Cinesite

Background
Cinesite Studios (also known as Cinesite VFX or simply Cinesite) is an independent, multinational business which provides services to the media and entertainment industries. Its head office in London opened for business in 1994, initially offering services in visual effects for film and television, subsequently expanding to include feature animation.

1st Logo (December 3, 2006)
Logo: Unknown.

Technique: None.

Music/Sounds: The closing theme of the movie.

Avaliability: Only seen at the end of Miss Potter.

2nd Logo (May 28, 2021-)
Logo: On a black background, we see the previous logo, but is now in has a more streamlined design and also in a different font, revealing from the shadowy background.

Variant: A still in-credit version appears at the end of Paws of Fury: The Legend of Hank.

Technique: 2D animation. None for the variant.

Music/Sounds: The opening/closing theme of the movie.

Availability: First seen on Riverdance: The Animated Adventure, and it later appeared at the end of Paws of Fury: The Legend of Hank. It is also used in tandem with the next logo below.

3rd Logo (2021-)
Logo: On a black background illuminated with and  lights, we see the parts of the previous logo fly and form in. Everything lights up a little, then the logo fades out.

Variants:
 * A 30th anniversary variant exists, where everything has been shifted up to the left to make way for the segmented numbers "30" (with the "0" being cut) and "YEARS" beside it. A narrow white line separates the 30 Years disclaimer and the Cinesite logo.
 * A short version appears at the start of Paws of Fury: The Legend of Hank.

Technique: CGI.

Music/Sounds: The opening/closing theme of the movie/reel or none.

Availability: First seen on their 30th anniversary reel. It also appeared on its 30th anniversary website and at the start of Paws of Fury: The Legend of Hank. It is also used in tandem with the previous logo above (again).