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 4 December 2025, with comparisons to the same periods in the previous two years.

6 months to
4 Dec 2025
Same period 2024 Same period 2023
Rank 56 75 70
Rank change year-on-year +19 -5 +46
Contract jobs citing Data Quality 71 53 72
As % of all contract jobs in the City of London 3.93% 2.47% 2.77%
As % of the Quality Assurance & Compliance category 19.40% 15.92% 17.14%
Number of daily rates quoted 58 32 52
10th Percentile £309 £413 £513
25th Percentile £373 £481 £550
Median daily rate (50th Percentile) £495 £556 £591
Median % change year-on-year -11.01% -5.92% -1.46%
75th Percentile £636 £697 £724
90th Percentile £741 £756 £785
Central London median daily rate £525 £556 £609
% change year-on-year -5.62% -8.62% +4.73%
Number of hourly rates quoted 1 0 0
10th Percentile - - -
25th Percentile £26.50 - -
Median hourly rate £28.00 - -
75th Percentile £29.50 - -
90th Percentile - - -
Central London median hourly rate £28.00 £35.00 -
% change year-on-year -20.00% - -

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 366 333 420
As % of all contract IT jobs advertised in the City of London 20.25% 15.50% 16.15%
Number of daily rates quoted 264 180 311
10th Percentile £321 £348 £400
25th Percentile £413 £461 £495
Median daily rate (50th Percentile) £538 £564 £575
Median % change year-on-year -4.66% -1.96% -0.86%
75th Percentile £688 £675 £691
90th Percentile £825 £763 £788
Central London median daily rate £539 £550 £580
% change year-on-year -2.05% -5.17% +0.87%
Number of hourly rates quoted 5 0 1
10th Percentile £26.53 - -
25th Percentile £26.57 - £71.25
Median hourly rate £34.00 - £72.50
Median % change year-on-year - - +271.79%
75th Percentile £56.75 - £73.75
90th Percentile £75.95 - -
Central London median hourly rate £34.24 £35.00 £72.50
% change year-on-year -2.17% -51.72% +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 4 December 2025.

