United Kingdom

Top 1000 largest UK Companies by Market Cap

This is the list of the largest public listed companies from the United Kingdom by market capitalization with links to their reference stock, sector and industry.

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Top Companies from the United Kingdom as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
331 Baillie Gifford US Growth Trust plc $1.07 B United Kingdom UK Financials UK Asset Management
332 Close Brothers Group plc $1.07 B United Kingdom UK Financials UK Capital Markets
333 Oxford Biomedica plc $1.06 B United Kingdom UK Healthcare UK Biotechnology
334 JD Wetherspoon plc $1.05 B United Kingdom UK Consumer Discretionary UK Restaurants
335 Schroder Oriental Income Fund Limited $1.05 B United Kingdom UK Financials UK Asset Management
336 Playtech plc $1.04 B United Kingdom UK Consumer Discretionary UK Gambling
337 Impax Environmental Markets Trust plc $1.03 B United Kingdom UK Financials UK Asset Management
338 Volex plc $1.02 B United Kingdom UK Industrials UK Electrical Equipment & Parts
339 Aberdeen Total Dynamic Dividend Fund $1.02 B United Kingdom UK Financials UK Asset Management
340 Workspace Group plc $1.02 B United Kingdom UK Real Estate UK REIT—Office
341 Stock Spirits Group plc $1.02 B

(Nov. 1, 2021)

 United Kingdom UK Consumer Staples UK Beverages—Wineries & Distilleries
342 President Energy plc $1.00 B

(Jan. 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
343 RAK Petroleum plc $999.9 M

(Oct. 1, 2022)

 United Kingdom UK Energy UK Oil & Gas E&P
344 Edinburgh Worldwide Investment Trust plc $995.1 M United Kingdom UK Financials UK Asset Management
345 PageGroup plc $989.8 M United Kingdom UK Industrials UK Staffing & Employment Services
346 Standard Life Private Equity Trust plc $978.7 M

(June 1, 2022)

 United Kingdom UK Financials UK Asset Management
347 CareTech Holdings plc $978.5 M

(Sept. 1, 2022)

 United Kingdom UK Healthcare UK Medical Care Facilities
348 Dr. Martens plc $970.2 M United Kingdom UK Consumer Discretionary UK Footwear & Accessories
349 Standard Life Uk Smaller Companies Trust plc $966.0 M

(Oct. 1, 2021)

 United Kingdom UK Financials UK Asset Management
350 Learning Technologies Group plc $961.5 M

(Jan. 1, 2025)

 United Kingdom UK Consumer Staples UK Education & Training Services
351 THG plc $948.2 M United Kingdom UK Consumer Discretionary UK Specialty Retail
352 Renew Holdings plc $945.8 M United Kingdom UK Industrials UK Engineering & Construction
353 Serica Energy plc $937.6 M United Kingdom UK Energy UK Oil & Gas E&P
354 XPS Pensions Group plc $934.2 M United Kingdom UK Consumer Discretionary UK Personal Services
355 Chesnara plc $930.3 M United Kingdom UK Financials UK Insurance—Life
356 A.G. BARR plc $928.2 M United Kingdom UK Consumer Staples UK Beverages—Non-Alcoholic
357 JPMorgan Indian Investment Trust plc $926.6 M United Kingdom UK Financials UK Asset Management
358 Ascential plc $923.9 M

(July 1, 2024)

 United Kingdom UK Communication Services UK Advertising Agencies
359 Baillie Gifford Japan Trust plc $920.2 M United Kingdom UK Financials UK Asset Management
360 MAS Real Estate, Inc. $915.9 M United Kingdom UK Real Estate UK Real Estate—Diversified

Top Companies from the United Kingdom as of Jan. 01, 2026

331. Baillie Gifford US Growth Trust plc

Company Profile: Baillie Gifford US Growth Trust plc
Market Cap (USD): $1.07 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

332. Close Brothers Group plc

Company Profile: Close Brothers Group plc
Market Cap (USD): $1.07 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

