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
181 Caledonia Investments plc $2.66 B United Kingdom UK Financials UK Asset Management
182 Murray International Trust plc $2.65 B United Kingdom UK Financials UK Asset Management
183 Derwent London plc $2.62 B United Kingdom UK Real Estate UK REIT—Office
184 Myovant Sciences Ltd. $2.61 B

(Jan. 1, 2023)

 United Kingdom UK Healthcare UK Biotechnology
185 Genius Sports Ltd $2.57 B United Kingdom UK Communication Services UK Internet Content & Information
186 Atlantica Sustainable Infrastructure plc $2.55 B

(July 1, 2024)

 United Kingdom UK Utilities UK Utilities—Renewable
187 JPMorgan American Investment Trust plc $2.54 B United Kingdom UK Financials UK Asset Management
188 TP ICAP plc $2.54 B United Kingdom UK Financials UK Capital Markets
189 Great Portland Estates plc $2.54 B

(Feb. 1, 2022)

 United Kingdom UK Real Estate UK REIT—Office
190 AJ Bell plc $2.38 B United Kingdom UK Financials UK Capital Markets
191 Mercantile Investment Trust (The) plc $2.36 B United Kingdom UK Financials UK Asset Management
192 LXI REIT $2.36 B

(Jan. 1, 2024)

 United Kingdom UK Real Estate UK REIT—Diversified
193 Hammerson plc $2.32 B United Kingdom UK Real Estate UK REIT—Retail
194 Hill & Smith Holdings plc $2.30 B United Kingdom UK Industrials UK Engineering & Construction
195 Greggs plc $2.30 B United Kingdom UK Consumer Staples UK Grocery Stores
196 Helios Towers plc $2.30 B United Kingdom UK Communication Services UK Telecom Services
197 Vivo Energy plc $2.29 B

(July 1, 2022)

 United Kingdom UK Energy UK Oil & Gas Refining & Marketing
198 Genus plc $2.27 B United Kingdom UK Healthcare UK Biotechnology
199 Personal Assets Trust $2.27 B United Kingdom UK Financials UK Asset Management
200 Smithson Investment Trust plc $2.25 B United Kingdom UK Financials UK Asset Management
201 Energean plc $2.24 B United Kingdom UK Energy UK Oil & Gas E&P
202 Goodwin plc $2.24 B United Kingdom UK Industrials UK Specialty Industrial Machinery
203 Assura plc $2.23 B

(July 1, 2025)

 United Kingdom UK Real Estate UK REIT—Healthcare Facilities
204 The Renewables Infrastructure Group Limited $2.23 B United Kingdom UK Financials UK Asset Management
205 Pantheon International plc $2.22 B United Kingdom UK Financials UK Asset Management
206 SSP Group plc $2.21 B United Kingdom UK Consumer Discretionary UK Restaurants
207 Tate & Lyle plc $2.19 B United Kingdom UK Consumer Staples UK Packaged Foods
208 Paragon Banking Group plc $2.19 B United Kingdom UK Financials UK Mortgage Finance
209 Dixons Carphone plc $2.18 B

(Sept. 1, 2021)

 United Kingdom UK Consumer Discretionary UK Specialty Retail
210 Clarivate Plc $2.18 B United Kingdom UK Technology UK Information Technology Services

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

181. Caledonia Investments plc

Company Profile: Caledonia Investments plc
Market Cap (USD): $2.66 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

182. Murray International Trust plc

Company Profile: Murray International Trust plc
Market Cap (USD): $2.65 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

183. Derwent London plc

Company Profile: Derwent London plc
Market Cap (USD): $2.62 B
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Office

184. Myovant Sciences Ltd.

Company Profile: Myovant Sciences Ltd.
Market Cap (USD): $2.61 B (Jan. 1, 2023)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

185. Genius Sports Ltd

Company Profile: Genius Sports Ltd
Market Cap (USD): $2.57 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Internet Content & Information

186. Atlantica Sustainable Infrastructure plc

Company Profile: Atlantica Sustainable Infrastructure plc
Market Cap (USD): $2.55 B (July 1, 2024)
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Renewable

187. JPMorgan American Investment Trust plc

Company Profile: JPMorgan American Investment Trust plc
Market Cap (USD): $2.54 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

188. TP ICAP plc

Company Profile: TP ICAP plc
Market Cap (USD): $2.54 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

189. Great Portland Estates plc

Company Profile: Great Portland Estates plc
Market Cap (USD): $2.54 B (Feb. 1, 2022)
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Office

190. AJ Bell plc

Company Profile: AJ Bell plc
Market Cap (USD): $2.38 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

191. Mercantile Investment Trust (The) plc

Company Profile: Mercantile Investment Trust (The) plc
Market Cap (USD): $2.36 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

192. LXI REIT

Company Profile: LXI REIT
Market Cap (USD): $2.36 B (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Diversified

193. Hammerson plc

Company Profile: Hammerson plc
Market Cap (USD): $2.32 B
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Retail

194. Hill & Smith Holdings plc

Company Profile: Hill & Smith Holdings plc
Market Cap (USD): $2.30 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

195. Greggs plc

Company Profile: Greggs plc
Market Cap (USD): $2.30 B
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Grocery Stores

196. Helios Towers plc

Company Profile: Helios Towers plc
Market Cap (USD): $2.30 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

197. Vivo Energy plc

Company Profile: Vivo Energy plc
Market Cap (USD): $2.29 B (July 1, 2022)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Refining & Marketing

198. Genus plc

Company Profile: Genus plc
Market Cap (USD): $2.27 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

199. Personal Assets Trust

Company Profile: Personal Assets Trust
Market Cap (USD): $2.27 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

200. Smithson Investment Trust plc

Company Profile: Smithson Investment Trust plc
Market Cap (USD): $2.25 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

201. Energean plc

Company Profile: Energean plc
Market Cap (USD): $2.24 B
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

202. Goodwin plc

Company Profile: Goodwin plc
Market Cap (USD): $2.24 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

203. Assura plc

Company Profile: Assura plc
Market Cap (USD): $2.23 B (July 1, 2025)
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Healthcare Facilities

204. The Renewables Infrastructure Group Limited

Company Profile: The Renewables Infrastructure Group Limited
Market Cap (USD): $2.23 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

205. Pantheon International plc

Company Profile: Pantheon International plc
Market Cap (USD): $2.22 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

206. SSP Group plc

Company Profile: SSP Group plc
Market Cap (USD): $2.21 B
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

207. Tate & Lyle plc

Company Profile: Tate & Lyle plc
Market Cap (USD): $2.19 B
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Packaged Foods

208. Paragon Banking Group plc

Company Profile: Paragon Banking Group plc
Market Cap (USD): $2.19 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Mortgage Finance

209. Dixons Carphone plc

Company Profile: Dixons Carphone plc
Market Cap (USD): $2.18 B (Sept. 1, 2021)
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Specialty Retail

210. Clarivate Plc

Company Profile: Clarivate Plc
Market Cap (USD): $2.18 B
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

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