Question

......is an organisation that provides services accessing and using the internet?

Answer 1

An Internet service provider (ISP) is an organization that provides services for accessing or using the Internet. 

Answer 2

"Internet Service Provider" (ISP) is an "organisation" that "provides services" by "accessing and using" the internet. Each request that comes from the internet connected devices are processed through ISP to access the internet.

    Internet Service Provider (ISP) comes with Usenet service, web hosting, colocation, domain name registration, internet access, and internet transit. Some of the examples of ISP are AT&T, Verizon, NetZero, Cox, and Comcast."