Vendor & Seller Management
End-to-end account management, negotiations, trading strategy and day-to-day execution.
We make
Amazon perform.
Senior Amazon expertise and commercial intelligence, bringing strategy, data and execution together for measurable growth.
Real growth. Real impact.
£0.0M+68% YoY
Data-driven decisions.Sustainable results.
Scroll to explore
Experience built with leading brands.
The challenge
Amazon is
complex.
Rising costs. Constant change. Limited visibility. Too many moving parts and too little commercial context.
We get it.
We bring it together.
We bring it together.
Proven impact
Growth you can
measure.
+0%YoY net receipts
+0%Shipped revenue growth
0+New ASINs launched
-0%Returns
What we do
One team.
Every lever.
Retail Operations & Buyability
Availability, ordering, catalogue health, pricing and the operational detail that protects sales.
Advertising (PPC)
Data-led campaigns that drive profitable growth while staying connected to stock and retail reality.
Content & Creative
High-converting listings, A+, Stores and content systems built to earn attention and convert it.
Insights & Reporting
Dashboards and reporting that turn data into clear priorities, decisions and accountability.
Strategy & Planning
Commercial roadmaps, forecasting and market plans designed around where growth actually comes from.
Service detail
Talk to usOur approach
Simple process.
Powerful results.
You do not need another layer of complexity. You need senior people who can see the whole commercial picture and act on it.
Commercial Intelligence
See Amazon
more clearly.
We bring fragmented Vendor and Seller Central data into one clear commercial view, simplifying the noise and helping you identify the highest impact actions faster.
See where growth is coming from, how competitors are moving and where you’re winning or losing the Buy Box.
Understand how advertising is driving sales, efficiency and profitable growth across the wider Amazon business.
Connect forecasting, stock cover and ordering gaps before they become lost sales.
Track price and margin to understand where revenue is genuinely creating value.
BUILT AROUND YOUR BUSINESS.
Every dashboard is tailored to your priorities, maintained by us and evolved as your needs change.
EXPLORE OUR INTERACTIVE DASHBOARD DEMO
Case studies
Results that
speak for themselves.
Middleby Outdoor
Kamado Joe · Masterbuilt · Char-Griller
Featured case study
Three brands.
Multiple markets.
One connected Amazon Vendor programme spanning three brands, operational management, commercial intelligence and European expansion.
+72%YoY net receipts
+39%Shipped revenue
-49%Returns rate
+3European markets
US Seller Central turnaround
From unstable launch.
To category leader.
We rebuilt Westin’s US Amazon business around sharper market insight, stronger content and disciplined commercial execution.
+200%Revenue growth
50%+Peak category share
Your brand could be next
Your success story
could be next.
Start with a focused account Health Check and identify the biggest opportunities to improve growth, profitability and control.
Book a Health Check →Middleby Outdoor · Case study
Connecting three brands for sustained Amazon growth.
Managing Middleby Outdoor’s Amazon Vendor operation across Kamado Joe, Masterbuilt and Char-Griller means coordinating three distinct brands across the UK and multiple European marketplaces. We integrated into the wider Middleby team, bringing availability, ordering, forecasting, catalogue health, compliance, advertising and commercial intelligence into one connected programme.
Scope of engagement
Talk to us →
Vendor Central3 BrandsUK & EuropeRetail OperationsForecastingCatalogue & CompliancePPCCommercial Intelligence
What we did
- Built a structured availability and buyability management process across the portfolio
- Created bespoke Vendor Central dashboards for performance, inventory, availability and order blocker management
- Developed Amazon forecasts and planning inputs to improve ordering, inventory visibility and commercial decision making
- Integrated into the wider Middleby team structure to improve internal Amazon processes, ownership and ways of working
- Used Born to Run (BTR) and vendor initiated ordering to bridge gaps in Amazon’s automated ordering
- Identified, root-caused and resolved catalogue, compliance and suppression issues
- Connected PPC activity to stock availability and commercial priorities
- Expanded the existing Amazon UK assortment with 100+ new ASINs, then rolled out and regionalised the range across European marketplaces
The result
+72%YoY net receipts
+39%Shipped revenue
+121%Shipped units
-49%Returns rate
100+New ASINs added
+3New European markets
One connected Vendor programme across three brands, turning stronger processes, better visibility and tighter operational control into measurable growth across Europe.
Westin · Case study
Turning an unstable launch into a scalable growth channel.
Westin entered Amazon US with limited market presence. We validated the opportunity, stabilised the account and rebuilt it around customer experience, conversion and seasonal demand.
Scope of engagement
Seller CentralAccount HealthContent & ConversionPPCCommercial Strategy
Kyle & Max have become a trusted partner on our Amazon project. They’re strategic, data-driven and highly execution-focused. exactly what you want from a growth partner.
Thomas Sanotra
COO · Fairpoint Outdoor / Westin
What we did
- Validated market size, search demand, seasonality and competitor positioning
- Built a six-month sales forecast and market-share model
- Reworked SEO, listing copy, gallery imagery and Premium A+
- Introduced customer-service processes to restore trust
- Rebuilt PPC around ranking, visibility and peak Q4 demand
- Optimised pricing and promotion without sacrificing margin
The result
+200%Revenue growth
6.9%Conversion rate, from <1%
+280%Traffic increase
50%+Category share at peak
<5%Returns, from 15%
5★Seller rating, from 3.4★
Click-through rate increased from 2.2% to 3.8%, the hero product overtook the previous top-selling competitor and reached #9 category rank, while weekly sales hit a new peak.
