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 average contractor rates offered in IT contracts that have cited Inversion of Control over the 3 months to 30 July 2015 with a comparison to the same period in 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.

Location
3 months to
30 Jul 2015
Same period 2014 Same period 2013
Inversion of Control (IoC)
Rank 558 573 518
Rank change year-on-year
+15 -55
Contract jobs citing Inversion of Control 70 42 58
As % of all contract IT jobs located in the UK 0.12% 0.077% 0.11%
As % of the Miscellaneous category 0.39% 0.24% 0.34%
Number of daily rates quoted 63 33 44
Average daily rate
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of your Daily Rate
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£388 £425 £425
Average daily rate % change year-on-year
-8.82% -
90% offered a daily rate of more than £290 £325 £325
10% offered a daily rate of more than £566 £510 £590
UK excluding London average daily rate £315 £321 £388
% change year-on-year
-1.94% -17.09%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average 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
18056 17465 16882
As % of all contract IT jobs located in the UK 31.65% 31.94% 33.03%
Number of daily rates quoted 11374 10594 10000
Average daily rate £418 £400 £425
Average daily rate % change year-on-year
+4.37% -5.88%
90% offered a daily rate of more than £250 £238 £240
10% offered a daily rate of more than £608 £600 £600
UK excluding London average daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 676 671 742
Average hourly rate £20.00 £20.50 £22.00
Average hourly rate % change year-on-year
-2.43% -6.81%
90% offered a hourly rate of more than £12.25 £12.50 £12.50
10% offered a hourly rate of more than £47.83 £45.00 £42.50
UK excluding London average hourly rate £19.08 £21.12 £20.00
% change year-on-year
-9.63% +5.57%

Inversion of Control
Jobs Demand Trend

This chart provides the 3-month moving total of IT contractor jobs citing Inversion of Control within the UK as a proportion of the total demand within 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 30 July 2015.

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 30 Contract Locations

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing Inversion of Control within the UK over the 3 months to 30 July 2015. 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +2 70 £388 -8.82% 42
London +10 42 £490 +15.29% 16
North East - 10 £319 - 2
South East -8 8 £315 -3.07% 14
City of London -8 7 £375 -16.66% 2
Durham - 7 £325 -
West Midlands +4 4 £263 -17.32% 4
Oxfordshire -21 3 £300 -14.28%
North West - 3 £325 - 2
Tyne and Wear - 3 £300 - 2
Wolverhampton - 3 £263 -
East Midlands -8 2 £338 - 1
East Sussex - 2 £315 - 2
Manchester - 2 £325 -
Brighton - 2 £315 - 1
Leicester +12 1 £375 -
Berkshire +5 1 £375 +15.38% 1
Leicestershire 0 1 £375 -
Reading -3 1 £375 +15.38% 1
Southport - 1 - -
Sunbury-on-Thames - 1 £418 -
Sunderland - 1 £275 -
Warwick - 1 - -
Hampshire - 1 £388 - 1
Basingstoke - 1 £388 -
Grantham - 1 £300 -
Newcastle upon Tyne - 1 £300 - 2
Oxford - 1 £275 -
Lincolnshire - 1 £300 -
Surrey - 1 £418 - 1

Inversion of Control
Top 30 Related IT Skills

For the 6 months to 30 July 2015, IT contractor jobs within the UK citing Inversion of Control also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Inversion of Control.

1 83 (67.48%) .NET
2 78 (63.41%) MVC
3 77 (62.60%) C#
4 66 (53.66%) TDD
5 63 (51.22%) SQL Server
6 61 (49.59%) CSS
7 60 (48.78%) HTML
8 55 (44.72%) Agile Software Development
9 49 (39.84%) ASP.NET
10 48 (39.02%) Microsoft
11 47 (38.21%) .NET Framework
12 46 (37.40%) Web Services
12 46 (37.40%) JavaScript
13 45 (36.59%) SQL
14 37 (30.08%) NUnit
15 36 (29.27%) Scrum
16 35 (28.46%) OO
17 34 (27.64%) WCF
17 34 (27.64%) Dependency Injection
18 33 (26.83%) Continuous Integration
19 32 (26.02%) Entity Framework
20 31 (25.20%) jQuery
20 31 (25.20%) ASP.NET MVC
21 30 (24.39%) AngularJS
22 25 (20.33%) Ajax
23 24 (19.51%) OOP
24 23 (18.70%) WPF
25 22 (17.89%) MVVM
26 21 (17.07%) Finance
26 21 (17.07%) Visual Studio

Inversion of Control
Top Related IT Skills by Category

For the 6 months to 30 July 2015, IT contractor jobs within the UK citing Inversion of Control also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Inversion of Control. Up to 20 skills are shown per category.

