Okay - I guess an introductory to the other hobby businesses would be useful here.
That site carries a lot of the same type of products you can get from a variety of Gaming and Model related manufacturers. Many of these are from Spain, or other parts of Europe; but have a fair number of US/Canada retailers (Gaming and Model shops) that carry their lines.
The Army Painter - obviously has a line of paints, quite good actually, and also has a line of scenery supplies and the like under their "Basing" collection.
https://www.thearmypainter.com/Scale75 - is mostly paints (also quite good) and has some scenery oriented supplies as well.
https://scale75.com/AMMO by Mig Jimenez - very wide range of quality paints and other supplies. Increasingly popular with modelers of armor, ships, aircraft etc. Does also have some diorama supplies.
https://www.migjimenez.com/en/AK Interactive - another well established model paint/products company with a wide range of goodies.
https://ak-interactive.com/Acrylicos Vallejo - last, but certainly not least. Very wide range of paints and other supplies that has been around in Europe almost as long as Andreas Colour has.
https://acrylicosvallejo.com/en/The only issue is the modest number of Game and/or Model shops left that actually carry these lines over here. With the pandemic and all of the supply chain issues, there has been some fallout.