Within six months, Amazon had moved from an unstable launch to a validated, scalable growth channel with majority category share at peak.
About us
We're Partners
in Prime.
Max & Kyle. Two Amazon experts with a shared way of working.
We met as Senior Brand Managers inside a fast-paced Amazon aggregator built to acquire, operate and scale brands on Amazon. With over 10 years each on Amazon, we’ve managed £10m+ P&Ls, launched NPD at scale and built growth strategies for market-leading brands.
We’ve built and led Amazon teams and processes across commercial, operations and advertising, and understand how Amazon fits within wider channel strategy. Partners in Prime brings that experience together with hands-on senior support.
You work directly with us. No sales team. No junior hand-off.
Amazon credentials
Vetted by Amazon.
Enterprise ready.
As a member of Amazon’s Service Provider Network and an Amazon Ads Verified Partner, we bring recognised expertise across both Amazon account management and advertising.
We’re used to working with global organisations and the governance that comes with them, including service agreements, NDAs, controlled account access, and established procurement, finance and compliance processes.
Amazon SPN Certified
Vetted by Amazon. Easier to onboard.
As a member of Amazon’s Service Provider Network, Partners in Prime is already recognised and vetted by Amazon. That gives brands greater confidence when granting account access and can reduce the friction involved in bringing an external Amazon partner into the business.
Amazon Ads Verified Partner
Proven Amazon Ads expertise.
Verified Partner status recognises our experience and expertise managing Amazon advertising, giving brands additional confidence that their campaigns are being managed by specialists who understand the platform.
Meet the founders
Two complementary strengths. One hands-on approach.
See who you’ll be working with.
Kyle Waterhouse · Co-Founder · Amazon Strategy & Commercial
Meet Kyle.
Kyle’s background spans brand management, ecommerce and Amazon, working with established consumer brands across the UK and Europe. His strength is bringing the commercial and operational sides of Amazon together: from Vendor strategy and catalogue management through to availability, forecasting, launches and marketplace growth.
At Partners in Prime, Kyle stays close to the detail, turning complex Amazon problems into clear priorities and practical commercial plans.
Kyle leads Amazon strategy and commercial execution at Partners in Prime, specialising in Vendor Central, catalogue, forecasting and marketplace growth. He combines commercial thinking with hands-on operational detail, turning complex Amazon problems into clear priorities and practical plans.
Focus
Vendor Central · Commercial Strategy · Catalogue & Operations · Marketplace Expansion
Vendor CentralCatalogueForecastingCommercial Strategy
Max Lester · Co-Founder · Advertising, Data & Performance
Meet Max.
Max specialises in the data and performance side of Amazon. His background combines advertising, analytics and commercial management, with a particular focus on understanding what is driving performance and where the next opportunity sits.
At Partners in Prime, Max leads much of the thinking around advertising, reporting and data, including the dashboards and tools we use to turn complex Amazon information into clear actions.
Max leads advertising, analytics and performance at Partners in Prime, turning complex Amazon data into clear commercial actions. He focuses on PPC, reporting and performance strategy, using dashboards and insight to identify what is driving growth and where the next opportunity sits.
Focus
Amazon PPC · Analytics · Performance Strategy · Dashboards & Reporting
Amazon PPCAnalyticsPerformance StrategyDashboards
Pricing
Senior support.
Built to scale.
Pricing reflects the breadth of the engagement, including brand count, marketplace footprint, catalogue scale and the role Amazon plays within your wider channel mix.
Core
From£2,500/ month
Senior Amazon management for focused brand structures.
- Single brand or focused business unit
- Defined marketplace footprint
- Defined catalogue & priorities
- Small number of key stakeholders
Scale
From£4,000/ month
For established brands with a broader Amazon operation.
- Larger catalogue or product portfolio
- Multiple marketplaces
- Greater trading & operational complexity
- Wider internal stakeholder group
Enterprise
From£6,000/ month
For larger businesses with multiple brands, markets or commercial channels.
- Multiple brands or business units
- Multi-market Amazon operation
- Larger catalogue & trading footprint
- Amazon alongside retail, DTC & distribution
Custom
Scoped separately
For defined projects and specialist requirements.
- Marketplace launches & expansion
- Account recovery or restructuring
- Catalogue & content programmes
- Commercial Intelligence & strategic projects
All pricing shown as an indicative starting point and excludes VAT where applicable.
Questions?
Straight
answers.
The things brands usually ask before we get started. Answered without the agency jargon.
Still have a question? Talk to usFree 30 minute Health Check
Let's grow
together.
In 30 minutes, we'll review where your Amazon business is today, identify the biggest commercial opportunities and give you a clear view of what we'd tackle first.
1Choose a timePick a convenient 30-minute slot.
2We review your accountWe'll look at the available information before the call.
3Talk with Kyle or MaxNo sales team. You speak directly with an Amazon operator.
4Leave with a clear next stepUseful actions, even if we don't work together.
Prefer to contact us directly?
010203
Step 1 · Choose your Health Check
Pick a time that works for you.
Select a date and 30-minute slot. We'll send the calendar invite and Google Meet details once confirmed.
Available dates
Available times
Choose a date to see available times.
Selected
✓
You're all set
Your Health Check is reserved.
We'll confirm the booking by email with the calendar invite and Google Meet details.
Date & time
Meeting30-minute Amazon Health Check
WithKyle or Max · Partners in Prime
30 minutes · Google Meet · UK time