| Catagories | Records | | Catagories | Records |
| Baby & Nursery Equipment | 962 | | Boat Furnishings & Fittings | 17 |
| Baby Sitters | 28 | | Boat Moorings | 80 |
| Bacon & Ham Curers & Merchants | 62 | | Boat Trips & Excursions | 189 |
| Badges & Emblems | 158 | | Boatbuilders & Repairers | 746 |
| Bags - Paper, Plastic & Fabric - Suppliers | 261 | | Boats - Sales | 227 |
| Bags, Belts & Accessories - Mnfrs & Suppliers | 115 | | Boiler Mnfrs | 53 |
| Bailiffs | 111 | | Boilers - Servicing, Replacements & Repairs | 1018 |
| Bakers' Shops | 7371 | | Bonsai Centres | 32 |
| Bakery & Confectionery Supplies | 1113 | | Book Publishers | 867 |
| Bakery Equipment Mnfrs & Suppliers | 74 | | Bookbinders | 233 |
| Ballet Schools | 48 | | Bookbinding Equipment | 13 |
| Balloons - Hot Air | 92 | | Bookmakers | 1862 |
| Balloons - Novelty | 523 | | Books - Rare & Secondhand | 786 |
| Balustrade & Handrail Mnfrs | 30 | | Booksellers | 3543 |
| Banks & Other Financial Institutions | 9589 | | Bottle Caps & Seals | 19 |
| Banqueting Rooms | 131 | | Bottle Mnfrs & Suppliers | 43 |
| Bar Code Products & Services | 122 | | Bottling Machinery & Equipment | 21 |
| Bar Equipment & Accessories | 100 | | Bouncing Castles & Inflatables Hire | 665 |
| Bar Fitters | 55 | | Bowling Centres | 553 |
| Barbecue Equipment & Supplies | 41 | | Boxes & Cartons | 512 |
| Barbers | 1879 | | Brake & Clutch Mnfrs | 77 |
| Barristers | 2620 | | Brake & Clutch Service Centres | 214 |
| Bath Resurfacing | 66 | | Brass & Copper Mnfrs | 30 |
| Bathroom Equipment & Fittings | 678 | | Brass & Copper Stockholders | 14 |
| Bathroom Fixtures - Mnfrs | 77 | | Brassware Mnfrs | 24 |
| Bathroom Planners & Furnishers | 914 | | Brassware Stockists | 18 |
| Battery Mnfrs | 49 | | Brewers | 375 |
| Battery Servicing | 30 | | Brewers' Equipment & Services | 93 |
| Battery Suppliers | 276 | | Brick Merchants | 115 |
| Bearing Mnfrs | 65 | | Brick Mnfrs | 131 |
| Bearings Stockists | 603 | | Bricklaying | 487 |
| Beauty Consultants & Specialists | 1438 | | Bridal Shops | 1042 |
| Beauty Products | 1023 | | Broadcasting Services | 116 |
| Beauty Salons | 4426 | | Brush Mnfrs | 75 |
| Beauty Schools | 49 | | Builders | 22139 |
| Bed & Mattress Mnfrs | 149 | | Builders' Merchants | 3053 |
| Bedroom Planners & Furnishers | 575 | | Builders' Tools & Equipment Mnfrs | 36 |
| Beds, Bedding & Blankets | 1307 | | Building Block Mnfrs & Distributors | 30 |
| Bee Farmers & Beekeepers | 29 | | Building Consultants | 664 |
| Beekeepers Supplies | 19 | | Building Information Services | 19 |
| Belting Mnfrs | 20 | | Building Refurbishment & Restoration Contractors | 444 |
| Benefits Agency | 17 | | Building Services | 979 |
| Bingo Halls | 312 | | Building Societies & Other Financial Institutions | 2123 |
| Binoculars & Telescopes | 41 | | Buildings - Sectional & Portable | 664 |
| Bird Breeders | 9 | | Bulb Growers & Suppliers | 37 |
| Births, Marriages & Deaths | 244 | | Bullion Dealers | 22 |
| Biscuit Mnfrs | 39 | | Bureaux De Changes | 336 |
| Blacksmiths & Forgemasters | 476 | | Burglar & Intruder Alarm Systems | 1962 |
| Blast Cleaning | 498 | | Bus & Coach Operators & Stations | 902 |
| Blast Cleaning Equipment Mnfrs | 22 | | Business & Management Consultants | 6252 |
| Blinds, Awnings & Canopies | 1665 | | Business & Trade Organisations | 1344 |
| Blood Donor Services | 22 | | Business Centres | 1180 |
| Blood Stock Agents | 31 | | Business Enterprise Agencies | 291 |
| Boarding Kennels & Catteries | 2929 | | Business Information Services | 205 |
| Boat Charter, Rental & Leasing | 354 | | Business Machine Repairs | 56 |
| Boat Cleaning Services | 9 | | Business Transfer Agents | 209 |
| Boat Equipment & Accessories | 171 | | Butchers | 8219 |
| Buttons & Buckles | 44 | | Butchers' Equipment & Supplies | 56 |