Islington Business by letter: t
- T & R Bros, Islington
- T & R Furnitures Ltd, Islington
- T & T Training Solutions, Islington
- T A F Heating, Islington
- T A P Film & Video Ltd, Islington
- T A Pizza Plate, Islington
- T Burtwell, Islington
- T F A Group, Islington
- T F Associates, Islington
- T F P L Ltd, Islington
- T H Bull & Sons, Islington
- T H Georgiou, Islington
- T H S Resourcing, Islington
- T J News, Islington
- T Liddon, Islington
- T M P, Islington
- T M P Business Service, Islington
- T M S Consultants Ltd, Islington
- T M Services Ltd, Islington
- T Miles & Co Ltd, Islington
- T Miller, Islington
- T S E (Europe) Ltd, Islington
- T V R Electrics, Islington
- T W Research, Islington
- T-Three Consultants, Islington
- Ta Dilina, Islington
- Tabernacle Bar Grill, Islington
- Taffix Solutions (UK) Ltd, Islington
- Tag, Islington
- TAG World Writers, Islington
- Tagus International, Islington
- Tahir Halal Meat, Islington
- Tai Noodle Bar, Islington
- Taiwan Trade Centre Ltd, Islington
- Takis, Islington
- Talawa Theatre Co Ltd, Islington
- Talktime Agent Ltd, Islington
- Tallulah, Islington
- Tammam Dr B, Islington
- Tandoori Palace, Islington
- Tangible Benefit Ltd, Islington
- Tangible Securities Ltd, Islington
- Tank, Islington
- Tanya Newsagents, Islington
- Tapie Didier, Islington
- Taprobane, Islington
- Tapsell Antiques, Islington
- Target First, Islington
- Tarlo Lyons, Islington
- Tarmigan, Islington
- Tasos Papaloizou, Islington
- Tasou Associates, Islington
- Tassili, Islington
- Tassili, Islington
- Tassili, Islington
- Taste Of India, Islington
- Tasteful Encounters, Islington
- Tasty Cafe, Islington
- Tasty Spice, Islington
- Taverner, Islington
- Tavistock Communications Ltd, Islington
- Tavistock Institute, Islington
- Tawakal Telecom, Islington
- Taxbriefs Ltd, Islington
- Taxi Trade Promotions Ltd, Islington
- Taylans Supermarket, Islington
- Taylor Nichol, Islington
- Taylor Whalley & Spyra, Islington
- Tchibo, Islington
- Tea Design, Islington
- Teczoom, Islington
- Teddies United, Islington
- Teknik Motors, Islington
- Teknion, Islington
- Telecom Finance, Islington
- Telecom One, Islington
- Telekinesis Ltd, Islington
- Teleshop, Islington
- Telespy, Islington
- Teletape, Islington
- Television & Film Productions Ltd, Islington
- Television Co Ltd, Islington
- Telstra (Europe) Ltd, Islington
- Temples Ltd, Islington
- Templeton & Partners Ltd, Islington
- Templeton House Yoga Studio, Islington
- Tempus, Islington
- Tempus Stet Design Ltd, Islington
- Tenesse Fried Chicken, Islington
- Tenos Ltd, Islington
- Tensana, Islington
- Terence Lee Partnership, Islington
- Territorial Army, Islington
- Terry Hackney, Islington
- Tertio Ltd, Islington
- Tertio Service Management Solutions, Islington
- Tesco Stores Ltd, Islington
- Tesco Stores Ltd, Islington
- Test Research, Islington
- Testline Ltd, Islington
- Teuco Showroom, Islington
- Texaco, Islington
- Texaco, Islington
- Thai Corner Cafe, Islington
- Thai Square Angel, Islington
- Thames Computer Services Ltd, Islington
- Thamesroute Ltd, Islington
- The Abbaye, Islington
- The Aberdeen Centre, Islington
- The Action Group For Irish Youth, Islington
- The Active Birth Centre, Islington
- The Actors File, Islington
- The African Waistcoat Co, Islington
- The Agency Group Ltd, Islington
- The Albion, Islington
- The Alcohol Recovery Project, Islington
- The Alexander Technique Practice, Islington
- The Allegis Group, Islington
- The Alma, Islington
