UK small-cap RNS · 18 Dec 2025
The key announcements of UK small & mid caps under £2bn on 18 Dec 2025 – situations they move are marked, with the share price since.
Key = all announcements except routine filings (voting rights, buybacks, holdings, director forms), plus director dealings and holdings that are part of a situation. Not investment advice.
| Date | Company | Mcap ↕ | Type | Announcement | |
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| 18 Dec | PPHE Hotel Group Ltd PPH | £608m | Completion of refinancing of Park Plaza Victoria
PPHE Hotel Group, the international hospitality real estate group which develops, owns and operates hotels and resorts, is pleased to announce that a new £88 million 5-year facility agreement relating to the refinancing of Park Plaza Victoria London, … |
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| 18 Dec | Amigo Holdings AMGO | £34m | Fundraise | Result of WRAP Retail Offer and GM webcast details
Amigo Holdings PLC, (LSE: AMGO is pleased to confirm, further to the announcement made on 15 December 2025 headed "WRAP Retail Offer for up to £188,100" ("Announcement"), the result of its Fundraise at the Issue Price of 0.3 pence per share. |
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| 18 Dec | Venture Life Group VLG | £82m | Exercise of Share Options & Total Voting Rights
Venture Life Group PLC (AIM: VLG), a recognised leader in proactive healthy, product innovation, development, and commercialisation within the global consumer healthcare sector, announces that it has issued 201,500 ordinary shares of 0.3 pence each in the … |
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| 18 Dec | Time Out Group TMO | £37m | Fundraise | Result of Retail Offer
Time Out (AIM: TMO), the global media and hospitality business, announced on earlier today the launch of a Capital Raising comprising a Firm Placing and a Conditional Placing in conjunction with a Retail Offer. |
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| 18 Dec | Caledonian Holdings plc CHP | £2.2m | Further investment in AlbaCo Limited
Caledonian Holdings plc (AIM: CHP), the financial services-focused investing company, is pleased to announce that it has entered into an agreement to provide a further £450,000 of short-term funding support to existing investee company, AlbaCo Limited … |
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| 18 Dec | Mercantile Ports & Logistics Limited MPL | £14m | Update on Ongoing Legal Proceedings
Mercantile Ports & Logistics Limited (AIM: MPL), which is operating and continuing to develop a port and logistics facility in Navi Mumbai, Maharashtra, India, provides an update on the ongoing legal proceedings relating to its subsidiary, Karanja Terminal & … |
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| 18 Dec | Chariot Limited CHAR | £88m | Disposal of Water Business
The water business primarily held the proof-of-concept desalination project in Djibouti. |
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| 18 Dec | Afentra AET | £203m | Afentra Completes Somaliland Divestment
Afentra plc ('Afentra' or the 'Company') (AIM: AET), an upstream oil and gas company focused on acquiring production and development assets in Africa, announces that it has completed the transfer of its 34% non-operated participating interest in the Odewayne … |
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| 18 Dec | M&C Saatchi SAA | £137m | Statement regarding press speculation
The board of directors of M&C Saatchi (the "Board") notes the recent press speculation relating to the Company's Chief Executive Officer role. |
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| 18 Dec | Symphony Environmental Technologies SYM | £15m | Strategic MoU Signed with Arsan Global
Symphony Environmental Technologies Plc (AIM:SYM), global specialists in technologies that make plastic and rubber products "smarter, safer and sustainable", is delighted to announce a landmark Memorandum of Understanding ("MoU") with Arsan Global ("Arsan"), … |
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| 18 Dec | On The Beach Group OTB | £239m | Director dealing | Director/PDMR Shareholding
The Company announces that it has been notified that on 18 December 2025 Adam Hansen, Chief Strategy Officer, transferred 10,404 ordinary shares of 1 pence each in the Company ("Ordinary Shares") held by him to an individual savings account ("ISA") held in … |
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| 18 Dec | NewRiver REIT NRR | £346m | Scrip Dividend Reference Price
The Company announces that the scrip dividend reference price for the fully paid shares in the Company to be issued to shareholders who elect to receive the scrip dividend alternative for the interim dividend for the six months ended 30 September 2025 is … |
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| 18 Dec | Time Out Group TMO | £37m | Fundraise | Result of Firm and Conditional Placing
