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 28 June 2026, with comparisons to the same periods in the previous two years.

6 months to
28 Jun 2026
Same period 2025 Same period 2024
Rank 47 61 65
Rank change year-on-year +14 +4 +48
Contract jobs citing Data Quality 99 59 62
As % of all contract jobs in the City of London 4.08% 3.36% 2.89%
As % of the Quality Assurance & Compliance category 23.29% 18.15% 16.85%
Number of daily rates quoted 73 40 44
10th Percentile £353 £276 £378
25th Percentile £419 £475 £475
Median daily rate (50th Percentile) £505 £513 £550
Median % change year-on-year -1.46% -6.82% -8.33%
75th Percentile £595 £625 £588
90th Percentile £715 £728 £729
Central London median daily rate £503 £513 £550
% change year-on-year -1.95% -6.82% -9.28%
Number of hourly rates quoted 1 0 0
Median hourly rate £17.23 - -
Central London median hourly rate £17.23 - -

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 425 325 368
As % of all contract IT jobs advertised in the City of London 17.50% 18.50% 17.17%
Number of daily rates quoted 288 228 259
10th Percentile £363 £373 £363
25th Percentile £450 £455 £463
Median daily rate (50th Percentile) £550 £550 £550
Median % change year-on-year - - -8.33%
75th Percentile £668 £706 £650
90th Percentile £763 £800 £775
Central London median daily rate £550 £550 £550
% change year-on-year - - -8.33%
Number of hourly rates quoted 3 3 3
10th Percentile £19.23 £28.05 £16.78
25th Percentile £22.24 £37.13 £17.96
Median hourly rate £27.50 £54.50 £20.61
Median % change year-on-year -49.54% +164.50% -
75th Percentile £52.25 £72.75 £22.65
90th Percentile £66.95 £82.35 £23.46
Central London median hourly rate £27.50 £34.48 £23.40
% change year-on-year -20.24% +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 28 June 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 14 (14.14%) Apache Airflow
2 3 (3.03%) Apache
2 3 (3.03%) Apache Spark
2 3 (3.03%) Confluence
3 2 (2.02%) SharePoint
4 1 (1.01%) Microsoft Exchange
4 1 (1.01%) Palantir Foundry
4 1 (1.01%) SAS
Applications
1 10 (10.10%) Microsoft Excel
2 3 (3.03%) Microsoft PowerPoint
2 3 (3.03%) MS Visio
3 1 (1.01%) Microsoft Project
3 1 (1.01%) Spreadsheet
Business Applications
1 5 (5.05%) BambooHR
2 1 (1.01%) Actimize
2 1 (1.01%) Maximo
2 1 (1.01%) Oracle Financials
2 1 (1.01%) SAP R/3
2 1 (1.01%) SAP S/4HANA
Cloud Services
1 32 (32.32%) Power Platform
2 30 (30.30%) Azure
3 18 (18.18%) AWS
4 17 (17.17%) Snowflake
5 11 (11.11%) dbt
6 10 (10.10%) Azure Data Factory
7 9 (9.09%) GCP
8 8 (8.08%) Prefect
9 7 (7.07%) Amazon S3
10 6 (6.06%) Collibra
10 6 (6.06%) Dagster
11 5 (5.05%) AWS Lambda
11 5 (5.05%) Microsoft Purview
11 5 (5.05%) Serverless
12 4 (4.04%) Azure Synapse Analytics
13 3 (3.03%) Amazon SageMaker
13 3 (3.03%) GitHub
14 2 (2.02%) Amazon Kinesis
14 2 (2.02%) Microsoft 365
14 2 (2.02%) SuccessFactors
Database & Business Intelligence
1 29 (29.29%) Power BI
2 18 (18.18%) Data Warehouse
3 15 (15.15%) Metadata
4 11 (11.11%) Tableau
5 9 (9.09%) Amazon Redshift
6 7 (7.07%) BigQuery
6 7 (7.07%) SQL Server
7 6 (6.06%) Looker
8 5 (5.05%) Relational Database
8 5 (5.05%) Snowflake Schema
9 4 (4.04%) Data Lake
9 4 (4.04%) Geospatial Data
10 3 (3.03%) Amazon RDS
10 3 (3.03%) Star Schema
11 2 (2.02%) Amazon Athena
11 2 (2.02%) NoSQL
11 2 (2.02%) PostgreSQL
11 2 (2.02%) Semantic Layer
11 2 (2.02%) Spatial Data
11 2 (2.02%) SQL Server Integration Services
Development Applications
1 4 (4.04%) JIRA
2 3 (3.03%) Git
3 2 (2.02%) GitLab
4 1 (1.01%) Atlassian Bamboo
4 1 (1.01%) Bitbucket
4 1 (1.01%) Eclipse
4 1 (1.01%) ERwin
4 1 (1.01%) MLflow
General
1 44 (44.44%) Finance
2 29 (29.29%) Analytical Skills
2 29 (29.29%) Social Skills
3 17 (17.17%) Banking
4 6 (6.06%) Legal
