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FTSE AIM 100
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Top FTSE AIM 100 Companies by Market Cap and Stocks in 2025

This is the list of the largest public listed companies in the FTSE AIM 100 index ranked by market capitalization, together with links to their reference stock, sector and industry.

FTSE AIM 100 Chart & Analysis

Top FTSE AIM 100 Companies Ranking by Market Cap as of July 1, 2025

Ranking Company Stock Market Cap (USD) Country Sector Industry
61 Numis Corporation plc NUM wb_incandescent $465.4 M

(July 1, 2023)

 United Kingdom UK Financials UK Capital Markets
62 RWS Holdings plc RWS wb_incandescent $456.5 M United Kingdom UK Industrials UK Consulting Services
63 FRP Advisory Group plc FRP wb_incandescent $437.7 M United Kingdom UK Financials UK Capital Markets
64 Telit Communications plc TCM wb_incandescent $435.1 M

(Aug. 1, 2021)

 United Kingdom UK Technology UK Communication Equipment
65 Alliance Pharma plc APH wb_incandescent $413.8 M

(Jan. 1, 2025)

 United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic
66 Central Asia Metals plc CAML wb_incandescent $390.8 M United Kingdom UK Basic Materials UK Copper
67 Brooks Macdonald Group plc BRK wb_incandescent $364.3 M United Kingdom UK Financials UK Asset Management
68 Tremor International Ltd TRMR wb_incandescent $357.8 M

(Jan. 1, 2024)

 Israel Israeli Communication Services Israeli Advertising Agencies
69 Next Fifteen Communications Group plc NFC wb_incandescent $341.9 M United Kingdom UK Communication Services UK Advertising Agencies
70 Impax Asset Management Group plc IPX wb_incandescent $337.4 M United Kingdom UK Financials UK Asset Management
71 dotdigital Group plc DOTD wb_incandescent $313.9 M United Kingdom UK Technology UK Software—Application
72 Midwich Group plc MIDW wb_incandescent $309.4 M United Kingdom UK Technology UK Electronics & Computer Distribution
73 Andrews Sykes Group plc ASY wb_incandescent $306.4 M United Kingdom UK Industrials UK Rental & Leasing Services
74 Ceres Power Holdings plc CWR wb_incandescent $277.6 M United Kingdom UK Industrials UK Electrical Equipment & Parts
75 Benchmark Holdings plc BMK wb_incandescent $252.1 M United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic
76 Knights Group Holdings plc KGH wb_incandescent $236.0 M United Kingdom UK Industrials UK Specialty Business Services
77 Gooch & Housego plc GHH wb_incandescent $227.4 M United Kingdom UK Technology UK Electronic Components
78 Bioventix plc BVXP wb_incandescent $201.1 M United Kingdom UK Healthcare UK Biotechnology
79 Eurasia Mining plc EUA wb_incandescent $186.6 M United Kingdom UK Basic Materials UK Other Precious Metals & Mining
80 Frontier Developments plc FDEV wb_incandescent $175.7 M United Kingdom UK Communication Services UK Electronic Gaming & Multimedia
81 Avacta Group plc AVCT wb_incandescent $172.9 M United Kingdom UK Healthcare UK Biotechnology
82 Jadestone Energy Inc. JSE wb_incandescent $156.2 M Singapore Singaporean Energy Singaporean Oil & Gas E&P
83 IQE plc IQE wb_incandescent $134.1 M United Kingdom UK Technology UK Semiconductor Equipment & Materials
84 Strix Group plc KETL wb_incandescent $133.7 M United Kingdom UK Technology UK Electronic Components
85 Focusrite plc TUNE wb_incandescent $133.0 M United Kingdom UK Consumer Discretionary UK Leisure
86 Victoria plc VCP wb_incandescent $114.0 M United Kingdom UK Consumer Discretionary UK Furnishings, Fixtures & Appliances
87 IG Design Group plc IGR wb_incandescent $105.4 M United Kingdom UK Consumer Discretionary UK Specialty Retail
88 Watkin Jones plc WJG wb_incandescent $99.3 M United Kingdom UK Consumer Discretionary UK Residential Construction
89 Creo Medical Limited CREO wb_incandescent $75.1 M United Kingdom UK Healthcare UK Medical Devices
90 Naked Wines plc WINE wb_incandescent $74.6 M United Kingdom UK Consumer Staples UK Beverages—Wineries & Distilleries

Top FTSE AIM 100 Companies Ranking by Market Cap as of July 1, 2025

61. Numis Corporation plc

Company Profile: Numis Corporation plc
Market Cap (USD): $465.4 M (July 1, 2023)
Stock: NUM wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

