Fidelity ADT very poor service

I had a new Adt alarm installed in December 2017 ,since it has been installed it has been struck by lighting twice .Initially I had chubb alarm system for 7 years .I never had such a problem .I have been told I have to pay for the repairs and I strongly believe there is something wrong with their equipment as it is the only equipment struck by lighting in the house .I was also told I had to liaise with the contractor myself as ADT is not responsible for the contractor they have outsourced. I do not know this contractor and did not sign the contract with the contractor but ADT .I am very unhappy with their poor service .They