Gemius
Gemius is a Warsaw-based digital audience measurement and cross-media analytics company serving publishers, media agencies, and advertisers across 30+ markets via proprietary hybrid methodology combining site-centric and panel data.
- Company typePrivate
- Founded1999
- HeadquartersWarsaw, Poland
- Headcount251–500
- GTM typeB2B
- OfferingSoftware
What Gemius does
Gemius is a privately-held, digital-native research and technology company founded in 1999 and headquartered in Warsaw, Poland. The company provides audience measurement and cross-media analytics across online, TV, radio, and outdoor (OOH/DOOH) channels, operating in more than 30 markets through 17 regional offices in Europe with a headcount of approximately 300 professionals and a stated customer base of 2,500+.
The company's core technology is a hybrid audience-measurement methodology that fuses site-centric data (collected via tags on websites, stream players, and applications) with user-centric data (from online questionnaires and panelist device-monitoring applications). Two proprietary algorithmic components anchor the platform: Behavioral Panel Synthesis (BPS), which estimates Real Users and removes distortions from multi-device usage, shared devices, and cookie deletion; and Application-Browser merging (AB merging), which deduplicates reach across websites, streaming players, and applications. The portfolio includes gemiusAudience (audience measurement), AdReal (cross-media marketing intelligence), Postbuy (post-campaign analytics), Prism (web/app analytics), Gde (real-time campaign monitoring), AdOcean (ad serving with Dynamic Ad Insertion), Heatmap (engagement visualization), and Mediapanel (Poland's first cross-media single-source survey developed jointly with PBI).
Gemius monetizes through subscription-based licensing of research results (daily/weekly/monthly data files delivered via the e.gemius.com platform) and ancillary professional consulting services. Customers are concentrated among online publishers, media agencies, advertisers, and e-commerce players; named enterprise users include major media holding companies such as GroupM, Publicis Groupe, Wavemaker, OMD, Havas Media, Dentsu, Mindshare, Mediacom, PHD, and Initiative, as well as advertisers like L'Oréal and publishers such as Ringier and Dogan. Its hybrid methodology and panel-based Real Users measurement have been formally recognized as the official or de facto industry currency for digital audience measurement in 10+ European markets.
Gemius firmographics
Firmographics- Name
- Gemius
- Legal name
- Gemius SA
- Website
- https://gemius.com
- Company type
- Private
- Founded year
- 1999
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- Gemius is a Warsaw-based digital audience measurement and cross-media analytics company serving publishers, media agencies, and advertisers across 30+ markets via proprietary hybrid methodology combining site-centric and panel data.
- Ownership category
- akta.pro rank
Gemius industry classification
Industry- Product category
- Digital Audience Measurement
- NAICS
- Marketing Research and Public Opinion Polling (541910)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Quantitative Research & Survey Analytics (Survey Design, Sampling, Statistical Modeling) (MPAAALAF)
- akta.pro secondary industries
- Audience Segmentation, Demographic & Identity Graph Services (MPABAOAH), Data Analytics Integration & Insight Platforms (Research Ops, Dashboards, Insight Repositories) (MPAAALAO), Survey, Panel & Fieldwork Services (BPAHALAJ)
Keywords
Where Gemius is headquartered
LocationHeadquarters
- HQ city
- Warsaw
- HQ country
- Poland
- HQ region
- Europe
Offices12 records
Markets served
Gemius business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure
Revenue model
- Audience Research Services: Subscription-based access to gemiusAudience research results provided daily, weekly, and monthly. Research results enable publishers to gain advertisers' budgets by providing audience data to media agencies and online advertisers.
- Cross-media Measurement Solutions: Comprehensive solutions for e-commerce, publishers, advertising agencies and advertisers including single-source data about online, TV, radio and outdoor consumption.
- Analytics and Planning Tools: Easy-to-use, powerful analytical tools for media planning and optimising online advertising campaigns with online interface and offline analytics app.
- Data and Consulting Services: Business consultations, solutions and recommendations in the area of online business provided by over 300 professionals across 30+ markets.
