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 13 July 2026, with comparisons to the same periods in the previous two years.

6 months to
13 Jul 2026
Same period 2025 Same period 2024
Rank 42 63 70
Rank change year-on-year +21 +7 +45
Contract jobs citing Data Quality 105 65 60
As % of all contract jobs in the City of London 4.31% 3.47% 2.79%
As % of the Quality Assurance & Compliance category 24.71% 18.26% 16.39%
Number of daily rates quoted 80 46 42
10th Percentile £367 £291 £368
25th Percentile £425 £475 £475
Median daily rate (50th Percentile) £525 £538 £550
Median % change year-on-year -2.33% -2.27% -9.28%
75th Percentile £638 £634 £588
90th Percentile £775 £738 £749
Central London median daily rate £525 £538 £550
% change year-on-year -2.33% -2.27% -10.20%

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 425 356 366
As % of all contract IT jobs advertised in the City of London 17.45% 19.00% 17.02%
Number of daily rates quoted 298 254 254
10th Percentile £371 £370 £363
25th Percentile £463 £441 £463
Median daily rate (50th Percentile) £550 £550 £563
Median % change year-on-year - -2.31% -6.17%
75th Percentile £668 £700 £650
90th Percentile £775 £807 £772
Central London median daily rate £550 £550 £550
% change year-on-year - - -8.33%
Number of hourly rates quoted 2 3 3
10th Percentile £31.75 £28.05 £16.78
25th Percentile £38.50 £37.13 £17.96
Median hourly rate £51.00 £54.50 £20.61
Median % change year-on-year -6.42% +164.50% -
75th Percentile £64.50 £72.75 £22.65
90th Percentile £71.85 £82.35 £23.46
Central London median hourly rate £42.50 £34.48 £23.40
% change year-on-year +23.26% +47.35% -6.40%

