Provided by Export.gov, the Doing Business in Portugal web page provides a market overview of the current economic status of Portugal, as well as information about the challenges, opportunities, and possible entry strategies for that particular market. 

The Euronext is the official stock exchange for several European countries, including Belgium, France, the Netherlands, Norway, Portugal, and the UK. Its official website provides several stock services including equities, listings, bonds, exchange-traded products (ETPs), derivatives, indices, and market data. The site also includes news releases and statistics.

This document describes how Portuguese law governs the contracting of agencies and distribution agreements. It specifically outlines the contractual freedom each party has and details competition laws and tax regulations. Prepared by: Costa Basto, Jorge Fernandes, Veríssimo e Associados.

AICEP Portugal Global is a government business entity with the aim to encourage and promote foreign investment in Portugal. This website provides vital information for those wishing to invest in Portugal, such as basic country data, how to set up a company, international agreements, and a labor guide.

Bank of Portugal, also known as Banco de Portugal, is a member of the European System of Central Banks (ESCB) dedicated to the maintenance and stability of the euro. It ensures "the collection and compilation of the monetary, financial, foreign exchange and balance of payments statistics, particularly, within the scope of its co-operation with the European Central Bank."

This is the official site for the Chamber of Commerce and Industry of Portugal which features a business directory with company information. A directory search can be performed by product or business sector. This site also provides information about the services they provide as well as a media kit. 

The main mission of the FCT Space Office, also known as Fundação para a Ciência e a Tecnologia, is to fully explore the benefits of the Portuguese participation in European space programs. The FCT Space Office monitors the participation of Portuguese academia in space programs and contributes to the maintenance of the European Space Agency and other international space organizations. The site provides a general overview of the organization's structure, purpose, and governing bodies. Related statistics and history are also archived. Some aspects of the site are only available in Portuguese.

GuiaNet is a business portal for the multiple sectors of business in Portugal. This site provides a wide variety of directories, messaging, and contact information. 

The International Business Centre of Madeira (IBC), also known as the Madeira Free Trade Zone, explains Madeira’s appeal as a location for international business. This site covers taxation, operational costs, infrastructure, legislation, and business environment information. In addition, a selection of case studies are provided.

Governo de Portugal is the official website for the government of Portugal. This site provides information about current figures including the prime minister, ministers, secretaries of state, and a variety of other governmental ministries. Videos and information about the basic structure of government and politics in Portugal are also posted on the site. 

The Ministry of Agriculture, Forestry and Rural Development (MAFDR), also known as the Ministro da Agricultura, Florestas e Desenvolvimento Rural, is charged with regulating the agriculture industry. Its website contains information about the current minister and other head figures in the ministry, as well as recent news in the ministry. Although an English version of the site is available, this particular page is only available in Portuguese.

The National Communications Authority, also known as Autoridade Nacional de Comunicações (ANACOM) is responsible for the electronic and post sectors in Portugal. ANACOM is responsible for market regulation by promoting competition and guaranteeing network access, while also promoting technological advancements. ANACOM also ensures the application of laws and they deal with complaints regarding post and electronics.

The National Institute of Pharmacy and Medicines (Infarmed) is accountable to the Health Ministry of Portugal. The objective of Infarmed is to monitor, assess, and regulate all activities relating to human medicines and health products for the protection of public health. The site provides detailed information regarding medicinal products, medical devices, cosmetics, licensing bodies, and monitoring the market.

Along with general statistics, the Portugal National Institute of Statistics, also known as Instituto Nacional de Estatística, provides most data in time series format. A number of the statistical tables are also available in excel documents. 

The Regulatory Entity for Social Communication (ERC), also known as Entidade Reguladora para a Comunicação Social (ERC) consists of a regulatory board that defines and implements licenses and other regulatory action. The ERC site contains information about its responsibilities, recent news, studies and publications, legislation, and a common questions section. This website is only available in Portuguese.

The Portuguese Securities Market Commission, also known as Comissao do Mercado de Valores Mobiliarios (CMVM) is responsible for the oversight and regulation of the Portuguese Financial Services Industry. This site contains a list of press releases, publications, statistics, and academic/consulting papers.