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 21 April 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
21 Apr 2015
Same period 2014 Same period 2013
Inversion of Control (IoC)
Rank 555 531 494
Rank change year-on-year
-24 -37
Contract jobs citing Inversion of Control 47 73 54
As % of all contract IT jobs located in the UK 0.084% 0.13% 0.11%
As % of the Miscellaneous category 0.28% 0.42% 0.37%
Number of daily rates quoted 38 49 39
Average daily rate
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of your Daily Rate
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£400 £400 £415
Average daily rate % change year-on-year
- -3.61%
90% offered a daily rate of more than £293 £275 £300
10% offered a daily rate of more than £483 £555 £550
UK excluding London average daily rate £375 £388 £300
% change year-on-year
-3.22% +29.16%
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
16920 17439 14673
As % of all contract IT jobs located in the UK 30.23% 31.03% 30.74%
Number of daily rates quoted 10413 10733 8761
Average daily rate £425 £405 £425
Average daily rate % change year-on-year
+4.93% -4.70%
90% offered a daily rate of more than £250 £235 £240
10% offered a daily rate of more than £600 £600 £600
UK excluding London average daily rate £375 £350 £340
% change year-on-year
+7.14% +2.94%
Number of hourly rates quoted 653 668 688
Average hourly rate £19.00 £21.00 £22.50
Average hourly rate % change year-on-year
-9.52% -6.66%
90% offered a hourly rate of more than £11.50 £11.50 £12.00
10% offered a hourly rate of more than £45.00 £42.50 £43.10
UK excluding London average hourly rate £19.00 £20.00 £22.25
% change year-on-year
-5.00% -10.11%

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 21 April 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 21 April 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 -21 47 £400 -1.23% 72
London -8 19 £425 - 24
South East -12 13 £369 -4.83% 22
West Sussex -13 6 £425 +30.76% 1
North West -27 5 £408 +16.42% 6
City of London +15 4 £400 +6.66% 5
Cheshire -4 4 £408 -12.17% 2
South West +7 3 £375 +36.36% 6
Yorkshire -13 3 £475 +63.79% 5
West Yorkshire - 3 £475 - 3
Leeds - 3 £475 - 3
East Midlands -2 2 £375 +108.33% 3
Hampshire -20 2 £369 -4.83% 6
East Sussex - 2 £315 - 1
Brighton - 2 £315 - 1
Bristol - 2 £375 - 4
Crawley - 2 £400 -
Basingstoke -5 1 £400 +3.22% 1
Buckinghamshire -7 1 - -
Manchester -12 1 £350 +27.27% 1
Oxfordshire -21 1 £275 -52.17% 1
North East - 1 £275 - 1
East of England - 1 £275 - 3
Warrington - 1 - - 2
Oxford - 1 £275 - 1
Durham - 1 £275 - 1
Hertfordshire - 1 £275 - 1
Kent - 1 £338 - 7
Lancashire - - - - 2
Monmouthshire - - - -

Inversion of Control
Top 30 Related IT Skills

For the 6 months to 21 April 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 80 (72.73%) .NET
2 74 (67.27%) C#
3 67 (60.91%) SQL Server
4 59 (53.64%) TDD
5 57 (51.82%) MVC
6 53 (48.18%) .NET Framework
7 49 (44.55%) Agile Software Development
7 49 (44.55%) JavaScript
8 44 (40.00%) SQL
9 42 (38.18%) HTML
9 42 (38.18%) ASP.NET
9 42 (38.18%) WCF
10 39 (35.45%) CSS
11 37 (33.64%) XML
12 33 (30.00%) Entity Framework
13 32 (29.09%) Microsoft
14 31 (28.18%) T-SQL
15 29 (26.36%) OO
15 29 (26.36%) ASP.NET MVC
16 26 (23.64%) SOA
17 25 (22.73%) Scrum
18 24 (21.82%) jQuery
18 24 (21.82%) SQL Server 2008
19 23 (20.91%) Java
20 22 (20.00%) Web Services
20 22 (20.00%) Dependency Injection
20 22 (20.00%) Unity DI Container
21 21 (19.09%) LINQ
21 21 (19.09%) WPF
22 19 (17.27%) HTML5

