| 1 | Wed 1 Aug 2018 | 21-9 v Ipswich TownGrays Athletic 1-9 Ipswich Town | Friendly |
| 2 | Sat 11 Aug 2018 | 22-0 v Witham TownWitham Town 0-2 Grays Athletic | Bostik League North Division |
| 3 | Sat 18 Aug 2018 | 21-1 v Canvey IslandGrays Athletic 1-1 Canvey Island | Bostik League North Division |
| 4 | Sat 25 Aug 2018 | 20-2 v FC RomaniaFC Romania 2-0 Grays Athletic | Emirates FA Cup Preliminary Round |
| 5 | Mon 27 Aug 2018 | 21-3 v AveleyAveley 3-1 Grays Athletic | Bostik League North Division |
| 6 | Sat 1 Sep 2018 | 20-5 v Maldon & TiptreeGrays Athletic 0-5 Maldon & Tiptree | Bostik League North Division |
| 7 | Tue 11 Sep 2018 | 20-0 v Witham TownWitham Town 0-0 Grays Athletic | Velocity Trophy First Round |
| 8 | Sat 15 Sep 2018 | 21-0 v Brentwood TownBrentwood Town 0-1 Grays Athletic | Bostik League North Division |
| 9 | Sat 22 Sep 2018 | 2 1-1 v Mildenhall TownGrays Athletic 1-1 Mildenhall Town | Bostik League North Division |
| 10 | Wed 26 Sep 2018 | 21-1 v Bowers & PitseaGrays Athletic 1-1 Bowers & Pitsea | Bostik League North Division |
| 11 | Sat 29 Sep 2018 | 2 3-1 v Felixstowe & Walton UnitedFelixstowe & Walton United 1-3 Grays Athletic | Buildbase FA Trophy Extra Preliminary Round |
| 12 | Sat 6 Oct 2018 | 24-3 v Great Wakering RoversGrays Athletic 4-3 Great Wakering Rovers | Bostik League North Division |
| 13 | Sat 20 Oct 2018 | 22-1 v Soham Town RangersSoham Town Rangers 1-2 Grays Athletic | Bostik League North Division |
| 14 | Sat 27 Oct 2018 | 20-4 v Coggeshall TownCoggeshall Town 4-0 Grays Athletic | Bostik League North Division |
| 15 | Sat 3 Nov 2018 | 23-2 v TilburyGrays Athletic 3-2 Tilbury | Bostik League North Division |
| 16 | Sat 10 Nov 2018 | 22-1 v Felixstowe & Walton UnitedFelixstowe & Walton United 1-2 Grays Athletic | Bostik League North Division |
| 17 | Sat 17 Nov 2018 | 25-1 v Dereham TownGrays Athletic 5-1 Dereham Town | Bostik League North Division |
| 18 | Sat 24 Nov 2018 | 23-2 v AFC SudburyAFC Sudbury 2-3 Grays Athletic | Bostik League North Division |
| 19 | Sat 1 Dec 2018 | 20-1 v Heybridge SwiftsGrays Athletic 0-1 Heybridge Swifts | Bostik League North Division |
| 20 | Sat 8 Dec 2018 | 21-2 v BarkingBarking 2-1 Grays Athletic | Bostik League North Division |
| 21 | Sat 15 Dec 2018 | 22-2 v Basildon UnitedGrays Athletic 2-2 Basildon United | Bostik League North Division |
| 22 | Tue 1 Jan 2019 | 20-1 v RomfordRomford 1-0 Grays Athletic | Bostik League North Division |
| 23 | Sat 5 Jan 2019 | 23-2 v Bury TownGrays Athletic 3-2 Bury Town | Bostik League North Division |
| 24 | Sat 12 Jan 2019 | 22-2 v Maldon & TiptreeMaldon & Tiptree 2-2 Grays Athletic | Bostik League North Division |
| 25 | Sat 19 Jan 2019 | 20-1 v Witham TownGrays Athletic 0-1 Witham Town | Bostik League North Division |
| 26 | Wed 23 Jan 2019 | 23-4 v AveleyGrays Athletic 3-4 Aveley | Bostik League North Division |
| 27 | Sat 2 Feb 2019 | 20-1 v Coggeshall TownGrays Athletic 0-1 Coggeshall Town | Bostik League North Division |
| 28 | Tue 5 Feb 2019 | 20-1 v Bowers & PitseaBowers & Pitsea 1-0 Grays Athletic | Bostik League North Division |
| 29 | Sat 9 Feb 2019 | 22-2 v Great Wakering RoversGreat Wakering Rovers 2-2 Grays Athletic | Bostik League North Division |
| 30 | Sat 16 Feb 2019 | 24-0 v Soham Town RangersGrays Athletic 4-0 Soham Town Rangers | Bostik League North Division |
| 31 | Sat 16 Mar 2019 | 23-2 v AFC SudburyGrays Athletic 3-2 AFC Sudbury | Bostik League North Division |
| 32 | Sat 6 Apr 2019 | 22-2 v BarkingGrays Athletic 2-2 Barking | Bostik League North Division |
| 33 | Sat 13 Apr 2019 | 143-1 v Brentwood TownGrays Athletic 3-1 Brentwood Town | Bostik League North Division |
| 34 | Sat 20 Apr 2019 | 22-4 v Bury TownBury Town 4-2 Grays Athletic | Bostik League North Division |
| 35 | Mon 22 Apr 2019 | 121-1 v RomfordGrays Athletic 1-1 Romford | Bostik League North Division |
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