Xeros Technology Group said it had signed a second Symphony project development agreement with another manufacturer of commercial washing machines.
The partner, which Xeros didn't name, had a significant presence in many major markets across the world, the company said.
Xeros would incorporate its open source technology in the partner's machine for the purposes of technical validation and testing.
Following the testing phase the parties anticipate the commencement of commercial negotiations.
At 9:39am: (LON:XSG) Xeros Technology Group Plc share price was +11p at 240p