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

6 months to
31 Jul 2026
Same period 2025 Same period 2024
Rank 37 62 71
Rank change year-on-year +25 +9 +35
Contract jobs citing Data Quality 115 65 58
As % of all contract jobs in the City of London 4.81% 3.47% 2.81%
As % of the Quality Assurance & Compliance category 26.81% 18.31% 16.71%
Number of daily rates quoted 90 50 39
10th Percentile £384 £277 £363
25th Percentile £450 £427 £469
Median daily rate (50th Percentile) £533 £513 £550
Median % change year-on-year +3.90% -6.82% -12.00%
75th Percentile £638 £625 £588
90th Percentile £775 £751 £760
Central London median daily rate £540 £513 £550
% change year-on-year +5.37% -6.82% -12.00%

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 429 355 347
As % of all contract IT jobs advertised in the City of London 17.93% 18.95% 16.80%
Number of daily rates quoted 308 257 233
10th Percentile £383 £359 £363
25th Percentile £465 £425 £463
Median daily rate (50th Percentile) £550 £528 £551
Median % change year-on-year +4.27% -4.26% -8.17%
75th Percentile £673 £690 £650
90th Percentile £775 £811 £751
Central London median daily rate £550 £538 £550
% change year-on-year +2.33% -2.27% -8.33%
Number of hourly rates quoted 2 3 2
10th Percentile £31.75 £28.05 £16.60
25th Percentile £38.50 £37.13 £17.50
Median hourly rate £51.00 £54.50 £20.00
Median % change year-on-year -6.42% +172.50% -
75th Percentile £64.50 £72.75 £22.50
90th Percentile £71.85 £82.35 £23.40
Central London median hourly rate £42.50 £34.48 £23.80
% change year-on-year +23.26% +44.87% -4.80%

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 31 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 (11.30%) Apache Airflow
2 8 (6.96%) Apache
3 6 (5.22%) Apache Spark
4 3 (2.61%) Confluence
5 2 (1.74%) HCL Notes
5 2 (1.74%) SharePoint
6 1 (0.87%) Microsoft Exchange
6 1 (0.87%) Palantir Foundry
6 1 (0.87%) SAS
Applications
1 11 (9.57%) Microsoft Excel
2 2 (1.74%) Microsoft PowerPoint
2 2 (1.74%) MS Visio
3 1 (0.87%) Microsoft Project
3 1 (0.87%) Spreadsheet
Business Applications
1 5 (4.35%) BambooHR
2 2 (1.74%) SAP MDG
2 2 (1.74%) SAP S/4HANA
3 1 (0.87%) Actimize
3 1 (0.87%) Aladdin
3 1 (0.87%) Maximo
3 1 (0.87%) Oracle Financials
3 1 (0.87%) SAP R/3
3 1 (0.87%) Workday HCM
Cloud Services
1 34 (29.57%) Azure
2 33 (28.70%) Power Platform
3 19 (16.52%) Snowflake
4 16 (13.91%) AWS
5 13 (11.30%) dbt
6 12 (10.43%) Azure Data Factory
7 9 (7.83%) Prefect
8 8 (6.96%) Azure DevOps
9 7 (6.09%) Dagster
9 7 (6.09%) GCP
10 6 (5.22%) Amazon S3
11 5 (4.35%) Collibra
11 5 (4.35%) GitHub