- The Alma, Islington
- The Alzheimer's Society (Islington), Islington
- The American Carwash Co Ltd, Islington
- The American University In London, Islington
- The Amtico Studio, Islington
- The Amwell Book Co, Islington
- The Amwell Street Practice, Islington
- The Andover Bright Start Creche, Islington
- The Angel, Islington
- The Angel, Islington
- The Angel Curry Centre, Islington
- The Angel Orthodontic Clinic, Islington
- The Angelic, Islington
- The Anna Scher Theatre, Islington
- The Antique Trader, Islington
- The Apple Press, Islington
- The Aquarium, Islington
- The Architects Journal, Islington
- The Architects Practice, Islington
- The Architectural Review, Islington
- The Architecture Foundation, Islington
- The Archway Sexual Health Clinic, Islington
- The Archway Tavern, Islington
- The Art Historians, Islington
- The Art Of Living (City) Ltd, Islington
- The Artillery Arms, Islington
- The Arundel Arms, Islington
- The Association Of Greater London Older Women, Islington
- The Association Of Independent Psychotherapists, Islington
- The Aubergine Cafe Ltd, Islington
- The Avenue Hair Salon, Islington
- The Aviation Bookshop, Islington
- The Backpacker, Islington
- The Bailey, Islington
- The Bakers Oven, Islington
- The Bakery, Islington
- The Balti King, Islington
- The Bank Of Nova Scotia, Islington
- The Baring, Islington
- The Barn Fish Bar, Islington
- The Barn Store, Islington
- The Barnsbury, Islington
- The Bath Shop, Islington
- The Bear, Islington
- The Bedford Tavern, Islington
- The Befriending Network, Islington
- The Betsey Trotwood, Islington
- The Better Hearth, Islington
- The Big Studio, Islington
- The Bishop Of Fulham, Islington
- The Black Horse, Islington
- The Blackstock Management Organisation, Islington
- The Blinc Partnership, Islington
- The Blue Gallery Ltd, Islington
- The Blue Room, Islington
- The Body Shop International PLC, Islington
- The Bridge School, Islington
- The Bridge School, Islington
- The British Association Of Art Therapists Ltd, Islington
- The British Dental Journal, Islington
- The British Institute Of Architectural Technologists, Islington
- The British Urological Foundation, Islington
- The Bull, Islington
- The Bull's Head, Islington
- The Cafe, Islington
- The Cafe & Burger Bar, Islington
- The Camden Head, Islington
- The Canonbury Academy, Islington
- The Carphone Warehouse, Islington
- The Carphone Warehouse, Islington
- The Cast Iron Shop, Islington
- The Castle, Islington
- The Castle, Islington
- The Catholic Herald, Islington
- The Cauldron Ltd, Islington
- The Central London Masonic Centre Ltd, Islington
- The Centre For Research Ltd, Islington
- The Charterhouse, Islington
- The Chequers, Islington
- The Cherished Number Co, Islington
- The Cherry Tree Stationers, Islington
- The Childrens House School, Islington
- The Childrens Society, Islington
- The Christian Campaign For Nuclear Disarmament, Islington
- The Christian Community In London, Islington
- The Church Of St Peter & St Paul, Islington
- The City Disputes Panel, Islington
- The City Presentation Centre, Islington
- The City Pride, Islington
- The Clarks Shop, Islington
- The Clear Group, Islington
- The Clearest Digital Image Co Ltd, Islington
- The Clerkenwell, Islington
- The Clerkenwell Christian Center, Islington
- The Co Books Ltd, Islington
- The Co-op, Islington
- The Co-op, Islington
- The Co-op, Islington
- The Coach & Horses, Islington
- The Coal Trade Benevolent Association, Islington
