HelpWithAssignment.com is not legit. Although they have all the fb and youtube stuffs on their site to show that its real but in fact not.

I used this service before and never got the assignment back.
They'll keep asking for an extension deadline for your assignment and in the end you'll never receive anything.

assignmentexpert.com is legit.
Although sometimes the answers that you will get wont be 100% right or incomplete (I got 4/10 for my assignment last time and they gave me 50% refund which is fair enough) but they didn't scam like all other assignment websites.

*Please dont go with helpwithassignment.com , They are scammer from India that will rip you off