4 6 (6.06%) Public Sector
5 4 (4.04%) Telecoms
6 3 (3.03%) Publishing
7 1 (1.01%) Advertising
7 1 (1.01%) Documentation Skills
7 1 (1.01%) Inclusion and Diversity
7 1 (1.01%) Marketing
7 1 (1.01%) Military
7 1 (1.01%) Organisational Skills
7 1 (1.01%) Retail
Job Titles
1 27 (27.27%) Analyst
2 26 (26.26%) Data Engineer
3 17 (17.17%) Data Analyst
4 9 (9.09%) Architect
5 8 (8.08%) Business Analyst
5 8 (8.08%) Lead
6 7 (7.07%) Data Architect
7 6 (6.06%) Consultant
7 6 (6.06%) Snowflake Data Engineer
7 6 (6.06%) Snowflake Engineer
8 3 (3.03%) Data Consultant
8 3 (3.03%) Financial Analyst
9 2 (2.02%) Data Business Analyst
9 2 (2.02%) Data Modeller
9 2 (2.02%) Migration Engineer
9 2 (2.02%) Performance Analyst
9 2 (2.02%) Platform Architect
9 2 (2.02%) Principal Consultant
9 2 (2.02%) Quality Analyst
9 2 (2.02%) Technical Leader
Libraries, Frameworks & Software Standards
1 8 (8.08%) PySpark
2 6 (6.06%) Kafka
3 4 (4.04%) GeoJSON
3 4 (4.04%) Pandas
3 4 (4.04%) scikit-learn
4 3 (3.03%) JSON
4 3 (3.03%) Matplotlib
4 3 (3.03%) Polars
5 2 (2.02%) Great Expectations
5 2 (2.02%) Microsoft Graph
5 2 (2.02%) Node.js
5 2 (2.02%) pytest
5 2 (2.02%) PyTorch
5 2 (2.02%) React
6 1 (1.01%) FHIR
6 1 (1.01%) Next.js
6 1 (1.01%) Playwright
6 1 (1.01%) Spark Streaming
6 1 (1.01%) Spring Boot
6 1 (1.01%) Vert.x
Miscellaneous
1 8 (8.08%) Legacy Systems
2 7 (7.07%) Cloud Native
3 6 (6.06%) Onboarding
4 5 (5.05%) Data Structures
5 4 (4.04%) Clustering
5 4 (4.04%) NHS
6 3 (3.03%) Analytical Mindset
6 3 (3.03%) Management Information System
6 3 (3.03%) Product Ownership
6 3 (3.03%) Self-Motivation
7 2 (2.02%) Algorithms
7 2 (2.02%) Distributed Systems
7 2 (2.02%) Freedom of Information
7 2 (2.02%) Reference Data
8 1 (1.01%) CMDB
8 1 (1.01%) Credit Risk
8 1 (1.01%) Derivative
8 1 (1.01%) Market Risk
8 1 (1.01%) Replication
8 1 (1.01%) Taxonomies
Processes & Methodologies
1 45 (45.45%) Data Modelling
2 42 (42.42%) Analytics
3 36 (36.36%) Validation
4 34 (34.34%) Data Pipeline
5 33 (33.33%) Business Intelligence
6 31 (31.31%) Data Governance
7 29 (29.29%) Data Engineering
8 26 (26.26%) ETL
9 25 (25.25%) AI
10 18 (18.18%) Migration
11 17 (17.17%) Use Case
12 15 (15.15%) Data Science
12 15 (15.15%) Stakeholder Engagement
12 15 (15.15%) Stakeholder Management
13 14 (14.14%) Decision-Making
13 14 (14.14%) Performance Tuning
14 13 (13.13%) Agile
14 13 (13.13%) Data Analysis
14 13 (13.13%) Data Management
14 13 (13.13%) Data Migration
Programming Languages
1 47 (47.47%) SQL
2 40 (40.40%) Python
3 7 (7.07%) Data Analysis Expressions
4 6 (6.06%) Java
5 3 (3.03%) Scala
6 1 (1.01%) C#
6 1 (1.01%) T-SQL
6 1 (1.01%) VBA
Qualifications
1 14 (14.14%) Security Cleared
2 10 (10.10%) Degree
2 10 (10.10%) SC Cleared
3 5 (5.05%) BPSS Clearance
4 3 (3.03%) Computer Science Degree
5 2 (2.02%) DBS Check
5 2 (2.02%) DV Cleared
5 2 (2.02%) SnowPro
6 1 (1.01%) ACCA
6 1 (1.01%) Azure Certification
6 1 (1.01%) CBAP
6 1 (1.01%) CIMA
6 1 (1.01%) PMI Certification
6 1 (1.01%) RIBA
Quality Assurance & Compliance
1 12 (12.12%) QA
2 10 (10.10%) GDPR
3 3 (3.03%) Accessibility
4 2 (2.02%) ISO/IEC 27001
5 1 (1.01%) HIPAA
5 1 (1.01%) HL7
5 1 (1.01%) NIST
5 1 (1.01%) PMO
5 1 (1.01%) Sarbanes-Oxley
5 1 (1.01%) Solvency II
System Software
1 3 (3.03%) Docker
Systems Management
1 4 (4.04%) Terraform
2 2 (2.02%) Kubernetes
Vendors
1 23 (23.23%) Microsoft
2 18 (18.18%) Databricks
3 9 (9.09%) Informatica
4 7 (7.07%) Oracle
5 5 (5.05%) SAP
5 5 (5.05%) Workday
6 4 (4.04%) Google
6 4 (4.04%) Salesforce
7 3 (3.03%) Palantir
8 1 (1.01%) Adobe
8 1 (1.01%) Alteryx
8 1 (1.01%) Cerner
8 1 (1.01%) Foundry
8 1 (1.01%) IBM
8 1 (1.01%) IFS
8 1 (1.01%) LexisNexis
8 1 (1.01%) Marketo
8 1 (1.01%) Pega
8 1 (1.01%) ServiceNow
8 1 (1.01%) Talend