Sello News

Latest News, Blog Posts, and Insights

Illustration featuring a question mark and the text “Marketplace or online store which path leads to smarter e-commerce growth?” symbolizing the choice e-commerce businesses face between sales channels

Which path leads to smarter e-commerce growth?

Choosing between marketplaces and your own online store isn’t easy. The smartest way to grow is to combine both. Learn how Sello helps e-commerce brands expand faster and build stronger.

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October 16, 2025
Statistics graphic highlighting Allegro’s 21 million customers and retail growth in Sweden, with increases in fashion and footwear sales

September Insights

We’ve summarized September’s key e-commerce trends and you don’t want to miss this. Retail recovery in Sweden, strong marketplace growth in Poland, and digital acceleration in Spain.

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October 1, 2025
Person wearing a black hoodie with a white Sello logo on the chest.

Sellos integration expert part 2

What sets great marketplace setups apart from the rest? Our integration expert shares the key tasks, silent bottlenecks, and smart architecture choices that top brands rely on to scale efficiently.

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September 21, 2025
Sello integration with Tradera - a shopping bag symbolizing easier selling with automatic shipping cost calculation and QR code parcel drop-off.

Tradera sellers

Selling on Tradera is now easier with Sello’s integration. Shipping costs are calculated automatically from weight and dimensions, carriers can be adjusted, and QR codes make parcel drop-off simple. Prefer manual setup? That option is still available.

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September 8, 2025

News recap

Zalando reports strong Q2 2025 growth with GMV up 5% and revenue rising to €2.8B, boosting its full-year outlook after acquiring About You. Meanwhile, Otto cuts 480 service jobs, and Amazon dominates Spain’s still-developing marketplace.

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August 29, 2025
Portrait of Sello’s integration expert alongside Q&A text about common challenges in marketplace integration.

Sellos integration expert spills the tea p.1

Many brands underestimate what it takes to integrate with marketplaces. From article creation to real-time syncing and choosing the right tech partners, here’s what you should know before scaling across channels.

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August 24, 2025

Trends during 2025

Marketplaces are driving global e-commerce growth, making up 67% of all online sales in 2024, with continued expansion expected in 2025. In the Nordics, platforms like CDON and Zalando are gaining traction as more consumers prefer marketplaces over standalone stores.

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July 11, 2025
Visual screenshots of code snippets and system threads from Sello’s integration with CDON, showcasing the new API connection and platform setup.

CDON has a new platform, is your integration ready?

CDON has launched a powerful new platform, is your integration ready? Following their acquisition of Fyndiq, CDON has rebuilt its infrastructure from the ground up, requiring all sellers to fully update their integrations.

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June 13, 2025
Showing Tiktok Shop ways to shop

What is TikTok Shop & why brands should start selling on it

Discover how TikTok Shop is transforming e-commerce by letting brands sell directly within the app. With over 1.5 billion users and seamless in-app shopping, it's a game-changer for reaching Gen Z. Learn why your brand should start selling on TikTok today.

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May 27, 2025
CDON and Sello logos with a code graphic representing the integration of CDON’s new API

CDON API Documentation

CDON’s New API is Here – And We’re Ready! Sello is integrating CDON’s latest API for seamless, real-time syncing and hassle-free selling. Get ahead with a fully validated, scalable solution. Effortless CDON selling.

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April 4, 2025
"Image showing a guide title with text on how to choose the right marketplace integrator.

Guide - Choosing marketplace integrator

When expanding your e-commerce presence, choosing the right marketplace integrator is crucial for streamlining operations and boosting efficiency. Here’s a guide about what to consider when selecting a marketplace integrator.

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March 31, 2025