- Sinclair Henderson Fund Administration Limited
- Singer And Friedlander Asset Management Limited
- Singer And Friedlander Capital Management Limited
- Singer And Friedlander Capital Mark Ets Ltd
- Singer And Friedlander Investment Funds Ltd
- Singer And Friedlander Unit Trust Management Ltd
- Singer Capital Markets Limited
- Sinopia Asset Management (uk) Limited
- Sis Sega Intersettle Ltd
- Sisu Capital Limited
- Sitka Limited
- Skandia Investment Management Limited
- Skandia Life
- Skandinaviska Enskilda Banken Ab (publ)
- Skipton Building Society
- Slate T S
- Slater Investments Limited
- Slc Asset Management Ltd
- Slk Global Markets
- Sloane Robinson Investment Services Limited
- Sloane Robinson Llp
- Slp (management) Limited
- Sltm Limited
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- Smartstream Technologies Ltd
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- Smith And Nephew Plc
- Smith And Williamson Corporate Finance Limited
- Smith And Williamson Fund Administration Limited
- Smith And Williamson Investment Management Limited
- Smith And Williamson Trust Corporation Ltd
- Smith And Williamson Unit Trust Managers Ltd
- Sncb Securities Limited
- Sobhag Stockbroking Ltd.
- Socgen Investment Management Ltd
- Socgen-crosby Securities (europe) L Td
- Societe Generale European Emerging Markets Ltd
- Societe Generale Gilts Limited
- Societe Generale Investment Funds Limited
- Societe Generale Options Uk Ltd
- Societe Generale Securities Services Uk Limited
- Societe Generale Strauss Turnball
- Soditic Cbip Llp
- Soditic Limited
- Sofaer Global Research (uk) Ltd
- Solo Capital Limited
- Sonas Partners Llp
- Soros Private Equity Partners Ltd
- Sourcecap International Llp
- South China Securities (uk) Limited
- South Yorkshire Pensions Authority
- Southcoast Capital Corporation
- Sovereign Unit Trust Managers Limited
- Spectra Capital Ltd
- Spectron Commodities Ltd.
- Spectron Energy Services Ltd
- Spectron Futures Limited
- Spectrum Venture Management Limited
- Speedremit Worldwide Ltd.
- Speedwell Weather Derivatives Limited
- Speirs And Jeffrey Limited
- Spencer Churchill Miller Private Llp
- Spinnaker Capital Limited
- Spire Europe Limited
- Sporting Index Limited
- Spread Co Limited
- Spreadex Limited
- Square Investment Management
- Ssangyong Securities Europe Ltd
- Ssy Futures Ltd
- St Helen's Capital Plc
- St James's Securities Limited
- Stafford Corporate Consulting Limited
- Stafford Trading Europe Bv
- Staffordshire Building Society
- Stamford Associates Limited
- Stamford Partners Limited
- Standard And Poor's Credit Market Services Europe Limited
- Standard And Poor's Ltd
- Standard Life Investments (mutual Funds) Limited
- Stapleford Asset Management Ltd
- Stark Investments (uk) Llp
- State St Global Advisors Uk Limited
- State Street Corporation
- State Street Global Markets International Limited
- State Street Securities Europe Ltd
- State Street Trustees Limited
- State Street Wms London
- Statoil (uk) Limited
- Stenham Advisors Plc
- Stephens Inc
- Sterling Brokers Ltd
- Sterling Isa Managers Limited
- Steven Paul Flashman
- Stevenson And Barrs
- Stewart Ivory Unit Trust Managers Ltd
- Stifel Nicolaus Europe Limited
- Stockacademy Ltd
- Stockcube Research Limited
- Stocktrade
- Stocktrade Broking Limited
- Stocktrade Broking Ltd
- Stormharbour Alternative Investments Llp
- Strand Partners Limited
- Stratcap Limited
- Strategic Capital Services Ltd
- Straumur-burduras Investment Bk Hf
- Stretton Consulting
- Sturgeon Ventures Llp
- Sucden (uk) Ltd.