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 13 July 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 13 (12.38%) Apache Airflow
2 3 (2.86%) Apache
2 3 (2.86%) Confluence
3 2 (1.90%) Apache Spark
3 2 (1.90%) HCL Notes
3 2 (1.90%) SharePoint
4 1 (0.95%) Microsoft Exchange
4 1 (0.95%) Palantir Foundry
4 1 (0.95%) SAS
Applications
1 11 (10.48%) Microsoft Excel
2 3 (2.86%) Microsoft PowerPoint
2 3 (2.86%) MS Visio
3 1 (0.95%) Microsoft Project
3 1 (0.95%) Spreadsheet
Business Applications
1 5 (4.76%) BambooHR
2 1 (0.95%) Actimize
2 1 (0.95%) Aladdin
2 1 (0.95%) Maximo
2 1 (0.95%) Oracle Financials
2 1 (0.95%) SAP R/3
2 1 (0.95%) SAP S/4HANA
2 1 (0.95%) Workday HCM
Cloud Services
1 34 (32.38%) Power Platform
2 30 (28.57%) Azure
3 17 (16.19%) AWS
3 17 (16.19%) Snowflake
4 12 (11.43%) dbt
5 9 (8.57%) Azure Data Factory
5 9 (8.57%) GCP
6 8 (7.62%) Prefect
7 7 (6.67%) Amazon S3
7 7 (6.67%) Collibra
8 6 (5.71%) Dagster
9 5 (4.76%) AWS Lambda
9 5 (4.76%) Serverless
10 3 (2.86%) Azure Synapse Analytics
10 3 (2.86%) GitHub
10 3 (2.86%) Microsoft Purview
11 2 (1.90%) Fivetran
11 2 (1.90%) Microsoft 365
11 2 (1.90%) Power Automate
11 2 (1.90%) SuccessFactors
Database & Business Intelligence
1 31 (29.52%) Power BI
2 19 (18.10%) Data Warehouse
3 15 (14.29%) Metadata
4 12 (11.43%) Tableau
5 9 (8.57%) Amazon Redshift
6 7 (6.67%) BigQuery
6 7 (6.67%) SQL Server
7 6 (5.71%) Looker
8 5 (4.76%) Data Lake
8 5 (4.76%) Relational Database
8 5 (4.76%) Snowflake Schema
9 4 (3.81%) Geospatial Data
9 4 (3.81%) Star Schema
10 3 (2.86%) Amazon RDS
10 3 (2.86%) Semantic Layer
11 2 (1.90%) Amazon Athena
11 2 (1.90%) NoSQL
11 2 (1.90%) PostgreSQL
11 2 (1.90%) Spatial Data
11 2 (1.90%) SQL Server Integration Services
Development Applications
1 4 (3.81%) JIRA
2 3 (2.86%) Git
3 2 (1.90%) GitLab
4 1 (0.95%) Atlassian Bamboo
4 1 (0.95%) Bitbucket
4 1 (0.95%) Eclipse
4 1 (0.95%) ERwin
General
1 47 (44.76%) Finance
2 33 (31.43%) Analytical Skills
3 30 (28.57%) Social Skills
4 16 (15.24%) Banking
5 7 (6.67%) Legal
6 5 (4.76%) Public Sector
7 4 (3.81%) Telecoms
8 3 (2.86%) Publishing
9 1 (0.95%) Advertising
9 1 (0.95%) Documentation Skills
9 1 (0.95%) Front Office
9 1 (0.95%) Inclusion and Diversity
9 1 (0.95%) Marketing
9 1 (0.95%) Military
9 1 (0.95%) Organisational Skills
9 1 (0.95%) Retail
Job Titles
1 28 (26.67%) Analyst
2 26 (24.76%) Data Engineer
3 19 (18.10%) Data Analyst
4 11 (10.48%) Architect
4 11 (10.48%) Lead
5 9 (8.57%) Business Analyst
5 9 (8.57%) Data Architect
6 7 (6.67%) Consultant
7 6 (5.71%) Snowflake Data Engineer
7 6 (5.71%) Snowflake Engineer
8 3 (2.86%) Data Business Analyst
8 3 (2.86%) Data Consultant
8 3 (2.86%) Data Quality Analyst
8 3 (2.86%) Financial Analyst
8 3 (2.86%) Quality Analyst
9 2 (1.90%) Data Migration Engineer
9 2 (1.90%) Performance Analyst
9 2 (1.90%) Platform Architect
9 2 (1.90%) Principal Consultant
9 2 (1.90%) Technical Leader
Libraries, Frameworks & Software Standards
1 7 (6.67%) PySpark
2 6 (5.71%) Kafka
3 4 (3.81%) GeoJSON
3 4 (3.81%) JSON
4 3 (2.86%) Matplotlib
4 3 (2.86%) Pandas
4 3 (2.86%) Polars
4 3 (2.86%) scikit-learn
5 2 (1.90%) Great Expectations
5 2 (1.90%) Microsoft Graph
5 2 (1.90%) Node.js
5 2 (1.90%) pytest
5 2 (1.90%) React
6 1 (0.95%) FHIR
6 1 (0.95%) Next.js
6 1 (0.95%) OpenTelemetry
6 1 (0.95%) PyTorch
6 1 (0.95%) Spark Streaming
6 1 (0.95%) Spring Boot
6 1 (0.95%) Vert.x
Miscellaneous
1 9 (8.57%) Legacy Systems
2 7 (6.67%) Cloud Native
2 7 (6.67%) Data Structures
3 6 (5.71%) Onboarding
4 4 (3.81%) Clustering
4 4 (3.81%) NHS
5 3 (2.86%) Analytical Mindset
5 3 (2.86%) Product Ownership
6 2 (1.90%) Algorithms
6 2 (1.90%) CMDB
6 2 (1.90%) Distributed Systems
6 2 (1.90%) Freedom of Information
6 2 (1.90%) Management Information System
6 2 (1.90%) Reference Data
6 2 (1.90%) Self-Motivation
7 1 (0.95%) Credit Risk
7 1 (0.95%) Derivative
7 1 (0.95%) Equities
7 1 (0.95%) Market Risk
7 1 (0.95%) Taxonomies
Processes & Methodologies
1 48 (45.71%) Data Modelling
2 45 (42.86%) Analytics
3 37 (35.24%) Validation
4 36 (34.29%) Data Governance
5 35 (33.33%) Business Intelligence
6 33 (31.43%) Data Pipeline
7 28 (26.67%) Data Engineering
8 26 (24.76%) ETL
9 25 (23.81%) AI
10 20 (19.05%) Migration
11 19 (18.10%) Stakeholder Engagement
12 18 (17.14%) Stakeholder Management
13 17 (16.19%) Decision-Making
13 17 (16.19%) Use Case
14 15 (14.29%) Data Migration
15 14 (13.33%) Data Management
15 14 (13.33%) Data Science
15 14 (13.33%) Performance Tuning
15 14 (13.33%) Problem-Solving
16 13 (12.38%) CI/CD
Programming Languages
1 46 (43.81%) SQL
2 38 (36.19%) Python
3 8 (7.62%) Data Analysis Expressions
4 6 (5.71%) Java
5 3 (2.86%) Scala
6 1 (0.95%) C#
6 1 (0.95%) T-SQL
6 1 (0.95%) VBA
Qualifications
1 14 (13.33%) Security Cleared
2 10 (9.52%) SC Cleared
3 9 (8.57%) Degree
4 5 (4.76%) BPSS Clearance
5 3 (2.86%) Computer Science Degree
6 2 (1.90%) DBS Check
6 2 (1.90%) DV Cleared
6 2 (1.90%) SnowPro
7 1 (0.95%) ACCA
7 1 (0.95%) Azure Certification
7 1 (0.95%) CBAP
7 1 (0.95%) CIMA
7 1 (0.95%) PMI Certification
7 1 (0.95%) RIBA
Quality Assurance & Compliance
1 13 (12.38%) QA
2 9 (8.57%) GDPR
3 3 (2.86%) Accessibility
4 1 (0.95%) HIPAA
4 1 (0.95%) HL7
4 1 (0.95%) NIST
4 1 (0.95%) PMO
4 1 (0.95%) Sarbanes-Oxley
4 1 (0.95%) Solvency II
System Software
1 3 (2.86%) Docker
2 1 (0.95%) Active Directory
Systems Management
1 4 (3.81%) Terraform
2 2 (1.90%) Kubernetes
Vendors
1 23 (21.90%) Microsoft
2 16 (15.24%) Databricks
3 10 (9.52%) Informatica
4 8 (7.62%) Oracle
5 7 (6.67%) Workday
6 5 (4.76%) SAP
7 4 (3.81%) Google
8 3 (2.86%) Palantir
8 3 (2.86%) Salesforce
9 2 (1.90%) Lotus
9 2 (1.90%) ServiceNow
9 2 (1.90%) Talend
10 1 (0.95%) Adobe
10 1 (0.95%) Alteryx
10 1 (0.95%) Cerner
10 1 (0.95%) Foundry
10 1 (0.95%) IBM
10 1 (0.95%) LexisNexis
10 1 (0.95%) Marketo
10 1 (0.95%) Pega