Data Quality Contracts in the City of London

Data Quality
Central London > City of London

The table below provides summary statistics for contract job vacancies advertised in the City of London requiring Data Quality skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Data Quality over the 6 months leading up to 3 July 2025, comparing them to the same period in the previous two years.

6 months to
3 Jul 2025
Same period 2024 Same period 2023
Rank 60 66 115
Rank change year-on-year +6 +49 +38
Contract jobs citing Data Quality 58 61 54
As % of all contract jobs advertised in the City of London 3.23% 2.86% 1.56%
As % of the Quality Assurance & Compliance category 17.58% 16.67% 11.20%
Number of daily rates quoted 39 43 32
10th Percentile £271 £373 £351
25th Percentile £475 £475 £459
Median daily rate (50th Percentile) £525 £550 £600
Median % change year-on-year -4.55% -8.33% +4.35%
75th Percentile £625 £588 £671
90th Percentile £730 £736 £867
Central London median daily rate £525 £550 £600
% change year-on-year -4.55% -8.33% +4.35%

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 330 366 482
As % of all contract IT jobs advertised in the City of London 18.36% 17.14% 13.93%
Number of daily rates quoted 232 257 356
10th Percentile £369 £363 £388
25th Percentile £449 £463 £500
Median daily rate (50th Percentile) £550 £550 £600
Median % change year-on-year - -8.33% +4.35%
75th Percentile £706 £650 £713
90th Percentile £800 £769 £825
Central London median daily rate £550 £550 £600
% change year-on-year - -8.33% +4.35%
Number of hourly rates quoted 3 3 0
10th Percentile £28.05 £16.78 -
25th Percentile £37.13 £17.96 -
Median hourly rate £54.50 £20.61 -
Median % change year-on-year +164.50% - -
75th Percentile £72.75 £22.65 -
90th Percentile £82.35 £23.46 -
Central London median hourly rate £34.48 £23.40 £25.00
% change year-on-year +47.35% -6.40% -39.76%

Data Quality
Job Vacancy Trend in the City of London

Job postings citing Data Quality as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Data Quality in the City of London

Data Quality
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Data Quality in the City of London.

Daily rate trend for Data Quality in the City of London

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 3 July 2025.

Daily rate histogram for Data Quality in the City of London

Data Quality
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Data Quality in the City of London.

