Difference between an advertising agency and a communication agency
In short: the advertising agency is historically centred on creating and running campaigns (make known, make sell). The communication agency has a broader scope (PR, content, internal comms, events, image). In practice the lines blur and many agencies do both.
Advertising agency: getting a message across
Advertising aims to promote a product, service or brand via paid campaigns: creative (idea, visual, slogan), choice of media, delivery (TV, outdoor, digital…). Its core: impact and conversion — make known and make act.
Communication agency: managing overall image
Communication covers the whole relationship between an organisation and its audiences: PR, editorial content, crisis comms, internal comms, events, brand identity. Its goal: build and protect an image over time, beyond paid campaigns alone.
The main differences
| Criterion | Advertising agency | Communication agency |
|---|---|---|
| Core craft | Campaigns (creative + delivery) | Image & overall relations |
| Horizon | Often campaign by campaign | Continuous, long term |
| Levers | Paid media, creative | PR, content, events, internal |
| Dominant goal | Awareness, sales | Reputation, image consistency |
In practice: blurred lines
Many agencies call themselves “communication” while doing advertising, and vice versa. 360 / integrated agencies cover both. The right reflex isn’t to choose on the label, but on the real need: a campaign to launch? an image gap to fix? continuous messaging to structure?
FAQ
Does a communication agency do advertising? Often yes: advertising is one of communication’s levers. But a communication agency also covers areas advertising alone doesn’t (PR, internal, events).
Which to choose to launch a product? For a launch campaign, an advertising agency (or the ad arm of an integrated agency) fits. To build a lasting image, a communication agency.
What price difference? It depends on scope more than the label: a one-off campaign and ongoing overall support aren’t billed the same way.
PubliCité France — blog, Agencies. French version: /blog/difference-agence-publicite-communication/