Time Out Group plc (AIM: TMO) (the "Company"), the global media and hospitality business, is pleased to announce that, following the announcement made earlier today (the "Launch Announcement") regarding the launch of a Firm Placing, a Conditional Placing and … |
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| 18 Dec | Playtech PTEC | £1,020m | Director Declaration
Playtech plc (LSE: PTEC) notes that Linda Marston-Weston, Non-executive Director of the Company, has been appointed as a Non-executive Director of Pathos Communications plc (LON: NEWS) with effect from 16 December 2025. |
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| 18 Dec | Mitchells & Butlers MAB | £1,835m | Results | Annual Report 2025
In compliance with UK Listing Rule 6.4.1R, Mitchells & Butlers plc (the "Company") has today submitted copies of the following documents to the National Storage Mechanism, together with this announcement: |
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| 18 Dec | Ampeak Energy Limited AMP | £14m | Offshore works completed at MeyGen site
Ampeak Energy and Proteus Marine Renewables have successfully completed works at the world-leading MeyGen tidal stream project in Scotland's Pentland Firth. |
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| 18 Dec | Defence Holdings PLC ALRT | £17m | Exercise of Warrants and Update on ATM Facility
The Company has received notice from a warrant holder to exercise warrants over a total of 45,000,000 ordinary shares of £0.001 each in the Company (“Ordinary Shares”). |
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| 18 Dec | RC365 Holding RCGH | £10m | Board change | Directorate Change
RC365 Holding plc (LSE: RCGH), an established payment solutions and fintech company, is pleased to announce the appointment of Mr. |
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| 18 Dec | Quantum Data Energy PLC QDE | £5.8m | Board change | QDE CEO Interview & Publication of Business Video
London, UK - Quantum Data Energy PLC (LSE: MAST) is pleased to announce that an interview recorded recently by its Chief Executive Officer, Pieter Krügel, with Vox Markets has been released. |
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| 18 Dec | Workspace Group WKP | £677m | Activist campaign | Holding(s) in Company | |
| 18 Dec | Gunsynd GUN | £1.7m | Investee Company update Richmond Hill Resources
Richmond Hill has entered into a binding term sheet (the "Term Sheet") which it is proposed that the Company will enter into a sale and purchase agreement (the "Agreement") with respect to the Martello Gold Project, consisting of certain licences over … |
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| 18 Dec | Serval Resources Plc SRVL | £8.5m | Issue of Unsecured Bridge Convertible Loan Notes
Issue of Unsecured Bridge Convertible Loan Notes raises US$400,000 |
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| 18 Dec | Moh Nippon MOH | £85m | Results | Half-year Results
Unaudited Interim Report for the six months ended 30 September 2025 |
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| 18 Dec | Frontier IP Group FIPP | £13m | Dekiln benefits from £3 million funding
Portfolio news - Dekiln benefits from £3 million funding from the Royal Academy of Engineering to scale up to industrial production |
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| 18 Dec | Neo Energy Metals NEO | £17m | New Broker Research Note
Neo Energy Metals plc / LSE: NEO, A2X: NEO / Market: Main Market of the London Stock Exchange |
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| 18 Dec | Alien Metals Limited UFO | £8.3m | Assay Update at Elizabeth Hill
Geological Indicators for Silver in Aircore Drilling: Assay Update |
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| 18 Dec | Time Out Group TMO | £37m | Fundraise | Retail Offer
· Time Out announces a conditional retail offer of new Ordinary Shares via RetailBook; |
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| 18 Dec | Time Out Group TMO | £37m | Fundraise | Firm Placing, Conditional Placing and Retail Offer
Time Out Group plc (AIM: TMO), the global media and hospitality business, today announces its intention to raise approximately £8.0 million (before fees and expenses) by way of a Firm Placing, a Conditional Placing and a Retail Offer at an issue price of 8.0 … |
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| 18 Dec | Richmond Hill Resources PLC RHR | £8.1m | Term sheet for high grade gold project in Canada
Richmond Hill Resources announces that it has entered into a binding term sheet (the “Term Sheet”) with Olerud Limited (the "Vendor") which sets out the indicative commercial terms pursuant to which it is proposed that the Company will enter into a sale and … |
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| 18 Dec | Pensana PRE | £145m | Major shareholder support for US Strategy
