Case studies
Social ads
Thirty-three briefs, from a 1920s homeware brand to a nasal spray start-up and a trauma support charity. Every one is here with what we were asked for, what we built, and — where the case study publishes a figure — what it moved.
Everything else
Showing 8 of 8
Morphy Richards
A heritage appliance brand built on retail, under new ownership. Castle ran its Google Ads at a ROAS of 19 for the online launch and lifted conversion from 0.9% to 3.2%.
19 Google Ads return on ad spend
The Laser Boutique
A family-run personalised gift maker with booming peaks and empty months. Selling for birthdays, anniversaries and thank-yous took it from £350k to £800k in 20 months.
£800k From £350k in 20 months
Celtic Timber
A Welsh timber merchant stuck on the same revenue for two years. Within three months revenue was up 30%, and the store now makes 127% more than it did in 2024.
30% Revenue growth in three months
Arabella Designs
A bespoke sofa maker selling £300k a year. A rebuilt Shopify store, Google Ads and Meta Ads took it past £1.1m in sales within 15 months, with months over £130k.
£1.1m+ Sales within 15 months
Next Gen Charge
A new home EV charger installer, launched from scratch. Meta lead forms, Google Search and an API into the call centre delivered £1.7m in sales in year one at £5 a lead.
£1.7m Sales in year one
Fizzy Whiz
Fizzy Whiz is an online retailer selling a vast range of wholesale supplies to small businesses to make their own bath, body and cleaning products. They came to Castle looking for help maximising their sales…
82% Sales, month-on-month
Geepas
Geepas is a global brand selling a wide range of electrical, homewares, kitchenware and beauty/personal care appliances. They came to Castle looking for help to maximise conversions through their eCommerce…
126% Sales, last 7 days
Home and Garden Extras
Home and Garden Extras is an online store selling gardening supplies and related products. They came to Castle looking for help increasing their overall revenue and stopping the declining sales they had been…
44% Conversion rate, 90 daysNothing filed under that yet.