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 29 January 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
29 Jan 2015
Same period 2014 Same period 2013
Inversion of Control (IoC)
Rank 508 496 491
Rank change year-on-year
-12 -5
Contract jobs citing Inversion of Control 63 63 40
As % of all contract IT jobs located in the UK 0.13% 0.13% 0.088%
As % of the Miscellaneous category 0.42% 0.42% 0.29%
Number of daily rates quoted 43 40 32
Average daily rate
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of your Daily Rate
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£425 £400 £400
Average daily rate % change year-on-year
+6.25% -
90% offered a daily rate of more than £290 £275 £300
10% offered a daily rate of more than £500 £450 £573
UK excluding London average daily rate £363 £325 £300
% change year-on-year
+11.53% +8.33%
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
14973 14974 13655
As % of all contract IT jobs located in the UK 29.89% 30.66% 30.06%
Number of daily rates quoted 9455 9221 8169
Average daily rate £422 £405 £400
Average daily rate % change year-on-year
+4.19% +1.25%
90% offered a daily rate of more than £248 £230 £238
10% offered a daily rate of more than £600 £600 £600
UK excluding London average daily rate £370 £350 £338
% change year-on-year
+5.57% +3.70%
Number of hourly rates quoted 597 599 825
Average hourly rate £18.50 £20.00 £20.00
Average hourly rate % change year-on-year
-7.50% -
90% offered a hourly rate of more than £11.19 £11.51 £11.50
10% offered a hourly rate of more than £42.50 £42.50 £40.00
UK excluding London average hourly rate £18.00 £17.50 £20.00
% change year-on-year
+2.85% -12.50%

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 29 January 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 29 January 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 -17 63 £425 +6.25% 55
London +17 41 £425 +3.65% 12
City of London +12 8 £425 - 1
East of England - 8 £331 - 3
South East -14 7 £350 -9.67% 18
East Sussex - 5 £300 - 2
Brighton - 5 £300 - 2
North West +2 4 £285 +26.66% 9
Hertfordshire - 3 £288 - 1
Cheshire +3 2 £408 +81.11% 3
West Yorkshire -3 2 £475 - 2
Yorkshire -9 2 £475 +63.79% 3
Leeds -10 2 £475 - 2
Manchester - 2 £280 - 4
Warrington -7 1 - - 3
Hampshire -23 1 £350 -6.66% 2
Surrey - 1 £401 - 2
Warwickshire - - - - 1
West Sussex - - - - 3
Worcestershire - - - -
Docklands, London - - - -
East Midlands - - - - 2
Merseyside - - - -
Scotland - - - - 1
South Wales - - - - 1
South West - - - - 3
Wales - - - - 1
West Midlands - - - - 3
Welwyn Garden City - - - -
Worcester - - - -

Inversion of Control
Top 30 Related IT Skills

For the 6 months to 29 January 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.

1 120 (72.29%) .NET
2 109 (65.66%) C#
3 105 (63.25%) TDD
4 98 (59.04%) MVC
5 84 (50.60%) Agile Software Development
6 75 (45.18%) Microsoft
6 75 (45.18%) SQL Server
7 74 (44.58%) .NET Framework
8 67 (40.36%) JavaScript
9 62 (37.35%) HTML
9 62 (37.35%) CSS
9 62 (37.35%) WCF
10 58 (34.94%) SQL
10 58 (34.94%) ADO.NET Entity Framework
11 56 (33.73%) Web Services
12 54 (32.53%) ASP.NET
13 50 (30.12%) ASP.NET MVC
14 47 (28.31%) jQuery
15 46 (27.71%) OO
15 46 (27.71%) BDD
16 42 (25.30%) HTML5
17 36 (21.69%) ASP.NET Web API
18 35 (21.08%) XML
18 35 (21.08%) KnockoutJS
19 34 (20.48%) Dependency Injection
20 32 (19.28%) MS Excel
20 32 (19.28%) NUnit
21 31 (18.67%) SOA
22 30 (18.07%) Java
23 29 (17.47%) T-SQL

