By Jess Jones London-based software firm Kainos, a key NHS supplier, has said its full year revenue for 2023 will slip below forecasts as weak demand from commercial clients bites. Kainos had projected revenue of £395.4m to £404.1m, while the analyst consensus revenue estimate was £400.7m. It told markets this morning that pre-tax profit will remain in line with a consensus forecast of £76.3m, while its revenue will be “slightly below” the forecast. Although it is yet to reveal the exact figures, the IT company said that the performance of its digital services division was hit by weakness in d…