The table below looks at the prevalence of the term Inversion of Control in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited Inversion of Control over the 3 months to 28 August 2016 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
28 Aug 2016
Same period 2015 Same period 2014
Inversion of Control (IoC)
Rank 569 601 584
Rank change year-on-year
+32 -17
Contract jobs citing Inversion of Control 70 56 58
As % of all contract IT jobs located in the UK 0.13% 0.096% 0.10%
As % of the Miscellaneous category 0.39% 0.30% 0.31%
Number of daily rates quoted 52 53 46
Median daily rate £380 £425 £425
Median daily rate % change year-on-year
-10.58% -
90% offered a daily rate of more than £340 £300 £325
10% offered a daily rate of more than £525 £574 £503
UK excluding London median daily rate £365 £300 £350
% change year-on-year
+21.66% -14.28%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

The following table is for comparison with the above and provides statistics for the entire Miscellaneous category in contract jobs advertised across the UK.

Miscellaneous Category
UK
Contract IT job ads with a match in the
Miscellaneous category
17815 18938 18474
As % of all contract IT jobs located in the UK 33.41% 32.48% 32.80%
Number of daily rates quoted 11513 11873 11053
Median daily rate £425 £425 £400
Median daily rate % change year-on-year
- +6.25%
90% offered a daily rate of more than £250 £250 £240
10% offered a daily rate of more than £600 £612 £600
UK excluding London median daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 668 776 774
Median hourly rate £20.67 £20.50 £19.00
Median hourly rate % change year-on-year
+0.82% +7.89%
90% offered a hourly rate of more than £11.72 £12.00 £12.42
10% offered a hourly rate of more than £44.00 £46.47 £45.00
UK excluding London median hourly rate £22.50 £20.00 £19.00
% change year-on-year
+12.50% +5.26%

Inversion of Control
Jobs Demand Trend

The demand trend of contract jobs citing Inversion of Control as a proportion of all IT contracts with a match in the Miscellaneous category.

Inversion of Control Jobs Demand Trend in the UK

Inversion of Control
Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Inversion of Control within the UK.

Inversion of Control Daily Rate Trend in the UK

Inversion of Control
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing Inversion of Control within the UK over the 3 months to 28 August 2016.

Inversion of Control Daily Rate Histogram in the UK

Inversion of Control
Hourly Rate Trend

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Inversion of Control within the UK.

Inversion of Control Hourly Rate Trend in the UK

Inversion of Control
Top 19 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Inversion of Control within the UK over the 3 months to 28 August 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +11 65 £380 -10.58% 37
London -10 34 £465 -7.00% 17
Yorkshire - 24 £350 - 2
South Yorkshire - 22 £353 -
Sheffield - 20 £340 -
City of London +35 4 £425 +21.42%
North West +11 4 £344 +5.76% 4
Manchester +2 3 £363 +11.53% 1
Bristol - 2 £525 -
South West - 2 £525 - 1
Edinburgh - 2 - -
Scotland - 2 - - 1
West Midlands -25 1 £288 - 1
Coventry - 1 £288 -
Cheshire - 1 £325 - 3
Bury - 1 - -
Northwich - 1 £325 -
Leeds - 1 £350 -
West Yorkshire - 1 £350 - 2

Inversion of Control
Top 30 Related IT Skills

For the 6 months to 28 August 2016, IT contractor jobs citing Inversion of Control also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for Inversion of Control.

1 95 (75.40%) C#
2 94 (74.60%) .NET
3 85 (67.46%) SQL
3 85 (67.46%) MVC
4 73 (57.94%) Agile Software Development
5 70 (55.56%) SQL Server
6 66 (52.38%) jQuery
7 64 (50.79%) JavaScript
8 62 (49.21%) TDD
9 61 (48.41%) T-SQL
10 56 (44.44%) ASP.NET
11 52 (41.27%) HTML
12 51 (40.48%) .NET Framework
13 48 (38.10%) CSS
14 44 (34.92%) ASP.NET MVC
15 43 (34.13%) Entity Framework
16 42 (33.33%) Finance
17 40 (31.75%) Unity DI Container
18 38 (30.16%) Continuous Integration
19 34 (26.98%) SQL Server Reporting Services
19 34 (26.98%) AngularJS
20 33 (26.19%) WCF
21 32 (25.40%) BDD
21 32 (25.40%) Scrum
22 31 (24.60%) Twitter Bootstrap
23 30 (23.81%) Web Services
24 29 (23.02%) HTML5
25 27 (21.43%) Razor View Engine
25 27 (21.43%) Git (software)
25 27 (21.43%) XML

