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They were following a long, straight road over a stretch of land that had somehow been hammered flat, with an airstrip on one side and a cluster of four high-tech buildings on the other. The buildings were large, smoked glass and steel, each one joined to the next by a covered walkway. There were two aircraft next to the landing-strip. A helicopter and a small cargo plane. Alex was impressed. The whole complex must have been about five kilometres squared. It was quite an operation.

—Alex Rider's first glance at Sayle Enterprises

Sayle Enterprises is a company that appears in the novel Stormbreaker.


Sayle Enterprises is owned by Herod Sayle, whom it is named after. They are known for manufacturing computer technology in non-sterile environments, allowing them to provide far more affordable technology to their consumers. The company is best known for manufacturing the Stormbreaker computers.


The only known location of Sayle Enterprises is a factory and guest houses in Port Tallon, Cornwall, UK. It is located in a high-security complex about five kilometers square built above a disused tin mine.

In the film adaptation of Stormbreaker, however, an additional location to the company was included. The headquarters of the Sayle Enterprises is shown to be a fifty-story Neo-futuristic skyscraper, simply referred to as "Sayle Tower," in downtown London neighboring the Gherkin, where the climax of the film takes place. The tower has a satellite transmitter on its rooftop, which Sayle intended to use as a backup to manually-override and activate the Stormbreakers after his initial plan failed.