Hartswood Films

1st Logo (March 29, 1988-March 29, 2007)
Logo: On a paper background, we see a green oblong tree growing and the name "HARTSWOOD FILMS" forming a semicircle above it. There are also "A" and "PRODUCTION" around the logo, and the channel info below.

Variants:
 * Sometimes, the logo is still.
 * A white version exists.
 * To the mid-'90s, the name font was changed to the current one, which was also used in the second logo.
 * On series 1 of My Good Friend, the logo is on a black background with the text in white.
 * On series 2 of My Good Friend, the background is a dimly lit color and the text is black with a shadow effect.
 * On series 7 of Men Behaving Badly, the background is tinted brown and the bottom text "In association with Pearson Television International for BBC Television" is in the same color as the logo itself.
 * On series 4 of Coupling, the background is darker.

Technique: The tree and text forming.

Music/Sounds: Ending theme of the show.

Availability: Was seen on older shows, such as Men Behaving Badly and Coupling. These shows can be easily found on DVDs as well as on-demand. The white logo variant was used in the movie After Thomas, Border Cafe, The Savages, and The Welsh Great Escape.

2nd Logo (June 16, 2007-August 8, 2010)
Logo: On a black background, we see the tree with a different design, looking more spherical with a few relief effects. The name also gains the relief and gradient look. There is "for" below, and the logo is reduced to make enough room for the BBC ident.

Technique: Same as before.

Music/Sounds: Ending theme of the show.

Availability: Can be seen on Jekyll the first series of Sherlock.

3rd Logo (January 1, 2012-December 24, 2020)
Logo: Inside a white box, a print version of the oblong tree from before is seen with the text "HARTSWOOD FILMS" in a stacked format below and divided by a line.

Variants:
 * Shows produced by the company's western division has "FILMS" replaced with "WEST".
 * Series 2 of Sherlock has "HARTSWOOD" arced over the tree and "WEST" under it.
 * On In Search of Dracula with Mark Gatiss, the logo is inside a box.
 * On Dracula, the logo is seen without its box and changes to.
 * On Roald and Beatrix: The Tail of the Curious Mouse, the logo is snowing. Like the above variant, the box was removed.

Technique: None.

Music/Sounds: The ending theme of the show.

Availability: It can be seen on the remaining series of Sherlock as well as its video game, Sherlock: the Network, Dracula,  The Guilty, and Roald and Beatrix: The Tail of the Curious Mouse.

4th Logo (May 15, 2022-)
Logo: On a black background, a brown stylized tree is shown above the stacked text "HARTSWOOD FILMS".

Technique: None.

Music/Sounds: None.

Availability: Brand new. Seen on The Time Traveler's Wife and The Control Room.