MediaSquare
MediaSquare is a French publisher-backed digital advertising marketplace that aggregates 400+ premium French media sites, offering programmatic self-service and managed buying via server-side header bidding to advertisers seeking brand-safe French audiences.
- Company typePrivate
- Founded2012
- HeadquartersParis, France
- Headcount1–10
- GTM typeB2B
- OfferingDigital Commerce or Content
What MediaSquare does
MediaSquare is a French digital advertising marketplace that connects advertisers with premium inventory from major French media publishers. Founded by large French publishing houses and headquartered in Paris as a private SAS with €1,160,000 in registered capital, the company aggregates access to more than 400 French media sites and applications, delivering approximately 1 billion daily ad impressions and reaching 9 out of 10 French internet users each month. Its supply is concentrated exclusively in France, and its publisher relationships grant direct access to brand-safe, premium editorial environments.
The company operates a dual product and distribution model. On the technology side, MediaSquare runs a proprietary server-side header bidding solution that enables publishers (Clients) to commercialize their ad inventory from MediaSquare's server, complemented by an integration layer spanning major SSPs (Magnite, Pubmatic, Equativ), DSPs (Criteo, Adform), and data partners (Xandr, Sublime, MediaGrid). On the demand side, the AdMe self-service platform allows advertisers to buy inventory across 468 websites and applications via CPM or CPC with credit-card payment, while a parallel managed-service channel handles enterprise insertion orders with dedicated account support. Targeting capabilities include 3,000+ audience segments, 108 geographic zones, 15 thematic channels, cookie-free AI-powered contextual targeting, and an exclusive SambaTV partnership for TV-complementary targeting based on campaign exposure.
MediaSquare monetizes primarily through marketplace commissions on programmatic advertising transactions and managed services revenue from publishers. Pricing is partially transparent: self-serve AdMe operates on transaction-based CPM or CPC, while enterprise insertion orders are quote-based under multi-year engagements. The company is a member of Alliance Digitale and IREP, holds GDPR and French Data Protection Act compliance with Article 26 co-processing agreements, and is led by legal representative Marianne Siproudhis and Director of Publication Erwan Le Page. No external funding rounds, revenue figures, or M&A activity are disclosed.
MediaSquare firmographics
Firmographics- Name
- MediaSquare
- Legal name
- Media Square
- Website
- https://laplacemedia.com
- Company type
- Private
- Founded year
- 2012
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- MediaSquare is a French publisher-backed digital advertising marketplace that aggregates 400+ premium French media sites, offering programmatic self-service and managed buying via server-side header bidding to advertisers seeking brand-safe French audiences.
- Ownership category
- akta.pro rank
MediaSquare industry classification
Industry- Product category
- Digital Advertising Marketplace
- NAICS
- Media Buying Agencies (54183), Advertising Agencies (54181), Media Representatives (541840)
- SIC
- Services-Advertising Agencies (7311), Services-Advertising (7310)
- akta.pro primary industry
- Media Planning, Buying & Optimization (BPAFAAAC)
- akta.pro secondary industries
- Media & Audience Measurement Analytics (BPAHALAO), Audience Measurement & Media Research (Ratings, Attribution, Media Mix Insights) (MPAAALAM)
Keywords
Where MediaSquare is headquartered
LocationHeadquarters
- HQ city
- Paris
- HQ country
- France
- HQ region
- Europe
Offices2 records
Markets served
MediaSquare business model
Business model- GTM type
- B2B
- Offering type
- Digital Commerce or Content
- Cost components
- Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure
Revenue model
- Programmatic Advertising Commission: Media Square operates as a marketplace platform connecting advertisers with premium French publisher inventory. The company earns revenue by facilitating programmatic advertising transactions between publishers (who commercialize ad space) and advertisers (who purchase impressions). Revenue is generated through commissions on advertising transactions conducted via the server-side header bidding technology and AdMe platform.
- Publisher Services: Services provided to publishers (Clients) for commercializing their available advertising space on their websites via Media Square's server infrastructure.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Transaction based/ take rate | Pay-as-you-go | Self-serve programmatic (AdMe) with CPM or CPC billing |
| Other | Multi-year contract | Insertion Order (managed service) |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels1 record
MediaSquare product offering
Product offeringCore offering
MediaSquare operates a digital advertising marketplace that connects advertisers with premium French publishers across internet, CTV, mobile, tablet, and desktop channels. The platform combines a self-service programmatic access point (AdMe) with server-side header bidding technology, offering advertisers access to over 400 French media sites and applications delivering 1 billion daily ad impressions. Publishers monetize their digital advertising inventory through Media Square's server infrastructure, while advertisers can purchase media via self-service (CPM/CPC) or managed insertion-order engagements.
