Agreement signed, closing still ahead
Siemens announced on November 10 that it has signed an agreement to acquire Lauterbach, which makes debug and trace tools for embedded software and complex chips.
The company expects the transaction to close in the first half of 2027, subject to customary conditions and required regulatory approvals. The announcement concerns a planned acquisition, rather than a completed transfer of ownership.
Why developers are affected
Siemens plans to combine its hardware-assisted verification products with Lauterbach’s software-debugging technology. The intended workflow would give developers a shared view of chip and software behaviour, including work done before the physical chip is available.
This describes the planned technical direction. The release does not give a shipment date, licensing price or customer migration procedure for a combined product. It also does not establish an independently measured productivity improvement.
The price remains undisclosed
The financial terms were not announced. Siemens says Lauterbach generated roughly €60 million in revenue in 2025; that figure describes the business’s annual sales.
Siemens also says Stephan Lauterbach and Thomas Ullmann will continue their work after closing. Existing users can follow the official transaction announcement for confirmed changes to the tools; no support or licence change is specified here.