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 6 (8.45%) Apache Airflow
2 5 (7.04%) Apache Spark
3 1 (1.41%) Apache
3 1 (1.41%) Luigi
3 1 (1.41%) SharePoint
Applications
1 14 (19.72%) Microsoft Excel
2 4 (5.63%) Microsoft PowerPoint
3 2 (2.82%) Microsoft Office
3 2 (2.82%) Microsoft Project
3 2 (2.82%) MS Visio
Business Applications
1 1 (1.41%) Aladdin
1 1 (1.41%) Dynamics CRM
1 1 (1.41%) Maximo
1 1 (1.41%) SAP S/4HANA
1 1 (1.41%) Sparx Enterprise Architect
Cloud Services
1 21 (29.58%) AWS
2 19 (26.76%) Azure
3 13 (18.31%) Power Platform
4 12 (16.90%) Snowflake
5 7 (9.86%) Amazon S3
6 6 (8.45%) dbt
6 6 (8.45%) GCP
7 5 (7.04%) Azure Data Factory
8 4 (5.63%) Azure DevOps
8 4 (5.63%) Azure Synapse Analytics
8 4 (5.63%) Collibra
9 3 (4.23%) AWS Lambda
9 3 (4.23%) GitHub
9 3 (4.23%) Microsoft Purview
9 3 (4.23%) Serverless
10 2 (2.82%) Azure Logic Apps
10 2 (2.82%) GitHub Actions
11 1 (1.41%) Azure Service Bus
11 1 (1.41%) Azure Storage
11 1 (1.41%) Miro
Communications & Networking
1 1 (1.41%) Hyperconnected
Database & Business Intelligence
1 17 (23.94%) Data Warehouse
2 12 (16.90%) Power BI
3 10 (14.08%) Metadata
4 8 (11.27%) Relational Database
5 5 (7.04%) Amazon QuickSight
6 4 (5.63%) DataStage
7 3 (4.23%) Amazon Redshift
7 3 (4.23%) MySQL
7 3 (4.23%) Snowflake Schema
7 3 (4.23%) Star Schema
7 3 (4.23%) Tableau
8 2 (2.82%) Big Data
8 2 (2.82%) Data Hub
8 2 (2.82%) Data Lake
8 2 (2.82%) Hadoop
8 2 (2.82%) PostgreSQL
8 2 (2.82%) SQL Server
8 2 (2.82%) SQL Server Integration Services
9 1 (1.41%) Delta Lake
9 1 (1.41%) Power Query
Development Applications
1 11 (15.49%) Git
2 3 (4.23%) Jenkins
3 2 (2.82%) JIRA
4 1 (1.41%) ERwin
4 1 (1.41%) PowerDesigner
General
1 39 (54.93%) Finance
2 27 (38.03%) Social Skills
3 16 (22.54%) Analytical Skills
4 13 (18.31%) Banking
5 5 (7.04%) Public Sector
6 3 (4.23%) Financial Institution
6 3 (4.23%) Inclusion and Diversity
7 2 (2.82%) Investment Banking
7 2 (2.82%) Law
7 2 (2.82%) Legal
7 2 (2.82%) Presentation Skills
7 2 (2.82%) Retail
8 1 (1.41%) Back Office
8 1 (1.41%) Influencing Skills
8 1 (1.41%) Marketing
8 1 (1.41%) Organisational Skills
Job Titles
1 22 (30.99%) Analyst
2 21 (29.58%) Data Engineer
3 15 (21.13%) Data Analyst
4 6 (8.45%) Architect
4 6 (8.45%) Business Analyst
4 6 (8.45%) Data Architect
5 5 (7.04%) Data Manager
5 5 (7.04%) Developer
5 5 (7.04%) Senior
6 4 (5.63%) Financial Analyst
6 4 (5.63%) Lead
6 4 (5.63%) Senior Data Engineer
7 3 (4.23%) Data Modeller
8 2 (2.82%) AWS Engineer
8 2 (2.82%) Banking Analyst
8 2 (2.82%) Data Business Analyst
8 2 (2.82%) Data Quality Analyst
8 2 (2.82%) Quality Analyst
8 2 (2.82%) Service Analyst
8 2 (2.82%) Solutions Architect
Libraries, Frameworks & Software Standards
1 7 (9.86%) XML
2 5 (7.04%) Kafka
3 3 (4.23%) CSS
3 3 (4.23%) Flask
3 3 (4.23%) HTML
3 3 (4.23%) JSON
3 3 (4.23%) Pandas
4 2 (2.82%) PySpark
4 2 (2.82%) REST
5 1 (1.41%) .NET
5 1 (1.41%) ADO
5 1 (1.41%) AWS CDK
5 1 (1.41%) EDI
5 1 (1.41%) Oracle Fusion
5 1 (1.41%) SOAP
5 1 (1.41%) Spring Boot
5 1 (1.41%) XSLT
Miscellaneous
1 4 (5.63%) Cloud Native
1 4 (5.63%) Data Structures
2 3 (4.23%) Analytical Mindset
3 2 (2.82%) CMDB
3 2 (2.82%) Data Fabric
3 2 (2.82%) Legacy Systems
3 2 (2.82%) Reinsurance
3 2 (2.82%) Virtual Team
4 1 (1.41%) Derivative
4 1 (1.41%) Enterprise Cloud
4 1 (1.41%) Equities
4 1 (1.41%) Fixed Income
4 1 (1.41%) FMCG
4 1 (1.41%) Hedge funds
4 1 (1.41%) Hybrid Cloud
4 1 (1.41%) IoT
4 1 (1.41%) Pricing Data
4 1 (1.41%) Product Ownership
4 1 (1.41%) Reference Data
4 1 (1.41%) Replication
Operating Systems
1 1 (1.41%) Unix
Processes & Methodologies
1 32 (45.07%) Data Modelling
2 27 (38.03%) Data Governance
3 26 (36.62%) Analytics
4 25 (35.21%) ETL
5 19 (26.76%) Business Intelligence
5 19 (26.76%) Problem-Solving
6 18 (25.35%) Data Analysis
7 17 (23.94%) Data Pipeline
8 15 (21.13%) Data Integration
8 15 (21.13%) Migration
9 13 (18.31%) Stakeholder Engagement
10 12 (16.90%) Actionable Insight
10 12 (16.90%) Data Migration
10 12 (16.90%) Decision-Making
11 11 (15.49%) Agile
11 11 (15.49%) AI
11 11 (15.49%) CI/CD
11 11 (15.49%) Visualisation
12 10 (14.08%) Validation
13 9 (12.68%) Stakeholder Management
Programming Languages
1 35 (49.30%) SQL
2 28 (39.44%) Python
3 5 (7.04%) Java
4 4 (5.63%) Data Analysis Expressions
4 4 (5.63%) JavaScript
5 3 (4.23%) R
6 2 (2.82%) PL/SQL
7 1 (1.41%) C#
7 1 (1.41%) C++
7 1 (1.41%) Scala
Qualifications
1 9 (12.68%) Degree
2 8 (11.27%) Security Cleared
3 6 (8.45%) SC Cleared
4 3 (4.23%) Computer Science Degree
5 2 (2.82%) AWS Certification
6 1 (1.41%) DBS Check
6 1 (1.41%) TOGAF Certification
Quality Assurance & Compliance
1 6 (8.45%) GDPR
2 3 (4.23%) QA
3 2 (2.82%) Actionable Recommendations
3 2 (2.82%) PMO
4 1 (1.41%) Basel III
4 1 (1.41%) Dodd-Frank
4 1 (1.41%) EMIR
4 1 (1.41%) SLA
System Software
1 3 (4.23%) Docker
Systems Management
1 4 (5.63%) Terraform
Vendors
1 16 (22.54%) Microsoft
2 13 (18.31%) Databricks
3 5 (7.04%) Oracle
4 4 (5.63%) Informatica
5 3 (4.23%) Bloomberg
5 3 (4.23%) Cloudera
5 3 (4.23%) ServiceNow
6 2 (2.82%) Salesforce
6 2 (2.82%) Talend
7 1 (1.41%) Adobe
7 1 (1.41%) IBM
7 1 (1.41%) Marketo
7 1 (1.41%) Palantir
7 1 (1.41%) SAP
7 1 (1.41%) Sparx
7 1 (1.41%) Workday