Cartuchos SulBeja is a Portuguese ammunition brand based in Beja, a major hunting centre on the Iberian Peninsula. Founded by Francisco Vaz Inácio, the company describes itself as the only Portuguese business with the capacity to design and manufacture hunting and competition cartridges. Its main activity is loading cartridges for hunting and competitive shooting, alongside the sale of hunting and fishing equipment.

The product range includes hunting cartridges, sport-shooting cartridges and components. SulBeja also provides specialised facilities and works with arms dealers to help customers find products suited to their needs. Its stated mission is to offer hunters and shooters cartridges with a strong balance of quality and price, while its values include innovation, quality, safety, transparency and rigour.

With an emphasis on customer satisfaction and loyalty, the company also highlights sustainability and respect for animals and nature. Its website shares information about its history, facilities, products, dealers, competitions and events, as well as annual hunting and competition calendars.