Inversion of Control
Top Related IT Skills by Category

For the 6 months to 21 April 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 13 (11.82%) CMS
2 6 (5.45%) Apache
2 6 (5.45%) Tomcat
2 6 (5.45%) Sitecore CMS
2 6 (5.45%) EPiServer CMS
3 5 (4.55%) Node.js
4 4 (3.64%) Apache Solr
5 3 (2.73%) Oracle Coherence
5 3 (2.73%) Jetty
5 3 (2.73%) BizTalk Server
6 2 (1.82%) Elasticsearch
6 2 (1.82%) SharePoint
7 1 (0.91%) Umbraco
7 1 (0.91%) Apache Spark
Applications
1 9 (8.18%) MS Excel
2 5 (4.55%) MS Office
Business Applications
1 1 (0.91%) Summit
1 1 (0.91%) Dynamics CRM
Cloud Services
1 5 (4.55%) Amazon EC2
1 5 (4.55%) Amazon S3
1 5 (4.55%) Amazon AWS
1 5 (4.55%) Amazon SQS
1 5 (4.55%) Amazon ElastiCache
2 2 (1.82%) SaaS
3 1 (0.91%) Microsoft Azure
Communications & Networking
1 3 (2.73%) HTTP
2 2 (1.82%) Internet
Database & Business Intelligence
1 67 (60.91%) SQL Server
2 24 (21.82%) SQL Server 2008
3 15 (13.64%) SQL Server 2012
4 6 (5.45%) MySQL
5 5 (4.55%) Oracle Database
6 3 (2.73%) Oracle9i Database
6 3 (2.73%) Oracle Database 10g
7 2 (1.82%) PostgreSQL
8 1 (0.91%) SQL Server 2005
8 1 (0.91%) SQLite
8 1 (0.91%) Hadoop
8 1 (0.91%) NoSQL
8 1 (0.91%) Mahout
8 1 (0.91%) RDBMS
8 1 (0.91%) MarkLogic
8 1 (0.91%) Triplestore
8 1 (0.91%) Relational Database
Development Applications
1 18 (16.36%) Git (software)
2 17 (15.45%) NUnit
3 16 (14.55%) Moq
4 12 (10.91%) Visual Studio
5 11 (10.00%) Subversion
6 10 (9.09%) Team Foundation Server
6 10 (9.09%) Rhino Mocks
6 10 (9.09%) ProC
7 8 (7.27%) SpecFlow
8 6 (5.45%) MSTest
8 6 (5.45%) JIRA
9 4 (3.64%) JUnit
9 4 (3.64%) PHPUnit
9 4 (3.64%) TeamCity
9 4 (3.64%) MSBuild
9 4 (3.64%) Jenkins
10 3 (2.73%) SQL Server Management Studio (SSMS)
10 3 (2.73%) Mockito
10 3 (2.73%) Maven
11 2 (1.82%) CruiseControl
General
1 14 (12.73%) Banking
2 11 (10.00%) Finance
3 10 (9.09%) Investment Banking
4 5 (4.55%) Back Office
5 3 (2.73%) Retail
6 2 (1.82%) Telecoms
6 2 (1.82%) Manufacturing
6 2 (1.82%) Publishing
7 1 (0.91%) Front Office
Job Titles
1 95 (86.36%) Developer
2 40 (36.36%) .NET Developer
3 28 (25.45%) C# Developer
4 20 (18.18%) C# .NET Developer
5 11 (10.00%) Senior Developer
6 9 (8.18%) Java Developer
7 8 (7.27%) Lead Developer
8 7 (6.36%) Architect
8 7 (6.36%) Technical Leader
9 6 (5.45%) Agile C# Developer
10 5 (4.55%) Agile .NET Developer
11 4 (3.64%) PHP LAMP Developer
11 4 (3.64%) PHP Zend Developer
11 4 (3.64%) PHP Developer
11 4 (3.64%) Senior C# Developer
11 4 (3.64%) Senior .NET Developer
11 4 (3.64%) Software Developer
12 3 (2.73%) ASP.NET Developer
12 3 (2.73%) Analyst
12 3 (2.73%) Lead Architect
Libraries, Frameworks & Software Standards
1 80 (72.73%) .NET
2 53 (48.18%) .NET Framework
3 42 (38.18%) WCF
3 42 (38.18%) HTML
3 42 (38.18%) ASP.NET
4 39 (35.45%) CSS
5 37 (33.64%) XML
6 33 (30.00%) Entity Framework
7 29 (26.36%) ASP.NET MVC
8 24 (21.82%) jQuery
9 22 (20.00%) Web Services
9 22 (20.00%) Unity DI Container
