County Index - Middlesex
- K.C.E Ltd - Middlesex - Uxbridge
- . A Space Station Plc - Middlesex - Brentford
- 001 Computer Services - Middlesex - Harrow
- 020 Ltd - Middlesex - Twickenham
- 1 2 3 Bounce - Middlesex - Harrow
- 123 Franchising Ltd - Middlesex - Hayes
- 123buy Ltd - Middlesex - Hayes
- 1st Able Locksmith - Middlesex - Stanmore
- 1st Anglian Blinds - Middlesex - Harrow
- 1st car alarms - Middlesex - Ruislip
- 1st Handsfree - Middlesex - Ruislip
- 1st Limo Knights - Middlesex - Sunbury on Thames
- 1ST Point Ltd - Middlesex - Ruislip
- 21st Century Health Ltd - Middlesex - Edgware
- 24 Hr On-Line Support Ltd - Middlesex - Ashford
- 24-7 Amber Plumbing - Middlesex - Harrow
- 247 Locksmith - Middlesex - Staines
- 2D: 3D Ltd. - Middlesex - Wembley
- 2h Creative Consultancy - Middlesex - Isleworth
- 3 R Enterprises - Middlesex - Greenford
- 360 G S P College Ltd - Middlesex - Wembley
- 360 Vision Ltd. - Middlesex - Pinner
- 3PAR Ltd - Middlesex - Staines
- 4 Memories - Middlesex - Harrow
- 4 Seasons Builders - Middlesex - Isleworth
- 4leisure Recruitment - Middlesex - Uxbridge
- 4SECURE Ltd. - Middlesex - Harrow
- 4upc Ltd - Middlesex - Stanmore
- 5 Star Limousines Ltd - Middlesex - Uxbridge
- 5th Generation Designs Ltd - Middlesex - Twickenham
- 7 Star Ltd - Middlesex - Wembley
- A A Ropes & Slings Ltd. - Middlesex - Feltham
- A & A Hogan Ltd. - Middlesex - Hounslow
- A & C Ltd. - Middlesex - Harrow
- A & D Lifts - Middlesex - Edgware
- A & J Locksmiths - Middlesex - Hayes
- A & J Stanton - Middlesex - Wembley
- A & K General Builders Ltd - Middlesex - Hayes
- A & R Plumbing Supplies Ltd - Middlesex - Enfield
- A & V Contracting Ltd. - Middlesex - Isleworth
- A 1 Glass Supplies (Twickenham) Ltd - Middlesex - Twickenham
- A 4 All Appliances Ltd - Middlesex - Wembley
- A A Direct Ltd - Middlesex - Harrow
- A and M Fencing Company Ltd - Middlesex - Uxbridge
- A B C Bouncy Castles - Middlesex - Ashford
- A B C Catering Equipment Supplies - Middlesex - Edgware
- A B C Ceramics - Middlesex - Hayes
- A B C D E - Middlesex - Feltham
- A B Car Air Conditioning - Middlesex - Isleworth
- A B I Design - Middlesex - Wembley
- A B S & Sons - Middlesex - Southall
- A B S Electrical Contractors - Middlesex - Staines
- A Boyall Ltd. - Middlesex - Hampton
- A C Hughes Ltd. - Middlesex - Hampton
- A C Nicholas Ltd. - Middlesex - Enfield
- A C Stoneworks - Middlesex - Enfield
- A Cars - Middlesex - Feltham
- A Clean Sweep Ltd - Middlesex - Hanworth
- A D F Furnishings Ltd - Middlesex - Greenford
- A D K Kooling Ltd - Middlesex - Wembley
- A D R Engineering Ltd. - Middlesex - Uxbridge
- A E Bamford & Son - Middlesex - Feltham
- A F Gas Services Ltd - Middlesex - Harrow
- A F M Security - Middlesex - Ruislip
- A G Modelmakers - Middlesex - Wembley
- A G O Services - Middlesex - Hounslow
- A H Consultancy Services Ltd. - Middlesex - Southall
- A H P Architects - Middlesex - Teddington
- A I T Recorders Ltd. - Middlesex - Twickenham
- A Ibrahim Ltd - Middlesex - Wembley
- A J O'Connor Ltd. - Middlesex - Enfield
- A J Darling & Sons Ltd. - Middlesex - Twickenham
- A J Entertainments - Middlesex - Harrow
- A M Homeclean - Middlesex - Greenford
- A M R - Middlesex - Isleworth
- A M S Pumps & Controls (Brentford) - Middlesex - Brentford
- A M Services - Middlesex - Harrow
- A M Y Building Services - Middlesex - Hampton
- A N T Communications Ltd - Middlesex - Ruislip
- A Novo UK Ltd - Middlesex - Enfield
- A o'Malley Haulage - Middlesex - Harrow
- A One Precision Engineers - Middlesex - Hounslow
- A P T Air Conditioning Services Ltd. - Middlesex - Ashford
- A P W Engineering Co - Middlesex - Greenford
- A Paxton Ltd - Middlesex - Shepperton
- A Price Ltd - Middlesex - Teddington
