OnBuy Account Management Services for UK Brands
Gravity Plus Experts is an OnBuy account management agency helping UK brands sell more on OnBuy, the UK's home-grown marketplace. From seller account setup and onboarding to listing optimisation, catalogue and inventory management and compliance, we manage your OnBuy account end-to-end — so you can grow your sales without the daily admin.
What's Included in Our OnBuy Account Management Service
Complete OnBuy account management — setup, onboarding, listings, catalogue, inventory and compliance, handled by UK specialists every day.
Seller Account Setup & Onboarding
OnBuy seller account setup service and onboarding — account creation, verification, shipping and returns settings, ready to trade.
Listing Optimisation & Catalogue
OnBuy listing optimisation service and catalogue management — product listing management that keeps every item accurate, searchable and competitive.
Inventory, Support & Compliance
OnBuy inventory management service, UK seller support and compliance monitoring — stock, orders and account health managed daily.
Projects Managed
1K +
Marketplace projects delivered for UK & EU brands.
Client Rating
4.9
Average rating from the brands we manage.
Marketplaces Covered
Amazon, eBay, TikTok Shop, OnBuy, Tesco, B&Q, Debenhams and Mirakl.
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Gravity Plus
OnBuy Account Management Agency
Naveed A.
CEO, Gravity Plus ExpertsGravity Plus Experts is a UK OnBuy marketplace management company for brands that want OnBuy growth without the daily admin. We live inside seller accounts every day — listings, inventory, orders and compliance.
OnBuy Account Work We Deliver
From first setup to daily growth — the OnBuy seller account management work we handle for brands.
OnBuy Seller Onboarding
Onboarding
Catalogue & Inventory Systems
Operations
Compliance & Account Health
ComplianceOnBuy Account Management
Seller Account Setup
OnBuy Onboarding
Listing Optimisation
Inventory Management
Seller Support UK
OnBuy Account Management
Seller Account Setup
OnBuy Account Management
Seller Account Setup
OnBuy Onboarding
Listing Optimisation
Inventory Management
Seller Support UK
OnBuy Account Management
Seller Account Setup
Why Brands Outsource OnBuy Account Management
A Dedicated OnBuy Account Team
- Account setup & onboarding handled
- Listings optimised for OnBuy search
- Catalogue & inventory kept accurate
- Compliance monitored daily
- UK-based seller support
4.9/5.0 by Our Clients
We help UK brands grow on OnBuy with daily management and honest reporting.
Built to Scale
Systems and processes that grow with your sales.
- 1K+
Projects Managed
100%
Compliant — every listing policy-checked before it goes live.
How Our OnBuy Account Management Works
From setup to daily growth — a clear process, handled for you.
Setup & Onboarding
We set up your OnBuy seller account — verification, settings, shipping and returns — and get you approved to trade.
Manage & Grow
Daily account management — orders, stock, pricing checks and compliance — while your sales grow month after month.
OnBuy Account Management Pricing
The cost of OnBuy account management depends on your catalogue size, order volume and the level of daily management you want. Transparent, tailored pricing — no hidden fees, no long contracts.
FEATURES
- Seller account setup service
- Verification & onboarding handled
- Shipping & returns configuration
- First listings optimised & live
- Compliance check before launch
FEATURES
Everything in Setup, plus:
- Listing optimisation & catalogue management
- Inventory & order management
- Compliance & account health monitoring
- Monthly growth reporting
FEATURES
Everything in Full Management, plus:
- Pricing & competitiveness reviews
- Range expansion planning
- Promotion & campaign planning
- Priority support
FEATURES
- Seller account setup service
- Verification & onboarding handled
- Shipping & returns configuration
- First listings optimised & live
- Compliance check before launch
FEATURES
Everything in Setup, plus:
- Listing optimisation & catalogue management
- Inventory & order management
- Compliance & account health monitoring
- Monthly growth reporting
FEATURES
Everything in Full Management, plus:
- Pricing & competitiveness reviews
- Range expansion planning
- Promotion & campaign planning
- Priority support
Latest Insights to Grow Your Sales
Guides and tactics from the team that manages marketplace accounts every day.
How to Sell on TikTok Shop UK: The Complete Guide
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Amazon Listing Optimisation: 9 Proven Tactics
Keywords, images and pricing, the nine listing fixes that lift click-through and conversion on Amazon.
eBay SEO Explained: How Cassini Ranks Your Listings
How eBay's search engine ranks listings, and the optimisation steps that put yours on page one.
OnBuy Account Management FAQs
Everything brands ask us about OnBuy account management, setup, listings and support.
Still have questions? Book a free consultation and we'll walk you through everything.
Naveed A.
CEO, Gravity Plus Experts
Ready to Grow on
OnBuy?
Tell us about your products and where you sell now. Get a free OnBuy account review and a clear plan to more sales.