Case studies
Real brands that used a marketing tool and saw it work. We explain what they did, with its technical mechanism, its numbers and its sources, and how it applies to other businesses. North did not take part in this work: these are analyses of public case studies.
The strongest results
Six results that show how far a well-used tool can go.
All case studies at a glance
The tool, where it happened and the most important result. Tap the tool to read the full analysis.
| Brand | Tool | Where | Key result |
|---|---|---|---|
| Liquid Death | Strategy | United States, 2017 to 2024 | USD 263M in retail sales in 2023, the third straight year of triple-digit growth |
| Rip Curl | Customer data | Australia, 2020 | +28% open rate on emails with the customer's name |
| Dutch Bros | Loyalty | United States, 2021 to 2025 | 1.4M users in the first month |
| Death Wish Coffee | Digital stamp card | United States, 2023 | +186% in one year in sales with a program code |
| Grind | Email marketing | London, 2020 | +675% in email revenue from the first to the second quarter of 2020 |
| Brava Fabrics | Win back inactive customers | Barcelona | +76% in email revenue in one year |
| Oatly | Brand partnerships | United States, 2016 to 2020 | ~10,000 coffee shops in the United States in four years |
| Lomas de Angelópolis | AI agents | Puebla, Mexico, 2026 | 6x appointments per month (from 2 to 12) |
| Guitarras David Alcántara | AI agent for WhatsApp | Hermosillo, Mexico | 60% of 400 inquiries answered by the agent in his last campaign |
| Gold's Gym | AI agent for Instagram | Costa Rica, 2021 | 9x more bookings through Instagram |
| Vitaldent | Automation | Spain, 2024 and 2025 | 96% response rate |
| Al Aseel | Automate bookings and appointments | Sydney, Australia, 2025 | +116% in year-over-year revenue |
| GHT Hotels | Automated inquiry follow-up | Costa Brava, Spain, 2024 | 89% of 21,526 conversations resolved by the AI |
| BRAVA Wellness | Social media content | Mexico, 2025 | +380% in sales compared with the previous quarter |
| Mallet London | Instagram and Facebook ads | United Kingdom, 2024 | +102% return on ad spend (ROAS) |
| Vinoteket | Meta Ads for local businesses | Sweden, 2025 | 3.85x real incremental return |
| Vips | Google and AI | Mexico, 2025 | +131% restaurant visits from Google searches, year over year |
| Kokono’ | Ranking on Google Maps | San Cristóbal de las Casas, Chiapas | "Essential tool" for bringing diners back, according to the restaurant |
| Tally | Showing up in ChatGPT and other AI | Belgium, 2025 and 2026 | No. 1 source of new sign-ups: ChatGPT |
How we analyze each case
- We read the primary sourcethe case published by the company, the vendor or the press, never a secondhand quote
- We copy the figures exactly as publishedwithout rounding in our favor or extrapolating
- We state who published the figureif it is reported by the tool's vendor, we say so
- We separate the mechanism from the resultwhat they did technically and what they achieved
- What we could not verify is not publishedeven if it circulates online
Who published the numbers
In 16 of 19 case studies the figure was published by the tool vendor or the platform, and we say so in each analysis. The rest comes from the press, public documents or the brand itself.
| Source type | Case studies |
|---|---|
| Tool vendor or platform | 16 |
| Press, public documents or the brand | 3 |
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