- The Coconut Lagoon, Islington
- The Colour Centre, Islington
- The Colour Co, Islington
- The Communications Unit Ltd, Islington
- The Conservatory, Islington
- The Cook Sisters, Islington
- The Copenhagen, Islington
- The Copy Shop (UK) Ltd, Islington
- The Crin Partnership, Islington
- The Crossrail Referee, Islington
- The Crown, Islington
- The Crown, Islington
- The Crown Fish & Chip Bar, Islington
- The Crown Free House, Islington
- The Crown Tavern, Islington
- The Curry Hut Indian Take Away, Islington
- The Data Business Ltd, Islington
- The Day Centre, Islington
- The Day Partnership, Islington
- The Den, Islington
- The Depot Productions, Islington
- The Depot Studios, Islington
- The Design Group Ltd, Islington
- The Diep ha, Islington
- The Difference Hairdressers, Islington
- The Direct Marketing Practice, Islington
- The Dog, Islington
- The Douglas Stephen Partnership, Islington
- The Dove Tail, Islington
- The Dragon Veterinary Clinic, Islington
- The Drapers Arms, Islington
- The Driver, Islington
- The Drop In Centre, Islington
- The Duchess Of Kent, Islington
- The Duchess Of Kent, Islington
- The Eagle, Islington
- The Eaglet, Islington
- The Earl Of Essex, Islington
- The Easton, Islington
- The Elbow Room, Islington
- The Elfrida Society, Islington
- The Elfrida Society, Islington
- The Elizabeth Avenue Group Practice, Islington
- The Elk In The Woods, Islington
- The Environmental Justice Foundation, Islington
- The Eventful Publishing Co Ltd, Islington
- The Everyman Project, Islington
- The Factory Community Project, Islington
- The Family Business, Islington
- The Family Planning Association, Islington
- The Famous Cock Tavern, Islington
- The Farm Consultancy, Islington
- The Fat Fried Chicken, Islington
- The Feel Good Drinks Co, Islington
- The Fence, Islington
- The Field Organisation Ltd, Islington
- The Fig, Islington
- The Film & Video Workshop, Islington
- The Financial Training Co Ltd, Islington
- The Finca Tapas Bar, Islington
- The Fireplace Shop, Islington
- The Fish Shop, Islington
- The Fitness Equipment Shop, Islington
- The Fitness Exchange, Islington
- The Flavour Of Italy, Islington
- The Flavour Of Italy, Islington
- The Flight Centre (UK) Ltd, Islington
- The Florence, Islington
- The Florence Trust, Islington
- The Food Commission, Islington
- The Fortune Cookie, Islington
- The Frameworks, Islington
- The Front Room, Islington
- The Furniture Practice Ltd, Islington
- The Furniture Shop, Islington
- The Future Foundation, Islington
- The Garage, Islington
- The Garden, Islington
- The Garden History Society, Islington
- The Gate, Islington
- The Gate, Islington
- The Genetic Interest Group, Islington
- The George, Islington
- The Gift Shop, Islington
- The Glass Hair Salon, Islington
- The Gower School, Islington
- The Grafton Arms, Islington
- The Graphic Design Business Ltd, Islington
- The Great Health Co, Islington
- The Great Health Physiotherapy And Chiropody Clinic, Islington
- The Green, Islington
- The Green, Islington
- The Green Man, Islington
- The Green Party, Islington
- The Greenery, Islington
- The Greeting Card Association, Islington
- The Griffin Trust, Islington
- The Group Practice, Islington
- The Group Practice At River Place, Islington
- The Grove, Islington
- The Grubb Institute, Islington
- The Grubbery, Islington
- The Gunners Fish Bar, Islington
- The H G Bar & Restaurant, Islington
- The Happy Newsagent, Islington
- The Harbour, Islington