- A R G Europe Ltd - Middlesex - Enfield
- A R K Heating Suppliers Ltd. - Middlesex - Isleworth
- A R V O Sales Ltd - Middlesex - Edgware
- A R Valli & Sons - Middlesex - Uxbridge
- A S Carpentry - Middlesex - Feltham
- A S Hardware - Middlesex - Edgware
- A S Law Practice - Middlesex - Harrow
- A S Transport - Middlesex - Hounslow
- A T & T (G B) Ltd - Middlesex - Brentford
- A Taylor Agency - Middlesex - Enfield
- A to Z Computers - Middlesex - Twickenham
- A to Z Models.Com - Middlesex - Enfield
- A V Sales (Europe) Ltd. - Middlesex - Ashford
- A V Training - Middlesex - Staines
- A V Wells French Polishing Contractors - Middlesex - Northolt
- A W F Engineering - Middlesex - Ashford
- A Z Diesel Fuel Injection Services - Middlesex - Southall
- A Z Reliant - Middlesex - Wembley
- A-Z Computer Services - Middlesex - Twickenham
- A-Z Reliant Catering Equipment Hire - Middlesex - Wembley
- A. & M. Pearce Plastering Ltd - Middlesex - Enfield
- A. Doran Contractors Ltd - Middlesex - Wembley
- A. Doran Plant Ltd - Middlesex - Harrow
- A. McKenzie Carpentry Services - Middlesex - Stanmore
- A.C. Pumps Ltd - Middlesex - Enfield
- A.E. Procter Ltd - Middlesex - Feltham
- A.Elfes Ltd (Edgware) - Middlesex - Edgware
- A.O.R. (Europe) Ltd - Middlesex - Southall
- A.S.L. Personnel Ltd - Middlesex - Sunbury on Thames
- A1 Cash & Carry - Middlesex - Harrow
- A1 Civil Engineering Ltd - Middlesex - Northolt
- A1 Furniture - Middlesex - Enfield
- A1 Laboratory Supplies Ltd - Middlesex - Enfield
- A3 Architects Ltd. - Middlesex - Pinner
- A40 Packaging - Middlesex - Greenford
- A40 Packaging Ltd - Middlesex - Greenford
- Aa Gas Boilers Cookers Plumbing & Heating Services - Middlesex - Harrow
- AA Telecom Ltd - Middlesex - Sunbury on Thames
- Aaa Limousines - Middlesex - Staines
- Aandatta Ltd. - Middlesex - Harrow
- AAP Solutions - Middlesex - Hounslow
- Aar International Inc - Middlesex - Hounslow
- Aaren Technology - Middlesex - Ruislip
- Aaron Gates & Railings - Middlesex - Uxbridge
- Aaron Skip Hire Ltd - Middlesex - Shepperton
- Ab Fab Uk Ltd - Middlesex - Wembley
- Abacus Optical Ltd. - Middlesex - Northwood
- Abacus Print - Middlesex - Wembley
- ABB Ltd - Middlesex - West Drayton
- Abbey Cards - Middlesex - Hayes
- Abbey Distributors - Middlesex - Wembley
- Abbey Stationery Products - Middlesex - Staines
- Abbeygate Drain Care Ltd - Middlesex - Ashford
- Abbeygate Supplies - Middlesex - Harrow
- Abbtex Sportswear - Middlesex - Harrow
- ABC - Middlesex - Edgware
- Abc Chauffeur Services - Middlesex - Edgware
- Abcot U.K. Ltd - Middlesex - Greenford
- Abex Infoway (Europe) Ltd - Middlesex - Edgware
- Abhicom Electronics Ltd - Middlesex - Harrow
- Abi Diamond - Middlesex - Harrow
- Ability Printing - Middlesex - Harrow
- Ability Security Systems Ltd - Middlesex - Edgware
- Able Pcu Industries Llc - Middlesex - Brentford
- Able Plant Services Ltd. - Middlesex - Harrow
- Able Refrigeration - Middlesex - Twickenham
- About Signs - Middlesex - Feltham
- Absolute Building Ltd - Middlesex - Stanmore
- Absolute Electronics Ltd - Middlesex - Staines
- Absolute Garments Ltd - Middlesex - Harrow
- Absolute Home Security - Middlesex - Enfield
- Absolute Hospitality Ltd. - Middlesex - Hounslow
- Abtech Services - Middlesex - West Drayton
- Academy Associates Uk Ltd - Middlesex - Hounslow
- Accessories by Designs Ltd - Middlesex - Ruislip
- Accordant Ltd - Middlesex - Pinner
- Accountancy Advisory Services - Middlesex - Hounslow
- Accurate Support Ltd - Middlesex - Hayes
- Accurocare Ltd - Middlesex - Hayes
- Accuver Emea Ltd - Middlesex - Harrow
- Ace Awards - Middlesex - Stanmore
- Ace Catering Hire - Middlesex - Staines
- Ace Refrigeration - Middlesex - Wembley
- Ace Welding Services - Middlesex - Sunbury on Thames
