| 03.04.2024 14:00 | SYM | Director dealing | RNS |
| 03.04.2024 12:19 | MDZ, VTA, SAVE | EARNINGS AND TRADING: MediaZest optimistic; Volta Finance NAV up | Alliance |
| 28.03.2024 16:23 | SYM | Result of PrimaryBid Offer | RNS |
| 28.03.2024 14:18 | SYM | Holding(s) in Company | RNS |
| 25.03.2024 15:02 | SYM | Replacement - Subscription and Notice of GM | RNS |
| 22.03.2024 17:05 | SYM | Symphony Environmental Technologies looks to raise almost GBP2 million | Alliance |
| 22.03.2024 10:17 | CPX, SYM, TRAK | AIM WINNERS & LOSERS: Trakm8 falls on profit warning | Alliance |
| 22.03.2024 07:01 | SYM | PrimaryBid Offer | RNS |
| 22.03.2024 07:00 | SYM | Subscription, PrimaryBid Offer and Notice of GM | RNS |
| 14.03.2024 07:00 | SYM | Extension to Convertible Loan Agreements | RNS |
| 13.03.2024 15:10 | SYM | IN BRIEF: Symphony Environmental plastics given approval by EPA report | Alliance |
| 13.03.2024 07:00 | SYM | US Environmental Protection Agency positive report | RNS |
| 09.02.2024 18:53 | SUH, APAX, DCI | TRADING UPDATES: Apax opts against lifting offer; DCI enters loan deal | Alliance |
| 31.01.2024 12:30 | CORO, EME, SYM | EARNINGS AND TRADING: Symphony Environmental plummets on EU judgement | Alliance |
| 31.01.2024 10:21 | ITM, SYM, PEB | AIM WINNERS & LOSERS: Pebble Beach rises as trades ahead of forecasts | Alliance |
| 31.01.2024 09:48 | SYM | EU Court Judgement | RNS |
| 18.01.2024 12:54 | SYM | Symphony Environmental shares jump as revenue edged higher | Alliance |
| 18.01.2024 07:00 | SYM | Trading Update and EU Case | RNS |
| 08.01.2024 07:00 | SYM | Grant of options and PDMR dealing | RNS |
| 02.01.2024 07:00 | SYM | Director appointment & grant of options | RNS |
| 28.12.2023 07:00 | SYM | Options amendments | RNS |
| 18.10.2023 14:25 | SYM | IN BRIEF: Symphony Environmental inks additional loan agreement | Alliance |
| 18.10.2023 14:10 | SYM | £1.0m convertible loan agreement | RNS |
| 29.09.2023 12:55 | FEN, SJG, SYM | EARNINGS: CMO "not immune" to tough market; Malvern in profit swing | Alliance |
| 29.09.2023 07:00 | SYM | Interim Results | RNS |
| 26.09.2023 12:08 | SYM | Symphony Environmental Tech shares up as Yemen enforces 2010 law | Alliance |
| 26.09.2023 10:39 | AAZ, BLVN, PXEN | AIM WINNERS & LOSERS: Bowleven shares drop on concern for cash runaway | Alliance |
| 26.09.2023 07:00 | SYM | Yemen Enforces Oxo-Biodegradable Plastic Law | RNS |
| 11.08.2023 07:00 | SYM | Directorate Change | RNS |
| 01.08.2023 14:36 | ECO, SYM, ENET | TRADING UPDATES: RentGuarantor loss widens, Journeo revenue soars | Alliance |
| 01.08.2023 07:00 | SYM | Pre-close Trading Update | RNS |
| 04.07.2023 07:00 | SYM | Directorate Change | RNS |
| 29.06.2023 13:46 | SYM | Result of AGM | RNS |
| 29.06.2023 12:14 | SYM | Symphony Environmental expects to return to profit in coming months | Alliance |
| 29.06.2023 10:33 | LND, SIS, ING | AIM WINNERS & LOSERS: Ingenta shares up on on win of two contracts | Alliance |
| 29.06.2023 07:00 | SYM | AGM Statement | RNS |
| 22.06.2023 15:44 | VRCI, TRR, TXP | UK shareholder meetings calendar - next 7 days | Alliance |
| 07.06.2023 08:34 | SYM | Posting of Annual Report & Accounts & AGM Notice | RNS |
