Flatline leads brands in the digital world
The luxury standard in digital

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| 4.9 out of 120+ reviews

7+ | Awards won

2 times | Agency of the year

YOUR DIGITAL PULSE

OUR CASES

Services

eCommerce

Building the future of commerce where beauty meets performance. As a Shopify Premier Partner, we craft Shopify Plus experiences built to scale defining the luxury standard in eCommerce.

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Web design

The best in class, automated corporate websites and platforms. Built to scale and designed to inspire, every detail reflects our atelier philosophy – setting the luxury standard in digital design.

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Marketing

Creating momentum where strategy meets emotion. From data to desire and creativity to growth, we build ecosystems that connect – setting the luxury standard in digital marketing.

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Our Clients

Whether you’re looking for a new online store, are migrating from your current platform, or need ongoing support to optimise your existing site, we’ve got you. We’ve created some of the most memorisable experiences for our clients.

SMALL-MEDIUM ENTERPRISE

CORPORATE ENTERPRISE

Thinking

How to calculate the Total Cost of Ownership (TCO) for your eCommerce store

Running a successful eCommerce business requires more than just a great product and marketing strategy. Understanding the Total Cost of Ownership (TCO) is crucial for making informed decisions about your platform, tools, and long-term scalability. Whether you’re on Shopify, Magento, or another platform, calculating your TCO can help you uncover hidden costs and optimize your...

Building a scalable eCommerce ecosystem for Olivia & Kate

Olivia & Kate is a Dutch fashion and lifestyle brand that evolved from a boutique in Haarlem into a fast-growing online destination. With weekly product launches and increasing customer demand, maintaining performance, operational efficiency, and a consistent user experience became increasingly complex. Flatline partnered with the brand to strengthen its digital foundation and implement a...

Is your website AI ready? How to make sure AI agents can discover your business

Search is evolving beyond traditional search engines. More consumers now rely on AI assistants such as ChatGPT, Claude, and Perplexity to ask questions, compare products, and discover brands. Instead of browsing search result pages, users increasingly expect direct answers. For businesses, this shift changes how visibility works online. Having an AI ready website means AI...

Key eCommerce and unified commerce trends shaping 2026

In a previous article, we explored why unified commerce has become a strategic imperative for eCommerce in 2026. Fragmented systems, disconnected channels, and rising customer expectations made one thing clear: traditional commerce setups are no longer sustainable. As 2026 approaches, that strategic vision is colliding with operational reality. AI initiatives are accelerating, tech stacks are...

VAT number validation in Shopify checkout: What this update means

Cross-border B2B transactions in Europe rarely fail because of product demand. They fail at compliance. VAT treatment depends on where goods are fulfilled and shipped, and reverse charge eligibility often requires manual checks that slow down operations. With the introduction of VAT number validation in Shopify checkout, Shopify enables automatic validation of VAT numbers during...

Build custom Shopify apps faster with Shopify Sidekick

Internal tools often become an invisible bottleneck as Shopify stores scale. Teams rely on spreadsheets, manual checks, and fragmented workflows to manage merchandising, operations, and quality control. Building a custom app typically means developer time, backlog prioritisation, and long feedback loops. As a result, many internal needs remain unresolved: not because they lack value, but...