Data Quality Contract Job Trends in the City of London

Data Quality
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring Data Quality skills. It covers contract job vacancies from the 6 months leading up to 18 January 2026, with comparisons to the same periods in the previous two years.

6 months to
18 Jan 2026
Same period 2025 Same period 2024
Rank 54 69 65
Rank change year-on-year +15 -4 +58
Contract jobs citing Data Quality 73 50 76
As % of all contract jobs in the City of London 3.97% 2.64% 3.14%
As % of the Quality Assurance & Compliance category 18.86% 16.72% 19.10%
Number of daily rates quoted 53 26 58
10th Percentile £313 £413 £513
25th Percentile £363 £469 £550
Median daily rate (50th Percentile) £470 £569 £563
Median % change year-on-year -17.36% +1.11% -6.25%
75th Percentile £600 £685 £693
90th Percentile £734 £747 £747
Central London median daily rate £475 £569 £581
% change year-on-year -16.48% -2.15% +1.09%
Number of hourly rates quoted 2 0 0
10th Percentile £18.16 - -
25th Percentile £19.55 - -
Median hourly rate £22.62 - -
75th Percentile £26.43 - -
90th Percentile £28.27 - -
Central London median hourly rate £22.62 £35.00 -
% change year-on-year -35.39% - -

All Quality Assurance and Compliance Skills
City of London

Data Quality falls under the Quality Assurance and Compliance category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring quality assurance or compliance skills in the City of London.

Contract vacancies with a requirement for quality assurance or compliance skills 387 299 398
As % of all contract IT jobs advertised in the City of London 21.04% 15.79% 16.42%
Number of daily rates quoted 259 161 290
10th Percentile £325 £313 £400
25th Percentile £413 £425 £488
Median daily rate (50th Percentile) £525 £563 £556
Median % change year-on-year -6.67% +1.26% -7.42%
75th Percentile £675 £675 £680
90th Percentile £825 £775 £752
Central London median daily rate £525 £550 £575
% change year-on-year -4.55% -4.35% -0.86%
Number of hourly rates quoted 4 0 1
10th Percentile £20.01 - -
25th Percentile £24.18 - £71.25
Median hourly rate £27.29 - £72.50
Median % change year-on-year - - +271.79%
75th Percentile £31.00 - £73.75
90th Percentile £33.70 - -
Central London median hourly rate £26.11 £28.75 £72.50
% change year-on-year -9.18% -60.34% +249.40%

Data Quality
Job Vacancy Trend in the City of London

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

Data Quality job vacancy trend in the City of London

Data Quality
Daily Rate Trend in the City of London

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

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

Data Quality
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Data Quality in the City of London over the 6 months to 18 January 2026.