- Acer UK Ltd - Middlesex - West Drayton
- Aces Fans Ltd - Middlesex - Northwood
- Aciers Uk Ltd - Middlesex - Feltham
- Aciers UK Ltd - Middlesex - Feltham
- Acorn Consulting Ltd - Middlesex - Brentford
- Acorn Engraving Co - Middlesex - Hayes
- Acorn Equipment Co. Ltd. - Middlesex - Stanmore
- Acorn Pack Ltd - Middlesex - Ruislip
- Acorn Precision Components Ltd - Middlesex - Uxbridge
- Acs Consultants Ltd. - Middlesex - Harrow
- Acs Surrey Ltd - Middlesex - Feltham
- Act Credit Management Ltd - Middlesex - Harrow
- Act Teleconferencing Ltd. - Middlesex - Harrow
- Actest Ltd - Middlesex - Enfield
- Action Cars Ltd. - Middlesex - Harrow
- Action Graphics Ltd - Middlesex - Twickenham
- Action Signs & Graphics - Middlesex - Harrow
- Active Air llp - Middlesex - Rickmansworth
- Acton Bright Steel Ltd - Middlesex - Staines
- Actua International Ltd - Middlesex - Enfield
- Actworth Ltd - Middlesex - Enfield
- Adam Professional Landscapes - Middlesex - Harrow
- Adapted Vehicle Hire Ltd - Middlesex - Uxbridge
- Add Agency Ltd - Middlesex - Teddington
- Add Contracting Ltd - Middlesex - Brentford
- Addzim Solutions Ltd - Middlesex - Edgware
- Adecco - Middlesex - Enfield
- Adelbrent Engineers Ltd. - Middlesex - Northwood
- Adepsys Ltd - Middlesex - Harrow
- Adex Systems Ltd - Middlesex - Pinner
- Adlink UK Ltd - Middlesex - Wembley
- Adlink Uk Ltd (Wembley) - Middlesex - Wembley
- Adlink Uk Ltd. - Middlesex - Wembley
- Admiral Microwaves Ltd - Middlesex - Ruislip
- Adpak Outdoor Advertising - Middlesex - Enfield
- ADR Engineering Ltd - Middlesex - Uxbridge
- ADT Fire and Security plc - Middlesex - Sunbury on Thames
- Adtec Europe Ltd. - Middlesex - Hounslow
- Advance Process Fabrications Ltd. - Middlesex - Isleworth
- Advance Seating Designs T/as Fabrique Du Metal Ltd - Middlesex - Greenford
- Advanced Air Conditioning Systems - Middlesex - Isleworth
- Advanced Business Equipment Ltd. - Middlesex - Uxbridge
- Advanced Dortech - Middlesex - Uxbridge
- Advanced Fabrications (London) Ltd - Middlesex - Wembley
- Advanced Solutions Ltd. - Middlesex - Greenford
- Advanced Telecom Networks Ltd - Middlesex - Wembley
- Advancefirst Technologies Ltd - Middlesex - Shepperton
- Advertising Software Ltd - Middlesex - Ruislip
- Advith Uk Ltd - Middlesex - Feltham
- AEG Power Solutions Ltd (formerly Saft Power Systems Ltd) - Middlesex - Enfield
- Ael Infosys Ltd. - Middlesex - Harrow
- Aemia Uk Ltd - Middlesex - Uxbridge
- Aero Scaffolding Ltd - Middlesex - Feltham
- Aerofoam Ltd. - Middlesex - Stanmore
- Aerospheres (U K) Ltd. - Middlesex - Harrow
- Affinity Crew Ltd. - Middlesex - Twickenham
- Affordable Hearing Care - Middlesex - Ruislip
- Affordable Repairs & Spares Ford Specialist - Middlesex - Wembley
- Afghan Bazaar - Middlesex - Edgware
- Afm Metrology Services Ltd - Middlesex - Ashford
- African Revival - Middlesex - Hampton
- Aftec LHR Ltd - Middlesex - Staines
- Age Computer Services Ltd - Middlesex - Isleworth
- Age Contracts - Middlesex - Harrow
- Agency Sector Management (UK) Ltd - Middlesex - Staines
- Agfa-Gevaert Ltd - Middlesex - Brentford
- Aggregate Industries Uk Ltd. - Middlesex - West Drayton
- Agile Data Ltd - Middlesex - Ashford
- Agri-Chemicals Ltd. - Middlesex - Wembley
- Ah Empire Ltd - Middlesex - Wembley
- Ahl Property Ltd - Middlesex - Edgware
- Ahmed Exotic Ltd - Middlesex - Southall
- Aid-Us Products - Middlesex - Pinner
- Aim Builders Ltd. - Middlesex - Uxbridge
- Aimer Products Ltd - Middlesex - Enfield
- AIMS Accountants for Business - Middlesex - Ruislip
- Air B P Ltd - Middlesex - Sunbury on Thames
- Air Cargo Services Ltd - Middlesex - Staines
- Air Controlled Environmental Systems Ltd. - Middlesex - Uxbridge
- Air Fair Ltd - Middlesex - West Drayton
