Star Fireworks was crowned 'Champion of Champions' at the British Firework Champions on Plymouth Hoe on Wednesday night.
The Berkshire company beat Pendragon Fireworks into second place and Selstar came third.
Six companies entered this year's two-day spectacular spread over Tuesday and Wednesday evenings.
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Jeremy Corbyn's visit has been one of the big talking points of another busy day at Glastonbury.
The Labour leader said socialist politics would not be put "back in a box" as he appeared on stage at the festival.
Turning windier with a few showers