62. RWS Holdings plc

Company Profile: RWS Holdings plc
Market Cap (USD): $456.5 M
Stock: RWS wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Consulting Services

63. FRP Advisory Group plc

Company Profile: FRP Advisory Group plc
Market Cap (USD): $437.7 M
Stock: FRP wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

64. Telit Communications plc

Company Profile: Telit Communications plc
Market Cap (USD): $435.1 M (Aug. 1, 2021)
Stock: TCM wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Communication Equipment

65. Alliance Pharma plc

Company Profile: Alliance Pharma plc
Market Cap (USD): $413.8 M (Jan. 1, 2025)
Stock: APH wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—Specialty & Generic

66. Central Asia Metals plc

Company Profile: Central Asia Metals plc
Market Cap (USD): $390.8 M
Stock: CAML wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Copper

67. Brooks Macdonald Group plc

Company Profile: Brooks Macdonald Group plc
Market Cap (USD): $364.3 M
Stock: BRK wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

68. Tremor International Ltd

Company Profile: Tremor International Ltd
Market Cap (USD): $357.8 M (Jan. 1, 2024)
Stock: TRMR wb_incandescent
Country: Israel
Sector: Israeli Communication Services
Industry: Israeli Advertising Agencies

69. Next Fifteen Communications Group plc

Company Profile: Next Fifteen Communications Group plc
Market Cap (USD): $341.9 M
Stock: NFC wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

70. Impax Asset Management Group plc

Company Profile: Impax Asset Management Group plc
Market Cap (USD): $337.4 M
Stock: IPX wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

71. dotdigital Group plc

Company Profile: dotdigital Group plc
Market Cap (USD): $313.9 M
Stock: DOTD wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

72. Midwich Group plc

Company Profile: Midwich Group plc
Market Cap (USD): $309.4 M
Stock: MIDW wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronics & Computer Distribution

73. Andrews Sykes Group plc

Company Profile: Andrews Sykes Group plc
Market Cap (USD): $306.4 M
Stock: ASY wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Rental & Leasing Services

74. Ceres Power Holdings plc

Company Profile: Ceres Power Holdings plc
Market Cap (USD): $277.6 M
Stock: CWR wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

75. Benchmark Holdings plc

Company Profile: Benchmark Holdings plc
Market Cap (USD): $252.1 M
Stock: BMK wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—Specialty & Generic

76. Knights Group Holdings plc

Company Profile: Knights Group Holdings plc
Market Cap (USD): $236.0 M
Stock: KGH wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

77. Gooch & Housego plc

Company Profile: Gooch & Housego plc
Market Cap (USD): $227.4 M
Stock: GHH wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

78. Bioventix plc

Company Profile: Bioventix plc
Market Cap (USD): $201.1 M
Stock: BVXP wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

79. Eurasia Mining plc

Company Profile: Eurasia Mining plc
Market Cap (USD): $186.6 M
Stock: EUA wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Precious Metals & Mining

80. Frontier Developments plc

Company Profile: Frontier Developments plc
Market Cap (USD): $175.7 M
Stock: FDEV wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Electronic Gaming & Multimedia

81. Avacta Group plc

Company Profile: Avacta Group plc
Market Cap (USD): $172.9 M
Stock: AVCT wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

82. Jadestone Energy Inc.

Company Profile: Jadestone Energy Inc.
Market Cap (USD): $156.2 M
Stock: JSE wb_incandescent
Country: Singapore
Sector: Singaporean Energy
Industry: Singaporean Oil & Gas E&P

83. IQE plc

Company Profile: IQE plc
Market Cap (USD): $134.1 M
Stock: IQE wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Semiconductor Equipment & Materials

84. Strix Group plc

Company Profile: Strix Group plc
Market Cap (USD): $133.7 M
Stock: KETL wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

85. Focusrite plc

Company Profile: Focusrite plc
Market Cap (USD): $133.0 M
Stock: TUNE wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Leisure

86. Victoria plc

Company Profile: Victoria plc
Market Cap (USD): $114.0 M
Stock: VCP wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Furnishings, Fixtures & Appliances

87. IG Design Group plc

Company Profile: IG Design Group plc
Market Cap (USD): $105.4 M
Stock: IGR wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Specialty Retail

88. Watkin Jones plc

Company Profile: Watkin Jones plc
Market Cap (USD): $99.3 M
Stock: WJG wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Residential Construction

89. Creo Medical Limited

Company Profile: Creo Medical Limited
Market Cap (USD): $75.1 M
Stock: CREO wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

90. Naked Wines plc

Company Profile: Naked Wines plc
Market Cap (USD): $74.6 M
Stock: WINE wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Beverages—Wineries & Distilleries

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