София.

В София има 485 фирми.

Фирма	Работно време
PVDigital
Radostna
Ralev
Ralev.com
Rapan.Studio
Red Lemon Marketing Ltd.
Red Lion Sofia
Reforma Advertising
Remark Consulting
Right Direction
Right Image
Russinov Design
Sales Scout
Salesman.BG Ltd.
ScoutAround.io
Sfera Dizayn
She Promotions
SignMaker
Simple Graphics
Simply Social Studio
Ska Vision
smart Communications
Smart Media Ltd.
Smile Agency
spacefarm
StandX LTD
Staves Bulgaria
StorePixel
Studio 73
Studio Zlaten Vek
Subscribe BG
Supernovabrand
Symbol Media Group
Talentmedia Bulgaria
TeniskiBG
The Dots Agency
The Huts Group
The Locals
The Smarts
This is Noble
Topweb.bg
TrustPoint Agency
UM Sofia
V+O Bulgaria
Vertical 7
Via Agency
Vip Communication
ViProjects
Visa Digital
Vivati Ltd