British Seagull was a British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 manufacturer of two-stroke outboard engines from the early 1930s until the mid 1990s. The company went out of business due to the motor design not being able to keep up with more modern boat engines and increasingly tight emissions regulations. British Seagull no longer produces new engines but still operates for parts.
The main engines produced through most of the company's history can be divided into two main types, the Model 102 and the Classic models.