Inversion of Control
Top Related IT Skills by Category

For the 6 months to 29 January 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 15 (9.04%) IIS
2 11 (6.63%) CMS
3 10 (6.02%) Node.js
4 7 (4.22%) Sitecore CMS
4 7 (4.22%) Apache
4 7 (4.22%) SharePoint
4 7 (4.22%) BizTalk Server
5 6 (3.61%) Tomcat
5 6 (3.61%) EPiServer CMS
6 5 (3.01%) Apache Solr
7 3 (1.81%) Jetty
8 2 (1.20%) WebLogic Portal
8 2 (1.20%) WebLogic Integration
8 2 (1.20%) JBoss
8 2 (1.20%) WebSphere Application Server
8 2 (1.20%) WebLogic
8 2 (1.20%) Umbraco
8 2 (1.20%) GlassFish
8 2 (1.20%) WebSphere Process Server
8 2 (1.20%) WebSphere
Applications
1 32 (19.28%) MS Excel
Business Applications
1 12 (7.23%) Dynamics CRM
2 2 (1.20%) Oracle BPM
3 1 (0.60%) Summit
Cloud Services
1 21 (12.65%) Microsoft Azure
2 12 (7.23%) Amazon EC2
3 9 (5.42%) PaaS
4 6 (3.61%) Amazon SQS
4 6 (3.61%) Amazon AWS
5 5 (3.01%) Amazon S3
5 5 (3.01%) Amazon ElastiCache
5 5 (3.01%) ElastiCache
6 2 (1.20%) GitHub
7 1 (0.60%) SaaS
Communications & Networking
1 5 (3.01%) HTTP
2 2 (1.20%) Internet
3 1 (0.60%) TCP/IP
Database & Business Intelligence
1 75 (45.18%) SQL Server
2 28 (16.87%) SQL Server 2008
3 13 (7.83%) SQL Server 2012
4 9 (5.42%) Oracle Database
5 7 (4.22%) Relational Database
6 4 (2.41%) PostgreSQL
6 4 (2.41%) MySQL
7 3 (1.81%) Oracle9i Database
7 3 (1.81%) Oracle Database 10g
7 3 (1.81%) RDBMS
8 2 (1.20%) SQL Server Analysis Services
8 2 (1.20%) SQL Server Reporting Services
8 2 (1.20%) SQL Server Integration Services
9 1 (0.60%) SimpleDB
9 1 (0.60%) Big Data
Development Applications
1 32 (19.28%) NUnit
2 27 (16.27%) Team Foundation Server
3 26 (15.66%) MSTest
4 20 (12.05%) SpecFlow
5 16 (9.64%) MSBuild
6 15 (9.04%) Git (software)
7 14 (8.43%) Moq
8 13 (7.83%) StyleCop
8 13 (7.83%) ReSharper
9 12 (7.23%) NDepend
9 12 (7.23%) NCover
10 11 (6.63%) Visual Studio
11 9 (5.42%) Rhino Mocks
11 9 (5.42%) Subversion
11 9 (5.42%) ProC
12 8 (4.82%) Maven
13 7 (4.22%) NuGet
13 7 (4.22%) Ant
14 6 (3.61%) TeamCity
14 6 (3.61%) Bower
General
1 21 (12.65%) Finance
2 15 (9.04%) Banking
3 11 (6.63%) Investment Banking
4 4 (2.41%) Financial Institution
5 3 (1.81%) Publishing
6 2 (1.20%) Back Office
6 2 (1.20%) Marketing
7 1 (0.60%) Front Office
7 1 (0.60%) Telecoms
7 1 (0.60%) Manufacturing
7 1 (0.60%) Games
Job Titles
1 136 (81.93%) Developer
2 52 (31.33%) .NET Developer
3 36 (21.69%) C# Developer
4 31 (18.67%) Senior Developer
5 22 (13.25%) C# .NET Developer
6 20 (12.05%) Senior .NET Developer
7 18 (10.84%) Agile .NET Developer
8 15 (9.04%) Architect
9 10 (6.02%) Java Developer
10 9 (5.42%) Web Developer
11 8 (4.82%) Agile C# Developer
12 6 (3.61%) Lead Developer
12 6 (3.61%) C++ Developer
12 6 (3.61%) JavaScript Developer
12 6 (3.61%) Technical Leader
12 6 (3.61%) Android Developer
13 5 (3.01%) CRM Architect
13 5 (3.01%) Microsoft Developer
13 5 (3.01%) Development Manager
13 5 (3.01%) Software Engineer
Libraries, Frameworks & Software Standards
1 120 (72.29%) .NET
2 74 (44.58%) .NET Framework
3 62 (37.35%) HTML
3 62 (37.35%) CSS
3 62 (37.35%) WCF
4 58 (34.94%) ADO.NET Entity Framework