Application Platforms
1 6 (4.88%) CMS
2 5 (4.07%) Apache
2 5 (4.07%) IIS
2 5 (4.07%) Apache Solr
3 4 (3.25%) Node.js
3 4 (3.25%) Tomcat
3 4 (3.25%) Elasticsearch
4 3 (2.44%) NServiceBus
4 3 (2.44%) BizTalk Server
4 3 (2.44%) Sitecore CMS
5 2 (1.63%) Oracle Coherence
5 2 (1.63%) SharePoint
5 2 (1.63%) Apache Spark
6 1 (0.81%) WebSphere
6 1 (0.81%) JBoss
6 1 (0.81%) WebSphere Application Server
6 1 (0.81%) WebLogic
6 1 (0.81%) GlassFish
6 1 (0.81%) Umbraco
6 1 (0.81%) EPiServer CMS
Applications
1 9 (7.32%) MS Excel
2 5 (4.07%) MS Visio
2 5 (4.07%) MS Office
Business Applications
1 1 (0.81%) SAP Oil and Gas
1 1 (0.81%) Dynamics CRM
Cloud Services
1 3 (2.44%) Microsoft Azure
1 3 (2.44%) SaaS
2 1 (0.81%) Amazon EC2
2 1 (0.81%) Amazon AWS
Communications & Networking
1 1 (0.81%) SMTP
1 1 (0.81%) Firewall
Database & Business Intelligence
1 63 (51.22%) SQL Server
2 16 (13.01%) SQL Server 2012
3 11 (8.94%) SQL Server 2008
4 6 (4.88%) MongoDB
4 6 (4.88%) NoSQL
5 5 (4.07%) MySQL
6 4 (3.25%) MarkLogic
6 4 (3.25%) Triplestore
6 4 (3.25%) SQL Server Integration Services
6 4 (3.25%) SQL Server Reporting Services
7 3 (2.44%) Hadoop
8 2 (1.63%) Oracle Database
8 2 (1.63%) Mahout
9 1 (0.81%) SQLite
9 1 (0.81%) SQL Server 2005
9 1 (0.81%) SQL Server 2000
Development Applications
1 37 (30.08%) NUnit
2 21 (17.07%) Visual Studio
3 17 (13.82%) Git (software)
3 17 (13.82%) Team Foundation Server
4 12 (9.76%) Moq
5 11 (8.94%) TeamCity
6 8 (6.50%) MSTest
6 8 (6.50%) SpecFlow
7 7 (5.69%) CruiseControl
8 6 (4.88%) ProC
8 6 (4.88%) Build Forge
8 6 (4.88%) Jenkins
8 6 (4.88%) Hudson
8 6 (4.88%) Rhino Mocks
8 6 (4.88%) MSBuild
9 5 (4.07%) Octopus Deploy
10 4 (3.25%) Mockito
10 4 (3.25%) JUnit
10 4 (3.25%) Maven
10 4 (3.25%) ReSharper
General
1 21 (17.07%) Finance
2 20 (16.26%) Retail
3 7 (5.69%) Banking
4 4 (3.25%) Telecoms
4 4 (3.25%) Investment Banking
4 4 (3.25%) Manufacturing
4 4 (3.25%) Front Office
5 3 (2.44%) Back Office
6 2 (1.63%) Marketing
6 2 (1.63%) Publishing
7 1 (0.81%) Dutch Language
7 1 (0.81%) French Language
7 1 (0.81%) Electronics
7 1 (0.81%) Advertising
Job Titles
1 109 (88.62%) Developer
2 55 (44.72%) .NET Developer
3 23 (18.70%) C# Developer
4 20 (16.26%) Senior Developer
5 17 (13.82%) C# .NET Developer
6 15 (12.20%) Android Developer
7 8 (6.50%) Lead Developer
7 8 (6.50%) Java Developer
7 8 (6.50%) ASP.NET Developer
8 7 (5.69%) Senior Android Developer
9 5 (4.07%) Agile .NET Developer
9 5 (4.07%) Hybris Developer
9 5 (4.07%) Lead Android Developer
9 5 (4.07%) Web Developer
10 4 (3.25%) Architect
10 4 (3.25%) Senior Java Developer
10 4 (3.25%) C# ASP.NET Developer
11 3 (2.44%) .NET Web Developer
11 3 (2.44%) Technical Leader
11 3 (2.44%) Senior .NET Developer
Libraries, Frameworks & Software Standards
1 83 (67.48%) .NET
2 61 (49.59%) CSS
