- Cadw Welsh Government Harlech CastleHarlech Castle Sgwâr Y Castell, Harlech, LL462YH
- ★★★★★Castle Gift ShopCastle Gift Shop Sgwâr Y Castell, Harlech, LL462YH
- ★★★★★Celtig CofiadwyCapel Dwr Sgwâr Y Castell, Harlech, LL462YH
- ★★★★★Harlech storeTabernacle Chapel Stryd Fawr, Harlech, LL462YB
- ★★★★★Hufenfa`r Castell / Castle CreameryHufenfa'r Castell Sgwâr Y Castell, Harlech, LL462YH
- Medical Hall(Rowlands PharmacyChemist Dorvil Stryd Fawr, Harlech, LL462YA
- ★★★★★Morfa GarageMorfa Garage Ffordd Morfa, Harlech, LL462UW
- ★★★★★Morfa StoresMorfa Stores Ffordd Glan Môr, Harlech, LL462UG
- Pro ShopClwb 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