Pensana Plc is pleased to provide an update on the continued support by its two largest shareholders, the Angolan Sovereign Wealth Fund ("FSDEA") and M&G Investments ("M&G"). |
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| 18 Dec | Avacta Group AVCT | £293m | Avacta reports new AVA6103 pharmacology data
Avacta reports new pharmacology data for FAP-Exd (AVA6103) |
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| 18 Dec | Abingdon Health ABDX | £23m | European patent for AppDx® smartphone reader
European patent for AppDx® lateral flow smartphone reader |
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| 18 Dec | TheraCryf Plc TCF | £3.8m | Potential of Preclinical Program in Mental Fatigue
· Chronic fatigue treatment market worth US$1.2 billion in 2024, rising to c.US$2.3bn by 20331 |
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| 18 Dec | Poolbeg Pharma POLB | £44m | Letter to Shareholders – 2025 a year of progress
Letter to Shareholders - 2025 a year of great progress, with momentum maintained into 2026 when multiple value inflection points are expected |
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| 18 Dec | Active Energy Group AEG | £4.9m | Progress Update: CoalSwitch® Commercial Deployment
Progress Update: CoalSwitch® Commercial Deployment and Polish Municipal CHP Engagement ICE |
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| 18 Dec | Tekmar Group TGP | £16m | Second €8m Offshore Wind Contract Award
Tekmar Group plc (AIM: TGP), a leading provider of asset protection technology and offshore energy services, is pleased to announce that it has secured a significant contract award in excess of €8 million with an existing Engineering, Procurement and … |
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| 18 Dec | Cornish Metals PLC TIN | £128m | Project milestones | Admission To Aim And First Day Of Dealings
Cornish Metals plc (AIM: TIN) ("Cornish Metals" or the "Company"), a mineral exploration and development company focused on advancing its wholly owned and permitted South Crofty tin project in Cornwall, United Kingdom, is pleased to announce that, further to … |
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| 18 Dec | Ilika IKA | £44m | Initial Stereax M300 Shipments
These initial deliveries will be allocated to the 21 customers which form Ilika's existing order book, many of whom have previously received Stereax batteries for evaluation from the Company's UK pilot line. |
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| 18 Dec | SkinBioTherapeutics SBTX | £16m | Reconfirmation of Market Guidance and AGM Q&A
Reconfirmation of Market Guidance and AGM Shareholder Information |
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| 18 Dec | Genedrive GDR | £17m | Scotland NHS “test of change” pilot programme
genedrive plc (AIM: GDR), the point of care pharmacogenetic testing company, announces that Genedrive's CYP2C19 ID Kit has been implemented into Scottish NHS Grampian (Dr. |
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| 18 Dec | ECO Animal Health Group EAH | £63m | Exercise of Share Options by Director
ECO Animal Health Group plc (AIM: EAH), a rapidly growing global animal health company with a portfolio of marketed veterinary products and a maturing proprietary R&D pipeline, announces that Christopher Wilks, Chief Financial Officer, has exercised 4,309 … |
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| 18 Dec | Evoke EVOK | £189m | Notice of FY 2025 Trading Update | ||
| 18 Dec | ATOME Energy ATOM | £16m | Proposed Villeta equity partners club confirmed
ATOME announces the successful constitution of its proposed equity partners club for the $630m Villeta Project |
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| 18 Dec | Clean Power Hydrogen CPH2 | £11m | Project milestones | Significant Milestones Delivered
596/2014 which is part of UK law by virtue of the European Union (withdrawal) Act 2018. |
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| 18 Dec | Time Out Group TMO | £37m | Results | Preliminary results & announcement of £8m placing
Preliminary results for the twelve months ended 30 June 2025 |
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| 18 Dec | PureTech Health PRTC | £279m | Board change | PureTech Appoints Robert Lyne as CEO
PureTech Appoints Robert Lyne as Chief Executive Officer |
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| 18 Dec | Sosandar SOS | £22m | Restructuring of executive share incentives
Sosandar, the women's fashion brand, creating quality, trend-led products for women of all ages, announces that it has restructured an element of its share incentive scheme. |
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| 18 Dec | Thor Energy THR | £5.7m | Project milestones | HY-Range Seismic, Geochemistry & Portfolio Update