- Sucden Financial Limited
- Sumitomo Corporation Global Commodities Ltd
- Sumitomo Mitsui Asset Management (london) Limited
- Sun Alliance Investment Management
- Sun Global Investments Limited
- Sun Hung Kai Securities (u.k.) Limited
- Sun Life Investment Management Services
- Sun Life Of Canada Unit Managers Ltd
- Sun Trading International Limited
- Sundt And Company Limited
- Sungard Global Execution Services Limited (sges Trading)
- Sunkyong Securities Europe Ltd
- Susan Lloyd And Associates
- Sussex Futures Ltd
- Sussex Place Ventures Limited
- Sutherlands Ltd
- Sva Ltd
- Svg Investment Managers
- Svm Asset Management Limited
- Swansea Building Society
- Swardgreen Limited
- Swedbank Ab
- Swip Fund Management Limited
- Swiss Finance Corporation Limited
- Swiss Financial Services (uk) Ltd
- Swiss Investment Corporation Ltd
- Swiss Reinsurance Company Uk Limited
- Swithen Ltd
- Sydmor Finance (uk) Limited
- Syndicate Administration Ltd
- Synergy Financial Systems Limited
- T B Williamson Ltd
- T BAILEY ASSET MANAGEMENT LTD
- T BAILEY FUND MANAGERS LTD
- T U Fund Managers Limited
- T.C. ZIRAAT BANKASI
- T.ROWE PRICE GLOBAL ASSET MANAGEMENT LIMITED
- T.ROWE PRICE GLOBAL INVESTMENT SERVICES LIMITED
- TAUBE HODSON STONEX PARTNERS LLP
- TD ASSET MANAGEMENT LTD
- TESCO PERSONAL FINANCE PLC
- TFS DERIVATIVES LTD
- THE ACCESS BANK UK LIMITED
- THE BANK OF NEW YORK CAPITAL MARKETS LTD
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- THE LONDON CLEARING HOUSE LIMITED ALDGATE HOUSE, 3RD FLOOR
- THE NEWTON FOLLIS PARTNERSHIP LIMITED
- THE NORINCHUKIN BANK, LONDON BRANCH
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- THE ROYAL BANK OF SCOTLAND N.V. (UK EQUITIES)
- THE ROYAL BANK OF SCOTLAND PLC (FORMER RBS NV)
- THE SOCIETY INCORPORATED BY LLOYD'S ACT 1871 BY THE NAME OF LLOYD'S
- THE SOCIETY INCORPORATED BY LLOYDS ACT 1871 BY THE NAME OF LLOYDS
- THOMSON REUTERS
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- TORONTO DOMINION BANK
- TORONTO-DOMINION BANK
- TORONTO-DOMINION BANK (THE)
- TRADITION (UK) LTD
- TRADITION LONDON CLEARING LTD
- TROIKA DIALOG (UK) LIMITED
- TT INTERNATIONAL INVESTMENT MANAGEMENT
- TUDOR CAPITAL EUROPE LLP
- TULLETT PREBON (EUROPE) LTD
- TULLETT PREBON (SECURITIES) LTD
- TURKISH BANK (UK) LIMITED
- TURKIYE IS BANKASI A.S.
