This is a list of official business registers around the world.

There are many types of official business registers, usually maintained for various purposes by a state authority, such as a government agency, or a court of law. In some cases, it may also be devolved to self-governing bodies, either commercial (a chamber of commerce) or professional (a regulatory college); or to a dedicated, highly regulated company (i.e., operator of a stock exchange, a multilateral trading facility, a central securities depository or an alternative trading system).

The following is an incomplete list of official business registers by country.

A business register may include data on entities, as well as on their status for various purposes. Examples of such registers include:

Another group of business registers is focused on various assets or liabilities of an entity, rather than on entities themselves, these include:

Some types of business registers combine the features of both groups, these include:

There are two registers of entities which are obligated or allowed to register as entrepreneurs:

Registers of some of the types of businesses excluded from registration as entrepreneurs which are available online include the following (the list does not include registries of entities established through a centralized European Union-level procedure, namely the European Research Infrastructure Consortia, the European political parties and the European political foundations):