- Zetes, a pan-European systems integrator, has completed the acquisition of Peak Europe from Peak Technologies. Zetes has subsidiaries in ten countries and offers value-added solutions in the automatic identification industry. It has acquired PEAK Europe's four operating companies, which had an annual turnover of EUR42 million (£28 million) in 2005. www.peak2zetes.com

- Stonesoft has signed an OEM agreement with PortWise. Stonesoft will use the PortWise Secure Access Platform as their SSL VPN technology. Ilkka Hiidenheimo, CEO and founder of Stonesoft (pictured), said: "This deal will help us fulfil our customers' and partners' needs in rapidly changing business environments."

www.stonesoft.com

www.portwise.com

- Akamai Technologies is to acquire Netli in a merger transaction. Netli is a global service provider for accelerating applications over the internet. The acquisition, which is expected to close later in the year, will strengthen Akamai's position in the application acceleration sector.

www.akamai.com

www.netli.com

- Sendmail has entered into a partnership with enterprise security company Voltage Security. The deal will allow Sendmail to integrate Voltage's SecureMail technology into its high-performance software and appliance policy engines within the Trusted Unified Messaging Platform (TrUMP).

www.sendmail.com

www.voltage.com

- The £3.3 million acquisition of TSSI by an investment team has been completed three years ahead of schedule. The group of shareholders, led by executive chairman Danny Chapchal and non-executive director Lord Young of Graffham, acquired the company from Scipher in June 2005 in a deal that included a £2 million deferred consideration. Swindon-based TSSI specialises in document verification, biometrics and identification systems.

www.tssi.co.uk.