Marketplace Sales Agency That Grows Your Brand
We partner with brands and manufacturers to increase their online sales across leading marketplaces like eBay, Amazon, Etsy & more.
Let's Grow TogetherA Track Record You Can Verify, Not Just A Promise
Every brand we partner with gets the same proven process — listing optimisation, marketplace advertising and dedicated account management — backed by results we can point to across eBay, Amazon, Etsy and Shopify.
Performance-Based, Always
No upfront marketing fees — we only grow when your marketplace sales grow, so our incentives stay aligned with yours.
Dedicated Account Management
Every brand gets hands-on, 100% dedicated marketplace management — not a shared inbox.
Multi-Marketplace Expertise
Proven across eBay, Amazon, Etsy and Shopify, with more channels added as your brand grows.
We’re a London-based marketplace sales agency built for brands and manufacturers. Our mission is to grow your online sales across eBay, Amazon, Etsy, Shopify and more — on a performance-based model, with no upfront marketing fees.
How We Work
Partner With Us

We start by understanding your brand, products and growth goals.
List & Optimise

We create high-converting listings that attract the right customers.
Drive Sales & Fulfil

We manage marketing and visibility while you fulfil orders — we handle the rest.
We specialise in turning marketplace listings into consistent, scalable sales. With expertise across eBay, Amazon, Etsy and Shopify, we help brands reach new customers and grow revenue.
We optimise every listing for search and conversion, helping your products get found by the right buyers.
From single-channel sellers to multi-marketplace brands, we’ve helped grow online sales across the UK and beyond.
Every listing is built to convert — clear photography guidance, compelling copy and marketplace-specific SEO.
We're building BLAEK around real outcomes for the brands we manage.
Marketplaces Managed
eBay, Amazon, Etsy, Shopify and more — all from one partner.
Upfront Marketing Fees
A performance-based model aligned with your growth.
Dedicated Account Management
Every brand gets hands-on marketplace management.
Pricing
Growth
Dedicated marketplace account manager
Listing creation & optimisation
Ongoing marketing & visibility support
Performance reporting, built for scale
Full-Service
Dedicated marketplace account manager
Listing creation & optimisation
Ongoing marketing & visibility support
Performance reporting, built for scale
We help brands sell more across eBay, Amazon, Etsy, Shopify and more — on a performance-based partnership built on trust.
Meet The BLAEK Team

Alex Whitmore
Head of Marketplace Strategy

Meera Kapoor
Amazon & eBay Specialist

Tom Bradley
Client Success Manager
Got Questions About Selling On Marketplaces? We’ve Got Answers.
BLAEK is based in London, United Kingdom, and works with brands and manufacturers across the UK and beyond.










