EnSilica PLC shares slumped on Monday as its pretax loss widened while chip supply revenue more than doubled.

EnSilica is an Oxford, England-based chip maker of mixed signal application specific integrated circuits.

In the six months to the end of November, revenue fell 3.0% to £9.3 million from £9.6 million in the previous year.

Pretax loss widened in the same period to £1.4 million from £309,000.

EnSilica shares were down 12% to 43.05 pence in London on Monday morning.

Cost of sales rose 8.7% to £5.8 million from £5.4 million.

The company noted that chip supply revenue increased markedly in the period, to £2.9 million from £1.1 million, with orders secured for £6 million of revenue in the full-year.

The company said it has won five design and supply application-specific integrated circuit contracts to generate supply revenue from 2027 onwards.

Chief Executive Officer Ian Lankshear said: ‘We have made a solid start to 2025, securing a further five design and supply ASICs contracts, and we remain confident of securing additional mandates across the remainder of the financial year.

‘Our NRE and chip supply revenues from these new contracts alone are expected to generate a further £100 million of revenues over their lifetime, starting from 2027 onwards, further cementing our growing financial base.’

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