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.

What Is an Amazon Agency?

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.

What Services Does an Amazon Agency Provide?

Product Listing Optimization and SEO

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.

What this includes:

• Keyword research using tools like Helium 10, Jungle Scout, or Amazon's own search term reports
• Title optimization (front-loading high-volume keywords while staying readable)
• Bullet point rewriting (answering buyer questions, handling objections, highlighting differentiators)
• Backend search term configuration (hidden keywords Amazon indexes but doesn't display)
• Category and browse node selection (putting your product in the right place for discovery)
• Mobile formatting (bullets that work on a 390px screen, not just desktop)

Amazon Advertising (PPC, DSP, Sponsored Brands)

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.

What this includes:

• Sponsored Products (keyword-targeted ads in search results and on product pages)
• Sponsored Brands (banner ads at top of search, including video formats)
• Sponsored Display (product-targeting and audience retargeting)
• Amazon DSP (demand-side platform for programmatic display and video)
• Bid management and budget allocation across campaigns
• Negative keyword management (blocking irrelevant spend)
• Dayparting and time-based bid adjustments
• ASIN-level profitability analysis
• TACOS tracking (total advertising cost of sale, measuring ad spend as % of total revenue)

Content Creation (A+ Content, Storefronts, Photography)

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.

What this includes:

• A+ Content (formerly Enhanced Brand Content): image-rich product descriptions below the bullets
• Premium A+ Content: interactive modules with carousels, comparison charts, video embeds
• Brand Store design: your own mini-website within Amazon
• Product photography: white-background images, lifestyle shots, infographics, sizing guides
• Video production: product demos, unboxing videos, comparison videos
• Amazon Posts: Instagram-style feed content on the Amazon app

Brand Protection and Unauthorized Seller Management

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.

What this includes:

• Unauthorized seller monitoring (daily checks for new sellers on your listings)
• Test buys (purchasing from suspected counterfeiters to gather evidence)
• Cease and desist letters
• Amazon Brand Registry management
• MAP (minimum advertised price) enforcement
• Content piracy detection
• IP complaint filing through Amazon's reporting systems

Inventory and Supply Chain Management

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.

What this includes:

• Demand forecasting based on historical sales, seasonality, and growth trends
• Reorder recommendations and lead time tracking
• FBA shipment planning and coordination
• Amazon Warehousing & Distribution (AWD) management
• Inventory health monitoring (flagging aged inventory, excess stock, stranded units)
• Reimbursement claims for lost or damaged inventory

Account Health and Compliance

Amazon suspends accounts for policy violations, listing issues, or customer complaints. An agency helps you stay compliant and handles reinstatement if needed.

What this includes:

• Account health dashboard monitoring (policy violations, late shipments, ODR)
• Listing compliance checks
• Suspension appeals and plan of action (POA) writing
• Documentation management
• Product safety and testing coordination

Data Analytics and Reporting

Amazon provides mountains of data. Agencies turn it into decisions.

What this includes:

• Custom dashboards showing sales, ad spend, TACOS, ACOS, and profitability by ASIN
• Organic vs. paid attribution
• Competitive intelligence (pricing, rank changes, review velocity)
• Share of voice analysis
• Cohort analysis and LTV modeling

Types of Amazon Agencies

Not all agencies are structured the same way. Understanding the models helps you find the right fit.

Full-Service vs. Specialty Agencies

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 vs. Managed Services

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 (Vendor Central) vs. 3P (Seller Central) Expertise

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.

Wholesale Partners vs. Pure Agency

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.

How Much Does an Amazon Agency Cost?

Pricing is the question most competitor articles dodge. Here's what agencies actually charge and what drives the cost up or down.

Common Pricing Models

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.

What to Expect at Different Budget Levels

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.

When Should You Hire an Amazon Agency?

Signs Your Brand Has Outgrown DIY

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.

When an Agency Won't Help

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.

How to Choose the Right Amazon Agency

Most agencies sound the same on their websites. Here's how to separate signal from noise.

Questions to Ask Before Signing

"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.

Red Flags to Watch For

• Agencies that guarantee specific revenue or ranking outcomes. Amazon's algorithm, competitor behavior, and market conditions are outside anyone's control.
• Agencies that won't share data access or reporting. You should have full transparency into what they're doing in your account.
• Long lock-in contracts (12+ months) with no performance clauses. Quality agencies earn retention through results, not contracts.
• "Proprietary algorithms" with no explanation. Amazon's API is public. The tools are widely available. What matters is strategic judgment and execution quality.
• High account manager turnover. If your contact changes every six months, you're constantly re-onboarding.

What Results Should an Amazon Agency Deliver?

Realistic Timelines and KPIs

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.

How to Measure Agency ROI

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.

Frequently Asked Questions