София.

В София има 485 фирми.

Фирма	Работно време
Market Links
Market Trend
Marketing Creative Lab
Mate Advertising
Mechkuev Design Ltd.
Media Club
MediaBasket
Mediapost Hit Mail Bulgaria
MEmotion
Metrix Digital
Metropolis Outdoor Media Group
Metroreklama
MG International
Mindblow Agency
Minds Studio
Modulate Bulgaria
Much Better
My Sign.bg
MyDigital.World
Nevsky Web Studio
New Moment Sofia
NewRank
NikitovDesign
Nitram
No Comment Group
Normal Sofia
Number One Advertising and Publishing Agency
Office1 Pavlovo Sofia
oh yeah: design collective
Onboard
Overtop Agency
Pandavision
Performance Bay
Performance Snatch
Phototapeti.com
Pixel House Studio
Pixel That Marketing
Positiva Nova
PR Care
PR Lazarov
PR Play Agency
Pragmatika
Prima Agency
Princeps Advertising
Print Hall
Printacar
Prodacta
Propaganda Group
PRoPR Agency
Proximity Sofia