Around 138 jobs are to be created at Trojan Electronics in Swansea as part of a £2.1m investment by the Welsh Government.
Work will start today on a new £625,000 headquarters which will see two of the current Trojan sites move into one.
The new jobs will almost double the current workforce. The new offices are expected to be completed next year.
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Breezy with further showers, locally heavy, spreading in from the west at times.
Breezy, but winds gradually easing overnight. There will be clear spells and isolated showers through the evening.
Calls are being made for a report into allegations over the care of dementia patients at a north Wales hospital to be published.