Profitable Amazon growth,
not lucky months.
Spenzio is an in-house Amazon growth team for serious brands. We run PPC, DSP, and full account management with one rule: contribution margin goes up, or we don't get paid.
We measure the only metrics that hit the P&L.
Five disciplines.
One operating system.
Every retainer includes the full stack. We don't sell PPC and ignore the listing — that's how brands stay stuck.
Amazon PPC
Sponsored Products, Brands & Display — managed by senior strategists with daily bid governance.
Amazon DSP
On-platform programmatic for retargeting, conquest, and incrementality measurement.
Full Account Mgmt
Cases, inventory, brand registry, FBA reimbursements — your seller-central operations team.
Listing Optimization
Title, bullets, backend search terms — rebuilt against the search-share data, not vibes.
A+ & Brand Story
Modular A+, premium A+, and Brand Story modules built for conversion, not awards.
Insights & Reporting
A profit-led dashboard, weekly written notes, monthly ops reviews. No jargon, no surprises.
Northwave doubled revenue
and halved their TACoS.
Inherited a sprawling 1,400-keyword campaign with 22% TACoS. Rebuilt the architecture around margin-tier products. Eight months later: $4.8M run-rate at 9.4% TACoS.
Start with a free 47-point audit.
No call required.
Submit
60-second intake form. No credit card, no sales call.
Audit
Two senior strategists score on 47 points over 7 days.
Report
30-page PDF + 12-min Loom delivered to your inbox.
Decide
Use the report yourself, or onboard us to execute.
The same audit our paying clients get on day 1.
- Campaign architecture review (47 checkpoints)
- Listing health & search-share gap analysis
- Profitability map of every ASIN
- Competitor PPC pressure assessment
- 12-min Loom walkthrough — no slides
- 30-page PDF — yours to keep, no strings
What founders & CFOs tell their boards.
"They run our Amazon channel like in-house operators with skin in the game. TACoS dropped, profit didn't."
"We replaced a 6-person agency and an in-house manager with Spenzio. Reporting got better. Margin got better."
"First agency I've worked with that talks about contribution margin without me bringing it up first."
If we don't lift your contribution margin in 90 days, we work for free until we do.
One simple promise. Documented in your MSA, measured against the baseline we set in week one. No fine print, no asterisks.
The 12 questions every founder asks us.
What's the minimum brand size you take?
We work best with brands at $1M+ Amazon ARR. Below that we'll usually point you to a self-serve playbook.
How fast do you onboard?
Day 1: kickoff & access. Week 1: baseline + audit. Week 2: first restructuring. Week 4: new architecture live.
Do you take retainers or % of spend?
Flat retainers, tiered to Amazon ARR. We never bill on % of ad spend — that's a conflict of interest.
What's the contract length?
Quarterly with a 30-day exit. We'd rather earn quarter four than lock you into year one.
Can I keep my listings copywriter / DSP team?
Yes. We integrate or replace based on what makes you more profitable. Often we keep your in-house team.