- The Hatton Garden Agency, Islington
- The Haven, Islington
- The Head, Islington
- The Health Studio, Islington
- The Healthy Living Centre, Islington
- The Hen & Chicken Theatre, Islington
- The Henley Centre, Islington
- The Herpes Viruses Association, Islington
- The Highbury Barn Tavern, Islington
- The Highbury Centre For Alexander Technique, Islington
- The Hilton, Islington
- The Hobgoblin, Islington
- The Holloway, Islington
- The Holloway, Islington
- The Holloway Indian, Islington
- The Holloway Neighbourhood Group, Islington
- The Holly Park Montessori School, Islington
- The Hope, Islington
- The Hope & Anchor, Islington
- The Horseshoe, Islington
- The House, Islington
- The Hub Research Consultants, Islington
- The Illusion Factor, Islington
- The Immigrant Service, Islington
- The Institute Of New Technology, Islington
- The Institute Of Public Relations, Islington
- The Internet Cafe, Islington
- The Intro Corporation Ltd, Islington
- The Islam Channel, Islington
- The Islington Bar, Islington
- The Islington Chinese Association, Islington
- The Islington Flooring Co Ltd, Islington
- The Italia Conti Academy Of Theatre Arts Ltd, Islington
- The Italian Connection (London) Ltd, Islington
- The Jay Cubed, Islington
- The Jerk D'light, Islington
- The Jerusalem Tavern, Islington
- The Jewel Shop, Islington
- The Juice Co (Europe) Ltd, Islington
- The Junction, Islington
- The Junction Barbers, Islington
- The Junction Cafe, Islington
- The Junction Cafe, Islington
- The Kerb Productions, Islington
- The Khas, Islington
- The King Edward VI, Islington
- The Kings Cross Baptist Church, Islington
- The Kings Head, Islington
- The Kings Head, Islington
- The Kings Head, Islington
- The Kings Head Theatre Club, Islington
- The Klinik, Islington
- The Knowledge College (Black Cabs) Ltd, Islington
- The Kolossi Grill, Islington
- The Kriya Centre, Islington
- The Landseer, Islington
- The Language Centre, Islington
- The Language Connection, Islington
- The Larrik, Islington
- The Legros Partnership, Islington
- The Link, Islington
- The Lion, Islington
- The Litten Tree, Islington
- The Little Angel Theatre, Islington
- The Little Shoe Box, Islington
- The Living Room, Islington
- The London Academy For Higher Learning, Islington
- The London Accommodation Centre, Islington
- The London Design Festival Ltd, Islington
- The London Fashion Centre, Islington
- The London Hat Co Ltd, Islington
- The London Lock & Safe Co Ltd, Islington
- The London Of Capoeira, Islington
- The London Resonator Centre, Islington
- The London School Of Puppetry, Islington
- The London Scooter Bodyshop, Islington
- The London Supply Agency, Islington
- The London Trophy Co, Islington
- The Mackenzie Practice, Islington
- The Mall, Islington
- The Mall Cheque Agency, Islington
- The Manna Project, Islington
- The Market Research Society, Islington
- The Market Tiers 4dc, Islington
- The Marketing Agency, Islington
- The Marquess Tavern, Islington
- The Martin Luther King Adventure Playground, Islington
- The Masque Haunt, Islington
- The Master Cobbler, Islington
- The Maya Centre, Islington
- The Medical Foundation For The Care Of The Victims Of Tortu, Islington
- The Methodist Newpaper Co Ltd, Islington
- The Mezbaan, Islington
- The Miller Practice, Islington
- The Miller Practice, Islington
- The Mini Store, Islington
- The Mitre, Islington
- The Modern Art Department, Islington
- The Moray Arms, Islington
- The Mucky Pup, Islington
