The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Data Validation skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Validation over the 3 months to 25 June 2017 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 Validation
London / City of London
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 159 161 189
Rank change year-on-year +2 +28  
Contract jobs citing Data Validation 4 5 13
As % of all contract IT jobs advertised in the City of London 0.12% 0.15% 0.22%
As % of the Processes & Methodologies category 0.14% 0.18% 0.28%
Number of daily rates quoted 3 3 11
Median daily rate £450 £500 £500
Median daily rate % change year-on-year -10.00% -  
UK excluding London median daily rate £363 £400 £350
% change year-on-year -9.37% +14.28%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £18.00 £43.00 £17.00
% change year-on-year -58.13% +152.94%  

Data Validation is in the process and methodology skills category. The next 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 process and methodology skills.

Contract Process & Methodology Skills
City of London
Contract job vacancies with a requirement for process and methodology skills 2887 2854 4724
As % of all contract IT job vacancies advertised in the City of London 88.15% 85.89% 81.15%
Number of daily rates quoted 2218 2339 3709
Median daily rate £500 £475 £470
Median daily rate % change year-on-year +5.26% +1.06%  
90% offered a daily rate of more than £350 £335 £325
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 23 23 57
Median hourly rate £20.00 £19.00 £24.50
Median hourly rate % change year-on-year +5.26% -22.44%  
90% offered a hourly rate of more than £14.75 £12.50 £14.90
10% offered a hourly rate of more than £41.00 £35.20 £55.50
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

Data Validation
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Data Validation as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Data Validation in the City of London

Data Validation
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Data Validation in the City of London.

Contractor daily rate trend for Data Validation in the City of London

Data Validation
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Data Validation in the City of London.

Contractor hourly rate trend for Data Validation in the City of London

For the 6 months to 25 June 2017, IT contractor jobs citing Data Validation also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Data Validation.

1 6 (100.00%) Validation
2 4 (66.67%) ETL
2 4 (66.67%) SQL
2 4 (66.67%) Data Warehouse
3 2 (33.33%) Microsoft Excel
3 2 (33.33%) SQL Server
3 2 (33.33%) Business Intelligence
3 2 (33.33%) Retail
3 2 (33.33%) SQL Server Integration Services
3 2 (33.33%) Data Quality
3 2 (33.33%) SQL Server 2008
3 2 (33.33%) Finance
4 1 (16.67%) Talend Open Studio
4 1 (16.67%) Git (software)
4 1 (16.67%) Reverse Engineering
4 1 (16.67%) Team Foundation Server
4 1 (16.67%) Test Automation
4 1 (16.67%) Hadoop
4 1 (16.67%) Puppet
4 1 (16.67%) Tableau
4 1 (16.67%) Project Governance
4 1 (16.67%) Change Control
4 1 (16.67%) Test Strategy
4 1 (16.67%) Markit EDM
4 1 (16.67%) Talend
4 1 (16.67%) Business Transformation
4 1 (16.67%) Analytics
4 1 (16.67%) Performance Tuning
4 1 (16.67%) SQL Server Management Studio (SSMS)
4 1 (16.67%) DevOps

Data Validation
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:

Applications
1 2 (33.33%) Microsoft Excel
2 1 (16.67%) Microsoft Office
2 1 (16.67%) Microsoft PowerPoint
Business Applications
1 1 (16.67%) Eagle PACE
1 1 (16.67%) Markit EDM
Database & Business Intelligence
1 4 (66.67%) Data Warehouse
2 2 (33.33%) SQL Server
2 2 (33.33%) SQL Server 2008
2 2 (33.33%) SQL Server Integration Services
3 1 (16.67%) Essbase
3 1 (16.67%) Hadoop
3 1 (16.67%) SQL Server 2005
Development Applications
1 1 (16.67%) ERwin
1 1 (16.67%) Git (software)
1 1 (16.67%) HP UFT
1 1 (16.67%) SQL Server Management Studio (SSMS)
1 1 (16.67%) Subversion
1 1 (16.67%) Talend Open Studio
1 1 (16.67%) Team Foundation Server
1 1 (16.67%) TestLink
1 1 (16.67%) Visual Studio
General
1 2 (33.33%) Finance
1 2 (33.33%) Retail
2 1 (16.67%) Banking
Job Titles
1 4 (66.67%) Analyst
2 2 (33.33%) Data Analyst
2 2 (33.33%) Developer
3 1 (16.67%) Applications Support
3 1 (16.67%) Applications Support Analyst
3 1 (16.67%) Business Analyst
3 1 (16.67%) Business Intelligence Developer
3 1 (16.67%) Business IT Analyst
3 1 (16.67%) Data Quality Analyst
3 1 (16.67%) ETL Developer
3 1 (16.67%) IT Analyst
3 1 (16.67%) IT Business Analyst
3 1 (16.67%) Microsoft Developer
3 1 (16.67%) Report Developer
3 1 (16.67%) Senior Analyst
3 1 (16.67%) Senior Data Analyst
3 1 (16.67%) SQL Developer
3 1 (16.67%) SQL Server Developer
3 1 (16.67%) Support Analyst
3 1 (16.67%) Test Analyst
Libraries, Frameworks & Software Standards
1 1 (16.67%) XML
Miscellaneous
1 1 (16.67%) Data Structures
1 1 (16.67%) Derivative
1 1 (16.67%) Equities
1 1 (16.67%) Fixed Income
1 1 (16.67%) Pricing Data
Processes & Methodologies
1 6 (100.00%) Validation
2 4 (66.67%) ETL
3 2 (33.33%) Business Intelligence
4 1 (16.67%) Analytics
4 1 (16.67%) Asset Management
4 1 (16.67%) BCP
4 1 (16.67%) Business Transformation
4 1 (16.67%) Change Control
4 1 (16.67%) Change Management
4 1 (16.67%) Data Cleansing
4 1 (16.67%) Data Modelling
4 1 (16.67%) GAP Analysis
4 1 (16.67%) Incident Management
4 1 (16.67%) Performance Tuning
4 1 (16.67%) Project Governance
4 1 (16.67%) Regression Testing
4 1 (16.67%) Release Management
4 1 (16.67%) Reverse Engineering
4 1 (16.67%) Test Strategy
4 1 (16.67%) Workflow
Programming Languages
1 4 (66.67%) SQL
Quality Assurance & Compliance
1 2 (33.33%) Data Quality
Systems Management
1 1 (16.67%) Puppet
Vendors
1 1 (16.67%) Charles River
1 1 (16.67%) Microsoft
1 1 (16.67%) Tableau
1 1 (16.67%) Talend