- Air Products Plc (Southall) - Middlesex - Southall
- Air-Fab (Manufacturing) Ltd. - Middlesex - Feltham
- Air-Sea Packing Group Ltd. - Middlesex - Twickenham
- Airbase Gse Ltd - Middlesex - Staines
- Airclaims Ltd - Middlesex - Hounslow
- Aircraft Procurement Solutions Ltd - Middlesex - Harrow
- Airduct Engineering Co. - Middlesex - Feltham
- Airforms Ltd. - Middlesex - Ashford
- Airline Tariff Publishing Co. - Middlesex - Hounslow
- Airpets Ltd - Middlesex - Staines
- Airport Fasttrack - Middlesex - Hounslow
- Airports Bureau Systems Ltd. - Middlesex - Ashford
- Airscrew Ltd - Middlesex - Sunbury on Thames
- Aj's Air Conditioning Services - Middlesex - Enfield
- Aja Ltd - Middlesex - Twickenham
- Ajay Business Centres Ltd. - Middlesex - Wembley
- Ajay Enterprises Ltd - Middlesex - Twickenham
- AJB Project Services Ltd - Middlesex - Hayes
- Ajb Waste Disposal - Middlesex - Ashford
- Ajibs Design Uk Ltd - Middlesex - Greenford
- Akaal Trading Ltd - Middlesex - Southall
- Akamai Technologies Ltd - Middlesex - Staines
- Akenstone Berkeley Ltd. - Middlesex - Northwood
- Aks It Services Ltd - Middlesex - Hounslow
- Akshara Solutions Ltd - Middlesex - Feltham
- Akzo Nobel Decorative Coatings Ltd (Enfield) - Middlesex - Enfield
- Al Abbas - Middlesex - Southall
- Al-Anaka Ltd - Middlesex - Harrow
- Al-Falah Foods Ltd - Middlesex - Harrow
- Al-Falah Halal Foods Ltd. - Middlesex - Greenford
- Al-Vilal Store - Middlesex - Wembley
- Alan Bowden - Middlesex - Feltham
- Alan Dale Pumps Ltd. - Middlesex - Ashford
- Alan Hannah Ltd - Middlesex - Enfield
- Alan Hirdle - Middlesex - Hayes
- Alan Ilsley - Middlesex - Hayes
- Alan J Lear - Middlesex - Harrow
- Alan Simons Contracts - Middlesex - Edgware
- Alan Taylor - Middlesex - Enfield
- Albany Cleaning Supplies - Middlesex - Feltham
- Albany Furnishings - Middlesex - Stanmore
- Albany Properties (Enfield) Ltd - Middlesex - Enfield
- Albe (England) Ltd. - Middlesex - Greenford
- Albro Windows Ltd. - Middlesex - Harrow
- Alder Roofing Supplies Ltd - Middlesex - Ashford
- Alderglade Picture Framers - Middlesex - Uxbridge
- Alert Cctv Systems - Middlesex - Enfield
- Alex Fergusson Architects Ltd - Middlesex - Teddington
- Alexander Hire - Middlesex - Ashford
- Alexander Partners - Middlesex - Hayes
- Alfa Foods Distribution Ltd - Middlesex - Greenford
- Alfred Ashley Group Ltd. - Middlesex - Northwood
- Alfred Ashley Ltd - Middlesex - Northwood
- Alfred Bagnall & Sons (London) Ltd. - Middlesex - Teddington
- Alfred Ramsay Building Services - Middlesex - Hounslow
- Algebra Tv - Middlesex - Twickenham
- Alifco Overseas Trading Ltd - Middlesex - Uxbridge
- Alison Macdonald Ltd - Middlesex - Pinner
- Aljac Fuelling Components Ltd. - Middlesex - Shepperton
- All Airports Ltd - Middlesex - West Drayton
- All County Developments Ltd - Middlesex - Shepperton
- All Day Recruitment Ltd. - Middlesex - Northwood
- All Metal Parts Ltd - Middlesex - Uxbridge
- All Metal Services Ltd. - Middlesex - West Drayton
- All Transport Haulage Services - Middlesex - Ashford
- Allams Bruce Picture Framing - Middlesex - Pinner
- Allday Rubbish Clearance - Middlesex - Harrow
- Alldridges (Southall) - Middlesex - Southall
- Alldur Building Consultancy Estimating Services - Middlesex - Uxbridge
- Allegro Blinds - Middlesex - St Albans
- Allen Brothers(Outfitters) Ltd - Middlesex - Northwood
- Allen Marmot (European) Ltd. - Middlesex - Edgware
- Allenby Infants & Nursery School (Southall) - Middlesex - Southall
- Allens Catering Hire Services Ltd. - Middlesex - Southall
- Allfor Care Alpha Care Recruitment West & Home Care Service Ltd - Middlesex - Hounslow
- Alliance International - Middlesex - Harrow
- Allied Furnishing Supplies Ltd - Middlesex - Enfield
