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 6 August 2026, with comparisons to the same periods in the previous two years.

6 months to
6 Aug 2026
Same period 2025 Same period 2024
Rank 36 66 67
Rank change year-on-year +30 +1 +36
Contract jobs citing Data Quality 117 65 58
As % of all contract jobs in the City of London 4.88% 3.48% 2.81%
As % of the Quality Assurance & Compliance category 26.90% 18.41% 16.71%
Number of daily rates quoted 91 49 38
10th Percentile £385 £273 £363
25th Percentile £450 £413 £466
Median daily rate (50th Percentile) £550 £500 £550
Median % change year-on-year +10.00% -9.09% -12.00%
75th Percentile £638 £625 £588
90th Percentile £775 £753 £765
Central London median daily rate £550 £500 £550
% change year-on-year +10.00% -9.09% -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 435 353 347
As % of all contract IT jobs advertised in the City of London 18.16% 18.90% 16.80%
Number of daily rates quoted 318 257 233
10th Percentile £379 £359 £363
25th Percentile £465 £425 £463
Median daily rate (50th Percentile) £550 £538 £575
Median % change year-on-year +2.33% -6.52% -4.17%
75th Percentile £668 £700 £675
90th Percentile £770 £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 1 3 2
10th Percentile - £28.05 £16.60
25th Percentile £72.25 £37.13 £17.50
Median hourly rate £74.50 £54.50 £20.00
Median % change year-on-year +36.70% +172.50% -
75th Percentile £76.75 £72.75 £22.50
90th Percentile - £82.35 £23.40
Central London median hourly rate £66.00 £34.48 £23.80
% change year-on-year +91.42% +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 6 August 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 (11.11%) Apache Airflow
2 8 (6.84%) Apache
3 6 (5.13%) Apache Spark
4 3 (2.56%) Confluence
5 2 (1.71%) HCL Notes
5 2 (1.71%) SharePoint
6 1 (0.85%) Microsoft Exchange
6 1 (0.85%) Palantir Foundry
6 1 (0.85%) SAS
Applications
1 12 (10.26%) Microsoft Excel
2 2 (1.71%) Microsoft PowerPoint
2 2 (1.71%) MS Visio
3 1 (0.85%) Microsoft Project
3 1 (0.85%) Spreadsheet
Business Applications
1 5 (4.27%) BambooHR
2 2 (1.71%) SAP MDG
2 2 (1.71%) SAP S/4HANA
3 1 (0.85%) Actimize
3 1 (0.85%) Aladdin
3 1 (0.85%) Maximo
3 1 (0.85%) Oracle Financials
3 1 (0.85%) SAP R/3
3 1 (0.85%) Workday HCM
Cloud Services
1 35 (29.91%) Azure
2 34 (29.06%) Power Platform
3 17 (14.53%) AWS
4 16 (13.68%) Snowflake
5 13 (11.11%) Azure Data Factory
5 13 (11.11%) dbt
6 9 (7.69%) Azure DevOps
6 9 (7.69%) Prefect
7 7 (5.98%) Dagster
7 7 (5.98%) GCP
8 6 (5.13%) Amazon S3
9 5 (4.27%) Collibra
9 5 (4.27%) GitHub
9 5 (4.27%) Serverless
