts in London

Reference Data
England > London

The table below looks at the prevalence of the term Reference Data in contract job vacancies in London. Included is a benchmarking guide to the contractor rates offered in vacancies that cited Reference Data over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 287 319 391
Rank change year-on-year +32 +72 +66
Contract jobs citing Reference Data 66 72 102
As % of all contract jobs advertised in London 0.53% 0.40% 0.38%
As % of the Miscellaneous category 1.46% 1.22% 1.05%
Number of daily rates quoted 35 54 83
10th Percentile £452 £436 £430
25th Percentile £537 £553 £521
Median daily rate (50th Percentile) £670 £713 £638
Median % change year-on-year -5.96% +11.76% +6.25%
75th Percentile £750 £925 £749
90th Percentile £890 - £845
England median daily rate £650 £650 £625
% change year-on-year - +4.00% +4.17%

All Generic Skills
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 London.

Contract vacancies with a requirement for generic IT skills 4,516 5,909 9,701
As % of all contract IT jobs advertised in London 35.99% 33.14% 35.89%
Number of daily rates quoted 3,054 4,182 6,966
10th Percentile £325 £301 £375
25th Percentile £451 £450 £500
Median daily rate (50th Percentile) £575 £583 £600
Median % change year-on-year -1.29% -2.92% -
75th Percentile £738 £725 £750
90th Percentile £850 £850 £838
England median daily rate £548 £550 £575
% change year-on-year -0.36% -4.35% +4.55%
Number of hourly rates quoted 74 160 109
10th Percentile £15.84 £15.50 £18.93
25th Percentile £22.60 £18.93 £21.24
Median hourly rate £34.50 £26.00 £35.00
Median % change year-on-year +32.69% -25.71% -21.35%
75th Percentile £50.31 £47.81 £64.50
90th Percentile £80.05 £66.78 £83.15
England median hourly rate £33.00 £30.16 £22.50
% change year-on-year +9.42% +34.04% -16.67%

Reference Data
Job Vacancy Trend in London

Job postings citing Reference Data as a proportion of all IT jobs advertised in London.

Job vacancy trend for Reference Data in London

Reference Data
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Reference Data in London.

Daily rate trend for Reference Data in London

Reference Data
Daily Rate Histogram in London

Daily rate distribution for jobs citing Reference Data in London over the 6 months to 1 May 2025.

Daily rate histogram for Reference Data in London

Reference Data
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Reference Data in London.

Hourly rate trend for Reference Data in London

Reference Data
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Reference Data within the London region over the 6 months to 1 May 2025. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Central London +16 20 £640 -28.86% 1
Reference Data
England

Reference Data
Co-occurring Skills and Capabilities in 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:

