It would be a 43% increase from last year’s GBP16mln.
The compliance and safety software specialist said it has also delivered further margin expansion and strong underlying cash generation.
Reflecting the impact of recent acquisitions, current group run-rate adjusted EBITDA is around GBP39mln.
The AIM-listed firm has snapped up Integral Occupational Health, an occupational health provider based in Glasgow for GBP2mln.
Agriteck, a water treatment business, and the assets of One Price, a fire safety business, have been acquired for a combined expected enterprise value of GBP600,000.
The new financial year has started well, with significant demand experienced across all business units in April, the company said.
In a separate announcement, Marlowe said it has adopted an executive incentive plan (EIP) which is subject to shareholder approval, though 45% of shareholders have already said they would vote in favour.
The EIP will form the cornerstone of the company’s remuneration structure to retain and motivate the senior management team, as it targets GBP500mln group revenues and GBP100mln adjusted EBITDA in the next three years.
Shares rose 4% to 790.1p on Monday morning.