Some related links you might find useful:

Budget 2013
HM Treasury Budget site

www.hm-treasury.gov.uk
HM Treasury

www.hmrc.gov.uk
HM Revenue & Customs

Research and insight

Major changes in UK tax Major changes in tax
The latest briefing paper on two major tax issues: international tax reform in the shape of BEPS, and transparency
European Tax Survey European Tax Survey
The findings of Deloitte's survey of tax professionals from almost 1,000 companies across Europe
Patent Box Patent Box
Think inside the box
UK GAAP The future of UK GAAP
What's changing?
Employment status Employment status
The challenges of engaging freelancers and temporary workers
Environmental Taxes Guide Environmental Taxes Guide
A starting point to map a business' environmental tax footprint
Sustainable tax strategy Sustainable tax strategy
Practical guide to help companies