Every click is an investment. Paid search places a brand in front of users at the precise moment they are expressing a specific intent — reaching potential customers when they are actively searching for a service, a product or a solution.

The investment is immediate, the results are traceable, and the return on every euro spent can be measured with a precision no other advertising channel can match. Yet the apparent simplicity of paid search conceals a discipline of considerable depth. Managing a campaign well requires a deep understanding of the competitive landscape, continuous optimisation of bids and ad copy, rigorous control of landing pages, and systematic analysis of performance data.

Global paid search spend is set to reach 306 billion dollars in 2026, driven by expanding ad inventory, rising CPCs and the entrance of AI-powered search engines into the advertising ecosystem. In this environment, the difference between a campaign that generates profitable returns and one that consumes budget without producing results is almost never the size of the investment: it is the quality of the management.

Esario has been managing paid search campaigns for over twenty years, with a particular specialisation in the Hotels and travel industries — combining sector depth, multilingual capability and a methodology that integrates campaign management with UX and conversion optimisation.

Esario's approach to Paid Search

Whether a client is launching paid search for the first time or looking to improve the performance of existing campaigns, Esario brings a structured and transparent methodology to every project. The starting point is always the business objective, not the platform: direct online bookings, lead generation, brand visibility, re-engagement of existing customers? The answer determines the campaign architecture, the bidding strategy, the choice of platforms and the definition of the conversion events that will measure success.

Campaign setup and structure

Keyword research and competitive analysis define the semantic territory the campaign will cover and the structure that best reflects the client's service offering. A well-organised campaign structure is not an administrative detail: it is the condition that makes every subsequent optimisation more effective.

Bid management

Esario manages bids across all major platforms — Google Ads, Microsoft Advertising (Bing Ads), Facebook Ads or Metasearch Engine (Google Hotel Ads, Trivago, TripAdvisor, Kayak…) balancing automated bidding strategies with human oversight to ensure that the algorithms are fed with the right signals and that their decisions are aligned with the client's actual business objectives.

Ad copy optimisation

Writing, testing and continuously refining the text and assets of each ad to maximise click-through rates, improve quality scores and lower cost per click. The relevance of an ad to the keyword it targets and the page it leads to is one of the most powerful levers for improving campaign efficiency without increasing spend.

Landing page selection and testing

Esario ensures that the pages users land on after clicking an ad are aligned with the intent expressed in the search query and optimised for conversion. Our competence in UX and usability design is a direct advantage here, allowing landing page quality to be evaluated and improved with the same rigour applied to the campaign itself.

Display advertising and remarketing

Display advertising extends the reach of paid search campaigns through text ads, banners and video formats placed across Facebook Ads or Google Display Network reaching users who have not yet searched but match the target audience profile, or who have previously visited the client's site and can be re-engaged through remarketing.

Reporting

Delivered on a weekly or monthly basis, covering click volumes and traffic evolution, keyword rankings and impression share, conversion rates and cost per acquisition, click fraud monitoring, and the evolution of the competitive landscape. The objective is not to produce reports that describe the past, but to generate the insights that guide decisions about the future.

Pricing models

Esario offers two pricing models, designed to align the agency's incentives with the client's business objectives.

For brand campaigns and awareness-focused activity, Esario charges a percentage of the advertising budget or a fixed management fee agreed in advance, varying according to the scale and complexity of the campaign. Pricing is discussed during an initial consultation based on the specific objectives and scope of each project.

Paid Search in 2026: navigating the AI revolution

The paid search landscape is undergoing its most significant transformation since the introduction of the auction model itself. Smart Bidding has become more powerful and more prevalent, using machine learning to optimise conversions and conversion value in real time across auctions. First-party data has quietly become the sharpest competitive edge — more impactful in many cases than budget size alone — as third-party cookies are phased out and regulatory scrutiny intensifies globally.

Performance Max now controls budget allocation across six Google channels simultaneously. The key lesson from 2025 is that it works well, but only when the signals fed into it are right: if you are not putting good data in, you will not get good results out.

The impact of AI search on paid advertising is already measurable. Paid click-through rates for queries with AI Overviews dropped sharply between 2024 and 2025, as AI-generated answers absorb informational queries directly on the search results page. This is driving a strategic reallocation of budgets towards lower-funnel, high-intent searches and stronger audience targeting — where paid search remains highly effective precisely because it intercepts users at the moment of decision.

Esario integrates all of these developments into its campaign management methodology: feeding Smart Bidding and Performance Max with structured first-party data, building audience segments from CRM and booking data, maintaining campaign structures that give clients meaningful control over where their budget is spent, and monitoring the impact of AI search on impression share and conversion rates to adjust strategy in real time.

Paid Search and Artificial Intelligence

Beyond the platform-level AI embedded in Google Ads and Microsoft Advertising, Esario uses AI tools across the full campaign management workflow.

In keyword and audience research, AI models identify semantic patterns, emerging search trends and intent clusters that manual research would miss — allowing campaigns to be positioned ahead of shifts in search behaviour rather than catching up to them.

In ad copy development, AI-assisted creative tools generate and test large volumes of headline and description variants, accelerating the identification of the combinations that produce the highest engagement for each target audience and intent signal.

In performance analysis, AI-powered reporting tools process campaign data across platforms to surface actionable insights, identifying the micro-optimisations that compound into significant efficiency gains over time.

In fraud detection, automated monitoring systems flag anomalous click patterns in real time, protecting the advertising budget from invalid traffic and ensuring that reported conversions reflect genuine user intent.

Human strategic oversight remains the constant. AI amplifies the speed and depth of analysis, but the decisions that determine where a client's budget is invested are always made by experienced professionals who understand both the technology and the sector.