You're doing $2M a year on Amazon with one person managing everything. Product listings haven't been updated in months. You're running automatic campaigns because manual targeting takes too long. Competitors with worse products are outranking you. During Q4, you ran out of stock for three weeks because forecasting is a spreadsheet you update when you remember.
You know something has to change. You've heard about Amazon agencies, but the websites all sound the same. "We grow brands on Amazon" doesn't tell you what they actually do day-to-day or whether spending $5,000 a month will fix your problems or just add another vendor to manage.
This guide explains what Amazon agencies actually do, written by a team that built 8-figure Amazon brands before we ever managed someone else's account. We'll cover the specific services, what good execution looks like, typical costs, when agencies help and when they don't, and how to evaluate potential partners without getting sold.
An Amazon agency manages some or all of your brand's Amazon presence. That could mean running your advertising, optimizing product listings, handling inventory planning, protecting your brand from unauthorized sellers, or all of the above.
The term covers a wide range of business models. Some agencies only run ads. Others handle everything except inventory buying. Some work inside your Seller Central account. Others operate as Vendor Central specialists or hybrid partners who buy your products wholesale and resell them.
Why Amazon agencies exist: Amazon is a retail platform, an advertising network, a logistics operation, and a data problem all at once. Doing it well requires skills that don't naturally overlap (copywriting, PPC management, supply chain planning, IP enforcement). Most brands don't have (and don't want to hire) a full team for one sales channel.
How they differ from general marketing agencies: A typical digital marketing agency knows Google Ads and Meta. An Amazon agency knows that organic rank is tied to conversion rate and sales velocity, that Amazon's attribution window is different from Google's, that stockouts kill your organic position for weeks, and that Seller Central's interface changes every few months in ways that break existing workflows.
Your general marketing agency will treat Amazon PPC like Google Shopping. An Amazon agency knows the difference between Sponsored Products (keyword-targeted, ranks you organically), Sponsored Brands (top-of-search placements, drives brand awareness), Sponsored Display (retargeting and audience-based), and DSP (programmatic display across Amazon and third-party sites). They know that running only auto campaigns leaves 60% of your potential traffic on the table.
Amazon SEO isn't Google SEO. There's no backlink building or domain authority. Ranking is a function of keyword relevance, conversion rate, and sales velocity. An agency improves your listings to rank higher and convert better.
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Amazon Ads is where most agencies start because it's the fastest lever for sales growth. It's also where the quality gap between good and bad agencies is widest.
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Shoppers make decisions in seconds. Your images, A+ Content, and Brand Store are the difference between a 15% conversion rate and a 3% conversion rate.
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If you're a brand owner on Amazon, unauthorized resellers and counterfeiters are a constant threat. They undercut your pricing, damage your reputation with poor fulfillment, and siphon revenue.
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Running out of stock kills your organic rank and takes weeks to recover. Overstocking ties up cash and racks up long-term storage fees. Good inventory planning is part forecasting, part game theory.
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Amazon suspends accounts for policy violations, listing issues, or customer complaints. An agency helps you stay compliant and handles reinstatement if needed.
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Amazon provides mountains of data. Agencies turn it into decisions.
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SupplyKick started as an Amazon seller in 2012. We built 8-figure brands before we ever managed someone else's account. We know what good execution looks like because we've done it ourselves.
Connect With Our TeamNot all agencies are structured the same way. Understanding the models helps you find the right fit.
Full-service agencies manage your entire Amazon presence (listings, ads, content, inventory, brand protection). This works well if you want one partner handling everything or if you're too small to justify hiring internal specialists.
Specialty agencies focus on one area. An ads-only agency runs your PPC but doesn't touch listings. A content agency builds A+ pages and Brand Stores but doesn't manage advertising. A logistics-focused agency handles inventory planning and reimbursement claims.
Specialty agencies make sense if you have internal capacity for some functions but need expert help in one area.
Consulting agencies advise and strategize but don't execute. You meet monthly, they review your account, recommend changes, and you (or your internal team) implement. Lower cost, but you need internal resources to execute.
Managed service agencies do the work. They log in to your account, launch campaigns, update listings, file reimbursement claims. Higher cost, but you're buying execution, not just advice.
Hybrid models exist (agency handles ads and content, you handle inventory and compliance).