- Taconic Capital Advisors Uk Llp
- Tactical Global Management (uk) Limited
- Tai Fook Securities (uk) Limited
- Taib Securities Limited
- Takugin Finance International Ltd
- Talheiyo Europe Limited
- Talisman Trading Ltd
- Talorcan Plc
- Talos Securities Limited
- Talos Uk
- Tangible Securities Limited
- Tarchon Capital Services Limited
- Tardivat Futures Ltd0
- Target Capital Management Ltd
- Tass Investment Research Ltd
- Tass Management Ltd
- Tate And Lyle International Finance Plc
- Taube Hodson Stonex Partners Unit Trust Managementcompany Limited
- Taurus Investment Management Ltd
- Tavira Securities Limited
- Taylor Young Investment Management Ltd
- Td Bank Europe
- Td Waterhouse Bank Nv
- Td Waterhouse Investor Services (uk) Limited
- Tdwcs Llp
- Teachers Investment Management Limited
- Teathers Limited
- Tech-fund Ltd
- Technical Market Analysis Ltd
- Technomark Consulting Services Limited
- Telegraph Road Ltd
- Tellurian Commodities Fund
- Temple Lock Investments Limited
- Templeman Securities Limited
- Terium Llp
- Tesco Plc
- Tethys Advisors Limited
- Tfs-icap Ltd
- Tgc Ventures Limited
- Thames Broking Services Limited
- Thames River Capital (uk) Limited
- Thames River Capital Llp
- Thames River Multi-captial Llp
- The 140 Investment Managers Ltd
- The 140 Unit Trust Managers Ltd
- The Business Exchange Ltd
- The Cadmus Organisation Limited
- The Capita Group Plc
- The Capital Partnership (u.k.) Limited
- The Children's Investment Fund Management (uk) Llp
- The Ecu Group Plc
- The Exeter Practice Limited
- The Helios Group London
- The Kyte Group Limited
- The Link Asset And Securities Co Ltd
- The London Metal Exchange Limited
- The Manifest Voting Agency Ltd
- The Mansfield Building Society
- The Mortgage Works (uk) Plc
- The Savings Bank Limited
- The Seaport Group Europe Llp
- The Share Republic.com Limited
- The St James Partnership
- The Sunrise Asset Company Limited
- The Transportation Group (uk) Limited
- The University Of Manchester Venture Fund Management Limited
- The Weir Group Plc
- Theisen Securities Limited
- Themis Investment Management Limited
- Thepeoplesdata.com Limited
- Thesis Asset Management Plc
- Thesis Corporate Finance Limited
- Thesis Unit Trust Management Limited
- Think Trade Europe Limited
- Thomas Grant And Company Limited
- Thomas Miller Investment Ltd.
- Thomas Pierpont Grose
- Thomas R. Van Oss
- Thomas Weisel Partners International Limited
- Thompson Clive And Partners Limited
- Thomson Financial Investor Limited
- Thomson Financial Services Ltd.
- Thornhill Investment Management Limited
- Thornhill Unit Trust Managers Limited
- Threadneedle International Fund Management Limited
- Threadneedle Investment Managers Ltd.
- Threadneedle Investment Services Ltd
- Threadneedle Pensions Limited
- Threadneedle Portfolio Services Ltd
- Tibra Equities Europe Limited
- Tibra Trading Europe Limited
- Tiburon Partners Llp
- Tickmaker Ltd
- Tiedemann International Research
- Tilney And Co.
- Tilney Collective Management Limited
- Tilney Investment Management
- Timber Hill (u.k.) Ltd
- Tipton And Coseley Building Society
- Titan Capital Management Ltd
- Tlcom Capital Partners Limited
- Tmg Financial Products (europe) Limited
- Tokai Deutsche Asset Management Ltd
- Tokai Kyowa Morgan Grenfell
- Tokai Maruman Securities (europe) Ltd
- Tokai Tokyo Securities Europe Limited
- Tokio Marine Asset Management (london) Ltd
- Tokkai International
- Tokyo Mitsubishi Asset Management (uk) Ltd
- Tokyo Securities Co (europe) Ltd
- Tokyo-mitsubishi Asset Management (uk) Limited
- Tong Yang Securities Europe Ltd
- Topiary Finance Limited
- Toronto Dominion Investments Ltd
- Torrey Funds (europe) Ltd, The
- Torrie And Co.
- Tosca Fund Asset Management Llp