Marketplace Complexity
Managing multiple marketplaces, catalogues, SKUs and compliance requirements takes time.
E-commerce Growth Agency
E-commerce & Marketplace Growth,
E-commerce & Marketplace Growth,
Managed End-to-End
Grow your brand across Amazon, eBay, TikTok Shop, Mirakl marketplaces and your own website with one experienced team managing marketplace operations, SEO, paid advertising and creative.
Amazon•eBay•B&Q•Tesco•Debenhams•OnBuy•TikTok Shop
Amazon
+24% revenue
TikTok Shop
1.2M
video views
Products
2,400
SKUs synced
Helping Brands Sell Across Leading Marketplaces
Amazon
eBay
B&Q
Tesco
Debenhams
OnBuy
TikTok Shop
Mirakl
Selling Online Is Complex. Your Operations Shouldn’t Be.
Poor Product Visibility
Weak listings, SEO structure and product content can limit discovery.
Rising Advertising Costs
Without proper tracking, targeting and optimisation, paid media can become difficult to manage.
Creative Bottlenecks
Ads and product listings need fresh, platform-specific creative to keep testing.
Marketplace, Marketing & Creative — One Team
- Marketplace Management To Scale Sales
- Digital Marketing Campaigns To Generate Growth
- In-House Creative To Make Products Sell
From marketplace management and product listings to SEO, paid advertising and creative content, Gravity Plus Experts helps e-commerce brands grow across the UK, Europe and USA.
See Our ServicesWhy Gravity Plus
Everything Your E-commerce Brand Needs to Grow
Sell smarter across the world’s leading marketplaces.
Amazon
eBay
TikTok Shop
B&Q
Tesco
Debenhams
OnBuy
Mirakl
Explore Marketplace Management
Turn search demand and paid traffic into measurable growth.
SEO
Google Ads
Meta Ads
PPC Management
Explore Digital Marketing
Give every product, campaign and marketplace listing better creative.
Graphic Design
Product Images
A+ Content
Brand Store
Video Editing
Reels
TikTok
Product Videos
Ad Creatives
Explore Creative Services
Your Products. Your Next Growth Story.
Let's build what comes next.
Marketplaces We Manage
Manage Your Entire Marketplace Operation
From seller onboarding and catalogue management to listing optimisation, compliance and ongoing account management, our team helps brands operate across multiple marketplaces without the operational complexity.
Amazon Marketplace Management
Full-funnel Amazon management, from listings and SEO to ads and account health.
eBay Marketplace Management
eBay stores, listings and promotions managed for steady, reliable growth.
TikTok Shop Management
Product discovery, live selling and creator-led growth on TikTok Shop.
B&Q Marketplace Management
DIY and home-improvement retail run properly on the B&Q marketplace.
Tesco Marketplace Management
Grocery and general merchandise sold at scale via Tesco Marketplace.
Debenhams Marketplace Management
Fashion, beauty and home ranges presented well on Debenhams.
OnBuy Marketplace Management
Cashback-driven marketplace growth managed end-to-end on OnBuy.
Mirakl Marketplace Management
Multi-marketplace scale through Mirakl-powered platforms and retailers.
Get Found When Customers Are Searching
Our e-commerce SEO combines technical optimisation, search intent, product and category optimisation, content, structured data and authority building to improve organic visibility and commercial traffic.
Technical SEO
Site speed, crawlability and structured data handled properly.
On-Page & Product SEO
Titles, content and product pages built around real search intent.
Content & Authority
Content and coverage that earn rankings, links and trust.
UK SEO
USA SEO
International SEO
E-commerce SEO
Turn Paid Traffic Into Measurable Growth
Paid media planned, launched and optimised against commercial targets — every pound tracked back to revenue.
Google Ads
Search, Shopping, Performance Max, Demand Gen and YouTube.
Meta Ads
Facebook, Instagram, catalogue campaigns and creative testing.
PPC Management
Cross-channel management across search, social and marketplaces.
Marketplace Advertising
Amazon Ads and eBay Promoted Listings.
Creative That Helps Products Sell
Graphic Design
- Product images
- Infographics
- Amazon A+
- Brand Store
- Banners
- Ad creatives
- Packaging
- Brand guidelines
Video Editing
- TikTok
- Reels
- Shorts
- UGC
- Product demonstrations
- Marketplace videos
- A+ videos
- Paid social variants
Results
Built Around Commercial Growth
Client names and figures below are placeholders — real results will be added.
UK Fashion Retailer Placeholder
One team running the entire marketplace operation.
Challenge: Selling across Amazon, eBay and Debenhams with a small in-house team: inconsistent listings, fragmented ad spend and recurring account issues.
