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

6 months to
21 Aug 2026
Same period 2025 Same period 2024
Rank 36 59 72
Rank change year-on-year +23 +13 +33
Contract jobs citing Data Quality 119 71 51
As % of all contract jobs in the City of London 5.09% 3.87% 2.47%
As % of the Quality Assurance & Compliance category 27.17% 19.67% 15.18%
Number of daily rates quoted 97 53 32
10th Percentile £400 £303 £363
25th Percentile £450 £413 £463
Median daily rate (50th Percentile) £540 £500 £550
Median % change year-on-year +8.00% -9.09% -12.00%
75th Percentile £650 £625 £647
90th Percentile £775 £760 £749
Central London median daily rate £545 £500 £550
% change year-on-year +9.00% -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 438 361 336
As % of all contract IT jobs advertised in the City of London 18.75% 19.69% 16.25%
Number of daily rates quoted 324 254 218
10th Percentile £385 £338 £363
25th Percentile £465 £418 £463
Median daily rate (50th Percentile) £550 £545 £575
Median % change year-on-year +0.92% -5.22% -4.17%
75th Percentile £669 £700 £675
90th Percentile £775 £825 £768
Central London median daily rate £550 £550 £565
% change year-on-year - -2.65% -5.83%
Number of hourly rates quoted 1 5 2
10th Percentile - £23.83 £16.60
25th Percentile £72.25 £26.57 £17.50
Median hourly rate £74.50 £34.00 £20.00
Median % change year-on-year +119.12% +70.00% -
75th Percentile £76.75 £56.75 £22.50
90th Percentile - £75.95 £23.40
Central London median hourly rate £57.50 £34.00 £23.80
% change year-on-year +69.12% +42.86% -

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 21 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 14 (11.76%) Apache Airflow
2 8 (6.72%) Apache
2 8 (6.72%) Apache Spark
3 4 (3.36%) Confluence
4 3 (2.52%) SharePoint
5 2 (1.68%) HCL Notes
6 1 (0.84%) Microsoft Exchange
6 1 (0.84%) Palantir Foundry
6 1 (0.84%) SAS
Applications
1 11 (9.24%) Microsoft Excel
2 2 (1.68%) Microsoft PowerPoint
2 2 (1.68%) MS Visio
3 1 (0.84%) Spreadsheet
Business Applications
1 5 (4.20%) BambooHR
2 2 (1.68%) SAP MDG
2 2 (1.68%) SAP S/4HANA
3 1 (0.84%) Actimize
3 1 (0.84%) Advent Moxy
3 1 (0.84%) Advent Portfolio Exchange
3 1 (0.84%) Aladdin
3 1 (0.84%) Maximo
3 1 (0.84%) Oracle Financials
3 1 (0.84%) SAP R/3
3 1 (0.84%) Workday HCM
Cloud Services
1 40 (33.61%) Azure
2 28 (23.53%) Power Platform
3 19 (15.97%) AWS
4 16 (13.45%) Snowflake
5 15 (12.61%) Azure Data Factory
5 15 (12.61%) dbt
6 13 (10.92%) Azure DevOps
7 9 (7.56%) GCP
7 9 (7.56%) Prefect
8 7 (5.88%) Amazon S3
8 7 (5.88%) Dagster
9 6 (5.04%) Azure Synapse Analytics
