PCM Technology Solutions UK Ltd, a subsidiary of PCM Inc. (Nasdaq: PCMI), is moving forward with plans to expand in the U.K. with the purchase of Stack Technology Holdings Ltd (The Stack Group).

Founded in 1979, The Liverpool, England-based Stack Group owns two cloud data centers and touts itself as a specialist in the management of information technology services, including cloud and infrastructure management, IT security, virtualization, data services, and unified communications. The target also owns two cloud data centers.

“The acquisition of The Stack Group is a key milestone for our new U.K. segment to further support our clients’ needs in the services and solutions market,” states PCM Inc. CEO Frank Khulusi.

The Stack Group will compliment the services Bootle, England-based PCM Tech with additional vendor accreditations and expertise in hybrid cloud, networking, security, data management and the digital workplace. The buyer touts Cisco Systems Inc. (Nasdaq: CSCO), Dell Inc. (Nasdaq: DELL), NetApp Inc. (Nasdaq: NTAP), VMware Inc. (NYSE: VMW), Ubiquiti Networks Inc. (Nasdaq: UBNT) among its list of customers.

Financial terms of the deal were not disclosed.

At a time when data security is urgently needed to protect everything from massive databases to mobile devices, dealmakers are acquiring security providers from the middle-market. ManTech International Corp. (Nasdaq: MANT) acquired cloud service management provider InfoZen for $180 million; Honeywell International Inc. (NYSE: HON) purchased Nextnine; Open Text Corp. (Nasdaq: OTEX) bought Guidance Software Inc.; Zix Corp. (Nasdaq: ZIXI) acquired email encryption provider Entelligence Messaging Server; and Symantec Corp. (Nasdaq: SYMC) announced plans to buy Fireglass for undisclosed terms.