Company

Why C Wire exists.

Ten years spent learning how to read what a web page is actually about, and building the system that does it at scale.

01C Wire in figures

200+
Advertisers served
500+
Publishers
30B+
Monthly impressions
9
Markets

02The system

Reads

The crawler

Every page and every video, read before any bid.

Remembers

Content Graph

Every page we have read and vectorised.

Placement Graph

Every placement we have measured.

Decides

MatchPersona

Who the campaign is for.

Buys

MatchOutcome

Only what we have read, at the agreed price.

The supply beneath

Trusted Web

Publishers under direct contract. Everything above stands on this.

C Wire is a contextual advertising company. We build and run the system that reads the web for advertisers: the crawler that reads pages, the record of what each page is about, the record of how each ad slot performs, and the software that decides where an ad belongs and what an impression is worth. This page is about the people who run it, the way we work, and where to reach us.

What we believe

An impression is only worth buying when you know what surrounds it.

Not the reputation of the site, and not a category label from a list: the individual page, read in full. That is the belief the whole company is built on.

Around the product sits the supply: publishers under direct contract, screened against published criteria, with their ad slots checked one by one.

Page record

About
Language
Tone
Substance
Commercial conflict
MatchPersona

BrandDNA

Eligible to buy

Stop before the bid

How we work

Advertisers hear what we will not do as plainly as what we will. Publishers get the criteria in writing. Where we cannot do something, the site says so. The team is deliberately small and senior, with engineering, commercial and editorial judgment sitting close together.

We publish our standards

We log our removals

We state our boundaries

Zürich, where C Wire is based.

Questions

C Wire, explained

What is C Wire?

A Swiss advertising technology company, headquartered in Zürich, that reads content and builds agentic personas so brands reach the people they need on 500+ audited European publishers and on YouTube, without cookies or user identifiers.

Where does C Wire operate?

Across nine European markets, with Switzerland, Germany, Austria and France as the core.

What is C Wire's approach in one sentence?

Start from the brand: BrandDNA and CampaignDNA are the context, MatchPersona decides who to reach and where they spend attention, and every impression is bought on content that has been read.

Does C Wire use personal data?

No. The system reads content, never people. Personas describe groups through life situation and attention, and reporting contains no user-level data.

How can I work with C Wire?

Managed by C Wire, self-service in the Console, deals into your own buying platform, or through your own AI agents over MCP or AdCP. Start with a brief: a brand, an objective and the metric you are measured on.