- The Mulberry Tree, Islington
- The Mutliple Sclerosis Society, Islington
- The Nags Head, Islington
- The Nags Head, Islington
- The Nags Head, Islington
- The National Council For Palliative Care, Islington
- The National Early Years Network, Islington
- The National Youth Theatre Of Great Britain, Islington
- The Natural Death Centre, Islington
- The New Culture Revolution, Islington
- The New North Community School, Islington
- The New Politics Network, Islington
- The New Rose, Islington
- The North London Suit Centre, Islington
- The North One, Islington
- The Northgate, Islington
- The Observer, Islington
- The Old Crown, Islington
- The Old Dairy, Islington
- The Old Ivy House, Islington
- The Old Queens Head, Islington
- The Only Time 2 Cue, Islington
- The Open Centre, Islington
- The Organic Health Food Store, Islington
- The Other Side, Islington
- The Oxford Arms, Islington
- The Palace, Islington
- The Panos Institute, Islington
- The Parisienne, Islington
- The Parsee, Islington
- The Partners (Design Consultants) Ltd, Islington
- The Peasant, Islington
- The Penny Farthing, Islington
- The Pentonville Plating Co Ltd, Islington
- The Personal Trainer Group, Islington
- The Phoenix Chinese Takeaway, Islington
- The Pilates Studio, Islington
- The Pine Shop, Islington
- The Pine Workshop, Islington
- The Pit Stop, Islington
- The Plant Room Landscapes, Islington
- The Pleasance Theatre, Islington
- The Pleasant Gents, Islington
- The Plough, Islington
- The Pocock Arms, Islington
- The Prebend Street Surgery, Islington
- The Precinct Theatre, Islington
- The Press Works, Islington
- The Prince Edward, Islington
- The Prince Of Wales, Islington
- The Prince Of Wales's Foundation For Integrated Health, Islington
- The Prince Regent, Islington
- The Print Corporation, Islington
- The Priory, Islington
- The Priory, Islington
- The Pro Centre, Islington
- The Property Bureau, Islington
- The Property Bureau, Islington
- The Prophet, Islington
- The Public Guardianship Office, Islington
- The Pulse Group, Islington
- The Purple Consultancy, Islington
- The Quays, Islington
- The Rail Estate Consultancy, Islington
- The Rail Passengers Council, Islington
- The Rain Forest Foundation, Islington
- The Rainbow, Islington
- The Real Greek Souvlaki, Islington
- The Red Room, Islington
- The Red Rose, Islington
- The Red Rose Comedy Club, Islington
- The Relatives & Residents Association, Islington
- The Research Business International, Islington
- The Retreat, Islington
- The Rite Bite, Islington
- The Rocket Complex, Islington
- The Rookery, Islington
- The Rotisserie, Islington
- The Royal Association For Disability & Rehabilitation, Islington
- The Royal Bank Of Scotland PLC, Islington
- The Royal Oak, Islington
- The Ruby Lounge, Islington
- The Saibinli Partnership, Islington
- The Salvation Army, Islington
- The Sands Group, Islington
- The Sandwich Box, Islington
- The Sandwich Box, Islington
- The Sarc, Islington
- The Sash Window & Door Co Ltd, Islington
- The Saward Roberts Studio, Islington
- The Scarman Trust, Islington
- The School Of The Science Of Acting, Islington
- The Screen On The Green, Islington
- The Sequel, Islington
- The Seven Heavens School For Combat & Healing, Islington
- The Shaftesbury, Islington
- The Sirloin, Islington
- The Slaughtered Lamb, Islington
- The Slug & Lettuce, Islington
- The Snooty Fox, Islington
- The Social, Islington
- The Soft Corporation Ltd, Islington
- The Soundivision Group, Islington