10 4 (3.42%) AWS Lambda
10 4 (3.42%) Azure Synapse Analytics
11 3 (2.56%) Microsoft Purview
11 3 (2.56%) SaaS
12 2 (1.71%) Amazon Kinesis
12 2 (1.71%) SuccessFactors
Communications & Networking
1 2 (1.71%) SSL
Database & Business Intelligence
1 31 (26.50%) Power BI
2 21 (17.95%) Data Warehouse
3 17 (14.53%) Metadata
4 11 (9.40%) Tableau
5 9 (7.69%) Amazon Redshift
5 9 (7.69%) Data Lake
6 8 (6.84%) BigQuery
7 7 (5.98%) Relational Database
8 6 (5.13%) SQL Server
9 5 (4.27%) Looker
9 5 (4.27%) Snowflake Schema
10 4 (3.42%) Geospatial Data
10 4 (3.42%) NoSQL
10 4 (3.42%) Star Schema
11 3 (2.56%) Amazon RDS
11 3 (2.56%) Delta Lake
11 3 (2.56%) Enterprise Data Warehouse
11 3 (2.56%) MongoDB
11 3 (2.56%) Semantic Layer
11 3 (2.56%) SQL Server Integration Services
Development Applications
1 3 (2.56%) JIRA
2 2 (1.71%) Git
2 2 (1.71%) GitLab
3 1 (0.85%) Atlassian Bamboo
3 1 (0.85%) Bitbucket
3 1 (0.85%) Eclipse
General
1 48 (41.03%) Finance
2 39 (33.33%) Social Skills
3 37 (31.62%) Analytical Skills
4 21 (17.95%) Banking
5 7 (5.98%) Legal
5 7 (5.98%) Public Sector
6 4 (3.42%) Front Office
6 4 (3.42%) Telecoms
7 3 (2.56%) Marketing
7 3 (2.56%) Publishing
8 2 (1.71%) Advertising
8 2 (1.71%) Influencing Skills
8 2 (1.71%) Investment Banking
8 2 (1.71%) Pharmaceutical
8 2 (1.71%) Retail
9 1 (0.85%) Documentation Skills
9 1 (0.85%) Financial Institution
9 1 (0.85%) Inclusion and Diversity
9 1 (0.85%) International Banking
9 1 (0.85%) Organisational Skills
Job Titles
1 34 (29.06%) Analyst
2 26 (22.22%) Data Engineer
3 21 (17.95%) Data Analyst
4 15 (12.82%) Architect
5 14 (11.97%) Business Analyst
6 13 (11.11%) Data Architect
7 9 (7.69%) Lead
8 6 (5.13%) Data Business Analyst
9 5 (4.27%) Developer
9 5 (4.27%) Senior
10 4 (3.42%) Financial Analyst
10 4 (3.42%) Snowflake Data Engineer
10 4 (3.42%) Snowflake Engineer
11 3 (2.56%) Administrator
11 3 (2.56%) Business Intelligence Analyst
11 3 (2.56%) Consultant
11 3 (2.56%) Data Quality Analyst
11 3 (2.56%) Integration Engineer
11 3 (2.56%) Quality Analyst
11 3 (2.56%) Senior Analyst
Libraries, Frameworks & Software Standards
1 13 (11.11%) PySpark
2 7 (5.98%) Kafka
3 4 (3.42%) GeoJSON
3 4 (3.42%) JSON
4 3 (2.56%) Matplotlib
4 3 (2.56%) Middleware
4 3 (2.56%) Pandas
4 3 (2.56%) Polars
4 3 (2.56%) scikit-learn
5 2 (1.71%) Great Expectations
5 2 (1.71%) Node.js
5 2 (1.71%) PCRE
5 2 (1.71%) pytest
5 2 (1.71%) React
5 2 (1.71%) Regular Expression
5 2 (1.71%) REST
5 2 (1.71%) Web Services
6 1 (0.85%) EDI
6 1 (0.85%) XML
6 1 (0.85%) XSLT
Miscellaneous
1 16 (13.68%) Data Structures
2 9 (7.69%) Cloud Native
