Understand the situation
We review the data, identify what matters, and agree on a plan your team can use.
Independent performance agency · Gothenburg · Since 2015
Performance marketing, managed as one.
We bring media, data, technology, search, and creative together to support profitable growth.
View our services
Separate specialisms.
One shared plan.
How we work
Marketing is complex.
Our job is to make it manageable.
Set shared priorities across every discipline.
The strategy stays intact through delivery.
Measure, learn, and improve continuously.
Selected clients
A few companies we have worked with.
Gothenburg · Since 2015
Services
Senior expertise across the full programme.
Engage us for a specific need or for a broader programme. In both cases, we keep the work aligned with your commercial priorities.
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Make every placement justify its cost.
We plan, buy, and refine media around the outcomes your business actually needs — with channel expertise and independent measurement built in.
Paid social strategyMeta AdsTikTok AdsSnapchat AdsPinterest & Reddit AdsPaid search
Learn about Media 01
Make every placement justify its cost.
We plan, buy, and refine media around the outcomes your business actually needs — with channel expertise and independent measurement built in.
Paid social strategyMeta AdsTikTok AdsSnapchat AdsPinterest & Reddit AdsPaid search
Learn about Media Paid social platforms
MetaInstagramTikTokSnapchatPinterestReddit
A new advertising channel
ChatGPT Ads for conversational search.
We help brands assess and use ChatGPT Ads as part of their wider media strategy, with clear planning, relevant creative, and appropriate measurement.
Learn about ChatGPT AdsDefine the role
Establish where the channel fits your audience, customer journey, and commercial goals.
Develop relevant creative
Develop clear messages suited to a conversational environment.
Measure and improve
Connect activity to meaningful actions and adjust the work as the evidence develops.
Representative briefMulti-market commerce
A shared view of performance across markets.
An example of how we can coordinate acquisition, measurement, and creative development across several markets.
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shared measurement model
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markets aligned
Illustrative example — not a published client result.
See how we workWhy clients choose Zalster
Good performance requires both a clear overview and attention to the details.
Independent
Advice based on your goals, not a platform’s sales targets.
Coordinated
Specialists working to the same priorities, without unnecessary handovers.
Considered
We check the reasoning before recommending a course of action.
One coordinated programmeIndependent Gothenburg agency · Since 2015
More than ten years of change has made us less interested in shortcuts.
Zalster was founded in 2015. The tools have changed quickly since then, while the need for clear priorities, dependable measurement, and well-executed work has remained.
Platforms will change
We have seen channels, formats, and algorithms come and go. The strategy still needs to work after the next product update.
The business is the reference point
Platform data is useful, but margin, customer quality, and realised sales decide whether the work creates value.
Experience should stay close to delivery
Senior specialists remain involved in analysis, implementation, and ongoing decisions—not only the first meeting.
Start a conversation
Let’s discuss your next growth priority.
Tell us what you are working on. We’ll look at the evidence, discuss the assumptions, and suggest a practical next step.