| 30.05.2023 11:50 | SYM | Symphony Environmental revenue down by a third; expects profit in 2023 | Alliance |
| 30.05.2023 07:00 | SYM | Preliminary Results | RNS |
| 21.03.2023 11:17 | SYM | Symphony Environmental case heard by EU court, judgement in due course | Alliance |
| 21.03.2023 07:00 | SYM | EU court hearing | Reach |
| 13.03.2023 21:02 | TERN, SYM, NMT | TRADING UPDATES: DX opens new depots; Tern hails new order for Wyld | Alliance |
| 13.03.2023 15:40 | SYM | Convertible loan agreement & revenue update | RNS |
| 09.03.2023 11:59 | GENL, LIT, GPH | TRADING UPDATES: NWF beats market view; AFC hydrogen offering progress | Alliance |
| 09.03.2023 07:00 | SYM | d2w BioBottles supply agreement with TricorBraun | Reach |
| 23.12.2022 10:26 | SYM | Symphony Environmental expects annual loss to widen as revenue drops | Alliance |
| 23.12.2022 07:00 | SYM | Trading update | RNS |
| 31.10.2022 07:00 | SYM | Attendance at world’s leading plastics trade fair | Reach |
| 28.10.2022 14:51 | SYM | Director/PDMR Shareholdings – Option amendments | RNS |
| 29.09.2022 15:05 | SYM | Symphony Environmental revenue falls; stresses growth of Indian market | Alliance |
| 29.09.2022 09:00 | SYM | Investor Presentation | RNS |
| 29.09.2022 07:01 | SYM | Symphony India operations update | RNS |
| 29.09.2022 07:00 | SYM | Interim results for the 6 m/e 30 June 2022 | RNS |
| 09.08.2022 18:03 | SYM | IN BRIEF: Symphony Environmental notes positive regulation in Mexico | Alliance |
| 09.08.2022 07:00 | SYM | Mexican Technical Standard Validating d2w | RNS |
| 08.08.2022 11:57 | SYM | Symphony Environmental builds Middle East pipeline with Ecobatch | Alliance |
| 08.08.2022 07:00 | SYM | Agreement for Middle East manufacturing | RNS |
| 01.08.2022 21:20 | SYM | IN BRIEF: Symphony Environmental raises GBP1 million via subscription | Alliance |
| 01.08.2022 15:16 | NAH, HCM, JNEO | TRADING UPDATES: Belvoir, Ingenta revenue up; Symphony revenue down | Alliance |
| 01.08.2022 11:14 | VAST, WSBN, KGH | AIM WINNERS & LOSERS: Wishbone drill results impress; DeepVerge pact | Alliance |
| 01.08.2022 07:01 | SYM | Equity subscription and grant of warrants | RNS |
| 01.08.2022 07:00 | SYM | Trading Update | RNS |
| 07.07.2022 20:11 | SYM | IN BRIEF: Symphony Environmental gains sales order from Rivulis | Alliance |
| 07.07.2022 07:00 | SYM | d2p Anti-Insect Sales | RNS |
| 29.06.2022 14:00 | SYM | Result of AGM | RNS |
| 29.06.2022 07:00 | SYM | AGM Statement | RNS |
| 28.06.2022 11:26 | SYM, ABDX, IGR | AIM WINNERS & LOSERS: Abingdon up on settlement; Jangada needs funding | Alliance |
| 28.06.2022 10:26 | SYM | Symphony Environmental rises on bread packaging technology deal | Alliance |
| 28.06.2022 07:00 | SYM | d2p Supply Agreement with Grupo Bimbo | RNS |
| 27.06.2022 21:51 | SYM, SRES, BELL | TRADING UPDATES: Anglo-Eastern Plantations sees palm oil prices rise | Alliance |
| 27.06.2022 07:00 | SYM | Peru legal action outcome | RNS |
| 22.06.2022 15:48 | ZAIM, XPF, TRIN | UK shareholder meetings calendar - next 7 days | Alliance |
| 07.06.2022 07:00 | SYM | Posting of Annual Report and Notice of AGM | RNS |
| 18.05.2022 07:00 | SYM | Appointment of Executive Director | RNS |