Inversion of Control
Top Related IT Skills 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 20 (15.87%) IIS
2 6 (4.76%) CMS
2 6 (4.76%) NServiceBus
3 5 (3.97%) ArcGIS
3 5 (3.97%) Drupal
3 5 (3.97%) GeoServer
4 2 (1.59%) Confluence
4 2 (1.59%) Umbraco
5 1 (0.79%) BizTalk Server
5 1 (0.79%) Elasticsearch
5 1 (0.79%) SharePoint
5 1 (0.79%) Sitecore CMS
5 1 (0.79%) Tomcat
Applications
1 17 (13.49%) MS Excel
2 2 (1.59%) MS Office
2 2 (1.59%) MS PowerPoint
Business Applications
1 6 (4.76%) Beauchamp
1 6 (4.76%) Dynamics CRM
2 1 (0.79%) nopCommerce
2 1 (0.79%) RMDS
Cloud Services
1 11 (8.73%) Microsoft Azure
2 10 (7.94%) Amazon AWS
3 2 (1.59%) Amazon EC2
3 2 (1.59%) Virtual Private Cloud
Communications & Networking
1 8 (6.35%) HTTP
2 4 (3.17%) Internet
Database & Business Intelligence
1 70 (55.56%) SQL Server
2 34 (26.98%) SQL Server Reporting Services
3 26 (20.63%) SQL Server Integration Services
4 25 (19.84%) SQL Server Analysis Services
5 13 (10.32%) NoSQL
6 12 (9.52%) Relational Database
7 8 (6.35%) MongoDB
8 7 (5.56%) Amazon DynamoDB
9 5 (3.97%) GIS
9 5 (3.97%) SQL Server 2008
9 5 (3.97%) SQL Server 2012
10 4 (3.17%) Big Data
10 4 (3.17%) Data Warehouse
10 4 (3.17%) SQL Server 2014
11 3 (2.38%) Datazen
11 3 (2.38%) Hadoop
11 3 (2.38%) MOLAP
11 3 (2.38%) RavenDB
12 2 (1.59%) DB2
12 2 (1.59%) PostgreSQL
Development Applications
1 27 (21.43%) Git (software)
2 21 (16.67%) Team Foundation Server
3 18 (14.29%) Subversion
3 18 (14.29%) Visual Studio
4 17 (13.49%) Jenkins
5 16 (12.70%) NUnit
6 12 (9.52%) Moq
6 12 (9.52%) TeamCity
7 10 (7.94%) Maven
7 10 (7.94%) SpecFlow
8 9 (7.14%) JIRA
9 8 (6.35%) Rhino Mocks
10 6 (4.76%) Jasmine
10 6 (4.76%) Mockito
10 6 (4.76%) MSTest
11 5 (3.97%) Cucumber
11 5 (3.97%) MSBuild
11 5 (3.97%) NuGet
11 5 (3.97%) Sonatype Nexus
12 4 (3.17%) JBehave
General
1 42 (33.33%) Finance
2 14 (11.11%) Back Office
3 13 (10.32%) Banking
4 7 (5.56%) Investment Banking
5 3 (2.38%) Front Office
6 2 (1.59%) Marketing
6 2 (1.59%) Retail
7 1 (0.79%) Electronics
7 1 (0.79%) Manufacturing
7 1 (0.79%) Retail Banking
Job Titles
1 109 (86.51%) Developer
2 57 (45.24%) .NET Developer
3 49 (38.89%) C# Developer
4 34 (26.98%) SQL Developer
5 28 (22.22%) C# .NET Developer
6 19 (15.08%) ASP.NET Developer
6 19 (15.08%) ASP.NET MVC Developer
6 19 (15.08%) C# ASP.NET Developer
7 13 (10.32%) Agile Developer
8 11 (8.73%) Agile C# Developer
9 9 (7.14%) Agile .NET Developer
9 9 (7.14%) Architect
9 9 (7.14%) C# WCF Developer
9 9 (7.14%) Java Developer
9 9 (7.14%) WCF Developer
10 7 (5.56%) Web Developer
11 6 (4.76%) Angular Developer
11 6 (4.76%) Consultant
11 6 (4.76%) Full Stack Developer
11 6 (4.76%) Lead Developer
Libraries, Frameworks & Software Standards
