Philip Howard Grannum

Part of Macquarie Group Ltd., Internal Systems Ltd. is a British company that provides information technology solutions. The company is based in Luton, UK. Internal Systems was acquired by Wavenet Ltd. on October 19, 2021.

Excell Holdings Ltd. provides managed information technology and mobile telecommunication services. The private company is based in Cambridge, UK. and has subsidiaries in United Kingdom. Excell Holdings was founded in 2017.

Part of Macquarie Group Ltd., Internal Systems Ltd. is a British company that provides information technology solutions. The company is based in Luton, UK. Internal Systems was acquired by Wavenet Ltd. on October 19, 2021.

Excell Holdings Ltd. provides managed information technology and mobile telecommunication services. The private company is based in Cambridge, UK. and has subsidiaries in United Kingdom. Excell Holdings was founded in 2017.

Part of Macquarie Group Ltd., Internal Systems Ltd. is a British company that provides information technology solutions. The company is based in Luton, UK. Internal Systems was acquired by Wavenet Ltd. on October 19, 2021.

Excell Holdings Ltd. provides managed information technology and mobile telecommunication services. The private company is based in Cambridge, UK. and has subsidiaries in United Kingdom. Excell Holdings was founded in 2017.

Wavenet Ltd. engages in the provision of telecommunications services to businesses and enterprises. It offers network and connectivity; unified communications and voice; security and compliance; and technology services. The company was founded in 2000 and is headquartered in Solihull, the United Kingdom.