BW Businessworld SAP Forecasts Flat 2021 Revenue After Fourth-Quarter Recovery SAP's full-year revenue for 2020 exceeded its lowered guidance while profit hit the high end, the company said in an ad hoc news release on Thursday night issued ahead of results scheduled on Jan. 29. Photo Credit : Business software group SAP forecast flat revenue and a decline in operating profit in 2021, as it released preliminary annual results that came at the high end of guidance slashed last autumn. Walldorf-based SAP said it expected adjusted revenue, at constant currency, to be flat to up 2% this year, while adjusted operating profit was seen falling by 1%-6%.