10 21 (19.09%) WPF
10 21 (19.09%) LINQ
11 19 (17.27%) HTML5
11 19 (17.27%) AngularJS
12 15 (13.64%) KnockoutJS
13 13 (11.82%) Castle Windsor
13 13 (11.82%) Spring
13 13 (11.82%) ASP.NET Web API
Miscellaneous
1 12 (10.91%) Derivative
2 11 (10.00%) Equity Derivative
3 8 (7.27%) N-Tier
3 8 (7.27%) Mobile App
4 7 (6.36%) Open Source
5 5 (4.55%) Data Integration
5 5 (4.55%) Computer Science
5 5 (4.55%) Public Cloud
6 3 (2.73%) Hedge funds
7 2 (1.82%) Client/Server
7 2 (1.82%) PKI
7 2 (1.82%) Management Information System
7 2 (1.82%) Enterprise Software
8 1 (0.91%) Analytical Skills
8 1 (0.91%) Fixed Income
8 1 (0.91%) Tandem
8 1 (0.91%) Credit Derivative
8 1 (0.91%) W3C
8 1 (0.91%) Embedded Systems
8 1 (0.91%) Semantic Web
Operating Systems
1 13 (11.82%) Windows
2 8 (7.27%) Linux
3 7 (6.36%) UNIX
4 2 (1.82%) Red Hat Enterprise Linux
5 1 (0.91%) Windows 8
5 1 (0.91%) Windows Phone 8
5 1 (0.91%) Windows Phone
Processes & Methodologies
1 59 (53.64%) TDD
2 57 (51.82%) MVC
3 49 (44.55%) Agile Software Development
4 29 (26.36%) OO
5 26 (23.64%) SOA
6 25 (22.73%) Scrum
7 22 (20.00%) Dependency Injection
8 16 (14.55%) Software Engineering
8 16 (14.55%) Continuous Integration
9 15 (13.64%) BDD
10 13 (11.82%) MVVM
11 12 (10.91%) Unit Testing
11 12 (10.91%) Project Management
11 12 (10.91%) OOP
12 11 (10.00%) E-Commerce
12 11 (10.00%) Domain-Driven Design
12 11 (10.00%) Memory Management
13 9 (8.18%) AOP
13 9 (8.18%) OOD
14 8 (7.27%) Release Management
Programming Languages
1 74 (67.27%) C#
2 49 (44.55%) JavaScript
3 44 (40.00%) SQL
4 31 (28.18%) T-SQL
5 23 (20.91%) Java
6 6 (5.45%) C++
7 5 (4.55%) C
7 5 (4.55%) PHP
7 5 (4.55%) Python
7 5 (4.55%) XQuery
7 5 (4.55%) Ruby
7 5 (4.55%) XPath
7 5 (4.55%) Groovy
8 4 (3.64%) VB6
8 4 (3.64%) VB
9 3 (2.73%) PL/SQL
10 2 (1.82%) Scala
10 2 (1.82%) Clojure
10 2 (1.82%) VBA
11 1 (0.91%) TypeScript
Qualifications
1 7 (6.36%) Degree
2 4 (3.64%) Microsoft Certification
3 3 (2.73%) SC Cleared
3 3 (2.73%) Security Cleared
Quality Assurance & Compliance
1 5 (4.55%) QA
2 2 (1.82%) EMIR
2 2 (1.82%) Dodd-Frank
Vendors
1 32 (29.09%) Microsoft
2 18 (16.36%) Oracle
3 11 (10.00%) Infragistics
4 7 (6.36%) Sitecore
5 6 (5.45%) EPiServer
6 4 (3.64%) Zend
7 3 (2.73%) Twitter
8 2 (1.82%) hybris
8 2 (1.82%) Endeca
8 2 (1.82%) Google
8 2 (1.82%) Bloomberg
8 2 (1.82%) Red Hat
9 1 (0.91%) Salesforce.com
9 1 (0.91%) Reuters
9 1 (0.91%) Telerik
9 1 (0.91%) Sybase
9 1 (0.91%) Calypso
9 1 (0.91%) DevExpress
9 1 (0.91%) Syncfusion
9 1 (0.91%) Atlassian
London
Venturi
Rate: £300 - £400 per day + D.O.E.
Posted: 2 days ago
City, London
Salt
Rate: £350 - £450 per day
Posted: 4 days ago
City, London
Coal IT Services
Rate: From £500 to £580 per day
Posted: 5 days ago
London
NFP Group Ltd
Rate: £475 - £550 per day
Posted: 5 days ago
London
NFP Group Ltd
Rate: £500 - £550 per day
Posted: 5 days ago
Oxford, Oxfordshire
Senitor Associates
Rate: £200 - £350 per day
Posted: 6 days ago