# Company - Address

In Dashdoc, addresses are linked to companies, just as users.

In your address book in Dashdoc, you can have many companies, that can themselves have many addresses.

A company is the object used to store information about a carrier, shipper, origin or destination addresses' company.

In transport, addresses are used for shipper, carrier, origin, destination, invoicing address. Carriers, shippers and invoicing addresses must be linked to a company, while origins and destinations may be addresses with no company (address name is required in that case).

Creating a company can be done by sending requests to the /companies/ endpoint, or by specifying the `company` field in addresses when creating transports.

Addresses and their companies may be created

Companies have a `remote_id` field that you can fill with your internal company id.

* Using the Create Address API
* Directly at the creation of a transport, by entering data for the address and its company

Company creation is deduplicated with the following fields if provided: `remote_id`, `trade_number`, and `name`.

There is a mechanism preventing companies with the same:

## Addresses

* Dashdoc `id`
* `remote_id` (your id, optional)
* `trade_number` (optional)
* `name` (case insensitive)

An address is the object used to store information about an point of loading and unloading, or the postal address of a shipper or carrier company.

![Company / Address models](/files/31op6SxS8YN0Mn5m9q7b)

Addresses have a `latitude` and `longitude` field that are automatically filled by us if you leave them blank. If you want the trucker to have access to these coordinates on the mobile app, set the `coords_validated` field to `true`.


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