Go-to-market motion2 records
Distribution channels3 records
Marketing channels5 records
Gemius product offering
Product offeringCore offering
Gemius is a digital-native research and technology company that provides audience measurement and cross-media analytics for online, TV, radio, and outdoor (OOH/DOOH) media consumption. The company sells subscription-based access to audience research results, post-campaign analytics, real-time campaign monitoring, ad-serving technology with Dynamic Ad Insertion, and consulting services to publishers, media agencies, advertisers, e-commerce firms, and joint industry committees across 30+ markets. Its flagship gemiusAudience product uses a proprietary hybrid methodology combining site-centric measurement from tagged websites with user-centric panel data, powered by the BPS algorithm, to deliver cookie-independent Real Users metrics.
Product overview
Gemius is a digital-native research and technology company offering a comprehensive suite of audience measurement and analytics products. The portfolio centers on gemiusAudience, a hybrid methodology combining site-centric measurement (tagged websites, stream players, applications) with user-centric panel data for cross-media audience measurement. Supporting products include AdReal (cross-media marketing intelligence), Postbuy (post-campaign analytics), Prism (web/app analytics), Gde (real-time campaign monitoring), AdOcean (ad serving with DAI), and Heatmap (engagement visualization). The Mediapanel product provides single-source cross-media research for Poland. The company has been developing solutions for over 20 years, with cross-media measurement as a focus since 2018, serving online, TV, radio and outdoor (OOH/DOOH) media consumption measurement including walled garden ecosystems.
Differentiator
Problem solved
Functional benefit
Brands
- gemiusAudience: Internet audience measurement research providing detailed information about digital and traditional media usage along with demographic profiles.
- gemiusAdReal
- gemiusPostbuy
- gemiusPrism
- gemiusGde
- AdOcean
- gemiusHeatmap
- Mediapanel
Products and services
- gemiusAudience Digital audience measurement product providing Real Users data and socio-demographic profiles across online, TV, radio and outdoor platforms. Uses a hybrid methodology combining site-centric data from tagged websites and stream players with user-centric panel data and the proprietary BPS algorithm. Designated as the official digital audience currency in 10+ markets for publishers, agencies, advertisers, and joint industry committees.
- gemiusAdReal
Quantifiable outcome
- Results delivered daily - available the next morning for daily files, Mondays for week files, and by the 5th day of next month for monthly files
- +1 more outcomes
Companies that use Gemius
Customer profileNamed customers15 records
Segments4 records
Ideal customer profiles4 records
Gemius technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
Gemius partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core.
- OOHlifecorePartnership to introduce comprehensive outdoor advertising data in Mediapanel survey. OOHlife provides outdoor advertising data for integration into the cross-media measurement platform.
- YouTubecoreGemius PostBuy partnership with YouTube for post-evaluation analytics of cross-media campaigns. Enables tracking and analysis of advertising performance across YouTube and other media channels.
- PBI (Polskie Badania Internetu)coreJoint development of Mediapanel - Poland's first cross-media single-source survey combining site-centric and user-centric measurement. PBI and Gemius work together on methodology development and market expansion of the research study.
- IAB EuropecoreMember of IAB Europe Transparency & Consent Framework (TCF). Gemius complies with IAB TCF Specifications and Policies. Identification number within this Framework is 328. Participates in global privacy standards development.
Scale indicators10 records
Gemius competitors and assessment
Company assessmentDirect peers
- Comscore: Comscore is a US-listed digital audience measurement company offering cross-platform audience ratings, Comscore audiences, and campaign analytics. Directly comparable to Gemius: both monetize 'currency-grade' digital audience data sold to publishers, agencies, and advertisers.
- Similarweb: Similarweb provides digital audience, website traffic, and app engagement analytics. Overlaps directly with Gemius Prism/GemiusAudience on traffic measurement, competitive benchmarking, and audience demographics for publishers and advertisers.