Product overview
Media Square operates as a unified platform combining a premium digital advertising marketplace with a self-service SSP (Supply-Side Platform) called AdMe, along with multiple targeting modules. The core Media Square Marketplace provides access to 400+ French media sites and applications with 1 billion daily impressions, while AdMe offers self-service programmatic access to 468 publishers. The platform integrates complementary targeting solutions including Audience Targeting (3,000+ segments), TV Complementarity (SambaTV partnership), Geographic Targeting (108 areas), and Contextual Targeting (15 thematic channels + AI-powered contextual intelligence), all delivered via server-side header bidding technology.
Differentiator
Problem solved
Functional benefit
Brands
- AdMe: Self-service advertising platform providing direct access to French publisher inventories across 468 websites and applications, with targeting options and multiple ad formats.
Products and services
- Media Square Marketplace Premium digital advertising marketplace connecting advertisers with French media inventory across all touchpoints (Internet, CTV, mobile, tablet, desktop), offering 400+ sites and applications with 1 billion daily ad impressions reaching 9/10 French internet users monthly. Built for advertisers (brands, agencies) and French publishers seeking brand-safe programmatic and managed-service inventory monetization.
- AdMe Self-Service Platform Self-service programmatic advertising platform providing direct access to French publisher inventory across 468 websites and applications. Supports three ad formats (300x250, 300x600, 320x480), two purchasing modes (per CLICK or per CPM), and targeting by context, user profile, or geography across 108 geographic zones. Designed for mid-market advertisers needing autonomous access to premium inventory.
- Server-side Header Bidding Solution Proprietary server-side header bidding solution enabling publishers (Clients) to commercialize their advertising inventory from Media Square's server, facilitating real-time programmatic auctions. Operates under a GDPR co-processing agreement with clients. Designed for French publishers seeking efficient inventory monetization.
- Audience Targeting Targeting solution offering 3,000+ audience segments including socio-demographic criteria, interests, purchase intentions, and life stages (birth, moving, etc.), activated with user consent. Enables advertisers to reach defined audiences across the Media Square network of premium French publishers.
- TV Complementarity Exclusive targeting solution in partnership with SambaTV that targets internet users based on their exposure or non-exposure to TV campaigns. Enables advertisers to boost coverage by reaching non-exposed users and increase conversion by delivering CTAs to TV-exposed users, linking TV and digital campaign dynamics.
- Contextual Targeting Site and article-level targeting using 15 thematic channel frames, with cookie-free AI-powered contextual intelligence that selects relevant content pages beyond traditional thematic sites. Supports B2B targeting using professional criteria for B2B advertising campaigns.
- Geographic Targeting Campaign activation across specific population basins at national or local level through Media Square's extensive French publisher network, covering 108 geographic targeting zones in France.
Quantifiable outcome
- 400+ premium French media sites and applications accessible through one marketplace
- +2 more outcomes
Companies that use MediaSquare
Customer profileNamed customers1 record
Segments3 records
Ideal customer profiles3 records
MediaSquare technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
MediaSquare partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered key and core.
- Alliance DigitalekeyMedia Square is an active member of Alliance Digitale, a digital advertising industry organization in France. This membership indicates strategic alignment with industry standards and best practices in digital media and advertising.
- IREP (Institut de Recherche et d'Etudes Publicitaires)keyMedia Square is an active member of IREP, the French Institute for Research and Publicity Studies, demonstrating commitment to research and industry knowledge in advertising and media.
- SambaTVcoreExclusive partnership for TV complementary targeting. Media Square can target internet users based on their exposure or non-exposure to TV campaigns. This enables advertisers to boost coverage by targeting non-exposed users, increase conversion by delivering CTAs to exposed users, and leverage market dynamics from TV advertising.
Scale indicators7 records
Recent moves6 records
Expansion highlights6 records
MediaSquare competitors and assessment
Company assessmentRegional players
- Criteo: France-founded global ad-tech company (retargeting and commerce media). Listed as a data partner of MediaSquare; comparable as a French-founded ad-tech firm with audience-targeting DNA, though it operates at global scale and a different business model focused on retargeting and retail media.
