Search
Search Advertising encompasses the paid placement of advertisements on search engine results pages (SERPs) and the broader ecosystem of search-intent monetization.
What is a Search?
Search is a digital media channel where users submit queries to search engines and receive ranked results composed of organic listings and paid placements; marketers engage via search engine optimization (SEO) and search engine marketing (SEM) to capture intent-driven traffic. It depends on indexing, ranking algorithms, keyword relevance, bid auctions for paid ads, and SERP features across global engines such as Google, Bing, Baidu, and Yandex.
Key Search Companies
iProspect
Global dentsu media agency for performance-led digital marketing.
NetzwerkReklame
German digital marketing agency for cross-channel media planning and execution.
Citiservi Media
Spanish adtech and local media platform for data-driven advertising.
KDM – Kontor Digital Media
German digital media agency for planning, buying and campaign optimisation.
Hearts & Science
Media agency for planning, buying and measuring cross-channel campaigns.
Mediaplus
Global media agency offering planning, buying, analytics and AI-enabled consulting.
DCMN
Managed growth marketing agency focused on cross-channel video performance.
Dstillery
Predictive audience targeting and activation software for programmatic buyers.
Perion
Omnichannel adtech platform for advertisers, agencies and publishers.
Smarketer
Performance marketing agency focused on Google and Microsoft advertising.
Appier
AI software for advertising, personalisation and customer data activation.
DataWave
Israeli AdTech firm combining DSP, ad serving, services and owned media.
Mars Media Group
Programmatic media services and SDK-based publisher monetisation provider.
Alphabet
Digital platform conglomerate centred on advertising, media and software.
Astound Digital
Enterprise commerce consultancy for experience, integration, and growth.
hurra.com™
German performance marketing agency with proprietary analytics and fraud tools.
Mindshare Germany
German media agency for planning, buying and analytics.
Scorpion
AI-enhanced marketing platform and services for local service businesses.
Brave Bison
Digital marketing group spanning services, consultancy and owned media monetisation.
Ad.com
Performance adtech platform spanning search, contextual, video and publisher monetisation.
Smartly
Cross-channel advertising software for creative, media and measurement.
TRG – The Reach Group
German digital media agency for performance, programmatic and analytics.
Veepee|ad
Retail media network activating shopper data across owned and off-site media.
web-netz
German digital agency for performance marketing and web development.
Basis Technologies
Omnichannel media buying and workflow platform for advertisers and agencies.
DOUGLAS Marketing Solutions
Retail media sales house for beauty brands within DOUGLAS.
Infomo
Adtech platform for media buying, data activation and telco monetisation.
Sunday Market
Performance marketing and digital publishing operator focused on leads and calls.
Tinuiti
Performance marketing agency with proprietary measurement technology.
Ad360
Unified DSP and creative automation platform for e-commerce advertisers.
BlueOak
Cross-channel media optimisation software and performance buying services.
Direct Digital Holdings
Dual-sided adtech platform for publisher monetisation and media buying.
fischerAppelt
Integrated German agency group for communications, media and digital delivery.
Local Planet
Independent global network of founder-led media agencies.
Nivoria
Data-backed digital marketing agency for email, media buying and growth.
PTA Group
Boutique Slovak digital marketing agency for strategy, media and growth.
Thryv
SMB software platform combining CRM, marketing, scheduling and payments.
Yahoo
Consumer media platform with owned audiences and advertising technology.
Deloitte Digital
Enterprise digital consultancy combining strategy, creative, technology and marketing operations.
dentsu
Global agency network combining media, creative, CX and identity technology.
Digital Group
Spanish full-service digital marketing and consulting agency.
KUBICO
iGaming-focused performance agency with a proprietary audience activation platform.
MAI Group
Digital marketing group combining agency services, analytics, affiliate tools and AI.
Moore
Nonprofit fundraising platform combining donor software, data and managed services.
Titan Digital Marketing
Full-service agency for SEO, content, social, web and local growth.
Artefact
Data and AI consultancy serving enterprises and marketing teams.
Elevation Marketing
B2B agency for channel marketing, media, martech and analytics.
Koddi
Commerce media infrastructure and enterprise advertising software provider.
How Search fit into the ecosystem
Think of search like a busy intersection where users arrive with explicit intent and your content or ads meet them at that moment. You buy visibility through keyword-based auctions for paid placements and earn visibility through on-page, technical, and authority signals for organic results; both occupy the same SERP and influence click behavior. Measurement mixes clicks, conversions, and attribution models, so you use platforms like Google Ads, Microsoft Advertising, analytics suites, and SEO tools to tune bids and content. Relevance and timing drive ROI more than broad reach, so continuous keyword, bid, and content optimization is the day-to-day grind.
Market structure and positioning
A few platform owners control most paid inventory—Google dominates many markets while Bing, Baidu, Yandex and regionals retain local share—making the ecosystem platform-centric. Buyers include brands, e-commerce, local businesses and agencies who purchase auction-based ads or invest in organic search; many rely on agencies or in-house SEM/SEO teams to operate campaigns. Sellers are the search platforms and publishers that appear in organic listings; technology vendors, analytics providers and SEO toolmakers shape strategy and performance. Intermediaries—adtech vendors, bid management tools and analytics agencies—bundle buying, optimization and reporting, while regulators and privacy rules influence targeting and data availability.

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