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Top FTSE AIM All-Share Companies by Market Cap and Stocks in 2025

This is the list of the largest public listed companies in the FTSE AIM All-Share index ranked by market capitalization, together with links to their reference stock, sector and industry.

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Top FTSE AIM All-Share Companies Ranking by Market Cap as of Jan. 1, 2025

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Ranking Company Stock Market Cap (USD) Country Sector Industry
331 Velocity Composites plc VEL wb_incandescent $21.3 M United Kingdom UK Industrials UK Aerospace & Defense
332 Totally plc TLY wb_incandescent $21.0 M United Kingdom UK Healthcare UK Medical Care Facilities
333 Sosandar plc SOS wb_incandescent $20.9 M United Kingdom UK Consumer Discretionary UK Internet Retail
334 Lexington Gold Ltd LEX wb_incandescent $20.8 M Bermuda Bermuda Basic Materials Bermuda Gold
335 Manx Financial Group plc MFX wb_incandescent $20.7 M United Kingdom UK Financials UK Banks—Regional
336 eEnergy Group plc EAAS wb_incandescent $20.5 M United Kingdom UK Industrials UK Electrical Equipment & Parts
337 Arcontech Group plc ARC wb_incandescent $20.1 M United Kingdom UK Technology UK Software—Application
338 SIMEC Atlantis Energy Limited SAE wb_incandescent $19.7 M United Kingdom UK Utilities UK Utilities—Independent Power Producers
339 Kazera Global plc KZG wb_incandescent $19.7 M United Kingdom UK Financials UK Asset Management
340 Proteome Sciences plc PRM wb_incandescent $19.7 M United Kingdom UK Healthcare UK Diagnostics & Research
341 Safestay plc SSTY wb_incandescent $19.2 M United Kingdom UK Consumer Discretionary UK Lodging
342 Vector Capital plc VCAP wb_incandescent $19.0 M

(Jan. 1, 2024)

 United Kingdom UK Financials UK Credit Services
343 B90 Holdings plc B90 wb_incandescent $18.8 M United Kingdom UK Consumer Discretionary UK Gambling
344 Abingdon Health plc ABDX wb_incandescent $18.8 M United Kingdom UK Healthcare UK Diagnostics & Research
345 Driver Group plc DRV wb_incandescent $18.6 M

(Jan. 1, 2024)

 United Kingdom UK Industrials UK Consulting Services
346 Panthera Resources plc PAT wb_incandescent $18.3 M United Kingdom UK Basic Materials UK Gold
347 Celsius Resources Limited CLA wb_incandescent $18.2 M Australia Australian Basic Materials Australian Other Industrial Metals & Mining
348 Power Metal Resources plc POW wb_incandescent $18.1 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
349 RTC Group plc RTC wb_incandescent $17.9 M United Kingdom UK Industrials UK Staffing & Employment Services
350 Polarean Imaging plc POLX wb_incandescent $17.9 M United States US Healthcare US Medical Devices
351 Oncimmune Holdings plc ONC wb_incandescent $17.8 M United Kingdom UK Healthcare UK Biotechnology
352 SysGroup plc SYS wb_incandescent $17.7 M United Kingdom UK Technology UK Software—Infrastructure
353 Zinc Media Group plc ZIN wb_incandescent $17.4 M United Kingdom UK Communication Services UK Entertainment
354 Pressure Technologies plc PRES wb_incandescent $17.1 M United Kingdom UK Energy UK Oil & Gas Equipment & Services
355 Provexis plc PXS wb_incandescent $16.9 M United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic
356 Brand Architekts Group plc BAR wb_incandescent $16.5 M United Kingdom UK Consumer Staples UK Household & Personal Products
357 Croma Security Solutions Group plc CSSG wb_incandescent $16.2 M United Kingdom UK Industrials UK Security & Protection Services
358 Empresaria Group plc EMR wb_incandescent $16.1 M United Kingdom UK Industrials UK Staffing & Employment Services
359 Angus Energy plc ANGS wb_incandescent $16.0 M United Kingdom UK Energy UK Oil & Gas E&P
360 Goldplat plc GDP wb_incandescent $15.9 M United Kingdom UK Basic Materials UK Gold

Top FTSE AIM All-Share Companies Ranking by Market Cap as of Jan. 1, 2025

331. Velocity Composites plc

Company Profile: Velocity Composites plc
Market Cap (USD): $21.3 M
Stock: VEL wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

332. Totally plc

Company Profile: Totally plc
Market Cap (USD): $21.0 M
Stock: TLY wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Care Facilities

