Astra Managed Edition
Our expert analysts do it for you. We manage your campaigns so you can focus on growing your business. Built for businesses that need advanced strategy and support.
- Senior analysts, no juniors
- Selective portfolio, focused attention
From the team behind the software, Sellrbox gets you results.
We devise pragmatic plans, relentless execution, and measurable impact on growth.
Real Expert Management
Our team is not made up of junior media buyers or outsourced contractors. Every account is led by operators who have built, scaled, and exited their own Amazon brands. We understand margin pressure, inventory risk, and cash flow because we have managed it ourselves.
We are certified across Amazon's advertising ecosystem, including Sponsored Ads and DSP. Credentials alone do not drive performance. We combine platform expertise with deep Seller Central experience to optimize for profitable growth, not just higher ad spend.
We intentionally limit the number of brands we work with. If we do not believe we can create measurable upside, we will not take the account. This ensures every client receives senior-level strategy, proactive management, and focused attention instead of account churn.
“We chose Sellrbox because they clearly understood Amazon at a deep level. They were upfront about how they work, including the fact that they only take on accounts they know they can manage well. Knowing they run everything through their own Astra system gave us confidence in their process. You're working with an experienced team that values quality over volume.”
Data-driven Strategies
ROAS does not build businesses. Profitability does. We use advertising to improve margins, rank, and long-term scale while protecting contribution profit, inventory health, and organic lift.
We track performance beyond surface-level ad metrics. You see the connection between advertising, organic sales, blended TACoS, and bottom-line profitability. If it does not move the business forward, it does not stay in the strategy.
You get customizable reporting built around what matters most to your business. Track revenue, spend, margins, SKU performance, and marketplace breakdowns in one unified view. No digging through spreadsheets. No guessing where profit is coming from.
“What stood out was that they didn't just chase ROAS. They looked at the full picture: margins, organic lift, long-term rank. It finally felt like our ads were working for the business, not just the ad account. And we could actually see the impact clearly in the reporting.”
Talk to your team, not a ticket.
A team of dedicated account specialists works your account from a shared Slack channel: same-day answers, monthly performance calls, and changes made before wasted spend adds up.
Animated demo transcript: Maya from Tuneup Fitness writes: Heads up: our team expects the new SKU to sell out this year with the Prime Day promo. Want to make sure we’re covered. Mark from Sellrbox replies: Given that timeline we’d send a higher shipment this round. Last year’s velocity plus the promo lift puts you short by week two. Maya asks: How much higher are we talking? Shaan from Sellrbox replies: Roughly 40% over last year’s Prime Day units. We’ll model it against current inventory and lead times and send numbers today. Maya replies: Thanks for taking care of it guys. Mark, Shaan and Ellen react with saluting-face, hundred-points and check-mark emoji.
Face to face, every month.
A standing call with your senior analyst. They share the deck, walk the numbers, and you leave with next month’s plan. This is the way performance reviews should work.
Interactive demo: a mock video call with Mark Li, your senior PPC analyst, for the monthly performance review. Accepting the call connects you, then the analyst screen-shares a seven-slide August 2026 review deck prepared for Tuneup Fitness. The deck covers: a title slide; August at a Glance, reporting $58,412 in ad-attributed sales, up 24% on July, at 5.2x ROAS and 7.3% TACOS across 1,847 ad orders, with 12 keywords entering the organic top ten; a six-month trend showing ad sales up 53% since March while TACOS fell every month; campaign performance split across Sponsored Products, Brands and Display; the four top-selling products, which drove 80% of ad sales; August wins and the September focus; and a closing question-and-answer slide. An in-call chat panel and emoji reactions are part of the demonstration.
RTunesAuto parts · USSame account. Two managers. Over a year side by side: 51.7% vs 19.4% ACOS.
The owner of RTunes built his business on PPC, so instead of handing over the keys, he proposed the fairest test in the business: his campaigns and Astra's, running side by side in the same account, for over a year.
19.4%
ACOS on the Astra-run campaigns
51.7%
ACOS self-managed, same account
8 min
Hands-on minutes per week
BioGlückLimited time · Fall sale
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Lock in $500 a month off Growth and Advanced before September 30. An analyst will audit your account first, at no cost.