Big Talk Studios

Background
Big Talk Studios Limited (formerly known as 26 Nassau Street Limited and Big Talk Productions Limited) is a British film and television production company founded by Nira Park in 1994. It was acquired by ITV Studios in 2013.

1st Logo (March 11-April 15, 2004)
Visuals: On a white background, there are the words "BIG TALK", with the "A" represented by a stylized person with their hands in the air (as if to suggest they are shouting). The word "PRODUCTIONS" is shown below.

Technique: None.

Audio: None.

Availability: Seen on the third series of Black Books.

2nd Logo (November 2007-December 24, 2012)
Visuals: On a black background, there is a box with the white words "bigtalkproductions" engraved on it. The station info is shown below.

Technique: None.

Audio: None or the end theme of the show.

Availability: Seen on Series 1-2 of Friday Night Dinner, Free Agents and early episodes of Him & Her and Rev.

3rd Logo (May 11, 2011-June 19, 2019)
Visuals: On a black background, there are the words "bigtalkproductions" drawing in. Then a stroke appears, and then we flip to the logo from before, only this time, the box is larger.

Variants:
 * A filmed version exists, which a square folds to reveal the plain white paper with the words "bigtalkpictures" flip in before a  appears. Then, the paper folds and flips to reveal the logo.
 * Sometimes, it also shares the screen with other logos (including the 1997 BBC and 2013 ITV logos).
 * A still version also exists.
 * A white background version also exists.
 * A version also exists, where the logo slowly zooms out.

Technique: 2D computer animation by David Bryer Creative.

Audio: None or the opening/end theme of the film or show.

Availability:
 * Seen on Big Talk shows from the time period, like Raised by Wolves, Friday Night Dinner (including the failed pilot to the U.S. version of the show), the 2016 version of Cold Feet, the first series of Back and the U.S. version of Free Agents.
 * The filmed version appears on movies, like Attack the Block and Sightseers.

4th Logo (December 23, 2019-)
Visuals: On a black background, there is a coin flip in to reveal the white word "bigtalk".

Variants:
 * Sometimes, it also shares the screen with other logos (including the 1997 BBC and 2013 ITV logos).
 * On some shows that were made in the north, the word "north" is shown on the right side below "bigtalk".

Technique: 2D computer animation.

Audio: None or the ending theme of the show.

Availability: Seen on recent Big Talk shows, like the final season of Friday Night Dinner and Cold Feet, as well as Back and The Goes Wrong Show.