The table below looks at the statistics for Data Quality skills in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited Data Quality over the 3 months to 24 January 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
24 Jan 2017
Same period 2016 Same period 2015
Data Quality
London / City of London
Rank 109 102 119
Rank change year-on-year
-7 +17
Contract jobs citing Data Quality 38 49 67
As % of all contract IT jobs located in the City of London 1.30% 1.62% 1.34%
As % of the Quality Assurance & Compliance category 12.22% 15.17% 15.09%
Number of daily rates quoted 28 38 40
Median daily rate £450 £463 £424
Median daily rate % change year-on-year
-2.70% +9.14%
90% offered a daily rate of more than £346 £171 £334
10% offered a daily rate of more than £590 £533 £553
UK excluding London median daily rate £425 £400 £400
% change year-on-year
+6.25% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £18.50 £19.50 £27.25
% change year-on-year
-5.12% -28.44%

The following table is for comparison with the above and provides statistics for the entire Quality Assurance & Compliance category in contract jobs advertised in the City of London region.

Quality Assurance & Compliance Category
City of London
Contract IT job ads with a match in the
Quality Assurance & Compliance category
311 323 444
As % of all contract IT jobs located in the City of London 10.60% 10.66% 8.86%
Number of daily rates quoted 224 226 336
Median daily rate £475 £475 £450
Median daily rate % change year-on-year
- +5.55%
90% offered a daily rate of more than £350 £299 £278
10% offered a daily rate of more than £648 £625 £575
UK excluding London median daily rate £405 £400 £375
% change year-on-year
+1.25% +6.66%
Number of hourly rates quoted 2 7 3
Median hourly rate £16.50 £31.50 £17.50
Median hourly rate % change year-on-year
-47.61% +80.00%
90% offered a hourly rate of more than £14.50 £22.00 £16.70
10% offered a hourly rate of more than £18.50 £50.00 £38.50
UK excluding London median hourly rate £21.98 £42.00 £24.00
% change year-on-year
-47.67% +75.00%

Data Quality
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing Data Quality as a proportion of all IT contracts with a match in the Quality Assurance & Compliance category.

Data Quality Jobs Demand Trend in the City of London

Data Quality
Daily Rate Trend in the City of London

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

Data Quality Daily Rate Trend in the City of London

Data Quality
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Data Quality across the City of London region over the 3 months to 24 January 2017.

Data Quality Daily Rate Histogram in the City of London

Data Quality
Hourly Rate Trend in the City of London

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

Data Quality Hourly Rate Trend in the City of London

Data Quality
Top 30 Related IT Skills in the City of London

For the 6 months to 24 January 2017, IT contractor jobs citing Data Quality 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 Quality.

1 74 (77.89%) SQL
2 68 (71.58%) Data Modelling
3 49 (51.58%) Data Warehouse
4 39 (41.05%) ETL
5 37 (38.95%) Data Management
6 31 (32.63%) Business Intelligence
7 29 (30.53%) Finance
8 28 (29.47%) Oracle
9 26 (27.37%) Degree
10 25 (26.32%) Relational Database
11 24 (25.26%) R
12 22 (23.16%) Python
12 22 (23.16%) Data Analysis
13 20 (21.05%) Teradata
13 20 (21.05%) Statistics
14 18 (18.95%) Dimensional Modelling
14 18 (18.95%) Data Transformation
14 18 (18.95%) SDLC
14 18 (18.95%) Agile Software Development
15 16 (16.84%) C++
15 16 (16.84%) Sybase
15 16 (16.84%) DB2
15 16 (16.84%) Predictive Modelling
15 16 (16.84%) Netezza
16 15 (15.79%) NoSQL
16 15 (15.79%) Data Structures
17 14 (14.74%) Data Cleansing
18 13 (13.68%) Analytics
18 13 (13.68%) MS Excel
19 12 (12.63%) Big Data