- Allied Office Furniture - Middlesex - Uxbridge
- Allipharm (Uk) Ltd - Middlesex - Enfield
- Allparts Automotive (Enfield) - Middlesex - Enfield
- Allparts Automotive (Hayes) - Middlesex - Hayes
- Allpex Ltd - Middlesex - Wembley
- Allpoint Packaging Ltd - Middlesex - Hayes
- Allum Ltd - Middlesex - Shepperton
- Allweather Clothing Ltd. - Middlesex - Hayes
- Alma Services - Middlesex - Shepperton
- Almar Industrial Supplies Ltd - Middlesex - West Drayton
- Almedia I T Services Ltd. - Middlesex - Wembley
- Almeida Rugs Ltd - Middlesex - Southall
- Almik Signs Ltd. - Middlesex - Greenford
- Alnoor Foods Ltd. - Middlesex - Southall
- Alperton - Middlesex - Wembley
- Alperton & Wembley Car Breakers - Middlesex - Wembley
- Alperton Community School - Middlesex - Wembley
- Alperton Mini Market - Middlesex - Wembley
- Alpha Biotech Ltd - Middlesex - Uxbridge
- Alpha Building & Construction - Middlesex - West Drayton
- Alpha Computer Services (U K) Ltd - Middlesex - Edgware
- Alpha Digital Solutions Ltd. - Middlesex - Uxbridge
- Alpha Locks Ruislip - Middlesex - Ruislip
- Alpha Wire International - Middlesex - Sunbury on Thames
- Alphacomp (Uk) Ltd - Middlesex - Sunbury on Thames
- Alpharidge Ltd - Middlesex - Wembley
- Alphatron Trading Ltd - Middlesex - Hampton
- Alroc Ltd - Middlesex - Enfield
- Alroy Carpets - Middlesex - Enfield
- Alternative Glass Design Ltd - Middlesex - Enfield
- Alternative Packaging Ltd - Middlesex - Uxbridge
- Alternative Resources Ltd - Middlesex - Shepperton
- Altroy Ltd - Middlesex - Ruislip
- Altroy Ltd - Middlesex - Ruislip
- Altus Edwin Hill M25 West Office - Middlesex - West Drayton
- Am Computers - Middlesex - Harrow
- Am Resources Ltd - Middlesex - Twickenham
- Am Resources Ltd - Middlesex - Twickenham
- Am-Safe Ltd. - Middlesex - Hounslow
- Amar Thomas Associates Ltd - Middlesex - Teddington
- Amax Security Ltd. - Middlesex - Harrow
- Amazing Internet Ltd - Middlesex - Twickenham
- Ambassador's of London Ltd. - Middlesex - Wembley
- Ambassadors of Sound - Middlesex - Hayes
- Amber Enterprises (London) Ltd - Middlesex - Harrow
- Amber Safetywear Ltd - Middlesex - Edgware
- Amberworks Twickenham Ltd - Middlesex - Isleworth
- Ambit International Ltd. - Middlesex - Enfield
- Ambray Ltd - Middlesex - Staines
- Ambush Security Systems Ltd - Middlesex - Uxbridge
- American Medical Systems U K Ltd. - Middlesex - Brentford
- Amery Construction Ltd - Middlesex - Wembley
- Amesplan Ltd - Middlesex - Southall
- Amlon Metals Ltd - Middlesex - Edgware
- Ammoura Ltd - Middlesex - Wembley
- Amore Interiors Ltd - Middlesex - Northwood
- Amoroma Ltd - Middlesex - Southall
- Amotech Europe Ltd. - Middlesex - Wembley
- AMPAC Trading Ltd - Middlesex - Harrow
- Amplivox + Ultratone Hearing Care Centre (Harrow) - Middlesex - Harrow
- Amrut (Uk) Ltd - Middlesex - Harrow
- Amtec Imaging - Middlesex - Greenford
- Amtex Solutions Ltd - Middlesex - Harrow
- Amyand Park Electrical - Middlesex - Isleworth
- Anadarko Algeria Co. Llc - Middlesex - Uxbridge
- Analytics SEO - Middlesex - London
- Analytics Seo Ltd - Middlesex - Twickenham
- Anatolian Tiles - Middlesex - Enfield
- Anchor Plastics Machinery Ltd. - Middlesex - Uxbridge
- Anchorage Associate - Middlesex - Twickenham
- Andrea Marks Public Relations - Middlesex - Edgware
- Andrea O'Grady - Middlesex - Ashford
- Andrew Day - Middlesex - Greenford
- Andrew Jewers Wines Ltd - Middlesex - Brentford
- Andrew Turner & Co Ltd - Middlesex - Uxbridge
- Andrew Varney - Middlesex - Staines
- Andrik & Chorleywood Press - Middlesex - Pinner
- Andromica Video Systems Ltd. - Middlesex - Uxbridge
- Andytruc Ltd. - Middlesex - West Drayton
- Angel Case & Packing Co. Ltd. - Middlesex - Hounslow
- Angel Joinery Handmade Kitchens - Middlesex - Hampton
