| A & B Cann Dentures Direct - Dental practice activities |
| A & G Glazing - Painting and glazing |
| A & S Wallace (Specialist Contractors) Ltd - Other building completion |
| A A A Contract Cleaners - Industrial cleaning |
| A A Gardner & Sons - Plumber |
| A A Upholstery - Manufacture of chairs and seats |
| A B B I R - Other construction work involving special trades |
| A B Floor Sanding - Floor and wall covering |
| A B M Law Ltd - Labour recruitment and provision of personnel |
| A Class Valeting - Maintenance and repair of motor vehicles |
| A C's Garden Maintenance - Agricultural service activities |
| A D Cragg & Son - Floor and wall covering |
| A D Cragg & Son - Floor and wall covering |
| A G Bell Ltd - Technical testing and analysis |
| A Greenwood Electrical - Installation of electrical wiring and fittings |
| A Hool - Installation of electrical wiring and fittings |
| A K Building Services - Other building completion |
| A K K Plasterers - Plastering |
| A K Tailoring - Retail sale of clothing |
| A L Electrical - Installation of electrical wiring and fittings |
| A M Barratt - Dental practice activities |
| A M C Marketing Services Ltd - Market research and public opinion polling |
| A M P M Ltd - Advertising |
| A O M - Other building completion |
| A O M External Property Maintenance - Other building completion |
| A P B Services - Other building completion |
| A P Michalcewicz - Dental practice activities |
| A P P S - Photographic activities |
| A W A Media & Design Ltd - Advertising |
| A1 Clockwise - Repair of watches, clocks and jewellery |
| A1 NT Gardening - Agricultural service activities |
| A1 Shatterscreen - Maintenance and repair of motor vehicles |
| A1 Video-Tel - Repair of electrical household goods |
| A1 Video-Tel Ltd - Repair of electrical household goods |
| Abbey - Bank |
| Abbey Of Sale - Sale of motor vehicles |
| Abbey Office Equipment - Manufacture of other office and shop furniture |
| Able School Of Motoring - Driving school activities |
| Acorn School Of Motoring - Driving school activities |
| Active Mobile - Telecommunications |
| Adams - Retail sale of clothing |
| Adullam Homes Housing Association - Social work activities with accommodation |
| Advance Recruitment Solutions Ltd - Labour recruitment and provision of personnel |
| Again Childrens Agency - Retail sale of clothing |
| Age Concern (Trafford) - Social work activities without accommodation |
| Age Concern Trafford - Social work activities without accommodation |
| Airplay Ltd - Operation of arts facilities |
| Akita Sportswear - Retail sale of clothing |
| Alan Angel - Photographic activities |
| Alan Homer - Painting and glazing |
| Alan Reece Motors Ltd - Maintenance and repair of motor vehicles |
| Alex Langdon - Other human health activities |
| Alexander Painters & Decorators - Painting and glazing |
| Alexander's Bistro - Restaurant |
| Alfresco - Restaurant |
| All Locking Systems - Manufacture of locks and hinges |
| All Saints Parish Centre - Activities of religious organisations |
| All Saints R C Church - Activities of religious organisations |
| All Saints R C Primary School - General secondary education |
| Allens Fried Chicken Ltd - Restaurant |
| Allotts Removals & Storage - Storage and warehousing |
| Alpha Electrical Installations - Installation of electrical wiring and fittings |
| Alphabets Day Nursery - Primary education |
| Altrincham & Sale Car Radiator - Maintenance and repair of motor vehicles |
| Altrincham & Sale Upholstery Ltd - Manufacture of chairs and seats |
| Altrincham County Court - Justice and judicial activities |
| Amblehurst Hotel - Hotels and motels, with restaurant |
| American Golf Discount Centre - Manufacture of sports goods |
| American Nail Studio - Hairdressing and other beauty treatment |
| Amite Public Sector Ltd - Software consultancy and supply |
| AMR Choice Solutions - Secretarial and translation activities |
| Anchor Trust - Social work activities with accommodation |
| Anderson Sports - Other retail sale in specialised stores |
| Andy Prolze - Painting and glazing |
| Angle Menswear - Retail sale of clothing |
| Anglian Home Improvements - Other building completion |
| Anglo Electrical - Installation of electrical wiring and fittings |
| Antar Information Technology Ltd - Software consultancy and supply |
| Anthony Savage - Floor and wall covering |
| Anthony Wood - Pre-press activities |
| Apollo Blinds - Manufacture of other office and shop furniture |
| Apollo Home Entertainment - Motion picture and video distribution |
| Apple Driving Tuition - Driving school activities |
| Appleyard & Trew - Technical testing and analysis |
| Appliance Centre - Repair of electrical household goods |
| Aqua Soothe - Manufacture of invalid carriages |
| Aqua-Proof Roofing - Erection of roof covering and frames |
| Arc Light Leaded Windows - Shaping and processing of flat glass |
| Argos Ltd - Retail sale via mail order houses |
| Arthur Jones - Real Estate Agency |
| Arthur Wood Advertising Ltd - Advertising |
| Ascot House - Social work activities with accommodation |
| Ash - Plumber |
| Asha Indian Takeaway - Restaurant |
| Ashbank Cars - Sale of motor vehicles |
| Ashfield - Veterinary activities |
| Ashgate Auto Electrics - Maintenance and repair of motor vehicles |
| Ashton Hall Equestrian Centre - Other sporting activities |
| Ashton On Mersey Cricket & Tennis Club - Operation of sports arenas and stadiums |
| Ashton On Mersey Post Office - National post activities |
| Ashton On Mersey School - Higher education |
| Ashton Upon Mersey United Reformed Church - Activities of religious organisations |
| Ashton-On-Mersey Golf Club - Other sporting activities |
| Astral Design & Prints - Pre-press activities |
| Atkinson Court - Social work activities with accommodation |
| Atkinson Road Family Centre - Social work activities without accommodation |
| Atlan Ltd - Labour recruitment and provision of personnel |
| Auto Finesse - Maintenance and repair of motor vehicles |
| Autotech - Maintenance and repair of motor vehicles |
| Auto-Tek - Maintenance and repair of motor vehicles |
| AV8Air.com - Scheduled air transport |
| Avenue Methodist Church - Activities of religious organisations |
| Avocate - Secretarial and translation activities |
| Avon Video Productions - Motion picture and video production |
| Avonlea Beauty Clinic - Hairdressing and other beauty treatment |
| Areti Cards - Other retail sale in specialised stores |
| Aries Joinery & Building - General Contractor |