WORLDWIDE TRAVEL, High ratings registry 2020
Google 5.0 (218) · Yandex 5.0 (39) · 2GIS 4.5 (2) High ratings259 ratings

56 agencies: Tashkent travel agencies that organize tours across Uzbekistan, ranked by customer ratings.
By the edem index: WORLDWIDE TRAVEL, StanAdventure, Apollo Travel. The index takes into account 3,083 customer ratings on Google, Yandex Maps and 2GIS and trusts agencies with few ratings less.
The edem catalog lists 56 agencies, 27 of them found in the tour operator register (2020). 4 have current tours right now.
Yes, many agencies sell day trips to Chimgan, Charvak and to Samarkand by high-speed train. Check what is included: transport, guide, entrance tickets.
No. The rating level depends only on customer ratings on the maps. Advertising is labeled separately.