1P agencies work with brands selling to Amazon as a wholesaler (Vendor Central). Amazon buys your inventory, sets the retail price, and controls the customer relationship. Agency work focuses on vendor negotiations, co-op advertising, and managing chargebacks.
3P agencies work with brands selling directly to customers through Seller Central. You control pricing, inventory, and customer service. Agency work focuses on PPC, SEO, and marketplace operations.
SupplyKick works primarily with 3P brands but has deep 1P experience from managing our own wholesale relationships.
Some agencies offer a wholesale model: they buy your products at a discount, list them on Amazon under their own seller account, and keep the margin. You get predictable revenue with no operational work. They take on inventory risk and margin risk.
A pure agency model means you keep ownership of the account, inventory, and customer relationship. The agency works inside your Seller Central as a managed service.
SupplyKick offers both. Our wholesale model works well for brands that want to treat Amazon as a distribution channel without building internal expertise. Our agency model works well for brands that want control and are willing to manage inventory and compliance.
Pricing is the question most competitor articles dodge. Here's what agencies actually charge and what drives the cost up or down.
Monthly retainer: $2,000 to $10,000+ per month depending on scope, catalog size, and service level. Retainers are predictable but don't align the agency's incentives with your revenue growth.
Percentage of ad spend: 10-20% of your monthly ad budget. Common for ads-only agencies. If you spend $20,000/month on ads, you pay $2,000-$4,000 in management fees.
Percentage of revenue: 3-10% of your total Amazon revenue. Common for full-service agencies. Aligns the agency's success with yours but can feel expensive at scale.
Hybrid models: Base retainer + performance bonus tied to growth or profitability. For example, $3,000/month retainer + 2% of revenue over a baseline.
Project-based fees: One-time charges for specific work like a listing overhaul ($2,000-$5,000), Brand Store buildout ($3,000-$8,000), or account audit ($1,500-$3,000).
SupplyKick uses custom pricing (not a fixed percentage of ad spend) because we manage more than just ads. Our fees are structured around scope of work, catalog complexity, and strategic involvement.
Pricing matters, but so does what you're buying. A $10,000/month agency that increases revenue by $200,000 is a better deal than a $3,000/month agency that keeps you flat.
You're doing $500K+ on Amazon with one person managing everything. The operational load is overwhelming. Listings aren't being updated. Ads are set-and-forget. Inventory planning is guesswork. You're leaving money on the table because there aren't enough hours in the day.
Your internal team knows ecommerce but not Amazon. You have a strong Shopify operation, but Amazon is a different game. You're running Google-style PPC campaigns that don't account for organic rank. An agency brings platform-specific expertise.
You're losing market share to competitors with better content and ad strategies. Your product is as good or better, but competitors have video-heavy A+ Content, run aggressive top-of-search campaigns, and own Page 1. Catching up requires expertise and execution capacity you don't have internally.
You're preparing for a sale or raising capital. Investors and acquirers want to see clean operations, predictable growth, and defensible market share. Agencies help professionalize your Amazon channel.
You're expanding to international marketplaces. Adding Canada, UK, Germany, and Japan multiplies complexity (currency, regulations, fulfillment, language). Agencies with international experience shorten the learning curve.
You're doing under $200K annually with a stable, simple catalog. The math doesn't work. If you're doing $15,000/month in revenue with 80% margins, paying an agency $3,000/month leaves you with $9,000 in gross profit. You're better off running basic campaigns yourself.
Your product has fundamental issues. If your conversion rate is 2% because your product has 3.2-star reviews, bad images, and a weak value proposition, an agency can't fix that with better ads. Fix the product first.
You're not willing to invest in inventory. Agencies can drive sales, but if you can't keep products in stock, growth stalls.
You want someone to "just handle Amazon" without any involvement. Amazon isn't a set-it-and-forget-it channel. Even with an agency, you'll need to approve content, provide product information, coordinate with suppliers, and make strategic decisions.
You're expecting overnight results. Amazon growth is compounding. Listing optimization takes weeks to show impact. Advertising efficiency improves over months as you gather data.
Most agencies sound the same on their websites. Here's how to separate signal from noise.
