As the main songwriter, vocalist Oliver Sykes usually comes up with the initial ideas and lyrics, which he then shares with the rest of the band. The band then works together to arrange the music, add instrumentation, and refine the lyrics. Bring Me the Horizon is known for experimenting with different musical genres and incorporating a wide range of sounds and influences into their music, so their songwriting process can be quite varied and dynamic.
All of Bring Me the Horizon's albums are credited to all five band members, indicating their collective involvement in the songwriting and production process. They are known for taking creative control over their music, and their albums are typically self-produced or produced in close collaboration with a trusted producer like Terry Date.
Overall, Bring Me the Horizon is a band that prides itself on its DIY approach and its commitment to creative freedom, and they have consistently demonstrated their ability to write and produce their own music that resonates with their fans and pushes the boundaries of their musical genre.