3 60 (48.78%) HTML
4 49 (39.84%) ASP.NET
5 47 (38.21%) .NET Framework
6 46 (37.40%) Web Services
7 34 (27.64%) WCF
8 32 (26.02%) Entity Framework
9 31 (25.20%) ASP.NET MVC
9 31 (25.20%) jQuery
10 30 (24.39%) AngularJS
11 25 (20.33%) Ajax
12 23 (18.70%) WPF
13 20 (16.26%) XML
13 20 (16.26%) KnockoutJS
13 20 (16.26%) Unity DI Container
14 19 (15.45%) Spring
15 15 (12.20%) Android SDK
15 15 (12.20%) ASP.NET Web API
16 13 (10.57%) JSON
Miscellaneous
1 17 (13.82%) Mobile App
2 5 (4.07%) Derivative
2 5 (4.07%) Equity Derivative
2 5 (4.07%) Analytical Skills
3 4 (3.25%) Semantic Web
4 3 (2.44%) Hedge funds
5 2 (1.63%) Computer Science
5 2 (1.63%) N-Tier
5 2 (1.63%) Management Information System
5 2 (1.63%) PKI
5 2 (1.63%) Social Network
5 2 (1.63%) User Experience
6 1 (0.81%) PlayStation
6 1 (0.81%) Distributed Denial-of-Service
6 1 (0.81%) DTV
6 1 (0.81%) Mathematics
6 1 (0.81%) Physics
6 1 (0.81%) Blog
6 1 (0.81%) Video on Demand
6 1 (0.81%) Embedded Systems
Operating Systems
1 15 (12.20%) Android
2 10 (8.13%) Windows
3 8 (6.50%) Linux
4 7 (5.69%) UNIX
5 2 (1.63%) Windows 8
5 2 (1.63%) Red Hat Enterprise Linux
6 1 (0.81%) Mac OS
6 1 (0.81%) Windows XP
6 1 (0.81%) Windows Phone 8
6 1 (0.81%) Windows Phone
Processes & Methodologies
1 78 (63.41%) MVC
2 66 (53.66%) TDD
3 55 (44.72%) Agile Software Development
4 36 (29.27%) Scrum
5 35 (28.46%) OO
6 34 (27.64%) Dependency Injection
7 33 (26.83%) Continuous Integration
8 24 (19.51%) OOP
9 22 (17.89%) MVVM
10 18 (14.63%) SOA
11 16 (13.01%) BDD
11 16 (13.01%) Unit Testing
12 15 (12.20%) E-Commerce
12 15 (12.20%) Android Development
13 12 (9.76%) AOP
14 10 (8.13%) SDLC
15 9 (7.32%) Mentoring
15 9 (7.32%) Pair Programming
15 9 (7.32%) Kanban
16 8 (6.50%) Software Engineering
Programming Languages
1 77 (62.60%) C#
2 46 (37.40%) JavaScript
3 45 (36.59%) SQL
4 20 (16.26%) Java
5 12 (9.76%) T-SQL
6 7 (5.69%) Python
7 5 (4.07%) XAML
7 5 (4.07%) VB6
7 5 (4.07%) VB
7 5 (4.07%) C++
8 4 (3.25%) C
8 4 (3.25%) Ruby
8 4 (3.25%) PHP
8 4 (3.25%) PL/SQL
8 4 (3.25%) VBA
9 3 (2.44%) PowerShell
9 3 (2.44%) SPARQL
10 2 (1.63%) XQuery
10 2 (1.63%) XPath
11 1 (0.81%) VB.NET
Qualifications
1 4 (3.25%) Degree
2 3 (2.44%) SC Cleared
2 3 (2.44%) Security Cleared
2 3 (2.44%) Microsoft Certification
3 2 (1.63%) MCP
Quality Assurance & Compliance
1 1 (0.81%) QA
1 1 (0.81%) EMIR
1 1 (0.81%) Dodd-Frank
Vendors
1 48 (39.02%) Microsoft
2 12 (9.76%) Oracle
3 7 (5.69%) Infragistics
3 7 (5.69%) Twitter
4 6 (4.88%) TIBCO
5 5 (4.07%) hybris
6 4 (3.25%) Salesforce.com
6 4 (3.25%) Endeca
7 3 (2.44%) SAP
7 3 (2.44%) Sitecore
8 2 (1.63%) Zend
8 2 (1.63%) Facebook
8 2 (1.63%) Red Hat
9 1 (0.81%) Google
9 1 (0.81%) Reuters
9 1 (0.81%) Bloomberg
9 1 (0.81%) Atlassian
9 1 (0.81%) EPiServer
City, London
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