3 8 (6.84%) Onboarding
4 6 (5.13%) Legacy Systems
4 6 (5.13%) Product Ownership
4 6 (5.13%) Reference Data
5 5 (4.27%) Management Information System
6 3 (2.56%) Clustering
6 3 (2.56%) NHS
7 2 (1.71%) Analytical Mindset
7 2 (1.71%) CMDB
7 2 (1.71%) Credit Risk
7 2 (1.71%) Distributed Systems
7 2 (1.71%) Fixed Income
7 2 (1.71%) FMCG
7 2 (1.71%) Foreign Exchange (FX)
7 2 (1.71%) Freedom of Information
7 2 (1.71%) Hedge funds
7 2 (1.71%) Hybrid Cloud
7 2 (1.71%) Self-Motivation
Operating Systems
1 2 (1.71%) Linux
1 2 (1.71%) Unix
1 2 (1.71%) Windows
Processes & Methodologies
1 57 (48.72%) Data Modelling
2 53 (45.30%) Analytics
3 46 (39.32%) Data Governance
4 39 (33.33%) Business Intelligence
5 37 (31.62%) Validation
6 32 (27.35%) Data Pipeline
7 31 (26.50%) ETL
8 29 (24.79%) Data Engineering
8 29 (24.79%) Stakeholder Engagement
9 26 (22.22%) Stakeholder Management
10 24 (20.51%) AI
11 23 (19.66%) Migration
12 20 (17.09%) Decision-Making
13 19 (16.24%) Agile
13 19 (16.24%) Data Architecture
14 18 (15.38%) Data Migration
15 17 (14.53%) Data Lineage
16 16 (13.68%) CI/CD
16 16 (13.68%) Problem-Solving
17 15 (12.82%) Translating Business Requirements
Programming Languages
1 57 (48.72%) SQL
2 40 (34.19%) Python
3 7 (5.98%) Java
4 6 (5.13%) Data Analysis Expressions
5 4 (3.42%) PowerShell
6 2 (1.71%) C#
6 2 (1.71%) Perl
6 2 (1.71%) PL/SQL
6 2 (1.71%) Scala
7 1 (0.85%) Bicep
7 1 (0.85%) SOQL
7 1 (0.85%) T-SQL
7 1 (0.85%) VBA
Qualifications
1 15 (12.82%) Security Cleared
2 11 (9.40%) SC Cleared
3 5 (4.27%) BPSS Clearance
3 5 (4.27%) Degree
4 2 (1.71%) DBS Check
4 2 (1.71%) SnowPro
5 1 (0.85%) ACCA
5 1 (0.85%) Azure Certification
5 1 (0.85%) CBAP
5 1 (0.85%) CIMA
5 1 (0.85%) Computer Science Degree
5 1 (0.85%) CSPO
5 1 (0.85%) DV Cleared
5 1 (0.85%) PMI Certification
5 1 (0.85%) RIBA
Quality Assurance & Compliance
1 14 (11.97%) QA
2 8 (6.84%) GDPR
3 5 (4.27%) Accessibility
4 1 (0.85%) Basel III
4 1 (0.85%) GRC
4 1 (0.85%) IFRS
4 1 (0.85%) IFRS 9
4 1 (0.85%) NIST
4 1 (0.85%) PMO
4 1 (0.85%) PSD2
4 1 (0.85%) Sarbanes-Oxley
System Software
1 4 (3.42%) Docker
2 1 (0.85%) Active Directory
Systems Management
1 5 (4.27%) Terraform
2 2 (1.71%) Kubernetes
Vendors
1 25 (21.37%) Microsoft
2 17 (14.53%) Databricks
3 9 (7.69%) Informatica
4 7 (5.98%) Oracle
4 7 (5.98%) SAP
4 7 (5.98%) Workday
5 4 (3.42%) Google
5 4 (3.42%) Salesforce
6 3 (2.56%) Palantir
6 3 (2.56%) ServiceNow
7 2 (1.71%) Lotus
7 2 (1.71%) MuleSoft
7 2 (1.71%) Splunk
7 2 (1.71%) Talend
8 1 (0.85%) Adobe
8 1 (0.85%) Alteryx
8 1 (0.85%) Bloomberg
8 1 (0.85%) Foundry
8 1 (0.85%) IBM
8 1 (0.85%) Pega