Pupils from Park Special School in Belfast have been awarded the team of the year prize at the Northern Ireland Young Enterprise Awards.
Their company, Spectrum, manufactures and sell suncatchers.
Joshua said the best thing was the painting, which he finds very relaxing.
“I like to draw myself and it doesn’t take a lot of time for me as I’m very quick at what I do,” he said.
The pupils were presented with their award at a ceremony at Belfast City Hall, and Joshua said they have more celebrations planned before the end of the school year.
“We got to go to City Hall, that we were very happy about,” he said.
“We’re planning to go on trips and stuff with our profit.”