11 5 (4.35%) Serverless
12 4 (3.48%) AWS Lambda
12 4 (3.48%) Azure Synapse Analytics
13 2 (1.74%) Amazon Kinesis
13 2 (1.74%) Amazon SageMaker
13 2 (1.74%) Fivetran
13 2 (1.74%) Microsoft Purview
Communications & Networking
1 1 (0.87%) SSL
Database & Business Intelligence
1 30 (26.09%) Power BI
2 21 (18.26%) Data Warehouse
3 16 (13.91%) Metadata
4 11 (9.57%) Tableau
5 9 (7.83%) Amazon Redshift
6 8 (6.96%) BigQuery
6 8 (6.96%) Data Lake
7 6 (5.22%) Relational Database
7 6 (5.22%) SQL Server
8 5 (4.35%) Looker
8 5 (4.35%) Snowflake Schema
9 4 (3.48%) Geospatial Data
9 4 (3.48%) NoSQL
9 4 (3.48%) Star Schema
10 3 (2.61%) Amazon RDS
10 3 (2.61%) Enterprise Data Warehouse
10 3 (2.61%) MongoDB
10 3 (2.61%) Semantic Layer
10 3 (2.61%) SQL Server Integration Services
11 2 (1.74%) Amazon Athena
Development Applications
1 3 (2.61%) JIRA
2 2 (1.74%) Git
2 2 (1.74%) GitLab
3 1 (0.87%) Atlassian Bamboo
3 1 (0.87%) Bitbucket
3 1 (0.87%) Eclipse
General
1 50 (43.48%) Finance
2 38 (33.04%) Social Skills
3 37 (32.17%) Analytical Skills
4 20 (17.39%) Banking
5 7 (6.09%) Legal
5 7 (6.09%) Public Sector
6 4 (3.48%) Front Office
6 4 (3.48%) Telecoms
7 3 (2.61%) Marketing
7 3 (2.61%) Publishing
8 2 (1.74%) Advertising
8 2 (1.74%) Influencing Skills
8 2 (1.74%) Investment Banking
8 2 (1.74%) Pharmaceutical
8 2 (1.74%) Retail
9 1 (0.87%) Documentation Skills
9 1 (0.87%) Financial Institution
9 1 (0.87%) Inclusion and Diversity
9 1 (0.87%) Military
9 1 (0.87%) Organisational Skills
Job Titles
1 33 (28.70%) Analyst
2 25 (21.74%) Data Engineer
3 21 (18.26%) Data Analyst
4 15 (13.04%) Architect
5 13 (11.30%) Business Analyst
5 13 (11.30%) Data Architect
6 9 (7.83%) Lead
7 6 (5.22%) Data Business Analyst
8 5 (4.35%) Consultant
8 5 (4.35%) Developer
9 4 (3.48%) Data Modeller
9 4 (3.48%) Financial Analyst
9 4 (3.48%) Senior
9 4 (3.48%) Snowflake Data Engineer
9 4 (3.48%) Snowflake Engineer
10 3 (2.61%) Business Intelligence Analyst
10 3 (2.61%) Data Consultant
10 3 (2.61%) Data Quality Analyst
10 3 (2.61%) Integration Engineer
10 3 (2.61%) Quality Analyst
Libraries, Frameworks & Software Standards
1 12 (10.43%) PySpark
2 6 (5.22%) Kafka
3 4 (3.48%) GeoJSON
3 4 (3.48%) JSON
4 3 (2.61%) Matplotlib
4 3 (2.61%) Middleware
4 3 (2.61%) Pandas
4 3 (2.61%) Polars
4 3 (2.61%) scikit-learn
5 2 (1.74%) Great Expectations
5 2 (1.74%) Node.js
5 2 (1.74%) pytest
5 2 (1.74%) React
5 2 (1.74%) REST
5 2 (1.74%) Web Services
6 1 (0.87%) Oracle Fusion
6 1 (0.87%) PCRE
6 1 (0.87%) Regular Expression
6 1 (0.87%) Spark Streaming
6 1 (0.87%) Spring Boot
Miscellaneous
1 15 (13.04%) Data Structures
