- ★★★★Bean & BlwmCastle Restaurant Sgwâr Y Castell, Harlech, LL462YH
- ★★★★★Byrdir HouseByrdir Stryd Fawr, Harlech, LL462YA
- ★★★★★Caddy CafeThe Caddy Cafe Ffordd Newydd, Harlech, LL462UB
- Cadw Welsh Government Harlech CastleHarlech Castle Sgwâr Y Castell, Harlech, LL462YH
- ★★★★★Caffi Castell HarlechCastle Hotel Sgwâr Y Castell, Harlech, LL462YH
- ★★★★★Caffi Llew GlasPlas Y Goits Stryd Fawr, Harlech, LL462YA
- ★★★★★Castle Cottage InnGwesty Castle Cottage Ffordd Pen Llech, Harlech, LL462YL
- ★★★★★Castle Gift ShopCastle Gift Shop Sgwâr Y Castell, Harlech, LL462YH
- ★★★★★Celtig CofiadwyCapel Dwr Sgwâr Y Castell, Harlech, LL462YH
- ★★★★★Crown LodgeCrown Lodge Ffordd Isaf, Harlech, LL462PR
- Cwt Cacen2 Ty Canol, Harlech, LL462NZ
- ★★★★★GlostersYsgubor Penmaen, Harlech, LL462UR
- ★★Golden Inn RestaurantGolden Inn Restaurant Stryd Fawr, Harlech, LL462YB
- ★★★★★Gwrach Ynys Country Guest HouseGwrach Ynys, Ynys, Talsarnau, LL476TS
- ★★★★★Harlech House LtdLion Hotel Pen Dref, Harlech, LL462SG
- ★★★★★Harlech storeTabernacle Chapel Stryd Fawr, Harlech, LL462YB
- ★★★Harlech TandooriLlys Y Graig Stryd Fawr, Harlech, LL462YE
- ★★★★★Hufenfa`r Castell / Castle CreameryHufenfa'r Castell Sgwâr Y Castell, Harlech, LL462YH
- ★★★★★Maes Y Neuadd Bar and RestaurantGwesty Maes Y Neuadd, Eisingrug, LL476YA
- Medical Hall(Rowlands PharmacyChemist Dorvil Stryd Fawr, Harlech, LL462YA
- ★★★★★Morfa GarageMorfa Garage Ffordd Morfa, Harlech, LL462UW
- ★★★★★Morfa StoresMorfa Stores Ffordd Glan Môr, Harlech, LL462UG
- ★★★★★Plas CafeStore Plas Crafts And Cafe Stryd Fawr, Harlech, LL462YA
- ★★★★★Popz Jerk Pan Kitchen60 Glan Gors, Harlech, LL462NJ
- Pro ShopClwb Golff Royal St Davids Ffordd Newydd, Harlech, LL462UB
- ★★★★★Royal St Davids Golf ClubClwb Golff Royal St Davids Ffordd Newydd, Harlech, LL462UB
- ★★★★★Seasons And ReasonsTymhorau A Rhesymau Ffordd Pen Llech, Harlech, LL462YL
- ★★★★★The Harlech Grocer LtdCambrian House Stryd Fawr, Harlech, LL462YA
- ★★★★★The Queen's HotelQueen's Hotel Hwylfa'r Nant, Harlech, LL462UF
- ★★★★★WildernessAngorfa Stryd Fawr, Harlech, LL462YA
- ★★★★★Y BranwenGwesty'r Branwen Ffordd Newydd, Harlech, LL462UB
- ★★★★★Y Copa1 Castle Court Stryd Fawr, Harlech, LL462YE
- ★★★★★Yr Hen Farchnad GawsYr Hen Farchnad Gaws Sgwâr Y Castell, Harlech, LL462YH
- ★★★★★Ysgol ArdudwyYsgol Ardudwy Ffordd Glan Môr, Harlech, LL462UH
- ★★★★★Ysgol Gynradd Tan Y CastellYsgol Gynradd Tan Y Castell Hwylfa'r Nant, Harlech, LL462UE