333. Sosandar plc

Company Profile: Sosandar plc
Market Cap (USD): $20.9 M
Stock: SOS wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Internet Retail

334. Lexington Gold Ltd

Company Profile: Lexington Gold Ltd
Market Cap (USD): $20.8 M
Stock: LEX wb_incandescent
Country: Bermuda
Sector: Bermuda Basic Materials
Industry: Bermuda Gold

335. Manx Financial Group plc

Company Profile: Manx Financial Group plc
Market Cap (USD): $20.7 M
Stock: MFX wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Banks—Regional

336. eEnergy Group plc

Company Profile: eEnergy Group plc
Market Cap (USD): $20.5 M
Stock: EAAS wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

337. Arcontech Group plc

Company Profile: Arcontech Group plc
Market Cap (USD): $20.1 M
Stock: ARC wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

338. SIMEC Atlantis Energy Limited

Company Profile: SIMEC Atlantis Energy Limited
Market Cap (USD): $19.7 M
Stock: SAE wb_incandescent
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Independent Power Producers

339. Kazera Global plc

Company Profile: Kazera Global plc
Market Cap (USD): $19.7 M
Stock: KZG wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

340. Proteome Sciences plc

Company Profile: Proteome Sciences plc
Market Cap (USD): $19.7 M
Stock: PRM wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Diagnostics & Research

341. Safestay plc

Company Profile: Safestay plc
Market Cap (USD): $19.2 M
Stock: SSTY wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Lodging

342. Vector Capital plc

Company Profile: Vector Capital plc
Market Cap (USD): $19.0 M (Jan. 1, 2024)
Stock: VCAP wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Credit Services

343. B90 Holdings plc

Company Profile: B90 Holdings plc
Market Cap (USD): $18.8 M
Stock: B90 wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Gambling

344. Abingdon Health plc

Company Profile: Abingdon Health plc
Market Cap (USD): $18.8 M
Stock: ABDX wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Diagnostics & Research

345. Driver Group plc

Company Profile: Driver Group plc
Market Cap (USD): $18.6 M (Jan. 1, 2024)
Stock: DRV wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Consulting Services

346. Panthera Resources plc

Company Profile: Panthera Resources plc
Market Cap (USD): $18.3 M
Stock: PAT wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

347. Celsius Resources Limited

Company Profile: Celsius Resources Limited
Market Cap (USD): $18.2 M
Stock: CLA wb_incandescent
Country: Australia
Sector: Australian Basic Materials
Industry: Australian Other Industrial Metals & Mining

348. Power Metal Resources plc

Company Profile: Power Metal Resources plc
Market Cap (USD): $18.1 M
Stock: POW wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

349. RTC Group plc

Company Profile: RTC Group plc
Market Cap (USD): $17.9 M
Stock: RTC wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Staffing & Employment Services

350. Polarean Imaging plc

Company Profile: Polarean Imaging plc
Market Cap (USD): $17.9 M
Stock: POLX wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Medical Devices

351. Oncimmune Holdings plc

Company Profile: Oncimmune Holdings plc
Market Cap (USD): $17.8 M
Stock: ONC wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

352. SysGroup plc

Company Profile: SysGroup plc
Market Cap (USD): $17.7 M
Stock: SYS wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

353. Zinc Media Group plc

Company Profile: Zinc Media Group plc
Market Cap (USD): $17.4 M
Stock: ZIN wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Entertainment

354. Pressure Technologies plc

Company Profile: Pressure Technologies plc
Market Cap (USD): $17.1 M
Stock: PRES wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Equipment & Services

355. Provexis plc

Company Profile: Provexis plc
Market Cap (USD): $16.9 M
Stock: PXS wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—Specialty & Generic

356. Brand Architekts Group plc

Company Profile: Brand Architekts Group plc
Market Cap (USD): $16.5 M
Stock: BAR wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Household & Personal Products

357. Croma Security Solutions Group plc

Company Profile: Croma Security Solutions Group plc
Market Cap (USD): $16.2 M
Stock: CSSG wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Security & Protection Services

358. Empresaria Group plc

Company Profile: Empresaria Group plc
Market Cap (USD): $16.1 M
Stock: EMR wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Staffing & Employment Services

359. Angus Energy plc

Company Profile: Angus Energy plc
Market Cap (USD): $16.0 M
Stock: ANGS wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

360. Goldplat plc

Company Profile: Goldplat plc
Market Cap (USD): $15.9 M
Stock: GDP wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

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