- Angel Trimmings Ltd. - Middlesex - Enfield
- Anglo Aquarium Plant Co. Ltd. - Middlesex - Enfield
- Anglo-Dal Ltd. - Middlesex - Edgware
- Angus Smith Equine Dental Technician - Middlesex - Enfield
- Anika Wholesale & Distributors - Middlesex - Harrow
- Animate - Middlesex - Brentford
- Animated Extras International Ltd - Middlesex - Shepperton
- Anixter International Ltd. - Middlesex - Uxbridge
- Anjali Arya Consultancy - Middlesex - Pinner
- Ankur Precision Engineering Ltd. - Middlesex - Uxbridge
- Anna Valley Displays Ltd - Middlesex - Hampton
- Annessa Imports Ltd. - Middlesex - Enfield
- Announce It Ltd - Middlesex - Hampton
- Ansett Aircraft Spares and Services Ltd - Middlesex - Hounslow
- ANT Structures Ltd (Shepperton) - Middlesex - Shepperton
- Anteeo Solutions Ltd - Middlesex - Pinner
- Anthony Brian - Middlesex - Staines
- Anthony Charles Hampton - Middlesex - Feltham
- Anthony Fieldhouse & Co - Middlesex - Greenford
- Anthony J Blythe & Co - Middlesex - Pinner
- Anthony Juer Lighting Ltd - Middlesex - Hayes
- Antique Fires of Enfield - Middlesex - Enfield
- Antonio Pacelli Ltd - Middlesex - Wembley
- Anuva International Ltd - Middlesex - Pinner
- Anykey Locksmiths - Middlesex - Northolt
- Anytime Concrete - Middlesex - Greenford
- Anzed Computer Services Ltd. - Middlesex - Harrow
- AP Technology Ltd - Middlesex - Hayes
- Apartments2book.Com Ltd - Middlesex - Stanmore
- Apex Garden & Building Materials - Middlesex - Edgware
- Apex Project Services - Middlesex - Stanmore
- Apl Logistics Europe B V - Middlesex - Uxbridge
- Apna Marquees - Middlesex - Hounslow
- Apollo Video - Middlesex - Southall
- Apollotek Ltd - Middlesex - Sunbury on Thames
- Apotek U.K. Ltd - Middlesex - Brentford
- Apple Catering Hire - Middlesex - Edgware
- Apple Press - Middlesex - Uxbridge
- Apple Store for Business - Middlesex - Uxbridge
- Apple Xemplar Education Ltd - Middlesex - Uxbridge
- Applebee Exports Ltd - Middlesex - Feltham
- Applejack Trading Co. - Middlesex - Pinner
- Applewoods Hydroponica (Brentford) - Middlesex - Brentford
- Appliances Store - Middlesex - Southall
- Applied Acoustic Design Ltd - Middlesex - Staines
- Aprios Audio Visual Ltd - Middlesex - Uxbridge
- Apropa Machinery Ltd. - Middlesex - Teddington
- Apt Controls Ltd. - Middlesex - Harrow
- Aptus Personnel Ltd (Enfield) - Middlesex - Enfield
- Aqua Bathroom (Twickenham) Ltd - Middlesex - Twickenham
- Aqualite Trading Ltd - Middlesex - Wembley
- Aquapure - Middlesex - Twickenham
- Aquapurge Ltd - Middlesex - Hayes
- Aquazone - Middlesex - Uxbridge
- Ar Business Solutions - Middlesex - Uxbridge
- AR Valli and Sons - Middlesex - Uxbridge
- Aram Design - Middlesex - Wembley
- Arandale Couriers - Middlesex - West Drayton
- Arc Fabrications Ltd - Middlesex - Wembley
- Arcade Productions (Riwaq) Ltd - Middlesex - Isleworth
- Arcadia Building Contracts Ltd - Middlesex - London
- Arcadia Corporate Merchandise - Middlesex - Ruislip
- Archipel Ltd - Middlesex - Harrow
- Architecture : Wk Ltd - Middlesex - Teddington
- Arcit Ltd - Middlesex - Northwood
- Arco Direct - Middlesex - Pinner
- Arcode UK Ltd - Middlesex - Harrow
- Arcoe Metal Products - Middlesex - Uxbridge
- Arctic Chilled Foods Ltd - Middlesex - Wembley
- Arctic Conditions Ltd - Middlesex - Harrow
- ARD Systems Ltd - Middlesex - Enfield
- Area Grab Hire - Middlesex - West Drayton
- Areatrade Advertising Ltd - Middlesex - Enfield
- Argent Litho Ltd. - Middlesex - Wembley
- Ari Installations Ltd. - Middlesex - Wembley
- Ari Medical Supplies Co. Ltd - Middlesex - Harrow
- Aria Computers - Middlesex - Uxbridge
- Aristocrat Technologies Europe Ltd - Middlesex - Uxbridge
- Ark Creative Ltd - Middlesex - Enfield
- Ark Electrical Services Ltd - Middlesex - Hayes