- The Spanish Translation Service, Islington
- The Specter Partnership, Islington
- The Star, Islington
- The Steam Passage, Islington
- The Stratem Consultancy, Islington
- The Stress Project, Islington
- The Stroke Association, Islington
- The Summer Village, Islington
- The Surgery, Islington
- The Sutton Arms, Islington
- The Tango Club, Islington
- The Tanning Shop, Islington
- The Tarmon, Islington
- The Taylor Practice, Islington
- The Thinking Printing Co Ltd, Islington
- The Thornhill Arms, Islington
- The Three Compasses, Islington
- The Three Kings, Islington
- The Tile Box, Islington
- The Transfer Function, Islington
- The Trawlerman Fish Shop, Islington
- The Turkish Education Group, Islington
- The Twentieth Century Society, Islington
- The Valentina Complex, Islington
- The Venus Project, Islington
- The Village Garage, Islington
- The Voucher Association, Islington
- The VW Service Centre Ltd, Islington
- The Way We Talk Ltd, Islington
- The Well, Islington
- The Westender, Islington
- The White Bear, Islington
- The White House, Islington
- The White Lion, Islington
- The White Lion Of Mortimer, Islington
- The White Swan, Islington
- The Whittington Cat, Islington
- The Who Cares Trust, Islington
- The Wholehog, Islington
- The Wholesale Lighting & Electrical Co, Islington
- The Willow Tree, Islington
- The Wilmington, Islington
- The Windmill, Islington
- The Window Venue Hire, Islington
- The Workhouse Theatre, Islington
- The World Community For Christian Meditation, Islington
- The Worlds End, Islington
- The Worshipful Co Of Mercers, Islington
- The Zetter, Islington
- The Zetter Hotel, Islington
- Theatreknits, Islington
- Theo Fashions, Islington
- Theo's Shoe Care, Islington
- Theodora Childrens Trust, Islington
- Theorem, Islington
- Theos Fisheries, Islington
- Think Unit 4 Furniture Ltd, Islington
- Thinking Eye, Islington
- Third Age Employment Network, Islington
- Third Millennuim Information Ltd, Islington
- Thirdperson, Islington
- This Is Real Art Ltd, Islington
- Thistle & Lee, Islington
- Thistle City Barbican, Islington
- THL, Islington
- THL Insurance Services Ltd, Islington
- Thomas B Treacy, Islington
- Thomas Bros, Islington
- Thomas Cook Ltd, Islington
- Thomas Cook Ltd, Islington
- Thomas Executives, Islington
- Thomas Of Fleet Street, Islington
- Thomas Properties, Islington
- Thomson, Islington
- Thomson Currie, Islington
- Thomson Currie, Islington
- Thomson Intermedia PLC, Islington
- Thornhill Neighbourhood Project, Islington
- Thornhill Primary School, Islington
- Threads, Islington
- Three Corners Adventure Playground, Islington
- Thresher, Islington
- Thresher, Islington
- Thresher Wine Shop, Islington
- Thresher Wine Shop, Islington
- Threshers, Islington
- Threshers, Islington
- Thriftway Ltd, Islington
- Thriftway Travel, Islington
- Thumbelina Nursery, Islington
- Thurston Watts & Co, Islington
- Tiata Fahadzi Ltd, Islington
- Tibet Images, Islington
- Tibet Information Network, Islington
- Tien Wah Press (UK) Ltd, Islington
- Tiger Lil's Flaming Woks, Islington
- Tiled Perfection Ltd, Islington
- Tilelli, Islington
- Tiles Etc, Islington
- Tim Bowden, Islington
- Tim Foster, Islington
- Tim Lewers, Islington
- Tim Tim, Islington
- Timber Supply Co, Islington
- Timbuktu Adventure Playground, Islington
- Timeplus Software Ltd, Islington
- Timpson Ltd, Islington
- Tindall Davies & Partners, Islington
- Tinseltown 24 Hour Diner, Islington
- Tinseltown On Line, Islington
