The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Data Cleansing skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Cleansing over the 3 months to 22 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 Cleansing (Data Cleaning, Data Scrubbing)
London / City of London
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 154 156 179
Rank change year-on-year +2 +23  
Contract jobs citing Data Cleansing 11 13 33
As % of all contract IT jobs advertised in the City of London 0.33% 0.38% 0.57%
As % of the Processes & Methodologies category 0.38% 0.45% 0.70%
Number of daily rates quoted 8 9 28
Median daily rate £468 £450 £363
Median daily rate % change year-on-year +3.88% +24.13%  
90% offered a daily rate of more than £436 £370 £137
10% offered a daily rate of more than £556 £463 £483
UK excluding London median daily rate £408 £400 £350
% change year-on-year +1.87% +14.28%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £16.31 £15.25 £33.00
% change year-on-year +6.96% -53.78%  

Data Cleansing 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 2903 2921 4710
As % of all contract IT job vacancies advertised in the City of London 88.08% 85.81% 81.04%
Number of daily rates quoted 2223 2386 3712
Median daily rate £500 £475 £475
Median daily rate % change year-on-year +5.26% -  
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 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 25 26 56
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 £15.00
10% offered a hourly rate of more than £41.00 £44.00 £55.50
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

Data Cleansing
Job Vacancy Trend in the City of London

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

Job vacancy trend for Data Cleansing in the City of London

Data Cleansing
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 Cleansing in the City of London.

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

Data Cleansing
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Data Cleansing in the City of London over the 3 months to 22 June 2017.

Contractor daily rate histogram for Data Cleansing in the City of London

Data Cleansing
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 Cleansing in the City of London.

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

For the 6 months to 22 June 2017, IT contractor jobs citing Data Cleansing 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 Cleansing.

1 12 (48.00%) SQL
2 10 (40.00%) Data Management
2 10 (40.00%) Data Analysis
3 9 (36.00%) Finance
3 9 (36.00%) Business Intelligence
4 8 (32.00%) Analytics
5 7 (28.00%) Power BI
5 7 (28.00%) Data Modelling
5 7 (28.00%) Microsoft Excel
6 6 (24.00%) SQL Server
6 6 (24.00%) Management Information System
6 6 (24.00%) Analytical Skills
6 6 (24.00%) Data Quality
6 6 (24.00%) SQL Server Integration Services
6 6 (24.00%) SQL Server Analysis Services
7 5 (20.00%) Reference Data
7 5 (20.00%) Data Entry
7 5 (20.00%) Migration
7 5 (20.00%) T-SQL
7 5 (20.00%) ETL
7 5 (20.00%) Microsoft
8 4 (16.00%) Data Warehouse
8 4 (16.00%) SC Cleared
8 4 (16.00%) Security Cleared
8 4 (16.00%) SQL Server 2012
8 4 (16.00%) Data Analysis Expressions (DAX)
8 4 (16.00%) SQL Server 2016
9 3 (12.00%) Data Analytics
9 3 (12.00%) Agile Software Development
9 3 (12.00%) IBM

