Swell Country | 10x Growth Engine for Brands

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Amazon Advertising Agency

Dominate Amazon.
10× Your Revenue.

We build Amazon advertising systems that compound—turning browsers into buyers and one-time purchases into lifetime customers.

  • Sponsored Products & Brands
  • DSP & Programmatic
  • Full-Funnel Strategy
  • LTV-Focused Optimization
Trusted by 780+ brands generating $300M+ in revenue
Amazon advertising ROI dashboard showing performance metrics across advertising channels
↑ 340%
Revenue Growth
12×
Average ROAS
The Amazon Problem

Most Amazon agencies optimize for ACoS. We optimize for profit.

Bleeding Money on Ads

High ACoS eating into margins with no clear path to profitability. Every dollar in, less than a dollar out.

No Brand Building

Stuck in the sponsored products hamster wheel with no long-term moat. Competitors outpace you every quarter.

Zero Customer Data

Amazon owns the relationship—you just rent the traffic. No emails, no retargeting, no lifetime value.

Random Tactics

Campaign tweaks without a system equal unpredictable results. Growth one month, decline the next.

There's a better way. A system that compounds.

The Amazon Growth System

Here's how we 10× your Amazon revenue—with a system, not random tactics.

Sponsored Products Mastery

We don't just set up campaigns—we engineer a self-optimizing machine that improves every single day.

  • Keyword harvesting & negative targeting
  • Bid optimization by placement
  • Campaign structure that scales
  • Auto-to-manual promotion workflows

Sponsored Brands & Video

Own the top of search and stop the scroll with video ads that build brand equity while driving conversions.

  • Brand awareness at the top of search
  • Video ads that stop the scroll
  • Store spotlight campaigns
  • Custom headline testing

Amazon DSP

Programmatic display that builds a moat around your brand—retargeting, lookalikes, and full-funnel attribution.

  • Programmatic display across Amazon properties
  • Retargeting past viewers and purchasers
  • Lookalike audience expansion
  • Full-funnel attribution

Listing & Conversion Optimization

The best ads in the world won't save a bad listing. We optimize every pixel to maximize conversion rate.

  • A+ Content that converts
  • Keyword-optimized titles and bullets
  • Image stack strategy
  • Review velocity programs

Analytics & LTV Tracking

We don't guess—we measure. Every decision backed by data, every dollar tracked to contribution margin.

  • TACoS and contribution margin focus
  • Cohort analysis for repeat purchases
  • Competitor monitoring
  • Monthly P&L reporting
Amazon Success Stories

Real brands. Real revenue. Real compounding.

Health brand celebrating 340% revenue growth through Amazon advertising optimization
Supplements Sponsored Products

Health Brand: 340% Revenue Growth in 6 Months

ACoS dropped from 45% → 18%
Kitchen brand e-commerce success generating $2.4 million in year one on Amazon
Home Goods DSP

Kitchen Brand: $2.4M in Year One

12× ROAS on DSP campaigns
Skincare DTC brand scaling from $50K to $400K per month with full-funnel Amazon strategy
Beauty Full Funnel

Skincare DTC: From $50K to $400K/mo

67% repeat purchase rate
Tech accessory brand achieving page 1 domination through sponsored brands strategy
Electronics Sponsored Brands

Tech Accessory Brand: Page 1 Domination

Top 3 ranking for 47 keywords
The 10× Amazon Roadmap

From audit to compounding growth in 3 steps.

No guesswork. No random tactics. A proven system deployed by our team of 20+ specialists.

01

Free Amazon Audit

We analyze your catalog, ad accounts, and competitors to find where revenue is leaking—and where compounding growth is hiding.

02

System Build-Out

We deploy your custom Amazon Growth System—sponsored ads, DSP, listing optimization, and analytics—all working together.

03

Scale & Compound

Each month gets more profitable as we optimize, expand, and compound your results. This is where the 10× happens.

Investment

Amazon growth systems built to pay for themselves—usually within 30 days.

Starter
Launch Pad
$2,997/mo
Best for brands doing <$50K/mo on Amazon
  • Sponsored Products management
  • Keyword research & optimization
  • Bi-weekly reporting
  • Slack support
  • Up to 50 SKUs
Get Started
Scale
Market Dominator
$9,997+/mo
Best for brands doing $250K+/mo
  • All Growth features
  • Full DSP management
  • Dedicated strategist
  • Daily optimization
  • Unlimited SKUs
  • Executive reporting & QBRs
Get Started
No long-term contracts 30-day performance guarantee Ad spend not included
Frequently Asked Questions

Common questions about Amazon advertising.

Can't find the answer you're looking for? Reach out to our team directly.

We typically work with brands spending at least $5,000/month on Amazon ads. Below that, the data isn't sufficient for our optimization systems to work effectively. More spend means faster learning, faster compounding.

Yes, but you need at least 3–6 months of sales history and a product that's validated. We're not a launch agency—we're a scale agency. If you've proven product-market fit, we'll build the engine that 10×'s it.

We focus on TACoS (Total Advertising Cost of Sale) and contribution margin, not just ACoS. A 30% ACoS on a campaign driving organic rank is worth more than a 15% ACoS on a dead-end keyword. It's systems thinking—every campaign serves the whole.

Yes. DSP is a core part of our full-funnel strategy for brands doing $100K+/month. It's how you build a moat and retarget off-Amazon. Without DSP, you're leaving serious money on the table.

Most clients see meaningful improvements within 30–60 days. Full system compounding typically kicks in around month 3–4. That's when the growth curve goes exponential.

Yes, we manage both Seller Central and Vendor Central accounts. Each has unique optimization strategies, and our team has deep expertise across both platforms.
What Our Clients Say

Results that speak for themselves.

"Swell Country took our Amazon business from $80K/month to $340K/month in under a year. Their systems approach changed everything—we're not just running ads, we're building a brand."

SC
Sarah Chen
Founder, PureGlow Supplements

"We tried three Amazon agencies before Swell Country. The difference? They actually understand profitability, not just top-line revenue. Our margins are up 40%."

MJ
Marcus Johnson
CEO, HomeStack Goods

"The DSP campaigns alone generated $600K in incremental revenue. Yu and the team are the real deal."

JW
Jennifer Walsh
CMO, Luxe Beauty Co
Get In Touch

Ready to dominate Amazon? Let's build your growth system.

YI
CEO & Founder

Yu Imamura

Award-winning designer and marketing consultant with 18+ years of experience. Clients include Disney, Keller Williams, and New American Funding.

Orange County, California

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