Mac Support (-/- )

Magazine Publishing (1/- )

Magazines and Newspapers (4/- )

Magicians (-/- )

Make-Up Artists and Services (-/- )

Malaysian Restaurants (-/- )

Management and Business Consultants (-/- )

Management Consultancy (-/- )

Manufacturing (-/10 )

Equipment, materials and manufacturing services in Sussex

Market Research (6/- )

Marketing (1/- )

Marketing and Advertising Consultants (1/- )

Marketing Consultants (-/- )

Marquee and Tent Hire (-/- )

Martial Arts (-/- )

Massage (-/- )

Maternity Wear (2/- )

Mattress Cleaning (-/- )

Mattresses and beds (-/- )

Media & Marketing (24/57 )

Marketing, advertising and branding services for every business

Mediation (-/- )

Medical Insurance (-/- )

Medical Supplies (-/- )

Meeting Rooms (1/- )

Men's Hairdressers (-/- )

Menswear (11/- )

Menswear Hire (-/- )

Mercedes Car Specialists (-/- )

Metal Restoration and Maintenance (-/- )

Metalwork (-/- )

Mini Bus Hire (-/- )

Mirrors (-/- )

Mobile Bars (-/- )

Mobile Discos and DJs (-/- )

Mobile Hairdressers (-/- )

Mobile Homes (-/- )

Mobile Mechanics (-/- )

Mobile Phone Repairs (1/- )

Mobile Phones (15/- )

Mobile Tanning (-/- )

Mobile Tyre Fitter (-/- )

Mobility Products (-/- )

Model Agencies (-/- )

Model and Fashion Photographers (-/- )

Model Shops (-/- )

Mortgage Brokers (-/- )

Mortgages (-/- )

MOT Test Centres (-/- )

Motor Sports (-/- )

Motorcycle Accessories, Parts and Clothing (1/- )

Motorcycle and Scooter Dealers (-/- )

Motorcycle Insurance (1/- )

Motorcycle MOT Test Centres (-/- )

Motorcycle Repairs and Service (-/- )

Motorcycle Training and Testing (-/- )

Motorcycles (-/- )

Motorhomes (-/- )

Motoring Clubs and Associations (-/- )

Multimedia Services (-/- )

Murder Mystery (-/- )

Museums (-/- )

Music and Dance Workshops (-/- )

Music Groups (-/- )

Music Management and Promotion (-/- )

Music Schools (-/- )

Music Shops (8/- )

Music Studios and Practice Rooms (-/- )

Music Teachers (-/- )

Musical Instrument Tuning and Repair (-/- )

Musical Instruments and Tuition (-/- )

Musicians (-/- )