2 9 (7.83%) Cloud Native
3 7 (6.09%) Onboarding
4 6 (5.22%) Legacy Systems
4 6 (5.22%) Product Ownership
5 5 (4.35%) Management Information System
5 5 (4.35%) Reference Data
6 3 (2.61%) Clustering
6 3 (2.61%) NHS
7 2 (1.74%) Analytical Mindset
7 2 (1.74%) CMDB
7 2 (1.74%) Credit Risk
7 2 (1.74%) Distributed Systems
7 2 (1.74%) Fixed Income
7 2 (1.74%) FMCG
7 2 (1.74%) Foreign Exchange (FX)
7 2 (1.74%) Freedom of Information
7 2 (1.74%) Hedge funds
7 2 (1.74%) Self-Motivation
8 1 (0.87%) Security Posture
Operating Systems
1 1 (0.87%) Linux
1 1 (0.87%) Unix
1 1 (0.87%) Windows
Processes & Methodologies
1 57 (49.57%) Data Modelling
2 54 (46.96%) Analytics
3 44 (38.26%) Data Governance
4 40 (34.78%) Business Intelligence
5 38 (33.04%) Validation
6 31 (26.96%) Data Pipeline
7 30 (26.09%) ETL
8 29 (25.22%) Data Engineering
8 29 (25.22%) Stakeholder Engagement
9 25 (21.74%) AI
10 24 (20.87%) Stakeholder Management
11 20 (17.39%) Migration
12 19 (16.52%) Data Architecture
12 19 (16.52%) Decision-Making
13 18 (15.65%) Agile
14 16 (13.91%) Data Lineage
14 16 (13.91%) Data Migration
15 15 (13.04%) Data Transformation
15 15 (13.04%) Problem-Solving
15 15 (13.04%) Translating Business Requirements
Programming Languages
1 57 (49.57%) SQL
2 41 (35.65%) Python
3 7 (6.09%) Java
4 6 (5.22%) Data Analysis Expressions
5 2 (1.74%) PL/SQL
5 2 (1.74%) PowerShell
5 2 (1.74%) Scala
6 1 (0.87%) C#
6 1 (0.87%) Perl
6 1 (0.87%) T-SQL
6 1 (0.87%) VBA
Qualifications
1 15 (13.04%) Security Cleared
2 11 (9.57%) SC Cleared
3 6 (5.22%) Degree
4 5 (4.35%) BPSS Clearance
5 2 (1.74%) DBS Check
5 2 (1.74%) SnowPro
6 1 (0.87%) ACCA
6 1 (0.87%) Azure Certification
6 1 (0.87%) CBAP
6 1 (0.87%) CIMA
6 1 (0.87%) Computer Science Degree
6 1 (0.87%) CSPO
6 1 (0.87%) DV Cleared
6 1 (0.87%) PMI Certification
6 1 (0.87%) RIBA
Quality Assurance & Compliance
1 14 (12.17%) QA
2 8 (6.96%) GDPR
3 5 (4.35%) Accessibility
4 1 (0.87%) Basel III
4 1 (0.87%) GRC
4 1 (0.87%) IFRS
4 1 (0.87%) IFRS 9
4 1 (0.87%) NIST
4 1 (0.87%) PMO
4 1 (0.87%) PSD2
4 1 (0.87%) Sarbanes-Oxley
System Software
1 4 (3.48%) Docker
2 1 (0.87%) Active Directory
Systems Management
1 4 (3.48%) Terraform
2 2 (1.74%) Kubernetes
Vendors
1 25 (21.74%) Microsoft
2 18 (15.65%) Databricks
3 9 (7.83%) Informatica
4 7 (6.09%) Oracle
4 7 (6.09%) SAP
4 7 (6.09%) Workday
5 4 (3.48%) Google
6 3 (2.61%) Palantir
6 3 (2.61%) Salesforce
6 3 (2.61%) ServiceNow
7 2 (1.74%) Lotus
7 2 (1.74%) MuleSoft
7 2 (1.74%) Talend
8 1 (0.87%) Adobe
8 1 (0.87%) Bloomberg
8 1 (0.87%) Foundry
8 1 (0.87%) IBM
8 1 (0.87%) IFS
8 1 (0.87%) Pega
8 1 (0.87%) Splunk