Hi!
Just wanted to share that we have used Tokyo Airporter to pick up from Haneda Airport to Oakwood Shinjuku Apartments. We were 6 in a group and had about 4 large suitcases and several small bags, cabin sized.
I emailed them for a quote and they got back to me promptly. I then emailed them my details, like name and flight number and arrival time, also number of people and number of bags so as to ensure that the vehicle will be big enough.
They did ask if I would like to pay by credit card or cash to driver upon pick up and I chose the cash option.
On arrival at Haneda, the driver was there with a sign bearing my name. We just had to identify ourselves and he walked us to the car park where the van was parked.
Was asked to pay cash to the driver before he drove out of the airport.
Also given a memo once we have paid.
By the way, we gave a tip on top of the price quoted because the driver helped us load our bags into the van.
Can recommend Tokyo Airporter. They are very professional albeit a bit expensive but you do get door ro door service.