Charterhouse Group International
- Offers a limited company structure for contractors, and invoicing service. Payments in any major international currency.
- http://www.charterhouseint.com/

MaximFinance
- Offering IT contracting and operating payroll services.
- http://www.maximfinance.co.uk/

DJColom accountancy
- A management and payroll service designed for contractors.
- http://www.djcolom.co.uk/

IFL Management Limited
- Umbrella company for IT, accountancy or engineering contractors. Includes program information and referral service.
- http://www.iflmanagement.co.uk/

CLW Management
- An umbrella company offering services for contractors by issuing invoices and distribution of funds.
- http://www.clwmanagement.com

Parasol IT
- Services for consultants working in IT, engineering, pharmaceutical and other industry sectors.
- http://www.parasolit.co.uk

Orange & Gold
- Offers umbrella services for contractors. Includes information on expenses and benefits.
- http://www.orangeandgold.co.uk

Trafalgar Accounting Solutions
- Accountant firm specialising in umbrella solutions for IT Contractors, insurance, banking and IR35 advice.
- http://www.trafalgaraccounting.co.uk/

Freelance Solutions Limited
- Provider of contractual employment structures and their administration for individuals working on temporary assignments.
- http://www.freelancesolutions.net

Exchequer Solutions
- Umbrella company, includes insurance and pension options.
- http://www.exchequersolutions.com

Contractor Financials Ltd
- Offers contractor mortgages, insurance, pension and life insurance.
- http://www.contractormoney.com/

Orange Genie
- Includes calculation of tax, free references and advice on all aspects of umbrella payroll services.
- http://www.orangegenie.com/

Green Lantern 35
- Management service company for engineering, financial, and medical industry sectors.
- http://www.greenlantern35.co.uk

PayPrompt Limited
- Offers several programs that offer an online satisfaction survey as well as payment reminders.
- http://www.payprompt.co.uk

Prosperity4.com
- Offering an Inland Revenue approved IR35 solution for computer contractors. Includes a net monthly salary calculator.
- http://www.prosperity4.com/

CPM Group
- Specialising in services designed for contractors for operation of their contract assignments. Includes administrative tasks.
- http://www.cpmgroup.co.uk

Contractor Umbrella
- Provides an administrative and payroll solution to IT contractor clients who do not wish to set up their own limited company.
- http://www.contractorumbrella.com