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 Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
271 Spirent Communications plc $1.53 B United Kingdom UK Technology UK Software—Infrastructure
272 GlobalData plc $1.52 B United Kingdom UK Industrials UK Consulting Services
273 Yellow Cake plc $1.52 B United Kingdom UK Energy UK Uranium
274 Biffa plc $1.50 B

(Jan. 1, 2023)

 United Kingdom UK Industrials UK Waste Management
275 EVRAZ plc $1.49 B

(July 1, 2024)

 United Kingdom UK Basic Materials UK Steel
276 Bodycote plc $1.48 B United Kingdom UK Industrials UK Specialty Industrial Machinery
277 IntegraFin Holdings plc $1.45 B United Kingdom UK Financials UK Asset Management
278 Ashmore Group plc $1.44 B United Kingdom UK Financials UK Asset Management
279 Diversey Holdings Ltd $1.44 B

(Jan. 1, 2023)

 United Kingdom UK Consumer Discretionary UK Personal Services
280 TR Property Investment Trust $1.44 B United Kingdom UK Financials UK Asset Management
281 Supermarket Income REIT plc $1.43 B United Kingdom UK Real Estate UK REIT—Retail
282 Gamma Communications plc $1.43 B United Kingdom UK Communication Services UK Telecom Services
283 Genesis Emerging Markets Fund $1.43 B

(Oct. 1, 2021)

 United Kingdom UK Financials UK Asset Management
284 JPMorgan Japanese Investment Trust plc $1.43 B United Kingdom UK Financials UK Asset Management
285 4imprint Group plc $1.42 B United Kingdom UK Communication Services UK Advertising Agencies
286 Avi Global Trust plc $1.40 B United Kingdom UK Financials UK Asset Management
287 BlackRock World Mining Trust plc $1.39 B United Kingdom UK Financials UK Asset Management
288 Clarkson plc $1.38 B United Kingdom UK Industrials UK Marine Shipping
289 Domino's Pizza Group plc $1.38 B United Kingdom UK Consumer Discretionary UK Restaurants
290 Keller Group plc $1.37 B United Kingdom UK Industrials UK Engineering & Construction
291 Vectura Group plc $1.36 B

(Oct. 1, 2021)

 United Kingdom UK Healthcare UK Drug Manufacturers—General
292 Elementis plc $1.34 B United Kingdom UK Basic Materials UK Specialty Chemicals
293 Vesuvius plc $1.32 B United Kingdom UK Basic Materials UK Steel
294 Countryside Properties plc $1.31 B

(Nov. 1, 2022)

 United Kingdom UK Consumer Discretionary UK Residential Construction
295 Adriatic Metals plc $1.30 B United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
296 GCP Student Living plc $1.29 B

(Dec. 1, 2021)

 United Kingdom UK Financials UK Asset Management
297 Atrium European Real Estate Ltd $1.29 B

(July 1, 2024)

 United Kingdom UK Real Estate UK Real Estate Services
298 Ideagen plc $1.27 B

(July 1, 2022)

 United Kingdom UK Technology UK Software—Application
299 Spire Healthcare Group plc $1.26 B United Kingdom UK Healthcare UK Medical Care Facilities
300 Temple Bar Investment Trust plc $1.26 B United Kingdom UK Financials UK Asset Management

Top Companies from the United Kingdom as of Jul. 01, 2025

271. Spirent Communications plc

Company Profile: Spirent Communications plc
Market Cap (USD): $1.53 B
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

272. GlobalData plc

Company Profile: GlobalData plc
Market Cap (USD): $1.52 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Consulting Services

273. Yellow Cake plc

Company Profile: Yellow Cake plc
Market Cap (USD): $1.52 B
Country: United Kingdom
Sector: UK Energy
Industry: UK Uranium

274. Biffa plc

Company Profile: Biffa plc
Market Cap (USD): $1.50 B (Jan. 1, 2023)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Waste Management

275. EVRAZ plc

Company Profile: EVRAZ plc
Market Cap (USD): $1.49 B (July 1, 2024)
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Steel

276. Bodycote plc

Company Profile: Bodycote plc
Market Cap (USD): $1.48 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

277. IntegraFin Holdings plc

Company Profile: IntegraFin Holdings plc
Market Cap (USD): $1.45 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

278. Ashmore Group plc

Company Profile: Ashmore Group plc
Market Cap (USD): $1.44 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

279. Diversey Holdings Ltd

Company Profile: Diversey Holdings Ltd
Market Cap (USD): $1.44 B (Jan. 1, 2023)
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Personal Services

280. TR Property Investment Trust

Company Profile: TR Property Investment Trust
Market Cap (USD): $1.44 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

281. Supermarket Income REIT plc

Company Profile: Supermarket Income REIT plc
Market Cap (USD): $1.43 B
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Retail

282. Gamma Communications plc

Company Profile: Gamma Communications plc
Market Cap (USD): $1.43 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

283. Genesis Emerging Markets Fund

Company Profile: Genesis Emerging Markets Fund
Market Cap (USD): $1.43 B (Oct. 1, 2021)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

284. JPMorgan Japanese Investment Trust plc

Company Profile: JPMorgan Japanese Investment Trust plc
Market Cap (USD): $1.43 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

285. 4imprint Group plc

Company Profile: 4imprint Group plc
Market Cap (USD): $1.42 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

286. Avi Global Trust plc

Company Profile: Avi Global Trust plc
Market Cap (USD): $1.40 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

287. BlackRock World Mining Trust plc

Company Profile: BlackRock World Mining Trust plc
Market Cap (USD): $1.39 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

288. Clarkson plc

Company Profile: Clarkson plc
Market Cap (USD): $1.38 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Marine Shipping

289. Domino's Pizza Group plc

Company Profile: Domino's Pizza Group plc
Market Cap (USD): $1.38 B
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

290. Keller Group plc

Company Profile: Keller Group plc
Market Cap (USD): $1.37 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

291. Vectura Group plc

Company Profile: Vectura Group plc
Market Cap (USD): $1.36 B (Oct. 1, 2021)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—General

292. Elementis plc

Company Profile: Elementis plc
Market Cap (USD): $1.34 B
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Specialty Chemicals

293. Vesuvius plc

Company Profile: Vesuvius plc
Market Cap (USD): $1.32 B
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Steel

294. Countryside Properties plc

Company Profile: Countryside Properties plc
Market Cap (USD): $1.31 B (Nov. 1, 2022)
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Residential Construction

295. Adriatic Metals plc

Company Profile: Adriatic Metals plc
Market Cap (USD): $1.30 B
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

296. GCP Student Living plc

Company Profile: GCP Student Living plc
Market Cap (USD): $1.29 B (Dec. 1, 2021)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

297. Atrium European Real Estate Ltd

Company Profile: Atrium European Real Estate Ltd
Market Cap (USD): $1.29 B (July 1, 2024)
Country: United Kingdom
Sector: UK Real Estate
Industry: UK Real Estate Services

298. Ideagen plc

Company Profile: Ideagen plc
Market Cap (USD): $1.27 B (July 1, 2022)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

299. Spire Healthcare Group plc

Company Profile: Spire Healthcare Group plc
Market Cap (USD): $1.26 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Care Facilities

300. Temple Bar Investment Trust plc

Company Profile: Temple Bar Investment Trust plc
Market Cap (USD): $1.26 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

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