Hourly rate trend for Data Quality in the City of London

Data Quality
Co-occurring Skills and Capabilities in the City of 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 6 (10.34%) Apache Spark
2 3 (5.17%) Apache
2 3 (5.17%) Apache Airflow
2 3 (5.17%) SharePoint
3 2 (3.45%) Luigi
4 1 (1.72%) SAS
Applications
1 9 (15.52%) Microsoft Excel
2 2 (3.45%) Microsoft PowerPoint
2 2 (3.45%) Microsoft Project
3 1 (1.72%) Microsoft Office
3 1 (1.72%) MS Visio
Business Applications
1 1 (1.72%) SAP HR
1 1 (1.72%) SAP MDG
Cloud Services
1 19 (32.76%) Azure
2 12 (20.69%) Collibra
3 11 (18.97%) AWS
4 9 (15.52%) Power Platform
5 6 (10.34%) GCP
6 5 (8.62%) Microsoft Purview
6 5 (8.62%) Snowflake
7 4 (6.90%) Azure Data Factory
7 4 (6.90%) Azure DevOps
8 3 (5.17%) Azure Synapse Analytics
8 3 (5.17%) GitHub
9 2 (3.45%) Alation
9 2 (3.45%) Amazon S3
9 2 (3.45%) Cloud Composer
9 2 (3.45%) Cloud Functions
9 2 (3.45%) GitHub Actions
9 2 (3.45%) Google Compute Engine
9 2 (3.45%) Google Kubernetes Engine
9 2 (3.45%) SaaS
9 2 (3.45%) Serverless
Database & Business Intelligence
1 12 (20.69%) Data Lake
2 11 (18.97%) Data Warehouse
2 11 (18.97%) Metadata
3 9 (15.52%) Power BI
4 6 (10.34%) Big Data
4 6 (10.34%) Delta Lake
4 6 (10.34%) Snowflake Schema
4 6 (10.34%) Tableau
5 5 (8.62%) SQL Server
6 4 (6.90%) NoSQL
6 4 (6.90%) Relational Database
7 3 (5.17%) BigQuery
7 3 (5.17%) Hadoop
7 3 (5.17%) MongoDB
7 3 (5.17%) PostgreSQL
8 2 (3.45%) Azure SQL Database
8 2 (3.45%) SAP Data Services
8 2 (3.45%) Tableau Server
9 1 (1.72%) Amazon Athena
9 1 (1.72%) Data Vault
Development Applications
1 2 (3.45%) Git
2 1 (1.72%) CircleCI
2 1 (1.72%) JIRA
2 1 (1.72%) Postman
2 1 (1.72%) Selenium
2 1 (1.72%) Terragrunt
General
1 24 (41.38%) Finance
2 19 (32.76%) Social Skills
3 15 (25.86%) Analytical Skills
4 10 (17.24%) Banking
5 4 (6.90%) Legal
6 3 (5.17%) Financial Institution
6 3 (5.17%) Front Office
6 3 (5.17%) Influencing Skills
7 2 (3.45%) Public Sector
8 1 (1.72%) Inclusion and Diversity
8 1 (1.72%) Investment Banking
8 1 (1.72%) Military
8 1 (1.72%) Presentation Skills
8 1 (1.72%) Retail
Job Titles
1 22 (37.93%) Data Engineer
2 18 (31.03%) Analyst
3 14 (24.14%) Data Analyst
4 10 (17.24%) Senior
5 5 (8.62%) Architect
5 5 (8.62%) Azure Data Engineer
5 5 (8.62%) Azure Engineer
5 5 (8.62%) Business Analyst
5 5 (8.62%) Senior Analyst
6 4 (6.90%) Data Business Analyst
6 4 (6.90%) Solutions Architect
7 3 (5.17%) AWS Data Engineer
7 3 (5.17%) AWS Engineer
7 3 (5.17%) Data Architect
7 3 (5.17%) Developer
7 3 (5.17%) Financial Analyst
7 3 (5.17%) Governance Analyst
7 3 (5.17%) Lead
7 3 (5.17%) Senior Data Analyst
7 3 (5.17%) Senior Data Engineer
Libraries, Frameworks & Software Standards
1 5 (8.62%) Kafka
1 5 (8.62%) PySpark
2 2 (3.45%) Pandas
2 2 (3.45%) REST
3 1 (1.72%) .NET
3 1 (1.72%) CSS
3 1 (1.72%) Flask
3 1 (1.72%) HTML
3 1 (1.72%) Node.js
3 1 (1.72%) pytest
3 1 (1.72%) Spring Boot
Miscellaneous
1 4 (6.90%) Market Risk
2 3 (5.17%) Foreign Exchange (FX)
3 2 (3.45%) Onboarding
3 2 (3.45%) Pricing Data
3 2 (3.45%) Reinsurance
3 2 (3.45%) Virtual Team
4 1 (1.72%) Credit Risk
4 1 (1.72%) Data Structures
4 1 (1.72%) Derivative
4 1 (1.72%) Distributed Systems
4 1 (1.72%) FMCG
4 1 (1.72%) Interest Rate Derivative
4 1 (1.72%) Legacy Systems
4 1 (1.72%) Public Cloud
4 1 (1.72%) Self-Motivation
4 1 (1.72%) Team-Oriented Environment
Operating Systems
1 1 (1.72%) Linux
1 1 (1.72%) Unix
Processes & Methodologies
1 27 (46.55%) Data Modelling
2 26 (44.83%) Data Governance
3 21 (36.21%) ETL
4 18 (31.03%) Analytics
5 16 (27.59%) Business Intelligence
5 16 (27.59%) Data Engineering
5 16 (27.59%) Problem-Solving
6 13 (22.41%) Data Pipeline
6 13 (22.41%) Migration
7 12 (20.69%) Data Analysis
8 11 (18.97%) Data Cleansing
8 11 (18.97%) Data Integration
9 10 (17.24%) CI/CD
9 10 (17.24%) Data Ingestion
9 10 (17.24%) Data Transformation
10 9 (15.52%) Data Management
10 9 (15.52%) DevOps
11 8 (13.79%) Agile
11 8 (13.79%) Translating Business Requirements
11 8 (13.79%) Visualisation
Programming Languages
1 30 (51.72%) SQL
2 23 (39.66%) Python
3 8 (13.79%) Scala
4 5 (8.62%) Java
5 2 (3.45%) R
5 2 (3.45%) VBA
6 1 (1.72%) C#
6 1 (1.72%) JavaScript
6 1 (1.72%) Kotlin
6 1 (1.72%) SAS Macro
6 1 (1.72%) TypeScript
Qualifications
1 7 (12.07%) Degree
2 3 (5.17%) SC Cleared
2 3 (5.17%) Security Cleared
3 1 (1.72%) ACCA
3 1 (1.72%) AWS Certification
3 1 (1.72%) AWS Certified Solutions Architect
3 1 (1.72%) CBAP
3 1 (1.72%) CIMA
3 1 (1.72%) Computer Science Degree
3 1 (1.72%) PMI Certification
3 1 (1.72%) PMP
Quality Assurance & Compliance
1 3 (5.17%) GDPR
2 2 (3.45%) QA
3 1 (1.72%) California Consumer Privacy Act
3 1 (1.72%) EMIR
3 1 (1.72%) MiFID
System Software
1 2 (3.45%) Docker
Systems Management
1 4 (6.90%) Kubernetes
1 4 (6.90%) Terraform
2 1 (1.72%) Grafana
2 1 (1.72%) Prometheus
Vendors
1 10 (17.24%) Databricks
1 10 (17.24%) Informatica
1 10 (17.24%) Microsoft
2 4 (6.90%) Google
3 3 (5.17%) SAP
4 2 (3.45%) Oracle
5 1 (1.72%) Alteryx
5 1 (1.72%) Bloomberg
5 1 (1.72%) Cloudera
5 1 (1.72%) Confluent
5 1 (1.72%) MicroStrategy
5 1 (1.72%) MuleSoft
5 1 (1.72%) PeopleSoft