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Case studies

Content marketing case studies

What I worked on, how I approached it and what came out of it, from skincare content strategy to social media growth, Google Ads and AI video ads.

Bline Skincare

Skincare · Content strategy · Online visibility

The challenge

A skincare brand whose expertise needed to come across clearly online, so people could trust them before a first appointment or purchase.

What I did

Built the content direction around the real questions skincare clients ask, and mapped it across the full client journey, from awareness to retention.

The result

A move away from random posting toward a clearer, trust-first strategy, shaped by real treatment room experience.

"The way she explains everything to us as beginners makes it easy to understand what you can do and how everything works. Definitely worth 5 stars!"Naomi & Tio, Founders @ BLINÉ SKINCARE

Grandma Nomad

Social media management · Video editing · Storytelling

The challenge

A strong personal story with no content system and no channels yet, starting from zero.

What I did

Launched and managed YouTube, TikTok, Instagram and Facebook, edited short-form video, and tested hooks and formats against the analytics.

The result

A consistent, human content engine that grew without a loud persona or chasing trends.

125,667

views in 6 months

58,567

impressions

8,160

views on the top video

257

subscribers

PowerOak

Google Ads · Conversion tracking · Landing pages

The challenge

A broad energy product catalogue, unreliable conversion tracking and landing pages that weren't pulling their weight.

What I did

Fixed the conversion tracking in two appointments, then worked on ad copy, campaign priorities, product copy and landing page direction.

The result

A clearer path from search to ad to landing page, with budget decisions tied to reliable data.

928K

impressions

19.5K

clicks

305

conversions

€7.62K

ad spend, Jul–Sep 2025

TerraShield

AI video ads · Creative strategy · Workflow

The challenge

More video ads were needed, more often, without every concept being slow or expensive to produce.

What I did

Researched the product, set clear rules for the AI visuals, wrote the ad concepts and scripts, and built a review process for the client.

The result

A repeatable AI video ad workflow, with concepts that can be tested, revised and scaled.

"I work with Thirza on a regular basis, always correct and providing fast service! Definitely recommended ;)"Kevin Nelen, CEO @ TerraShield

How I work

A content system that sounds like you and keeps running

  1. 1

    Your voice first

    I build a voice profile from your own words and recordings, so the content starts from how you really talk to your clients.

  2. 2

    One shared plan

    Ideas, scripts and the content calendar live together in Notion, so you can see what's coming and give feedback in one place.

  3. 3

    AI for speed, edited by hand

    Custom Claude workflows turn one recording into weeks of content, and I edit everything by hand so it stays yours.

  4. 4

    Learn from the numbers

    We review what your clients actually respond to, and each new batch builds on what worked.

Your next step

Curious what this could look like for your clinic?

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