- Arlon Interactive Marketing Ltd - Middlesex - Northwood
- Armadillo Managed Services Ltd - Middlesex - Hayes
- Armored Auto Uk Ltd. - Middlesex - Brentford
- Armour Security (London) Ltd - Middlesex - Enfield
- Armstrong Metal Ceilings Ltd. - Middlesex - Uxbridge
- Armstrong World Industries Ltd. - Middlesex - Uxbridge
- Aroma Coffee - Middlesex - Southall
- Aroma Janitorial Supplies - Middlesex - Feltham
- Aromair Ltd. - Middlesex - Shepperton
- Aromatherapy Associates Ltd - Middlesex - Brentford
- Arora Training & Consultancy Ltd - Middlesex - Harrow
- Arotec Neon Signs Ltd. - Middlesex - Enfield
- Arpia Facilities - Middlesex - Ashford
- Arri Rental Ltd - Middlesex - Uxbridge
- Arris Fencing - Middlesex - Uxbridge
- Arrow Coated Products (Uk) Ltd - Middlesex - Harrow
- Arsanit Ltd - Middlesex - Wembley
- Art and Picture Framing By Saryan - Middlesex - Pinner
- Art Club - Middlesex - Edgware
- Artech Systems - Middlesex - Ashford
- Artek Display Ltd. - Middlesex - Harrow
- Artem Ltd. - Middlesex - Greenford
- Artemis Decorative Glass - Middlesex - Staines
- Arthur Sanderson and Sons Ltd - Middlesex - Uxbridge
- Artisan Tiles - Middlesex - Shepperton
- Artistic Licence Intergration - Middlesex - Harrow
- Artistic Visions - Middlesex - Harrow
- Arty Wig Designs - Middlesex - Northolt
- Arty Wigs Display - Middlesex - Northolt
- Arul Consulting Services Ltd - Middlesex - Harrow
- Arun Associates Ltd. - Middlesex - Edgware
- Arvind Worldwide (M) Inc - Middlesex - Harrow
- Asap Temporaries Ltd - Middlesex - Greenford
- Ascend Solutions Ltd - Middlesex - Ruislip
- Ascendancy Media Ltd - Middlesex - Stanmore
- Asf Consultancy - Middlesex - Enfield
- Asfare No 1 Ltd - Middlesex - Ruislip
- Ash Data Systems Ltd - Middlesex - Northwood
- Ash Hair Design Ltd - Middlesex - Northolt
- Ash House Business Centre - Middlesex - Twickenham
- Ash Pc's - Middlesex - West Drayton
- Ashco Accountants Ltd - Middlesex - Edgware
- Ashford & Shepperton Curtain Services - Middlesex - Ashford
- Ashford Common Stores - Middlesex - Ashford
- Ashford Environmental Services Ltd. - Middlesex - Staines
- Ashford Locks - Middlesex - Ashford
- Ashley Cleaning Services Ltd - Middlesex - Enfield
- Ashprint (London) Ltd - Middlesex - Wembley
- Asia Commodities International Ltd - Middlesex - Staines
- Asian Entertainment Alliance Ltd - Middlesex - Southall
- Asian Traders Ltd - Middlesex - Southall
- Askool Air Conditioning - Middlesex - Hayes
- Asme Engineering Ltd - Middlesex - Harrow
- Aspect Commercial Wheels Ltd - Middlesex - Uxbridge
- Aspect Commercial Wheels Ltd - Middlesex - Uxbridge
- Aspect Property Services Ltd - Middlesex - Ruislip
- Aspect Software Uk Ltd - Middlesex - Uxbridge
- Aspen Electronics Ltd - Middlesex - Ruislip
- Asper Marble & Granite Ltd - Middlesex - Hounslow
- Asr Autocentre Ltd - Middlesex - Enfield
- Assanka Ltd - Middlesex - Hampton
- Assessment Selection & Psychology Ltd. - Middlesex - Isleworth
- Asset ID Ltd - Middlesex - Shepperton
- Assetco Engineering Ltd - Middlesex - Ruislip
- Assign Technology - Middlesex - Greenford
- Associated Air Services Ltd. - Middlesex - Feltham
- Astec Consultants Services - Middlesex - Harrow
- Aston Colour Press Ltd - Middlesex - Twickenham
- Aston Cord Ltd - Middlesex - Sunbury on Thames
- Aston Manufacturing Co. Ltd. - Middlesex - Twickenham
- Astra Infotech Ltd - Middlesex - Hounslow
- Astrology Counsellor - Middlesex - Harrow
- At Your Disposal - Middlesex - West Drayton
- Atbus Ltd - Middlesex - Northolt
- Attachmate Sales U K Ltd. - Middlesex - Staines
- Attenda Group Finance Ltd - Middlesex - Staines
- Attenda Group Ltd. - Middlesex - Staines
- Attewell Ltd - Middlesex - Hayes
- Attwood Baker - Middlesex - Teddington
