Andrus Ansip's Government Cabinet which was established after the 2005 parliamentary elections, stated in its 2007–2011 coalition programme the need for a unified homeland security agency in order to reduce operating costs and upkeep[1] between the ministry and its organizations.

[3] The final study presented by the working group proposed to unite three main law enforcement organizations, including the Police, Border Guard, and the Citizenship and Migration Board into a single structure capable of carrying out all the tasks.

In October 2007, the Ministry of the Interior created another working group with an operational task to start the unification process.

[2] On August 31, 2008, the Cabinet approved the creation of a new government organization within the Ministry of the Interior with the unification of these three agencies.

On a blue background is a silver lion standing on its rear legs, holding a small coat of arms withs paws, which represents readiness to protect public order and the interests of the state.

The eagle and border post are surrounded by a wreath of silver oak leaves, which symbolizes unity and manliness.

There is a silver ribbon with the date of establishment of the Estonian Border Guard on the lower part of insignia.

The main figure on the flag is a white standing lion holding a national small coat of arms with its paws.