Broad incumbents
- Nielsen (Nielsen Media): Nielsen is the dominant global provider of TV and cross-media audience measurement. Comparable at the category level: both sell 'currency' audience data to media buyers/sellers; Gemini operates at regional scale where Nielsen operates at global.
- Kantar (Media Division): Kantar's Media division delivers cross-media audience measurement (including Worldpanel) and is a primary competitor to Nielsen globally. Comparable as a broad market research and media measurement incumbent with subscription-based currency products.
- Ipsos: Ipsos is a top-tier global market research firm with significant consumer insights, media, and audience research practice. Comparable as a broad research incumbent that competes with Gemius in many of the same CEE advertiser RFPs.
- GfK (now part of NIQ): GfK provides market research, consumer intelligence, and audience measurement; merged into NIQ in 2023. Comparable as a broad research incumbent whose consumer-panel methodology overlaps with Gemius's BPS panel-based approach.
- NielsenIQ (NIQ): NIQ is the consumer intelligence arm of Nielsen, formed from the spin-off/merger with GfK. Comparable as a broad panel-based market research incumbent that monetizes measurement data across FMCG, retail, and media categories.
Regional players
- Mediamétrie: Mediamétrie is France's official cross-media audience measurement body — directly comparable in business model (currency-provider for a national market with cross-media coverage). Operates regionally (France) where Gemius operates regionally (CEE).
- Effective Measure: Effective Measure delivers digital audience measurement in APAC and MENA, including panel-based and tagged-site methodologies. Comparable to Gemius as a regional digital audience measurement specialist with similar product/customer mix in different geography.
Others
- Statista: Statista is a leading consumer/market research data provider that aggregates and licenses third-party data to enterprises. Comparable as an 'information intermediary' monetizing audience and consumer data, though Statista focuses on syndicated data while Gemius runs proprietary panels.
Market position
Strengths5 records
Weaknesses5 records
Key risks6 records
Key highlights7 records
Customer concentration
Gemius social profiles
Digital presenceGemius compliance and trust
Trust signalCompliance2 records
Gemius financial estimates
Financial estimateRevenue estimate
Valuation estimate
Gemius leadership team
Management profileNumber of profiles
Profiles7 records
Gemius subsidiaries and ownership
Company hierarchySubsidiaries13 records
Gemius funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Gemius 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 Gemius
What does Gemius do?
Gemius is a digital-native research and technology company that provides audience measurement and cross-media analytics for online, TV, radio, and outdoor (OOH/DOOH) media consumption. The company sells subscription-based access to audience research results, post-campaign analytics, real-time campaign monitoring, ad-serving technology with Dynamic Ad Insertion, and consulting services to publishers, media agencies, advertisers, e-commerce firms, and joint industry committees across 30+ markets. Its flagship gemiusAudience product uses a proprietary hybrid methodology combining site-centric measurement from tagged websites with user-centric panel data, powered by the BPS algorithm, to deliver cookie-independent Real Users metrics.
Is Gemius a public or private company?
Gemius is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Gemius founded?
Gemius was founded in 1999. It employs 251 to 500 people.
Where is Gemius based?
Gemius is headquartered in Warsaw, Poland, in the Europe region.
How does Gemius make money?
Four revenue lines are on record. Audience Research Services are the primary driver. The others are cross-media Measurement Solutions, analytics and Planning Tools and data and Consulting Services.
Who are Gemius's main competitors?
Direct peers on record are Comscore and Similarweb. Broad incumbents are Nielsen (Nielsen Media), Kantar (Media Division), Ipsos, GfK (now part of NIQ) and NielsenIQ (NIQ). Regional players are Mediamétrie and Effective Measure. Statista is listed as an others.
Does Gemius have an API?
No public API is recorded for Gemius.
What industry is Gemius in?
Gemius's product category is Digital Audience Measurement. Its primary akta.pro industry code is MPAAALAF, Quantitative Research & Survey Analytics (Survey Design, Sampling, Statistical Modeling), with a secondary code of MPABAOAH, Audience Segmentation, Demographic & Identity Graph Services. Its NAICS code is 541910 and its SIC code is 7370.