Thor Energy PLC ("Thor" or "the Company") (AIM, ASX: THR, OTCQB: THORF), well-funded specialists in Hydrogen and Helium exploration, is pleased to provide a comprehensive update on current and planned exploration activities at its flagship HY-Range Project … |
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| 18 Dec | Robert Walters RWA | £89m | Board change | Appointment of Non-Executive Director
Robert Walters plc ("the Company"), the global talent solutions business, announces that Tanith Dodge, having served nine years as an independent Non-Executive Director, will be retiring from the Board at the 2026 AGM. |
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| 18 Dec | Duke Royalty Limited DUKE | £133m | Interim Dividend and Dividend Declaration
Duke Capital Limited (AIM: DUKE), a leading provider of hybrid capital solutions for SME business owners in Europe and North America, is pleased to announce that the Board has approved an interim dividend of 0.70 pence (sterling) per share in respect of the … |
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| 18 Dec | Hvivo HVO | £40m | Board change | Appointment of Non-Executive Director
hVIVO strengthens Board with appointment of Richard Cotton as |
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| 18 Dec | Workspace Group WKP | £677m | Turnaround plan with targets | Workspace Appoints CFO Designate
Workspace Group PLC ('Workspace'), London's leading owner and operator of sustainable, flexible workspace today announces the appointment of Tom Edwards-Moss as its CFO Designate. |
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| 18 Dec | EDX Medical Group Plc EDX | £38m | Commercial launch of bowel cancer testing service
The BC95 service, which will be available within the next few weeks, increases the accuracy of testing and includes an assessment of the patient's hereditary risk of bowel cancer. |
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| 18 Dec | Great Southern Copper GSCU | £14m | Ground Magnetics Survey Commences at Viuda
Ground Magnetics Survey Commences at Viuda Gold Prospect |
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| 18 Dec | Eden Research EDEN | £20m | Appointment of Syngenta as Distribution Partner
Eden Research plc (AIM: EDEN), a leader in sustainable biopesticide and biocontrol technology, is pleased to announce the appointment of Syngenta Crop Protection AG ("Syngenta") as the Company's exclusive distribution partner for professional uses in indoor … |
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| 18 Dec | FRP Advisory Group FRP | £305m | Results | Half-year Results
For the six months ended 31 October 2025 |
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| 18 Dec | Blencowe Resources BRES | £31m | Project milestones | Further Strong Deep-Hole Results at Iyan
Further Strong Deep-Hole Results at Iyan Confirm Major New Deposit at Orom-Cross |
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| 18 Dec | First Tin 1SN | £73m | Project milestones | Results from Taronga Tin Drilling Programme
First Tin PLC - Final Assay Results from Taronga Tin Project Drilling Programme |
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| 18 Dec | Ukrproduct Group Ltd UKR | £3.1m | Trading update | Trading Update
("Ukrproduct", the "Company" or, together with its subsidiaries, the "Group") |
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| 18 Dec | Bluebird Merchant Ventures BMV | £1.2m | Dilutive fundraise | Capital Reorganisation and Proposed Fundraise
Bluebird Mining Ventures (LSE: BMV), the gold streaming and treasury company, is pleased to announce a proposed equity fundraise to raise £627,450 through a placing and subscription (the "Fundraise"). |
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| 18 Dec | ITM Power ITM | £635m | 12.5MW contract with Octopus Energy Generation
ITM Power is delighted to announce the signing of a contract with a project managed by Octopus Energy Generation to deploy its NEPTUNE V containerised green hydrogen systems at Kimberly-Clark's Northfleet manufacturing plant in Gravesend, Kent. |
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| 18 Dec | Surgical Innovations Group SUN | £3.7m | Trading update | Trading Update
Surgical Innovations Group plc (AIM: SUN), the designer, manufacturer and distributor of innovative medical technology for minimally invasive surgery, provides the following update on trading ahead of its year ended 31 December 2025. |
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| 18 Dec | Arrow Exploration Corp. (Cdi) AXL | £106m | Results | Appraisal Well M-HZ7 Results
CALGARY, December 18, 2025 - Arrow Exploration Corp. |
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| 18 Dec | Naked Wines WINE | £40m | Trading update | Trading Statement
EBITDA* expected to be towards top end of guidance |
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| 18 Dec | Capital Metals CMET | £19m | Results | Half-year Results
Unaudited Interim Results for the Six-Month Period Ended 30 September 2025 |