- France Télévisions Publicité: Ad sales house for France Télévisions group, representing broadcaster inventory across digital and TV. Comparable to MediaSquare as a French premium-inventory monetization channel operating under similar brand-safety logic, but tied to a single broadcaster group rather than aggregating many publishers.
- Lagardère Publicité / Lagardère Travel Retail: French media-group advertising sales house representing Lagardère's press, radio, and digital inventory. Comparable to MediaSquare as a French premium-publisher monetization channel serving advertisers with consolidated media buying, but vertically integrated within a media group rather than independent.
Direct peers
- Teads: French-founded global SSP specializing in premium video and display inventory monetization for publishers. Directly comparable to MediaSquare as a SSP serving premium European inventory with header-bidding technology, though Teads has global scale and a stronger focus on outstream video.
- Magnite: World's largest independent SSP following the Rubicon Project/Telaria merger. Directly comparable to MediaSquare as a header-bidding and CTV-focused SSP partnering with the same DSPs, but with global scale and stronger CTV specialization.
- Pubmatic: Global independent SSP providing header bidding and programmatic monetization infrastructure to publishers. Directly comparable to MediaSquare as a SSP with header bidding, supply-path optimization, and multi-format capabilities, though operating globally rather than France-only.
- Equativ (formerly Smart AdServer): French-headquartered independent SSP and ad server serving premium publishers across Europe. Directly comparable to MediaSquare as a premium-publisher-focused SSP with header bidding and audience-targeting capabilities, though it operates pan-European and supports richer formats including video and CTV.
- Index Exchange: Global independent SSP operating a header-bidding exchange for premium publishers. Directly comparable to MediaSquare as an SSP with server-side header bidding and premium-inventory focus, but at significantly larger global scale.
- OpenX: Independent global SSP and ad-tech platform serving premium publishers. Directly comparable to MediaSquare as an SSP with header bidding, audience data, and CTV capabilities, though OpenX operates across multiple geographies.
Emerging players
- Weborama: French audience-data and semantic-targeting company providing audience segments and contextual targeting. Comparable to MediaSquare as a French ad-tech player with deep audience-segment capabilities and semantic AI targeting, but Weborama focuses on data and activation rather than supply-side marketplace aggregation.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks7 records
Key highlights7 records
Customer concentration
MediaSquare social profiles
Digital presenceMediaSquare compliance and trust
Trust signalCompliance2 records
MediaSquare financial estimates
Financial estimateRevenue estimate
Valuation estimate
MediaSquare leadership team
Management profileNumber of profiles
Profiles2 records
MediaSquare funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
MediaSquare M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about MediaSquare
What does MediaSquare do?
MediaSquare operates a digital advertising marketplace that connects advertisers with premium French publishers across internet, CTV, mobile, tablet, and desktop channels. The platform combines a self-service programmatic access point (AdMe) with server-side header bidding technology, offering advertisers access to over 400 French media sites and applications delivering 1 billion daily ad impressions. Publishers monetize their digital advertising inventory through Media Square's server infrastructure, while advertisers can purchase media via self-service (CPM/CPC) or managed insertion-order engagements.
Is MediaSquare a public or private company?
MediaSquare is a private company. It is classified as corporate owned and is currently operating.
When was MediaSquare founded?
MediaSquare was founded in 2012. It employs 1 to 10 people.
Where is MediaSquare based?
MediaSquare is headquartered in Paris, France, in the Europe region.
How does MediaSquare make money?
Two revenue lines are on record. Programmatic Advertising Commission is the primary driver. The others are publisher Services.
Who are MediaSquare's main competitors?
Regional players on record are Criteo, France Télévisions Publicité and Lagardère Publicité / Lagardère Travel Retail. Direct peers are Teads, Magnite, Pubmatic, Equativ (formerly Smart AdServer), Index Exchange and OpenX. Weborama is listed as an emerging player.
Does MediaSquare have an API?
No public API is recorded for MediaSquare.
What industry is MediaSquare in?
MediaSquare's product category is Digital Advertising Marketplace. Its primary akta.pro industry code is BPAFAAAC, Media Planning, Buying & Optimization, with a secondary code of BPAHALAO, Media & Audience Measurement Analytics. Its NAICS code is 54183 and its SIC code is 7311.