Daily rate histogram for Data Quality in the City of London

Data Quality
Hourly Rate Trend in the City of London

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

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

Data Quality
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 7 (9.59%) Apache Airflow
2 5 (6.85%) Apache Spark
3 2 (2.74%) Apache
4 1 (1.37%) Confluence
Applications
1 9 (12.33%) Microsoft Excel
2 2 (2.74%) Microsoft PowerPoint
2 2 (2.74%) MS Visio
3 1 (1.37%) Microsoft Office
3 1 (1.37%) Microsoft Project
Business Applications
1 6 (8.22%) SAP S/4HANA
2 1 (1.37%) Aladdin
2 1 (1.37%) Dynamics CRM
2 1 (1.37%) Maximo
2 1 (1.37%) SAP ERP
2 1 (1.37%) SAP MM
2 1 (1.37%) Sparx Enterprise Architect
Cloud Services
1 22 (30.14%) AWS
1 22 (30.14%) Azure
2 14 (19.18%) Power Platform
3 8 (10.96%) Snowflake
4 7 (9.59%) Amazon S3
4 7 (9.59%) Azure Data Factory
4 7 (9.59%) GCP
5 6 (8.22%) dbt
5 6 (8.22%) Serverless
6 5 (6.85%) AWS Lambda
6 5 (6.85%) Azure Synapse Analytics
7 4 (5.48%) Microsoft Purview
8 3 (4.11%) Azure DevOps
9 2 (2.74%) Amazon EventBridge
9 2 (2.74%) AWS Step Functions
9 2 (2.74%) Azure Functions
9 2 (2.74%) Azure Logic Apps
9 2 (2.74%) Azure Storage
9 2 (2.74%) Collibra
9 2 (2.74%) Textract
Communications & Networking
1 1 (1.37%) Hyperconnected
Database & Business Intelligence
1 17 (23.29%) Metadata
2 16 (21.92%) Data Warehouse
3 14 (19.18%) Power BI
4 6 (8.22%) Relational Database
5 5 (6.85%) Data Lake
5 5 (6.85%) SQL Server
6 4 (5.48%) Amazon Redshift
6 4 (5.48%) MySQL
7 3 (4.11%) Amazon QuickSight
7 3 (4.11%) Snowflake Schema
7 3 (4.11%) Star Schema
8 2 (2.74%) Amazon Athena
8 2 (2.74%) CockroachDB
8 2 (2.74%) DataStage
8 2 (2.74%) Delta Lake
8 2 (2.74%) DynamoDB
8 2 (2.74%) OLAP
8 2 (2.74%) PostgreSQL
8 2 (2.74%) SQL Server Integration Services
8 2 (2.74%) Tableau
Development Applications
1 8 (10.96%) Git
2 4 (5.48%) JIRA
3 3 (4.11%) Jenkins
4 2 (2.74%) ERwin
5 1 (1.37%) MLflow
5 1 (1.37%) PowerDesigner
General
1 31 (42.47%) Finance
2 25 (34.25%) Social Skills
3 16 (21.92%) Analytical Skills
4 14 (19.18%) Banking
5 5 (6.85%) Public Sector
6 3 (4.11%) Inclusion and Diversity
6 3 (4.11%) Investment Banking
6 3 (4.11%) Retail
7 2 (2.74%) Financial Institution
7 2 (2.74%) Law
7 2 (2.74%) Legal
8 1 (1.37%) Back Office
8 1 (1.37%) Documentation Skills
8 1 (1.37%) Front Office
8 1 (1.37%) Influencing Skills
8 1 (1.37%) Marketing
8 1 (1.37%) Organisational Skills
8 1 (1.37%) Pharmaceutical
8 1 (1.37%) Presentation Skills
Job Titles
1 23 (31.51%) Data Engineer
2 17 (23.29%) Analyst
3 11 (15.07%) Data Analyst
4 6 (8.22%) Business Analyst
5 5 (6.85%) Architect
5 5 (6.85%) Data Architect
6 4 (5.48%) Data Modeller
6 4 (5.48%) Lead
6 4 (5.48%) Senior
7 3 (4.11%) Banking Analyst
7 3 (4.11%) Developer
7 3 (4.11%) Senior Data Engineer
8 2 (2.74%) Configuration Engineer
8 2 (2.74%) Consultant
8 2 (2.74%) Data Manager