9 6 (5.04%) Serverless
10 5 (4.20%) GitHub
11 4 (3.36%) AWS Lambda
11 4 (3.36%) Collibra
11 4 (3.36%) Microsoft Purview
11 4 (3.36%) SaaS
12 3 (2.52%) PowerApps
13 2 (1.68%) Azure Stack
Communications & Networking
1 2 (1.68%) SSL
Database & Business Intelligence
1 28 (23.53%) Power BI
2 25 (21.01%) Data Warehouse
3 19 (15.97%) Metadata
4 11 (9.24%) Data Lake
4 11 (9.24%) Tableau
5 9 (7.56%) Amazon Redshift
5 9 (7.56%) BigQuery
6 7 (5.88%) Relational Database
7 6 (5.04%) SQL Server
8 5 (4.20%) Looker
8 5 (4.20%) Star Schema
9 4 (3.36%) Amazon RDS
9 4 (3.36%) Enterprise Data Warehouse
9 4 (3.36%) NoSQL
9 4 (3.36%) Snowflake Schema
10 3 (2.52%) Azure SQL Database
10 3 (2.52%) Delta Lake
10 3 (2.52%) MongoDB
10 3 (2.52%) Semantic Layer
11 2 (1.68%) Amazon Athena
Development Applications
1 4 (3.36%) JIRA
2 2 (1.68%) Atlassian Bamboo
2 2 (1.68%) Bitbucket
2 2 (1.68%) Git
3 1 (0.84%) Eclipse
3 1 (0.84%) MLflow
General
1 52 (43.70%) Finance
2 38 (31.93%) Social Skills
3 31 (26.05%) Analytical Skills
4 21 (17.65%) Banking
5 9 (7.56%) Legal
5 9 (7.56%) Public Sector
6 4 (3.36%) Front Office
6 4 (3.36%) Influencing Skills
6 4 (3.36%) Investment Banking
6 4 (3.36%) Telecoms
7 3 (2.52%) Marketing
7 3 (2.52%) Retail
8 2 (1.68%) Advertising
8 2 (1.68%) Documentation Skills
8 2 (1.68%) Inclusion and Diversity
8 2 (1.68%) Pharmaceutical
9 1 (0.84%) Financial Institution
9 1 (0.84%) Military
9 1 (0.84%) Organisational Skills
9 1 (0.84%) Publishing
Job Titles
1 32 (26.89%) Analyst
2 27 (22.69%) Data Engineer
3 20 (16.81%) Data Analyst
4 17 (14.29%) Architect
5 14 (11.76%) Data Architect
6 12 (10.08%) Business Analyst
7 9 (7.56%) Lead
7 9 (7.56%) Senior
8 7 (5.88%) Developer
9 6 (5.04%) Senior Data Engineer
10 4 (3.36%) Data Business Analyst
10 4 (3.36%) Financial Analyst
11 3 (2.52%) Administrator
11 3 (2.52%) Business Intelligence Analyst
11 3 (2.52%) Consultant
11 3 (2.52%) Data Modeller
11 3 (2.52%) GCP Data Engineer
11 3 (2.52%) SAP Analyst
11 3 (2.52%) Senior Analyst
11 3 (2.52%) Snowflake Data Engineer
Libraries, Frameworks & Software Standards
1 19 (15.97%) PySpark
2 7 (5.88%) Kafka
3 6 (5.04%) Terraform
4 4 (3.36%) JSON
5 3 (2.52%) Middleware
6 2 (1.68%) Great Expectations
6 2 (1.68%) Node.js
6 2 (1.68%) PCRE
6 2 (1.68%) pytest
6 2 (1.68%) React
6 2 (1.68%) Regular Expression
6 2 (1.68%) REST
6 2 (1.68%) Web Services
7 1 (0.84%) DCOM
7 1 (0.84%) Oracle Fusion
7 1 (0.84%) PyTorch
7 1 (0.84%) Spark Streaming
7 1 (0.84%) Spring Boot
7 1 (0.84%) XML
7 1 (0.84%) XSLT
Miscellaneous
1 14 (11.76%) Data Structures