1 94 (74.60%) .NET
2 66 (52.38%) jQuery
3 56 (44.44%) ASP.NET
4 52 (41.27%) HTML
5 51 (40.48%) .NET Framework
6 48 (38.10%) CSS
7 44 (34.92%) ASP.NET MVC
8 43 (34.13%) Entity Framework
9 40 (31.75%) Unity DI Container
10 34 (26.98%) AngularJS
11 33 (26.19%) WCF
12 31 (24.60%) Twitter Bootstrap
13 30 (23.81%) Web Services
14 29 (23.02%) HTML5
15 27 (21.43%) Razor View Engine
15 27 (21.43%) XML
16 24 (19.05%) ASP.NET MVC 5
17 23 (18.25%) Ajax
17 23 (18.25%) JSON
17 23 (18.25%) KnockoutJS
Miscellaneous
1 17 (13.49%) Visualisation
2 12 (9.52%) User Experience
3 9 (7.14%) N-Tier
4 8 (6.35%) Analytical Skills
5 6 (4.76%) Foreign Exchange (FX)
6 5 (3.97%) Hedge funds
7 3 (2.38%) Computer Science
8 2 (1.59%) Equities
8 2 (1.59%) Wiki
9 1 (0.79%) Blackberry
9 1 (0.79%) iPhone
9 1 (0.79%) Life Science
9 1 (0.79%) Mobile App
Operating Systems
1 9 (7.14%) Windows Server
2 8 (6.35%) Windows
3 6 (4.76%) Linux
3 6 (4.76%) Unix
4 1 (0.79%) Android
4 1 (0.79%) Windows Phone
Processes & Methodologies
1 85 (67.46%) MVC
2 73 (57.94%) Agile Software Development
3 62 (49.21%) TDD
4 38 (30.16%) Continuous Integration
5 32 (25.40%) BDD
5 32 (25.40%) Scrum
6 27 (21.43%) OO
7 25 (19.84%) Mentoring
8 24 (19.05%) Dependency Injection
9 23 (18.25%) Unit Testing
10 21 (16.67%) Web Development
11 19 (15.08%) SOLID
12 15 (11.90%) Data Validation
12 15 (11.90%) Data Visualisation
12 15 (11.90%) Validation
13 14 (11.11%) E-Commerce
14 13 (10.32%) SDLC
15 12 (9.52%) Automated Testing
15 12 (9.52%) Front End Development
16 11 (8.73%) Software Engineering
Programming Languages
1 95 (75.40%) C#
2 85 (67.46%) SQL
3 64 (50.79%) JavaScript
4 61 (48.41%) T-SQL
5 21 (16.67%) VBA
6 11 (8.73%) Java
7 6 (4.76%) PL/SQL
8 5 (3.97%) PHP
9 4 (3.17%) VB.NET
10 3 (2.38%) PowerShell
10 3 (2.38%) TypeScript
11 2 (1.59%) C++
11 2 (1.59%) ES6
11 2 (1.59%) Python
11 2 (1.59%) Scala
12 1 (0.79%) C
12 1 (0.79%) R
12 1 (0.79%) XAML
12 1 (0.79%) XPath
Qualifications
1 11 (8.73%) Degree
2 6 (4.76%) MCPD
2 6 (4.76%) MCSD
2 6 (4.76%) Microsoft Certification
3 4 (3.17%) BPSS Clearance
3 4 (3.17%) Security Cleared
Quality Assurance & Compliance
1 10 (7.94%) QA
2 5 (3.97%) Disclosure Scotland
Systems Management
1 5 (3.97%) yum
2 3 (2.38%) Opscode Chef
3 1 (0.79%) Systems Management Server (SMS)
Vendors
1 26 (20.63%) Microsoft
2 18 (14.29%) Oracle
3 7 (5.56%) TIBCO
4 5 (3.97%) ESRI
5 4 (3.17%) Caplin
5 4 (3.17%) IBM
6 2 (1.59%) Currenex
6 2 (1.59%) FXall
6 2 (1.59%) Infragistics
6 2 (1.59%) Remedy
6 2 (1.59%) Sitecore
6 2 (1.59%) Syncfusion
6 2 (1.59%) Twitter
7 1 (0.79%) DevExpress
7 1 (0.79%) Facebook
7 1 (0.79%) Xamarin
London
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