8 2 (2.74%) Data Quality Analyst
8 2 (2.74%) Financial Analyst
8 2 (2.74%) Programme Manager
8 2 (2.74%) Quality Analyst
8 2 (2.74%) Risk Analyst
Libraries, Frameworks & Software Standards
1 7 (9.59%) PySpark
2 5 (6.85%) XML
3 4 (5.48%) Kafka
3 4 (5.48%) REST
4 3 (4.11%) JSON
4 3 (4.11%) NumPy
4 3 (4.11%) Pandas
5 2 (2.74%) boto
6 1 (1.37%) .NET
6 1 (1.37%) ADO
6 1 (1.37%) AWS CDK
6 1 (1.37%) FHIR
6 1 (1.37%) HTML
6 1 (1.37%) Oracle Fusion
6 1 (1.37%) PyTorch
6 1 (1.37%) SAP Fiori
6 1 (1.37%) scikit-learn
6 1 (1.37%) SOAP
6 1 (1.37%) XSLT
6 1 (1.37%) YAML
Miscellaneous
1 8 (10.96%) Data Structures
2 4 (5.48%) Cloud Native
2 4 (5.48%) Legacy Systems
3 3 (4.11%) Management Information System
3 3 (4.11%) Reinsurance
4 2 (2.74%) Analytical Mindset
4 2 (2.74%) CMDB
4 2 (2.74%) Data Fabric
4 2 (2.74%) Equities
4 2 (2.74%) Reference Data
5 1 (1.37%) Algorithms
5 1 (1.37%) Distributed Computing
5 1 (1.37%) Enterprise Cloud
5 1 (1.37%) Greenfield Project
5 1 (1.37%) Hybrid Cloud
5 1 (1.37%) Onboarding
5 1 (1.37%) Pricing Data
5 1 (1.37%) Product Ownership
5 1 (1.37%) Public Cloud
5 1 (1.37%) Self-Motivation
Operating Systems
1 1 (1.37%) Unix
Processes & Methodologies
1 33 (45.21%) Data Modelling
2 30 (41.10%) Data Governance
3 28 (38.36%) ETL
4 25 (34.25%) Analytics
4 25 (34.25%) Data Pipeline
5 18 (24.66%) Business Intelligence
6 17 (23.29%) Data Analysis
6 17 (23.29%) Problem-Solving
6 17 (23.29%) Validation
7 14 (19.18%) Data Integration
7 14 (19.18%) Migration
8 13 (17.81%) Data Engineering
9 12 (16.44%) Agile
9 12 (16.44%) Data Lineage
9 12 (16.44%) Decision-Making
9 12 (16.44%) Stakeholder Management
10 11 (15.07%) Actionable Insight
10 11 (15.07%) AI
10 11 (15.07%) Metadata Management
10 11 (15.07%) Stakeholder Engagement
Programming Languages
1 40 (54.79%) SQL
2 32 (43.84%) Python
3 5 (6.85%) Data Analysis Expressions
4 3 (4.11%) PL/SQL
5 2 (2.74%) Java
5 2 (2.74%) R
6 1 (1.37%) C++
6 1 (1.37%) JavaScript
6 1 (1.37%) Scala
6 1 (1.37%) T-SQL
Qualifications
1 8 (10.96%) Security Cleared
2 6 (8.22%) Degree
2 6 (8.22%) SC Cleared
3 3 (4.11%) Computer Science Degree
4 1 (1.37%) AWS Certification
4 1 (1.37%) CFA
4 1 (1.37%) DBS Check
4 1 (1.37%) PMI Certification
4 1 (1.37%) PMP
4 1 (1.37%) TOGAF Certification
Quality Assurance & Compliance
1 8 (10.96%) GDPR
2 4 (5.48%) QA
3 2 (2.74%) Actionable Recommendations
3 2 (2.74%) Basel III
3 2 (2.74%) ISO/IEC 27001
3 2 (2.74%) PMO
4 1 (1.37%) Dodd-Frank
4 1 (1.37%) EMIR
4 1 (1.37%) HL7
4 1 (1.37%) NIST
Systems Management
1 4 (5.48%) Terraform
Vendors
1 17 (23.29%) Databricks
2 14 (19.18%) Microsoft
3 9 (12.33%) Oracle
4 8 (10.96%) SAP
5 4 (5.48%) Informatica
6 3 (4.11%) Salesforce
6 3 (4.11%) ServiceNow
7 2 (2.74%) Talend
8 1 (1.37%) BMC
8 1 (1.37%) Cerner
8 1 (1.37%) Google
8 1 (1.37%) IBM
8 1 (1.37%) Marketo
8 1 (1.37%) Palantir
8 1 (1.37%) Sparx
8 1 (1.37%) VMware
8 1 (1.37%) Workday
8 1 (1.37%) Zerto