- Atul Designs Ltd. - Middlesex - Pinner
- Au Pair Plus - Middlesex - Edgware
- Au Pairs & Nannies Direct - Middlesex - Edgware
- Auden McKenzie (Pharma Division) Ltd. - Middlesex - Ruislip
- Audio Digital Technology Ltd - Middlesex - Teddington
- Audio Marketing (U K) Ltd - Middlesex - Wembley
- Audio Related Technology Ltd - Middlesex - Wembley
- Audio Solutions Ltd - Middlesex - Edgware
- Audio T Ltd (Enfield) - Middlesex - Enfield
- Audio Visual Events Ltd - Middlesex - Hayes
- Auntie Planty Garden Advice - Middlesex - Twickenham
- Auping Uk Ltd - Middlesex - Harrow
- Australian Portfolio Wines (Uk) Ltd - Middlesex - Harrow
- Auto 4 Ltd. - Middlesex - Southall
- Auto Fuzion - Middlesex - Southall
- Auto Soft Uk Ltd. - Middlesex - Hounslow
- AutoAero - Middlesex - Staines
- Autoleaseplan - Middlesex - Hounslow
- Automatic Sales Ltd - Middlesex - Uxbridge
- Automatic Transmission Centre - Middlesex - Southall
- Automatic Transmission Specialists - Middlesex - Feltham
- Automobile Airconditioning Services - Middlesex - Ruislip
- Automobile Trimmings Co. - Middlesex - Stanmore
- Autoscript Ltd - Middlesex - Twickenham
- Autospark (U K) Ltd - Middlesex - Wembley
- Autosport Bearings & Components Ltd. - Middlesex - Shepperton
- Autumn Precision Engineering Ltd. - Middlesex - Hounslow
- AVA Packaging Solutions Ltd - Middlesex - Uxbridge
- Avalon Trading Ltd - Middlesex - Hounslow
- Avanti Computer Services - Middlesex - Northwood
- Avatan Handling Equipment - Middlesex - Pinner
- Avenida Uk Ltd - Middlesex - Ruislip
- Avepoint U K Ltd - Middlesex - Uxbridge
- Avery Flight Interiors Ltd - Middlesex - Feltham
- Avi Support - Middlesex - Uxbridge
- Aviamax Ltd. - Middlesex - Isleworth
- Aviation & Business Strategy Consulting Ltd - Middlesex - Edgware
- Aviation Fuel Services Ltd - Middlesex - Hounslow
- Aviation Resource - Middlesex - Hounslow
- Aviserv Ltd. - Middlesex - West Drayton
- AVM Impact - Middlesex - Sunbury on Thames
- Avondale Systems Ltd. - Middlesex - Twickenham
- Avonville Ltd - Middlesex - Northwood
- Avro Systems Technology Ltd. - Middlesex - Northolt
- AWARE - Middlesex - Stanmore
- Awnhill Ltd - Middlesex - Northolt
- Axdro Bpo Ltd. - Middlesex - Wembley
- Axis Films Ltd. - Middlesex - Shepperton
- Ayjaygee Ltd - Middlesex - Ruislip
- Ayurvedic Herbals Ltd - Middlesex - Harrow
- Azads Timber & Builder Merchants - Middlesex - Wembley
- Azko Ltd - Middlesex - Ruislip
- Aztec Computing Ltd - Middlesex - Pinner
- Aztec Group (Uk) Ltd. - Middlesex - Uxbridge
- Aztec Investigations - Middlesex - Shepperton
- Aztec Modelmakers Ltd - Middlesex - Teddington
- B & B Timber & Builders Merchants - Middlesex - Southall
- B & E Barrett - Middlesex - Uxbridge
- B & J Plumbing & Heating Supplies Co - Middlesex - Greenford
- B & K Environmental Services Ltd - Middlesex - Wembley
- B & S Durbin Ltd - Middlesex - Harrow
- B & S Fruits - Middlesex - Southall
- B and M Glassing Lmtd - Middlesex - Harrow
- B and T Builders - Middlesex - Twickenham
- B C M Group P L C - Middlesex - Isleworth
- B C P Premier - Middlesex - Edgware
- B C P Premier - Middlesex - Harrow
- B D C Electrical Goods - Middlesex - Hayes
- B D Tools - Middlesex - Edgware
- B E W Electrical Distributors Ltd (West Drayton) - Middlesex - West Drayton
- B F A Recycling - Middlesex - Uxbridge
- B G Gidoomal - Middlesex - Southall
- B G T Printing Services - Middlesex - Uxbridge
- B H Skip - Middlesex - Uxbridge
- B I G - Middlesex - Hampton
- B I G Group - Middlesex - Teddington
- B J Plumbing (Greenford) - Middlesex - Greenford
- B J S Co. Ltd. - Middlesex - Greenford
- B J Wood & Son - Middlesex - Isleworth
- B J Wood & Son - Middlesex - Staines
- B K Food and Wine - Middlesex - Harrow
- B Khan - Middlesex - Southall