- Italy
- Switzerland
- Shopify
- Shopify Plus
- Custom
- Europe
- Implementation & Onboarding (Platform migration, Klaviyo implementation.)
- Strategy & Consulting (Technology roadmapping, system integration planning, and Klaviyo + digital strategy.)
- Technical Development & Design (Custom integrations, site development, and platform-specific design.)
- Omnichannel Messaging (Lifecycle marketing across Email and Mobile Messaging (SMS, MMS, RCS, WhatsApp, Mobile Push)
- Data & Analytics (Advanced Klaviyo Data Platform (AKDP/CDP) implementation, Marketing Analytics, and data/segmentation strategy.)
- English
- Italian (Italiano)
- Spanish (Spain) – Español (España)
- Retail: Apparel & Beauty
- Retail: Food & Beverage
- Retail: Home & Electronics
- Retail: Outdoor & Automotive
- Retail: Subscriptions & Digital Goods
- $1M - $10M
- $10M - $30M
- $30M - $100M
- Managed Services (Retainer): For brands looking for an outsourced team to handle ongoing, month-over-month execution
- Consulting / Hourly: For brands that need expert advice or technical troubleshooting on an ad-hoc basis
Byte-Code SpA is a certified Klaviyo partner
Byte-Code SpA is a pioneering Italian software house founded in 2003, and one of Italy's first Shopify Plus Partners. We are also among the first Klaviyo partners in Italy — a recognition that reflects years of hands-on expertise in email marketing, automation, and data-driven growth for e-commerce brands on Shopify.
Since 2019, we have helped leading brands unlock the full potential of Klaviyo, building scalable automation systems, high-performing flows, and retention strategies that turn email into a primary revenue channel. Our clients include Sky, PittaRosso, Police Lifestyle, B-Exit, Laboratorio di Cannavacciuolo, TheCorner, Savait and GDS — brands that trusted us to manage lists ranging from 70K to over 1 million subscribers, with rigorous attention to deliverability, database hygiene, and measurable results.
If your e-commerce runs on Shopify and you want to maximize performance with Klaviyo, you're in the right place.
Our expertise spans:
- Marketing Automation & Campaigns
- UX/UI Design & Conversion Rate Optimization (CRO)
- MarTech Strategy & Data-Driven Insights
- Shopify Plus & Headless Commerce
- System Integrations & Custom Shopify App Development
- Data Migration & Replatforming
- Performance Optimization
Let's turn your Klaviyo account into your strongest growth lever.
""10/10 — we will keep working with Byte-Code.""