Complex sentence: StarLeaf is a UK-based company that provides voice and video conferencing services to businesses worldwide, including the manufacture of a range of voice and video hardware systems for conference rooms and desktops, and software clients for mobile users.
Split into simpler sentences: StarLeaf is a UK-based company that provides voice and video conferencing solutions to businesses worldwide. They manufacture a range of voice and video hardware systems for conference rooms and desktops, and software clients for mobile users.