Strategy: We took over onboarding, catalogue management and listing optimisation, unified advertising across marketplaces, and managed compliance and account health day to day.
+XX%
Revenue Growth
+XX%
Marketplace Growth
+XX%
SKU Growth
Home & DIY Brand Placeholder
B&Q and OnBuy, launched and scaled.
Challenge: A strong DTC brand with no marketplace presence and no internal resource to launch one properly.
Strategy: Full launch programme: seller onboarding, catalogue build, listing optimisation and launch advertising, then ongoing account management.
+XX%
Revenue Growth
+XX%
Conversion Rate
X.Xx
ROAS
Consumer Electronics Brand Placeholder
Organic traffic that compounds.
Challenge: Paid acquisition costs rising every quarter while organic visibility stayed flat on commercial search terms.
Strategy: Technical fixes, product and category optimisation around search intent, structured data and an authority-building content programme.
+XX%
Organic Traffic
+XX%
Search Visibility
+XX%
Conversion Rate
Beauty Brand Placeholder
Paid media tuned for profit, not clicks.
Challenge: Google and Meta spend growing but blended ROAS falling; creative fatigue and no clear testing structure.
Strategy: Rebuilt account structure around margin, launched Performance Max and catalogue campaigns, and set up a continuous creative testing cycle.
X.Xx
ROAS
+XX%
Revenue Growth
-XX%
CPA
Sports Nutrition Brand Placeholder
Creative built to convert.
Challenge: Product pages and ads relying on supplier imagery; conversion rates lagging behind competitors with stronger creative.
Strategy: New product imagery, infographics and A+ content, plus UGC-style video and paid social variants tested against performance.
+XX%
Conversion Rate
+XX%
Revenue Growth
X.Xx
ROAS
What Our Clients Say
One Team. Multiple Channels. One Growth Strategy.
How We Work
From Audit to Growth
Step 01 of 05
Audit
We review your marketplace accounts, catalogue, website, advertising and current performance.
Step 02 of 05
Strategy
We identify priorities and create a clear action plan.
Step 03 of 05
Execute
Our team handles listings, optimisation, campaigns, SEO and creative.
Step 04 of 05
Measure
Performance is tracked through agreed commercial KPIs.
Step 05 of 05
Scale
Once the foundation is working, we expand products, channels and campaigns.
Who We Work With
Built for E-commerce Brands
Where We Operate
Supporting E-commerce Brands Across the UK, Europe & USA
Frequently Asked Questions
We manage Amazon, eBay, TikTok Shop, B&Q, Tesco, Debenhams, OnBuy and Mirakl marketplaces. From onboarding and listings to fulfilment support and ongoing optimisation, your full marketplace operation is handled in one place.
Yes. We manage Amazon Seller Central accounts end to end — listings, catalogue health, pricing, A+ content, advertising and account support. Our team keeps your account compliant and growing without the day-to-day workload.
Yes, multi-channel management is our core strength. We run your listings, pricing, stock and promotions across marketplaces in sync, so every channel performs without extra work from your team.
Yes. We provide e-commerce SEO for your website, from technical fixes and category optimisation to content that ranks and converts. Our SEO work is built around commercial outcomes, not vanity metrics.
Yes. We plan, launch and manage Google Ads and Meta Ads campaigns focused on profitable revenue. Budgets are managed carefully, with transparent reporting against agreed KPIs.
Yes. We run Amazon Ads and eBay Promoted Listings as part of your marketplace management. Campaigns are structured around your margins and continuously optimised for return on ad spend.
Yes. Our in-house design team creates product images, marketplace creatives, banners and infographics. Every asset is designed to stop the scroll and help products sell.
Yes. We edit short-form video content for TikTok, Instagram Reels and YouTube Shorts. From product demos to UGC-style edits, we deliver video ready to publish.
Yes. We work with brands across the UK, USA and Europe. Our team understands the nuances of each market, from marketplace rules to customer expectations.
Yes. We are built for multi-SKU retailers, with systems and processes that handle large catalogues efficiently. Listings, pricing and stock are managed at scale without losing quality.
Yes. If you only need SEO, we offer it as a standalone service for your website. You get the same data-led, commercially focused approach without any bundled services.
Yes. We regularly partner with in-house teams, filling the gaps in marketplace management, paid media, SEO or creative. We integrate into your workflow and report transparently, so collaboration is seamless.
Ready to Grow Your E-commerce Business?
Tell us what you're selling, where you're selling it and where you want to grow. We'll identify the opportunities across marketplaces, search, advertising and creative.
Request a Free Consultation
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