Application Platforms
1 7 (10.61%) Apache
1 7 (10.61%) Apache Spark
2 6 (9.09%) Jupyter
3 5 (7.58%) SAS
4 3 (4.55%) Confluence
5 1 (1.52%) IBM HTTP Server
Applications
1 8 (12.12%) Microsoft Excel
2 3 (4.55%) Microsoft Office
2 3 (4.55%) Microsoft PowerPoint
2 3 (4.55%) Microsoft Project
2 3 (4.55%) MS Visio
Business Applications
1 8 (12.12%) SAP S/4HANA
2 5 (7.58%) SAP MDG
2 5 (7.58%) SAP MDG-S
3 3 (4.55%) Sparx Enterprise Architect
4 2 (3.03%) SAP Oil and Gas
5 1 (1.52%) Fidessa
Cloud Services
1 18 (27.27%) Azure
2 12 (18.18%) Power Platform
3 9 (13.64%) AWS
4 6 (9.09%) Collibra
5 4 (6.06%) GCP
6 3 (4.55%) Snowflake
7 1 (1.52%) Azure DevOps
7 1 (1.52%) Microsoft Purview
Communications & Networking
1 6 (9.09%) SSH
2 1 (1.52%) FTP
Database & Business Intelligence
1 11 (16.67%) Data Warehouse
1 11 (16.67%) Metadata
1 11 (16.67%) Power BI
2 10 (15.15%) SQL Server
3 7 (10.61%) Apache Hive
3 7 (10.61%) Azure SQL Database
3 7 (10.61%) Delta Lake
4 5 (7.58%) SAP HANA
5 4 (6.06%) Data Mining
5 4 (6.06%) DB2
5 4 (6.06%) Oracle Database
5 4 (6.06%) QlikView
5 4 (6.06%) Tableau
6 2 (3.03%) Data Lake
6 2 (3.03%) OLTP
6 2 (3.03%) Oracle Exadata
7 1 (1.52%) Big Data
7 1 (1.52%) Enterprise Data Warehouse
7 1 (1.52%) Hadoop
7 1 (1.52%) SQL Server Reporting Services
Development Applications
1 13 (19.70%) JIRA
2 8 (12.12%) Git
3 6 (9.09%) RStudio
4 3 (4.55%) ERwin
5 2 (3.03%) ER Studio
6 1 (1.52%) Jenkins
6 1 (1.52%) Liquibase
6 1 (1.52%) Visual Studio
General
1 33 (50.00%) Finance
2 27 (40.91%) Banking
3 22 (33.33%) Analytical Skills
4 16 (24.24%) Social Skills
5 8 (12.12%) Presentation Skills
6 6 (9.09%) Investment Banking
7 5 (7.58%) Back Office
7 5 (7.58%) Public Sector
8 3 (4.55%) Front Office
8 3 (4.55%) Influencing Skills
8 3 (4.55%) Pharmaceutical
9 1 (1.52%) Inclusion and Diversity
9 1 (1.52%) Legal
9 1 (1.52%) Marketing
Job Titles
1 19 (28.79%) Analyst
2 15 (22.73%) Architect
3 10 (15.15%) Data Analyst
3 10 (15.15%) Developer
4 9 (13.64%) Data Engineer
5 8 (12.12%) Business Analyst
5 8 (12.12%) Data Architect
6 7 (10.61%) Database Developer
6 7 (10.61%) SQL Database Developer
6 7 (10.61%) SQL Developer
7 6 (9.09%) Project Manager
8 5 (7.58%) Fund Data Analyst
8 5 (7.58%) Solutions Architect
8 5 (7.58%) SQL Analyst
8 5 (7.58%) SQL Data Analyst
9 4 (6.06%) Banking Analyst
9 4 (6.06%) Data Modeller
9 4 (6.06%) Database Analyst
9 4 (6.06%) Migration Architect
9 4 (6.06%) Performance Analyst
Libraries, Frameworks & Software Standards
1 8 (12.12%) JSON
1 8 (12.12%) PySpark
2 7 (10.61%) pydantic
2 7 (10.61%) YAML
3 1 (1.52%) .NET
3 1 (1.52%) ASP.NET
3 1 (1.52%) ASP.NET MVC
3 1 (1.52%) Flask
3 1 (1.52%) FpML
3 1 (1.52%) Kafka
3 1 (1.52%) LDAP
3 1 (1.52%) Motif
3 1 (1.52%) React
3 1 (1.52%) REST
3 1 (1.52%) Web Services
3 1 (1.52%) XML
Miscellaneous
1 12 (18.18%) Data Structures
1 12 (18.18%) Hedge funds
2 8 (12.12%) Linux Command Line
3 5 (7.58%) Data Protection Act
3 5 (7.58%) Legacy Systems
4 4 (6.06%) Virtual Team
5 3 (4.55%) Credit Risk
5 3 (4.55%) Equities
5 3 (4.55%) PMI
5 3 (4.55%) Self-Motivation
5 3 (4.55%) Taxonomies
6 2 (3.03%) Derivative
6 2 (3.03%) Foreign Exchange (FX)
7 1 (1.52%) Data Centre
7 1 (1.52%) Equity Derivative
7 1 (1.52%) Fixed Income
7 1 (1.52%) Market Risk
7 1 (1.52%) Onboarding
7 1 (1.52%) Product Ownership
Operating Systems
1 7 (10.61%) Linux
2 2 (3.03%) Unix
Processes & Methodologies
1 23 (34.85%) Data Governance
2 20 (30.30%) Problem-Solving
3 18 (27.27%) Data Architecture
3 18 (27.27%) Data Management
4 17 (25.76%) Agile
5 15 (22.73%) Reference Data Management
6 14 (21.21%) Data Modelling
7 13 (19.70%) Migration
8 12 (18.18%) Data Analysis
9 11 (16.67%) Analytics
9 11 (16.67%) Master Data Management
10 10 (15.15%) Roadmaps
11 9 (13.64%) Data Pipeline
11 9 (13.64%) Data Security
12 8 (12.12%) Project Management
13 7 (10.61%) Data Ingestion
13 7 (10.61%) Scaled Agile Framework
13 7 (10.61%) Scrum
14 6 (9.09%) Metadata Management
14 6 (9.09%) Waterfall
Programming Languages
1 34 (51.52%) SQL
2 20 (30.30%) Python
3 8 (12.12%) Scala
4 7 (10.61%) Bash
5 2 (3.03%) C++
6 1 (1.52%) C
6 1 (1.52%) C#
6 1 (1.52%) PL/SQL
6 1 (1.52%) PowerShell
6 1 (1.52%) Ruby
6 1 (1.52%) SPARQL
6 1 (1.52%) T-SQL
Qualifications
1 12 (18.18%) Degree
2 9 (13.64%) Security Cleared
3 8 (12.12%) SC Cleared
4 5 (7.58%) PMI Certification
4 5 (7.58%) TOGAF Certification
5 4 (6.06%) Computer Science Degree
5 4 (6.06%) SAP Certification
6 2 (3.03%) PMP
7 1 (1.52%) Master's Degree
Quality Assurance & Compliance
1 16 (24.24%) Data Quality
2 13 (19.70%) GDPR
3 4 (6.06%) California Consumer Privacy Act
4 3 (4.55%) PMO
4 3 (4.55%) QA
5 2 (3.03%) EMIR
5 2 (3.03%) ISO 20022
5 2 (3.03%) MiFID
System Software
1 1 (1.52%) Active Directory
1 1 (1.52%) NFS
Systems Management
1 1 (1.52%) Progress Chef
1 1 (1.52%) Single Sign-On
Vendors
1 8 (12.12%) SAP
2 7 (10.61%) Databricks
2 7 (10.61%) IBM
2 7 (10.61%) Oracle
3 6 (9.09%) Informatica
3 6 (9.09%) Sparx
4 5 (7.58%) BiZZdesign
4 5 (7.58%) Microsoft
5 4 (6.06%) Google
6 3 (4.55%) Ab Initio
6 3 (4.55%) Salesforce
7 1 (1.52%) Bloomberg
7 1 (1.52%) CQG
7 1 (1.52%) ION Trading
7 1 (1.52%) Murex
7 1 (1.52%) Reuters