The following table provides summary statistics for contract job vacancies advertised in Cardiff 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 23 March 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
Data Cleansing (Data Cleaning, Data Scrubbing)
South Wales / Cardiff
Rank 37 57 34
Rank change year-on-year +20 -23  
Contract jobs citing Data Cleansing 2 4 3
As % of all contract IT jobs advertised in Cardiff 0.59% 0.95% 1.13%
As % of the Processes & Methodologies category 0.68% 1.10% 1.46%
Number of daily rates quoted 1 2 3
Median daily rate £190 £350 £400
Median daily rate % change year-on-year -45.71% -12.50%  
UK excluding London median daily rate £350 £425 £400
% change year-on-year -17.64% +6.25%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £14.63 £13.50 £72.50
% change year-on-year +8.33% -81.37%  

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 Cardiff with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Cardiff
Contract job vacancies with a requirement for process and methodology skills 293 364 206
As % of all contract IT job vacancies advertised in Cardiff 86.43% 86.05% 77.74%
Number of daily rates quoted 243 263 156
Median daily rate £375 £375 £375
90% offered a daily rate of more than £186 £275 £238
10% offered a daily rate of more than £525 £460 £495
UK excluding London median daily rate £410 £400 £399
% change year-on-year +2.50% +0.29%  
Number of hourly rates quoted 7 12 10
Median hourly rate £26.00 £13.00 £17.83
Median hourly rate % change year-on-year +100.00% -27.06%  
90% offered a hourly rate of more than £15.10 £13.00 £12.00
10% offered a hourly rate of more than £33.25 £17.50 £32.50
UK excluding London median hourly rate £36.00 £39.00 £30.00
% change year-on-year -7.69% +30.00%  

Data Cleansing
Job Vacancy Trend in Cardiff

The job posting trend of jobs advertised in Cardiff 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 Cardiff

Data Cleansing
Contractor Daily Rate Trend in Cardiff

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Data Cleansing in Cardiff.

Contractor daily rate trend for Data Cleansing in Cardiff

Data Cleansing
Top 23 Related IT Skills in Cardiff

For the 6 months to 23 March 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 Cardiff region with a requirement for Data Cleansing.

1 2 (66.67%) Finance
2 1 (33.33%) Manufacturing
2 1 (33.33%) Migration
2 1 (33.33%) Stata
2 1 (33.33%) Data Analysis
2 1 (33.33%) Statistics
2 1 (33.33%) Degree
2 1 (33.33%) Mathematics
2 1 (33.33%) User Acceptance Testing
2 1 (33.33%) System Testing
2 1 (33.33%) Data Migration
2 1 (33.33%) Data Mapping
2 1 (33.33%) R
2 1 (33.33%) Big Data
2 1 (33.33%) Time Series Analysis
2 1 (33.33%) Analytical Skills
2 1 (33.33%) Data Structures
2 1 (33.33%) Sage X3
2 1 (33.33%) Postgraduate
2 1 (33.33%) ERP
2 1 (33.33%) SAS
2 1 (33.33%) Sage
2 1 (33.33%) Change Management

Data Cleansing
Top Related IT Skills in Cardiff 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 (33.33%) SAS
Applications
1 1 (33.33%) Stata
Business Applications
1 1 (33.33%) Sage X3
Database & Business Intelligence
1 1 (33.33%) Big Data
General
1 2 (66.67%) Finance
2 1 (33.33%) Manufacturing
Job Titles
1 1 (33.33%) Analyst
1 1 (33.33%) Business Analyst
1 1 (33.33%) Data Migration Specialist
1 1 (33.33%) ERP Analyst
1 1 (33.33%) ERP Business Analyst
1 1 (33.33%) Migration Specialist
Miscellaneous
1 1 (33.33%) Analytical Skills
1 1 (33.33%) Data Structures
Processes & Methodologies
1 1 (33.33%) Change Management
1 1 (33.33%) Data Analysis
1 1 (33.33%) Data Mapping
1 1 (33.33%) Data Migration
1 1 (33.33%) ERP
1 1 (33.33%) Mathematics
1 1 (33.33%) Migration
1 1 (33.33%) Statistics
1 1 (33.33%) System Testing
1 1 (33.33%) Time Series Analysis
1 1 (33.33%) User Acceptance Testing
Programming Languages
1 1 (33.33%) R
Qualifications
1 1 (33.33%) Degree
1 1 (33.33%) Postgraduate
Vendors
1 1 (33.33%) Sage