5 56 (33.73%) Web Services
6 54 (32.53%) ASP.NET
7 50 (30.12%) ASP.NET MVC
8 47 (28.31%) jQuery
9 42 (25.30%) HTML5
10 36 (21.69%) ASP.NET Web API
11 35 (21.08%) XML
11 35 (21.08%) KnockoutJS
12 29 (17.47%) Ajax
13 26 (15.66%) Unity DI Container
14 23 (13.86%) LINQ
15 21 (12.65%) CSS3
15 21 (12.65%) NHibernate
16 19 (11.45%) WPF
Miscellaneous
1 17 (10.24%) Derivative
2 15 (9.04%) Mobile App
3 10 (6.02%) N-Tier
3 10 (6.02%) Equity Derivative
3 10 (6.02%) Open Source
4 7 (4.22%) Computer Science
5 6 (3.61%) Enterprise Software
5 6 (3.61%) Visualisation
6 5 (3.01%) Data Integration
7 4 (2.41%) Equities
8 3 (1.81%) Foreign Exchange (FX)
9 2 (1.20%) Fixed Income
9 2 (1.20%) Clustering
9 2 (1.20%) GIS
9 2 (1.20%) Client/Server
9 2 (1.20%) DataPower
9 2 (1.20%) Tandem
9 2 (1.20%) Hedge funds
10 1 (0.60%) Digital Media
10 1 (0.60%) User Experience
Operating Systems
1 16 (9.64%) Windows
2 6 (3.61%) UNIX
2 6 (3.61%) Android
3 3 (1.81%) Apple iOS
3 3 (1.81%) Linux
4 2 (1.20%) Windows Server 2003
4 2 (1.20%) Windows Server 2008
5 1 (0.60%) Windows 7
5 1 (0.60%) Windows XP
Processes & Methodologies
1 105 (63.25%) TDD
2 98 (59.04%) MVC
3 84 (50.60%) Agile Software Development
4 46 (27.71%) OO
4 46 (27.71%) BDD
5 34 (20.48%) Dependency Injection
6 31 (18.67%) SOA
7 28 (16.87%) Scrum
8 26 (15.66%) Domain-Driven Design
9 21 (12.65%) Software Engineering
10 18 (10.84%) OOP
11 16 (9.64%) CRM
12 15 (9.04%) Unit Testing
13 13 (7.83%) ATDD
13 13 (7.83%) MVVM
14 12 (7.23%) E-Commerce
14 12 (7.23%) Don't repeat yourself (DRY)
15 11 (6.63%) Continuous Integration
16 10 (6.02%) Workflow
16 10 (6.02%) Project Management
Programming Languages
1 109 (65.66%) C#
2 67 (40.36%) JavaScript
3 58 (34.94%) SQL
4 30 (18.07%) Java
5 29 (17.47%) T-SQL
6 13 (7.83%) PowerShell
7 10 (6.02%) PL/SQL
7 10 (6.02%) Groovy
8 8 (4.82%) C++
9 7 (4.22%) Scala
10 6 (3.61%) VC++
10 6 (3.61%) C
11 5 (3.01%) PHP
12 4 (2.41%) Shell Script
12 4 (2.41%) XQuery
12 4 (2.41%) XAML
12 4 (2.41%) XPath
13 3 (1.81%) Ruby
13 3 (1.81%) PHP5
14 2 (1.20%) Python
Qualifications
1 13 (7.83%) Degree
2 4 (2.41%) Microsoft Certification
3 3 (1.81%) SC Cleared
3 3 (1.81%) Security Cleared
4 1 (0.60%) CTC Cleared
Quality Assurance & Compliance
1 7 (4.22%) QA
2 1 (0.60%) EMIR
2 1 (0.60%) Dodd-Frank
Vendors
1 75 (45.18%) Microsoft
2 22 (13.25%) Oracle
3 9 (5.42%) Infragistics
4 8 (4.82%) EPiServer
4 8 (4.82%) Sitecore
5 5 (3.01%) Telerik
6 4 (2.41%) Google
6 4 (2.41%) Twitter
7 3 (1.81%) Red Gate
7 3 (1.81%) Siebel
8 2 (1.20%) IBM
8 2 (1.20%) Reuters
8 2 (1.20%) Zend
8 2 (1.20%) Yahoo!
8 2 (1.20%) Kony
9 1 (0.60%) Syncfusion
9 1 (0.60%) DevExpress
9 1 (0.60%) Sybase
9 1 (0.60%) Bloomberg
9 1 (0.60%) CODA
City, London
Opus Recruitment Solutions Ltd
Rate: £400 - £500 per day
Posted: 3 days ago
Stevenage, Hertfordshire
Opus Recruitment Solutions Ltd
Rate: £250 - £300 per day
Posted: 3 days ago
Leeds, West Yorkshire
Parallel Consulting
Rate: £450 - £500 per day
Posted: 3 days ago
Cardiff, South Glamorgan
Tank Recruitment
Posted: 3 days ago
Warrington, Cheshire
Advanced Resource Managers
Rate: Negotiable
Posted: 6 days ago