- Titanic Cafe, Islington
- Title Research (Administration) Ltd, Islington
- Tito's Sandwich Bar, Islington
- To Be Established Ltd, Islington
- Toffee Park Adventure Playground, Islington
- Toffee Park Youth Club, Islington
- Togs, Islington
- Tollington Arms, Islington
- Tollington Community Association, Islington
- Tollington Park, Islington
- Tollington Park Baptist Church, Islington
- Tollingtons, Islington
- Tom Faulkner, Islington
- Tom Fitzsimmons, Islington
- Tom Giannini, Islington
- Tom Hurndall Foundation, Islington
- Tommy Flynn, Islington
- Toms Removals, Islington
- Tonellos, Islington
- Toni & Guy, Islington
- Toni & Guy, Islington
- Tony Fretton, Islington
- Tony Santham, Islington
- Tony's Kitchen, Islington
- Tonys Holistic Centre, Islington
- Tools For Schools Ltd, Islington
- Toot, Islington
- Tootsie Cleaners, Islington
- Top Corner Events, Islington
- Top Grade, Islington
- Top Pizza, Islington
- Top Style, Islington
- Topaz Trims (UK) Ltd, Islington
- Tops Hair & Beauty, Islington
- Topshop, Islington
- Tormax Ltd, Islington
- Torre Luzur McCann, Islington
- Total Building Ltd, Islington
- Total Clean, Islington
- Total Conflict Management, Islington
- Total Systems PLC, Islington
- Toucan Books, Islington
- Touch Europe Ltd, Islington
- Touchline Publishing, Islington
- Tourism & Corporate Automation, Islington
- Tourism Concern, Islington
- Tower Fund Managers Ltd, Islington
- Tower Of Refuge Ministry, Islington
- Tower Theatre, Islington
- Town House Publicity, Islington
- Toyas Restaurant At Tommy Flynn's, Islington
- TPM Consulting, Islington
- TQ3 Travel Solutions Ltd, Islington
- Trace Computer Group, Islington
- Tracks, Islington
- Tracks To Employment, Islington
- Tradcars, Islington
- Traid, Islington
- Trails Ltd, Islington
- Tranquility, Islington
- Trans European Technology, Islington
- Trans-European Technology, Islington
- Trans4m, Islington
- Transam Micro Systems Ltd, Islington
- Transcend, Islington
- Transeuropean Carriage Co, Islington
- Transworld Exchange Services Ltd, Islington
- Trattoria Aquilino, Islington
- Travel 2 Ltd, Islington
- Travelstay.Com, Islington
- Travis Perkins Trading Co Ltd, Islington
- Treasure Land, Islington
- Trendys, Islington
- Trett Consulting, Islington
- Trevi Ristorante, Islington
- TRH Pictures, Islington
- Tribe, Islington
- Tribune Business Systems Ltd, Islington
- Tricolore, Islington
- Triggerfish Communications Ltd, Islington
- Trina Ward MBACC, Islington
- Tripp Ltd, Islington
- Triumphant Church International, Islington
- Trofish Ltd, Islington
- Troika, Islington
- Tropical Fish Music, Islington
- Trott & Gentry, Islington
- Truemodes Ltd, Islington
- Trust Meat Co Ltd, Islington
- TTSP, Islington
- Tuade Services, Islington
- Tufnell House, Islington
- Tufnell Park Primary School, Islington
- Tuloh International Chauffeuring, Islington
- Turkish Education Group, Islington
- Turn On Lighting, Islington
- Turnbulls Chemist, Islington
- Turner Morum, Islington
- Turning Point Technologies Ltd, Islington
- Turnkey Records Management, Islington
- Turnkey Records Management, Islington
- Turnmills, Islington
- Turns Ltd, Islington
- Turquoise, Islington
- Tuscany Dreams, Islington
- Tuson & Partners, Islington
- Twentieth Century Design Ltd, Islington
- TwentyTwentyOne, Islington
- Twice As Nice Ltd, Islington
- Twin Star Pizza, Islington
- Two Brewers, Islington
- Two By Two Design Consultants, Islington
- Two-Ten, Islington
- Tysonfield Ltd, Islington