Period
to 10 August 2020

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Data Quality skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Quality over the 6 months to 10 August 2020 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Data Quality
Central London > City of London
6 months to
10 Aug 2020
Same period 2019 Same period 2018
Rank 106 149 188
Rank change year-on-year +43 +39 -20
Contract jobs citing Data Quality 23 90 68
As % of all contract jobs advertised in the City of London 1.04% 1.38% 0.97%
As % of the Quality Assurance & Compliance category 9.47% 15.76% 9.29%
Number of daily rates quoted 13 68 45
Median daily rate £575 £550 £475
Median daily rate % change year-on-year +4.55% +15.79% -5.00%
10th Percentile £340 £376 £300
90th Percentile £945 £629 £613
Central London median daily rate £525 £550 £544
% change year-on-year -4.55% +1.15% +11.54%
Number of hourly rates quoted 0 2 1
Median hourly rate - £12.75 £15.55
Median hourly rate % change year-on-year - -18.01% -
Central London median hourly rate - £12.75 £15.55
% change year-on-year - -18.01% -

Data Quality is in the Quality Assurance and Compliance category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for quality assurance or compliance skills.

All Quality Assurance and Compliance Skills
City of London
Contract vacancies with a requirement for quality assurance or compliance skills 243 571 732
As % of all contract IT jobs advertised in the City of London 11.00% 8.75% 10.42%
Number of daily rates quoted 139 433 555
Median daily rate £475 £500 £475
Median daily rate % change year-on-year -5.00% +5.26% -9.52%
10th Percentile £300 £325 £304
90th Percentile £650 £675 £675
Central London median daily rate £475 £500 £475
% change year-on-year -5.00% +5.26% -5.00%
Number of hourly rates quoted 5 7 9
Median hourly rate £38.50 £17.66 £18.70
Median hourly rate % change year-on-year +118.01% -5.56% +24.67%
10th Percentile £28.49 £11.25 £14.60
90th Percentile £52.25 £95.70 £46.50
Median hourly rate £38.50 £18.58 £18.85
% change year-on-year +107.21% -1.43% +26.30%

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 10 August 2020.

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
Contract Job Locations in the City of London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Quality within the City of London region over the 6 months to 10 August 2020. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London Bridge +21 1 £400 -27.27%
Data Quality
Central London

For the 6 months to 10 August 2020, IT contractor jobs citing Data Quality also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Data Quality.

1 14 (60.87%) Data Modelling
2 10 (43.48%) SQL
3 7 (30.43%) Data Warehouse
3 7 (30.43%) Migration
3 7 (30.43%) Data Management
3 7 (30.43%) Data Governance
4 6 (26.09%) ETL
5 5 (21.74%) Finance
5 5 (21.74%) Agile Software Development
5 5 (21.74%) Business Intelligence
5 5 (21.74%) Microsoft
5 5 (21.74%) Analytics
5 5 (21.74%) Visualisation
5 5 (21.74%) Azure
5 5 (21.74%) Alteryx
5 5 (21.74%) Data Analysis
5 5 (21.74%) Data Migration
5 5 (21.74%) Data Mapping
6 4 (17.39%) Microsoft Excel
6 4 (17.39%) Power BI
6 4 (17.39%) Greenfield Project
6 4 (17.39%) Power Platform
7 3 (13.04%) Mentoring
7 3 (13.04%) Management Information System
7 3 (13.04%) SQL Server
7 3 (13.04%) Stakeholder Management
7 3 (13.04%) Data Integration
7 3 (13.04%) QA
7 3 (13.04%) Use Case
7 3 (13.04%) SQL Server Integration Services