Data Quality
Top Related 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 5 (5.26%) Apache Pig
1 5 (5.26%) SAS
2 4 (4.21%) Apache Spark
3 2 (2.11%) SharePoint
Applications
1 13 (13.68%) MS Excel
2 7 (7.37%) MS Office
3 6 (6.32%) MS PowerPoint
3 6 (6.32%) SPSS
4 1 (1.05%) MS Visio
Business Applications
1 2 (2.11%) Dynamics AX
1 2 (2.11%) Dynamics CRM
1 2 (2.11%) Eagle PACE
1 2 (2.11%) Markit EDM
1 2 (2.11%) Oracle EBS
2 1 (1.05%) SAP ERP
Database & Business Intelligence
1 49 (51.58%) Data Warehouse
2 25 (26.32%) Relational Database
3 16 (16.84%) DB2
4 15 (15.79%) NoSQL
5 12 (12.63%) Big Data
5 12 (12.63%) Hadoop
6 10 (10.53%) Data Mining
7 9 (9.47%) BusinessObjects
8 8 (8.42%) SQL Server
9 6 (6.32%) Apache Hive
10 5 (5.26%) Oracle ODI
11 4 (4.21%) MS Access
12 3 (3.16%) Enterprise Data Warehouse
12 3 (3.16%) Impala
12 3 (3.16%) Oracle OWB
12 3 (3.16%) Snowflake Schema
12 3 (3.16%) SQL Server Integration Services
12 3 (3.16%) SQL Server Reporting Services
13 2 (2.11%) Oracle Database 11g
13 2 (2.11%) RDBMS
Development Applications
1 8 (8.42%) ERwin
2 6 (6.32%) JIRA
3 1 (1.05%) Talend Open Studio
General
1 29 (30.53%) Finance
2 11 (11.58%) Banking
3 9 (9.47%) Retail
4 4 (4.21%) Legal
4 4 (4.21%) Marketing
4 4 (4.21%) Retail Banking
5 3 (3.16%) Investment Banking
6 1 (1.05%) Financial Institution
6 1 (1.05%) Law
6 1 (1.05%) Telecoms
Job Titles
1 51 (53.68%) Analyst
2 44 (46.32%) Data Analyst
3 23 (24.21%) Architect
4 21 (22.11%) Data Architect
5 16 (16.84%) SQL Analyst
5 16 (16.84%) SQL Data Analyst
6 13 (13.68%) Developer
7 9 (9.47%) Oracle Analyst
7 9 (9.47%) Teradata Analyst
8 8 (8.42%) Big Data Architect
9 5 (5.26%) Data Warehouse Architect
9 5 (5.26%) ETL Analyst
9 5 (5.26%) Lead Data Architect
10 3 (3.16%) Business Developer
10 3 (3.16%) Consultant
10 3 (3.16%) Data Governance Specialist
10 3 (3.16%) Data Warehouse Developer
10 3 (3.16%) ETL Architect
10 3 (3.16%) SAP BusinessObjects (BO) Developer
10 3 (3.16%) Senior Analyst
Libraries, Frameworks & Software Standards
1 2 (2.11%) MDX
2 1 (1.05%) Middleware
2 1 (1.05%) SAP CO-PA
2 1 (1.05%) Web Services
Miscellaneous
1 20 (21.05%) Statistics
2 15 (15.79%) Data Structures
3 11 (11.58%) Analytical Skills
3 11 (11.58%) Visualisation
4 8 (8.42%) Data Integration
5 5 (5.26%) Data Extraction
5 5 (5.26%) Economics
5 5 (5.26%) Management Information System
6 4 (4.21%) Credit Risk
6 4 (4.21%) Reference Data
7 3 (3.16%) Algorithms
7 3 (3.16%) Computer Science
7 3 (3.16%) Data Protection Act
7 3 (3.16%) Digital Media
7 3 (3.16%) Mathematics
8 1 (1.05%) Data Conversion
8 1 (1.05%) Market Risk
8 1 (1.05%) Replication
8 1 (1.05%) Virtual Team
Operating Systems
1 6 (6.32%) Unix
2 4 (4.21%) Windows
3 3 (3.16%) Windows Server
4 1 (1.05%) Linux
Processes & Methodologies
1 68 (71.58%) Data Modelling
2 39 (41.05%) ETL
3 37 (38.95%) Data Management
4 31 (32.63%) Business Intelligence
5 22 (23.16%) Data Analysis
6 18 (18.95%) Agile Software Development
6 18 (18.95%) Data Transformation
6 18 (18.95%) Dimensional Modelling
6 18 (18.95%) SDLC
7 16 (16.84%) Predictive Modelling
8 14 (14.74%) Data Cleansing
9 13 (13.68%) Analytics
10 11 (11.58%) Data Architecture
10 11 (11.58%) Data Governance
11 10 (10.53%) Data Ingestion
12 9 (9.47%) Migration
13 7 (7.37%) Data Migration
13 7 (7.37%) Data Visualisation
13 7 (7.37%) Project Management
13 7 (7.37%) Stakeholder Management
Programming Languages
1 74 (77.89%) SQL
2 24 (25.26%) R
3 22 (23.16%) Python
4 16 (16.84%) C++
5 4 (4.21%) PL/SQL
5 4 (4.21%) VBA
6 2 (2.11%) Java
6 2 (2.11%) Scala
6 2 (2.11%) T-SQL
Qualifications
1 26 (27.37%) Degree
2 2 (2.11%) PMP
3 1 (1.05%) BPSS Clearance
3 1 (1.05%) ISTQB
3 1 (1.05%) Security Cleared
Quality Assurance & Compliance
1 7 (7.37%) Solvency II
2 1 (1.05%) Disclosure Scotland
2 1 (1.05%) QA
Systems Management
1 3 (3.16%) Tivoli
2 2 (2.11%) Control-M
Vendors
1 28 (29.47%) Oracle
2 20 (21.05%) Teradata
3 16 (16.84%) Netezza
3 16 (16.84%) Sybase
4 9 (9.47%) Tableau
5 8 (8.42%) Microsoft
5 8 (8.42%) SAP
6 3 (3.16%) Informatica
6 3 (3.16%) MicroStrategy
7 2 (2.11%) Bloomberg
7 2 (2.11%) SimCorp
8 1 (1.05%) Cognos
8 1 (1.05%) Talend
8 1 (1.05%) TIBCO