I've used Golfsavers three times now to booking six rounds of golf around Bangkok; twice in late-2019, once in early-2020, and three times just recently in late-2021. Each time was smooth as silk. Golfsavers offered competitive rates. I noticed they adjust accordingly when a course's direct booking advertises discounts, so that was good. Regarding the transportation, I'd like to note that Golfsavers's transfers are very convenient and sometimes cheaper than booking with a course's preferred company. You might be able to save a couple hundred baht by flagging a taxi or arranging your own service, but I'd rather have peace of mind with my guaranteed reservation. The cars and vans that have been sent were all immaculate and the drivers were very professional.