Useful links

Doing Business in Brazil Online Guide The Deloitte Doing Business in Brazil online guide is a new website that provides deep insight for businesses seeking market entry in Brazil and those with an existing presence and an ambition to grow in the region.

Brazil Trade and Investment Guide

Brazilian Offical Guide on Investment and Opportunities

Britcham - British Chamber of Commerce and Industry in Brazil

UKTI (Exporting to Brazil)
Apex-Brasil, the Brazilian Trade and Investment Promotion Agency launched the Brasil Trade Guide(external link) , which aims to promote exports of Brazilian products through Trading Companies.
SEBRAE (servico brasileiro de apoio as micro e pequenas empresas)
CNI  (confederacao nacional da industria)
SECEX  (ministerio do desenvolvimento, industria e comercio exterior)
BrazilTradeNet, by the Ministry of External Relations. Specially for foreign companies interested by Brazilian products
Directory of Brazilian Exporters, by the Ministry of Development, Industry and Foreign Trade
Directory of Brazilian Exporters, by the National Confederation of Industries
British Chamber of Commerce in Brazil
Brazilian Consulate in London
The Anglo-Brazilian Sociaty
Embassy of Brazil in London
UK Trade & Investment 
UKTI Doing Business in Brazil Guide
Starting a Business Overseas

Brazil Government

Brazilian Institute of Geography and Statistics (IBGE)

Central Bank

UK Government

HM Revenue & Customs
UK Border Agency
British Foreign & Commonwealth Office
Department for Business Enterprise and Regulatory Reform
UK Department for International Development
Securities and Exchange Commission of Brazil 
UK Trade & Investment
British Chambers of Commerce
Companies House
The European Business Directory
Confederation of British Industry (CBI)
Business Link
National Statistics Online
World Bank
Bank of England
Brazilian Embassy (Embaixada do Brasil)
British Council
The Brazilian Association in UK
Brazilian Community in London
Brazilian Education and Cultural Centre (BrEACC)
Association for Postgraduate Brazilian Students and Researchers in UK
Institute for the Study of the Americas (University of London)
Centre for Brazilian Studies (University of Oxford)
Centre for Brazilian Studies (Middlesex University)

Canning House

King's Brazil Institute