Grant Thornton is one of the world's leading organisations of independently owned accounting and consulting firms providing financial and business advice to entrepreneurial businesses. Founded more than twenty years ago, Grant Thornton has a long track record of helping businesses as they expand and explore business internationally.
http://www.grant-thornton.co.uk

Deloitte is one of the UK’s largest and strongest professional firms, renowned in the marketplace for quality and integrity of service, depth and range of capability, and for the talent and commitment of its people. It is recognised for its quality and efficiency of delivery, integrity, and robust and independent approach.
http://www.deloitte.co.uk

KPMG in the UK is part of a strong global network of member firms with 9,500 partners and staff working in 22 offices across the UK providing audit, tax and advisory services.
http://www.kpmg.co.uk

Ernst & Young is also a global leader in professional services. By connecting our people’s talents, Ernst & Young provides solutions to clients based on financial, transactional, and risk-management knowledge in it’s core services of audit, tax, and corporate finance.
http://www.ey.com/global/content.nsf/UK/Home

Price Waterhouse Coopers provides industry-focused assurance, tax and advisory services for public and private clients primarily in four areas: corporate accountability; risk management; structuring and mergers and acquisitions; and performance and process improvement.
http://www.pwcglobal.com