Richard Bradley 
Lawrence Swift The Beginning [EPUB ebook] 

Lawrence works for the UK/US alliance. His job is to keep the world safe from foreign invasion.

After his office building gets attacked and his escape hover copter gets shot down. He needs to go into hiding.

While in hiding he spends his time, designing and building his own cyborg army.

When the Russians finally find him, Lawrence is ready, with help from his closest friends and his cyborg army.

Lawrence is fighting for his life could this be his last battle, can he survive, and can he really rely on his own invention to save him.