There are many brands that are known for producing high-quality formal shoes. Some of the preferred brands for formal shoes are:

1. Allen Edmonds: This brand is known for its classic and timeless designs, and its use of high-quality materials.
2. Church’s: This British brand is known for its traditional craftsmanship and attention to detail.
3. Alden: This American brand is known for its high-quality leather and durable construction.
4. Loake: This British brand is known for its classic and elegant designs, and its use of high-quality materials.
5. Crockett & Jones: This British brand is known for its traditional craftsmanship and its use of high-quality leather.