Data Cleansing
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 7 (28.00%) Microsoft Excel
2 2 (8.00%) Microsoft Office
2 2 (8.00%) MS Visio
3 1 (4.00%) Microsoft PowerPoint
3 1 (4.00%) Microsoft Project
Business Applications
1 1 (4.00%) Oracle EBS
1 1 (4.00%) Oracle Payroll
Cloud Services
1 1 (4.00%) Microsoft Azure
1 1 (4.00%) SaaS
Database & Business Intelligence
1 7 (28.00%) Power BI
2 6 (24.00%) SQL Server
2 6 (24.00%) SQL Server Analysis Services
2 6 (24.00%) SQL Server Integration Services
3 4 (16.00%) Data Warehouse
3 4 (16.00%) SQL Server 2012
3 4 (16.00%) SQL Server 2016
4 2 (8.00%) Data Mining
4 2 (8.00%) MySQL
4 2 (8.00%) Relational Database
5 1 (4.00%) Azure SQL Database
5 1 (4.00%) Big Data
5 1 (4.00%) Data Mart
5 1 (4.00%) Hadoop
5 1 (4.00%) MarkLogic
5 1 (4.00%) MS Access
5 1 (4.00%) Oracle BI EE
5 1 (4.00%) Oracle Database 11g
5 1 (4.00%) QlikView
5 1 (4.00%) RDBMS
Development Applications
1 2 (8.00%) ERwin
1 2 (8.00%) Talend Open Studio
General
1 9 (36.00%) Finance
2 3 (12.00%) Legal
3 2 (8.00%) Retail
4 1 (4.00%) Banking
4 1 (4.00%) Publishing
Job Titles
1 12 (48.00%) Analyst
2 11 (44.00%) Data Analyst
3 5 (20.00%) Data Cleansing Analyst
3 5 (20.00%) Developer
4 4 (16.00%) Business Intelligence Developer
4 4 (16.00%) Power BI Developer
4 4 (16.00%) SQL BI Developer
4 4 (16.00%) SQL Developer
4 4 (16.00%) SSIS Developer
4 4 (16.00%) T-SQL Developer
5 3 (12.00%) Data Quality Analyst
5 3 (12.00%) SQL Analyst
5 3 (12.00%) SQL Data Analyst
6 2 (8.00%) DevOps Engineer
6 2 (8.00%) Quality Analyst
6 2 (8.00%) Senior Analyst
6 2 (8.00%) Senior Data Analyst
7 1 (4.00%) Data Manager
7 1 (4.00%) Report Analyst
7 1 (4.00%) SAP Consultant
Libraries, Frameworks & Software Standards
1 1 (4.00%) Oracle Fusion
Miscellaneous
1 6 (24.00%) Analytical Skills
1 6 (24.00%) Management Information System
2 5 (20.00%) Reference Data
3 2 (8.00%) Blog
4 1 (4.00%) PMI
4 1 (4.00%) Private Cloud
4 1 (4.00%) W3C
Operating Systems
1 2 (8.00%) Linux
1 2 (8.00%) Mac OS X
1 2 (8.00%) Unix
2 1 (4.00%) Windows
Processes & Methodologies
1 10 (40.00%) Data Analysis
1 10 (40.00%) Data Management
2 9 (36.00%) Business Intelligence
3 8 (32.00%) Analytics
4 7 (28.00%) Data Modelling
5 5 (20.00%) Data Entry
5 5 (20.00%) ETL
5 5 (20.00%) Migration
6 3 (12.00%) Agile Software Development
6 3 (12.00%) Data Analytics
7 2 (8.00%) Configuration Management
7 2 (8.00%) Data Governance
7 2 (8.00%) Data Migration
7 2 (8.00%) DevOps
7 2 (8.00%) Line Management
7 2 (8.00%) Mentoring
7 2 (8.00%) Practice Management
7 2 (8.00%) Project Management
7 2 (8.00%) Quality Management
7 2 (8.00%) Stakeholder Engagement
Programming Languages
1 12 (48.00%) SQL
2 5 (20.00%) T-SQL
3 4 (16.00%) Data Analysis Expressions (DAX)
4 3 (12.00%) Python
5 1 (4.00%) R
Qualifications
1 4 (16.00%) SC Cleared
1 4 (16.00%) Security Cleared
2 1 (4.00%) APMP
2 1 (4.00%) Degree
2 1 (4.00%) PMI Certification
2 1 (4.00%) PMP
Quality Assurance & Compliance
1 6 (24.00%) Data Quality
2 2 (8.00%) GDPR
3 1 (4.00%) P3O
3 1 (4.00%) WCAG
Vendors
1 5 (20.00%) Microsoft
2 3 (12.00%) IBM
2 3 (12.00%) Informatica
3 2 (8.00%) Oracle
3 2 (8.00%) Talend
4 1 (4.00%) Alteryx
4 1 (4.00%) Cisco
4 1 (4.00%) SAP
4 1 (4.00%) Sybase
4 1 (4.00%) Tableau
4 1 (4.00%) Teradata