Singapore ranks 10th globally for annual net effective occupier costs, with Hong Kong and Tokyo remaining Asia-Pacific's most expensive office markets, according to Savills' latest Prime Office Costs report. The global findings are broadly consistent with trends observed in Singapore, where CBD Grade A office vacancy fell to 5.6%, reflecting continued demand for premium office space. "Coupled with the limited supply of new office developments, premium office buildings continue to record healthy occupancy levels and rental growth. AI companies are emerging as one of the fastest-growing occupier groups in the prime global office market, accounting for 17% of all prime technology sector deals in H1 2026, up from 3% in H1 2024. Net all-in prime office occupier costs, rent plus fit-out costs, rose 1% in Q2 2026, bringing the year-on-year change to 5.3%.