Although the burhs were primarily designed as defensive structures, they were also commercial centres, attracting traders and markets to a safe haven, and they provided a safe place for the king's moneyers and mints.
Burhid, kuigi peamiselt mõeldud kaitseehitisteks, olid ka ärikeskused, meelitades ettevõtjaid ja turge ohutu varjupaigana, ning need pakkusid kindlat kohta kuninga rahapajale.