333. Oxford Biomedica plc

Company Profile: Oxford Biomedica plc
Market Cap (USD): $1.06 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

334. JD Wetherspoon plc

Company Profile: JD Wetherspoon plc
Market Cap (USD): $1.05 B
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

335. Schroder Oriental Income Fund Limited

Company Profile: Schroder Oriental Income Fund Limited
Market Cap (USD): $1.05 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

336. Playtech plc

Company Profile: Playtech plc
Market Cap (USD): $1.04 B
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Gambling

337. Impax Environmental Markets Trust plc

Company Profile: Impax Environmental Markets Trust plc
Market Cap (USD): $1.03 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

338. Volex plc

Company Profile: Volex plc
Market Cap (USD): $1.02 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

339. Aberdeen Total Dynamic Dividend Fund

Company Profile: Aberdeen Total Dynamic Dividend Fund
Market Cap (USD): $1.02 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

340. Workspace Group plc

Company Profile: Workspace Group plc
Market Cap (USD): $1.02 B
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Office

341. Stock Spirits Group plc

Company Profile: Stock Spirits Group plc
Market Cap (USD): $1.02 B (Nov. 1, 2021)
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Beverages—Wineries & Distilleries

342. President Energy plc

Company Profile: President Energy plc
Market Cap (USD): $1.00 B (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

343. RAK Petroleum plc

Company Profile: RAK Petroleum plc
Market Cap (USD): $999.9 M (Oct. 1, 2022)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

344. Edinburgh Worldwide Investment Trust plc

Company Profile: Edinburgh Worldwide Investment Trust plc
Market Cap (USD): $995.1 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

345. PageGroup plc

Company Profile: PageGroup plc
Market Cap (USD): $989.8 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Staffing & Employment Services

346. Standard Life Private Equity Trust plc

Company Profile: Standard Life Private Equity Trust plc
Market Cap (USD): $978.7 M (June 1, 2022)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

347. CareTech Holdings plc

Company Profile: CareTech Holdings plc
Market Cap (USD): $978.5 M (Sept. 1, 2022)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Care Facilities

348. Dr. Martens plc

Company Profile: Dr. Martens plc
Market Cap (USD): $970.2 M
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Footwear & Accessories

349. Standard Life Uk Smaller Companies Trust plc

Company Profile: Standard Life Uk Smaller Companies Trust plc
Market Cap (USD): $966.0 M (Oct. 1, 2021)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

350. Learning Technologies Group plc

Company Profile: Learning Technologies Group plc
Market Cap (USD): $961.5 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Education & Training Services

351. THG plc

Company Profile: THG plc
Market Cap (USD): $948.2 M
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Specialty Retail

352. Renew Holdings plc

Company Profile: Renew Holdings plc
Market Cap (USD): $945.8 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

353. Serica Energy plc

Company Profile: Serica Energy plc
Market Cap (USD): $937.6 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

354. XPS Pensions Group plc

Company Profile: XPS Pensions Group plc
Market Cap (USD): $934.2 M
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Personal Services

355. Chesnara plc

Company Profile: Chesnara plc
Market Cap (USD): $930.3 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Insurance—Life

356. A.G. BARR plc

Company Profile: A.G. BARR plc
Market Cap (USD): $928.2 M
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Beverages—Non-Alcoholic

357. JPMorgan Indian Investment Trust plc

Company Profile: JPMorgan Indian Investment Trust plc
Market Cap (USD): $926.6 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

358. Ascential plc

Company Profile: Ascential plc
Market Cap (USD): $923.9 M (July 1, 2024)
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

359. Baillie Gifford Japan Trust plc

Company Profile: Baillie Gifford Japan Trust plc
Market Cap (USD): $920.2 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

360. MAS Real Estate, Inc.

Company Profile: MAS Real Estate, Inc.
Market Cap (USD): $915.9 M
Country: United Kingdom
Sector: UK Real Estate
Industry: UK Real Estate—Diversified

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