BlackSwan, stunning ecommerce for exceptional brands.

BlackSwan was born in 2020 after 7 years of e-commerce expertise, and from a realization that certain unexpected events can durably alter the way consumers behave. We help brands looking for growth in their online activities.


Creating, launching, growing, evolving and hunting for profits is what we thrive for on a daily basis. Our expertise is aimed towards brands that stand out, and also towards the women and men who choose to use online experiences as the centre of their value proposition.


Our own experiences in e-commerce are the reason why we chose to build on Shopify. Independent by nature, our technological choices reflect our values as we try to give all our customers the maximum flexibility in what they can manage on their own without requiring our help while empowering them with websites that provide exceptional performances.


Our offices in Paris are open 5 days a week if you want to grab a cup of coffee or share a beer with us while discussing your project.

Our team

Paul Armbruster - CEO
Quentin Bruhier - COO
Thomas Tastet - CTO

Our services

Creations, redesigns & migrations

I am launching my e-commerce site:

Leverage the help of our experts while building your store and get an exceptional quality of design, whether you choose a pre-built theme or a custom one that we build for you.

I already have an e-commerce website:


Do you want to migrate your WordPress, Prestashop or Magento site to Shopify? We will transfer your content, order history and customer base while we help you transition flawlessly to your new platform.


Do you already have a design you want us to integrate?

Let's study it together and receive a detailed quote and schedule to know precisely the delivery date of your project. If you don't have a designer, you are bound to find the perfect one you among our partners.

See these services

Custom works and developments

Optimizing your site:

Improve the performance of your existing Shopify with our SharpJS technology or have us fix the bugs that ruin the experience of your customers.


Advanced features:


Size guide, interactive map of your stores or product customization modules: everything is possible. Create landing pages that sell for your acquisition campaigns or boost your site with the help of animations, you name it.

Subscriptions and new ways to consume:

Get recurring revenues from your customers and increase your average sale by offering discounts for subscribing to your products. Let your customers become ambassadors for your brand by offering them gift cards and watch your community grow.

See these services

Personalized services and training

Next-gen commerce:

Use Shopify POS to deliver a 360 experience to your customers, whether they're on their smartphone or in-store. Use synchronized customer history, Click & Collect and cross-channel interactions to deliver amazing customer service.

Internationalization and growth:

Translate your Shopify website and conquer new markets and territories. Get started with Shopify Plus to save on your transaction fees and offer ultra-customized checkout tunnels.


Increase your income:


Your site does not convert well enough? Get it audited and receive a list of priority changes to improve your sales. If you ask us to take care of those developments, we will deduct the cost of the audit from your quote.

See these services

Focus on SharpJS

SharpJS, achieve more by doing less.

SharpJS technology is a programming philosophy that was born after 6 months of research and development.

Modern e-commerce sites are very processor-intensive, sometimes to the point of heating phones and yet their performance often remains neglected in favour of SEO.

We've iterated over dozens of different solutions so that we can deliver both exceptional performance, incredible SEO, while still maintaining Shopify's ease of use.

Learn more

Advanced features
Sizing guide
Sizing guide
Custom Packs & Bundles
Custom Packs & Bundles
Product Finder
Product Finder
Product customization
Product customization
Delivery slot picking
Delivery slot picking
Merchandizing breaks
Merchandizing breaks
Store Locator
Store Locator
Appointment scheduling
Appointment scheduling
Back in Stock
Back in Stock
Multiple variant selector
Multiple variant selector
Bitcoin payment
Bitcoin payment
Wholesale prices / BtoB
Wholesale prices / BtoB
Sample picker
Sample picker
SMS automations
SMS automations