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| 18 Dec | Currys CURY | £1,543m | Capital return | Performance continues to strengthen
Unaudited Results for the Half Year Ended 1 November 2025 |
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| 18 Dec | Nexteq NXQ | £23m | Upgrade / downgrade cycle | Trading Update
Nexteq PLC, a leading technology solutions provider to customers in selected industrial markets, today provides an update on trading for the year ending 31 December 2025 ("FY25") and outlook. |
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| 18 Dec | Synthomer SYNT | £189m | Receivables purchasing arrangement
Synthomer plc ('Synthomer' or the 'Company') today announces that it has entered into a trade receivables purchasing arrangement with Rainbow State Limited, a subsidiary of its largest shareholder Kuala Lumpur Kepong Berhad Group ('KLK'). |
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| 18 Dec | Aminex (CDI) AEX | £83m | Project milestones | Ntorya Operations Update
Aminex, the oil and gas exploration and development company focused on Tanzania, is pleased to announce the following: |
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| 18 Dec | ECR Minerals ECR | £6.0m | Sale and Purchase agreement for Raglan Project
ECR Minerals plc (AIM: ECR), the gold exploration and development company focused on Australia, is pleased to announce that, further to the Company's previous announcements, it has entered into a legally binding sale and purchase agreement to acquire Raglan … |
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| 18 Dec | GSTechnologies GST | £7.4m | Results | Half-year Results
("GST" or the "Company", or, together with its subsidiaries, the "Group") |
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| 18 Dec | Big Yellow Group BYG | £1,768m | Planning Update
Big Yellow announces that it has obtained planning consent for a 58,000 sq ft storage centre on its site in Leicester. |
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| 18 Dec | Chesterfield Special Cylinders Holdings plc CSC | £14m | Upgrade / downgrade cycle | 2025 Final Results
Chesterfield Special Cylinders Holdings plc (AIM: CSC) is pleased to announce its audited results for the 52 weeks to 27 September 2025 ("FY25"). |
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| 18 Dec | Kropz KRPZ | £7.0m | Project milestones | Unaudited Results for Six Months end 30 Sept 2025
Kropz plc ("Kropz", the "Company") and its subsidiaries (the "Group") |
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| 18 Dec | BlackBird BIRD | £17m | Fundraise | Subscription to raise £500,000
Blackbird plc (AIM: BIRD), the developer of the browser-based collaborative video editor elevate.io, announces a subscription for 22,222,222 new ordinary shares of 0.8 pence each (the "Subscription Shares") at a price of 2.25 pence per Subscription Share (the … |
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| 18 Dec | Harena Resources plc HREE | £19m | Operational Update
Harena Rare Earths Plc (LSE: HREE) (OTCQB: CRMNF), the rare earths company focused on the Ampasindava ionic clay rare earth project in Madagascar (the "Ampasindava Project"), is pleased to provide an operational update regarding the Company's engagement with … |
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| 18 Dec | Feedback FDBK | £2.8m | Trading update | Trading Update
Feedback plc (AIM: FDBK, "Feedback" or the "Company"), the clinical infrastructure specialist, provides a trading update for the six months to 30 November 2025 (the "Period"). |
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| 18 Dec | Beacon Rise Holdings BRS | £3.0m | Board change | Appointment of Chief Operating Officer
The board of directors (the "Board") of Beacon Rise Holdings Plc (the "Company") is pleased to announce that Mr Jonathan Shrewsbury has been appointed as Chief Operating Officer ("COO") of the Company with effect from 15 December 2025. |
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| 18 Dec | First Development Resources Plc FDR | £2.2m | Selta Project –exploration update
First Development Resources plc (AIM: FDR), the UK-based, Australia-focused exploration company with mineral interests in Western Australia and the Northern Territory, is pleased to provide an update on its gold ("Au") focussed exploration at the Selta … |
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| 18 Dec | Potentially AI Plc AGI | £15m | Development of Tiger Alpha Subnet
Tiger Alpha plc, the investment vehicle focused on incubating technology and mining projects, is pleased to provide an update on its 100%-owned Bittensor subnet, Tiger Alpha, acquired in May 2025 for 200 TAO, to be re-named the Knowledge Delivery Network … |
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| 18 Dec | Cornish Metals PLC TIN | £128m | Cancellation - Cornish Metals Inc. |