By Maria Ward-Brennan Listed online-only building materials firm CMO’s revenue and profits suffer a significant drop over the last financial year as the group blames a “difficult market backdrop”. CMO Group reported on Friday morning its preliminary results which showed revenue fell by 14 per cent to £71.5m, down from £83.1m – this was across all its focus, building, plumbing and tiles. While its gross profit totalled £14.9m, down from the previous year’s figure of £16.5m. Its earnings before interest; tax; depreciation and amortisation (EBITDA) was £0.9m, a drop from £2.1m in 2022. The group …