"What's your background with Amazon? Have you ever run your own brands?" Agencies that started as sellers understand operational risk differently than agencies that only manage other people's accounts. We started by listing a watch box on Amazon in 2016, built it into a top-selling brand, and then built multiple 8-figure brands before taking on outside clients.
"Who will actually manage my account day-to-day?" You're not hiring the founder who shows up on the sales call. You're hiring the account manager who will be in your Seller Central every day. Ask to meet that person.
"What does your reporting look like, and how often do we talk?" Ask for a sample report. Is it Amazon's default exports with no analysis, or a custom dashboard with insights and recommendations?
"How do you handle underperformance?" If sales drop or TACOS increases, what's the process? Do they proactively adjust strategy, or do you need to ask?
"Can you share case studies or references from brands in my category?" Generic case studies are less useful than specific examples in your category or business model.
"Are you an Amazon Ads Verified Partner?" Verified Partners have direct relationships with Amazon's ad team, early access to beta features, and demonstrated expertise. SupplyKick is a Verified Partner.
Months 1-3: Foundation and data gathering. The agency audits your account, rebuilds campaign structure, refines listings, and starts collecting performance data. You'll see small wins (ACOS improvement, better-converting product pages), but major revenue growth is unlikely. This is infrastructure work.
Months 4-6: Momentum builds. Optimized listings start ranking higher organically. Ad campaigns have enough data to refine targeting. Content updates improve conversion rates. Revenue growth in the 15-30% range vs. baseline is reasonable.
Months 7-12: Compounding effects. Organic rank improvements from better conversion and sales velocity start paying off. Ad efficiency improves as negative keywords accumulate. Revenue growth in the 30-50% range vs. baseline is realistic for well-executed engagements.
Year 2+: Sustained growth or plateau. Some brands hit market saturation. Others continue growing through new product launches, international expansion, or category dominance.
For context, SupplyKick's agency partners see an average of 35% sales growth in Year 1. That's not a guarantee (some grow 80%, some grow 10%), but it's a reasonable expectation when starting conditions are good.
Incremental revenue vs. cost. If you're paying an agency $60,000/year and revenue increases by $500,000 (with 30% margins), you've added $150,000 in gross profit. The agency paid for itself 2.5x over.
Time savings. If hiring an agency frees up 20 hours a week of internal time that you redirect toward product development, that's ROI even if revenue stays flat.
Opportunity cost. If the alternative is hiring an internal Amazon manager ($80,000 salary + benefits + tools), and the agency costs $50,000/year with better results, the agency is the better investment.
TACOS trends. If TACOS decreases while revenue grows, the agency is improving efficiency. If TACOS stays flat but revenue doubles, you're scaling profitably.
SupplyKick combines operator experience with agency execution. We've been on both sides. Let's figure out if an agency is the right fit for your brand.
Talk to Our TeamAn Amazon agency manages some or all of your brand's Amazon presence. Services include advertising (PPC, DSP), product listing optimization, A+ Content creation, inventory planning, brand protection from unauthorized sellers, account health monitoring, and data analytics. Some agencies focus on one area (ads-only), while full-service agencies handle everything.
Amazon agency pricing varies by model: monthly retainers ($2,000-$10,000+), percentage of ad spend (10-20%), percentage of revenue (3-10%), or hybrid models. Full-service management for brands doing $500K-$2M annually typically runs $3,000-$6,000/month. Brands doing $2M-$10M should expect $8,000-$15,000/month for senior-level strategic involvement.
Hire an Amazon agency when you're doing $500K+ annually with one person managing everything, your internal team knows ecommerce but not Amazon specifically, you're losing market share to competitors with better content and ad strategies, or you're preparing for a sale or international expansion. Don't hire one if you're under $200K annually, your product has fundamental issues, or you expect overnight results.
Full-service agencies manage your entire Amazon presence (listings, ads, content, inventory, brand protection). Specialty agencies focus on one area, like PPC management or content creation. Full-service works well if you want one partner handling everything. Specialty makes sense if you have internal capacity for some functions but need expert help in a specific area.
Months 1-3 are foundation work (account audit, campaign restructuring, listing optimization). Months 4-6 should show 15-30% revenue growth as optimizations take hold. Months 7-12 typically deliver 30-50% growth through compounding organic rank improvements and ad efficiency. SupplyKick's agency partners average 35% sales growth in Year 1.