Birmingham's buyers sit in clusters. Colmore Row and Brindleyplace hold law, accountancy and banking floors where building managers hire cleaners for whole blocks. The Bullring and Grand Central area bring retail and station-facing units that clean at night.
Around the NEC in Solihull borough, hotels and exhibition halls need fast, large cleans between events. Aston and the Black Country estates in Dudley, Walsall and Wolverhampton run factories, depots and trade counters with heavy floors and tight shift times.
Coventry sits further east and shops for its own cleaners. A buyer in one cluster seldom hears of a firm that works in another, so your marketing has to reach each cluster on its own terms.