2 7 (5.88%) Onboarding
3 6 (5.04%) Cloud Native
3 6 (5.04%) Management Information System
3 6 (5.04%) Product Ownership
4 5 (4.20%) Reference Data
5 3 (2.52%) CMDB
5 3 (2.52%) Legacy Systems
6 2 (1.68%) Analytical Mindset
6 2 (1.68%) Clustering
6 2 (1.68%) Credit Risk
6 2 (1.68%) Fixed Income
6 2 (1.68%) FMCG
6 2 (1.68%) Foreign Exchange (FX)
6 2 (1.68%) Hedge funds
6 2 (1.68%) Hybrid Cloud
6 2 (1.68%) Low-Code
6 2 (1.68%) NHS
7 1 (0.84%) Mainframe
7 1 (0.84%) PMI
Operating Systems
1 2 (1.68%) Linux
1 2 (1.68%) Unix
1 2 (1.68%) Windows
Processes & Methodologies
1 59 (49.58%) Data Modelling
2 58 (48.74%) Analytics
3 49 (41.18%) Data Governance
4 36 (30.25%) Validation
5 35 (29.41%) Business Intelligence
5 35 (29.41%) Data Pipeline
6 33 (27.73%) ETL
7 31 (26.05%) Data Engineering
8 29 (24.37%) Stakeholder Management
9 27 (22.69%) Stakeholder Engagement
10 26 (21.85%) Agile
11 25 (21.01%) Migration
12 24 (20.17%) AI
13 21 (17.65%) CI/CD
13 21 (17.65%) Data Architecture
13 21 (17.65%) Decision-Making
13 21 (17.65%) DevOps
14 19 (15.97%) Data Migration
15 18 (15.13%) Data Lineage
16 17 (14.29%) Data Analysis
Programming Languages
1 62 (52.10%) SQL
2 42 (35.29%) Python
3 7 (5.88%) Java
4 6 (5.04%) Data Analysis Expressions
5 4 (3.36%) PowerShell
6 3 (2.52%) PL/SQL
6 3 (2.52%) Scala
7 2 (1.68%) C#
7 2 (1.68%) Perl
8 1 (0.84%) Bicep
8 1 (0.84%) SOQL
8 1 (0.84%) T-SQL
8 1 (0.84%) VBA
Qualifications
1 13 (10.92%) Security Cleared
2 12 (10.08%) SC Cleared
3 5 (4.20%) Degree
4 2 (1.68%) DBS Check
4 2 (1.68%) SnowPro
5 1 (0.84%) ACCA
5 1 (0.84%) Azure Certification
5 1 (0.84%) BPSS Clearance
5 1 (0.84%) CBAP
5 1 (0.84%) CIMA
5 1 (0.84%) Computer Science Degree
5 1 (0.84%) CSPO
5 1 (0.84%) DV Cleared
5 1 (0.84%) PMI Certification
5 1 (0.84%) TOGAF Certification
Quality Assurance & Compliance
1 13 (10.92%) QA
2 9 (7.56%) GDPR
3 5 (4.20%) Accessibility
4 1 (0.84%) Basel III
4 1 (0.84%) GRC
4 1 (0.84%) IFRS
4 1 (0.84%) IFRS 9
4 1 (0.84%) ISO/IEC 19770
4 1 (0.84%) PSD2
4 1 (0.84%) Sarbanes-Oxley
System Software
1 4 (3.36%) Docker
2 1 (0.84%) Active Directory
2 1 (0.84%) VMware Infrastructure
Systems Management
1 2 (1.68%) Kubernetes
Vendors
1 31 (26.05%) Microsoft
2 23 (19.33%) Databricks
3 10 (8.40%) SAP
4 8 (6.72%) Informatica
4 8 (6.72%) Oracle
5 7 (5.88%) Workday
6 5 (4.20%) ServiceNow
7 4 (3.36%) Google
7 4 (3.36%) Salesforce
8 3 (2.52%) IBM
8 3 (2.52%) Palantir
9 2 (1.68%) Adobe
9 2 (1.68%) Lotus
9 2 (1.68%) Splunk
10 1 (0.84%) Advent
10 1 (0.84%) Bloomberg
10 1 (0.84%) Foundry
10 1 (0.84%) Pega
10 1 (0.84%) Talend
10 1 (0.84%) VMware