Data Quality
Co-occurring IT Skills in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (4.35%) SAS
Applications
1 4 (17.39%) Microsoft Excel
2 2 (8.70%) Microsoft Office
2 2 (8.70%) MS Visio
3 1 (4.35%) Microsoft PowerPoint
Cloud Services
1 5 (21.74%) Azure
2 4 (17.39%) Power Platform
3 2 (8.70%) Azure Data Factory
3 2 (8.70%) Power Automate
3 2 (8.70%) PowerApps
Communications & Networking
1 1 (4.35%) PuTTY
Database & Business Intelligence
1 7 (30.43%) Data Warehouse
2 4 (17.39%) Power BI
3 3 (13.04%) SQL Server
3 3 (13.04%) SQL Server Integration Services
4 2 (8.70%) Azure SQL Data Warehouse
4 2 (8.70%) Azure SQL Database
4 2 (8.70%) BusinessObjects
4 2 (8.70%) Data Lake
4 2 (8.70%) PowerPivot
4 2 (8.70%) SQL Server Analysis Services
5 1 (4.35%) Apache Hive
5 1 (4.35%) Big Data
5 1 (4.35%) Hadoop
5 1 (4.35%) SAP Data Services
General
1 5 (21.74%) Finance
2 1 (4.35%) Banking
2 1 (4.35%) Investment Banking
2 1 (4.35%) Legal
2 1 (4.35%) Marketing
2 1 (4.35%) Public Sector
2 1 (4.35%) Publishing
Job Titles
1 9 (39.13%) Analyst
2 7 (30.43%) Data Analyst
3 6 (26.09%) Developer
4 3 (13.04%) Architect
5 2 (8.70%) Analyst Developer
5 2 (8.70%) Business Analyst
5 2 (8.70%) Business Intelligence Analyst
5 2 (8.70%) Business Intelligence Developer
5 2 (8.70%) Business Intelligence Specialist
5 2 (8.70%) Consultant
5 2 (8.70%) Data Architect
5 2 (8.70%) Data Business Analyst
5 2 (8.70%) Data Consultant
5 2 (8.70%) Data Integration Analyst
5 2 (8.70%) Delivery Manager
5 2 (8.70%) Integration Analyst
5 2 (8.70%) Power BI Analyst
5 2 (8.70%) Principal Developer
5 2 (8.70%) SQL Data Analyst
5 2 (8.70%) SQL Developer
Libraries, Frameworks & Software Standards
1 1 (4.35%) .NET
1 1 (4.35%) .NET Framework
1 1 (4.35%) XML
Miscellaneous
1 4 (17.39%) Greenfield Project
2 3 (13.04%) Management Information System
3 2 (8.70%) Analytical Skills
3 2 (8.70%) Credit Risk
3 2 (8.70%) Data Structures
3 2 (8.70%) User Experience
4 1 (4.35%) Algorithms
4 1 (4.35%) Derivative
4 1 (4.35%) Enterprise Software
4 1 (4.35%) NHS
4 1 (4.35%) OTC Derivatives
4 1 (4.35%) Reference Data
4 1 (4.35%) Self-Motivation
Operating Systems
1 2 (8.70%) Windows
Processes & Methodologies
1 14 (60.87%) Data Modelling
2 7 (30.43%) Data Governance
2 7 (30.43%) Data Management
2 7 (30.43%) Migration
3 6 (26.09%) ETL
4 5 (21.74%) Agile Software Development
4 5 (21.74%) Analytics
4 5 (21.74%) Business Intelligence
4 5 (21.74%) Data Analysis
4 5 (21.74%) Data Mapping
4 5 (21.74%) Data Migration
4 5 (21.74%) Visualisation
5 3 (13.04%) Data Integration
5 3 (13.04%) Mentoring
5 3 (13.04%) Stakeholder Management
5 3 (13.04%) Use Case
6 2 (8.70%) Business Analysis
6 2 (8.70%) Data Cleansing
6 2 (8.70%) Data Visualisation
6 2 (8.70%) TOGAF
Programming Languages
1 10 (43.48%) SQL
2 2 (8.70%) Data Analysis Expressions (DAX)
2 2 (8.70%) T-SQL
3 1 (4.35%) C#
3 1 (4.35%) Python
3 1 (4.35%) R
3 1 (4.35%) Scala
3 1 (4.35%) VBA
3 1 (4.35%) VC++
Qualifications
1 2 (8.70%) Degree
2 1 (4.35%) CISM
2 1 (4.35%) TOGAF Certification
Quality Assurance & Compliance
1 3 (13.04%) QA
2 1 (4.35%) COBIT
2 1 (4.35%) Sarbanes-Oxley
Vendors
1 5 (21.74%) Alteryx
1 5 (21.74%) Microsoft
2 3 (13.04%) Tableau
3 2 (8.70%) SAP
3 2 (8.70%) Talend
4 1 (4.35%) Oracle