eProofficials

Amazon PPC & Seller Central growth agency

Profitable Amazon growth,
engineered.

We help Amazon brands turn advertising, listings and Seller Central data into durable, profitable growth — with the metric, the constraint and the expected effect named up front.

Ascending bars with a rising trend line, above a marketplace unit
Amazon Ads certified
Seller Central management
US · UK · EU
Top Rated on Upwork
100% Job Success
Sponsored Ads and Sponsored Ads Advanced certification, Amazon Ads Academy.

The four services

01 / 04  ·  PPC management

Spend that has to justify itself.

Our largest service. Campaigns structured so every pound is attributable — separated match types, deliberate harvesting, and negative keyword hygiene that stops budget leaking into terms that will never convert.

  • Sponsored Products, Brands and Display
  • Bid and placement strategy against target ACoS
  • Budget pacing and seasonal planning

02 / 04  ·  Content and creative

What decides whether the click converts.

Advertising buys the click. Copy, images and A+ content decide whether it becomes an order, which is why creative sits directly beneath PPC rather than off to one side.

  • Listing copy: titles, bullets and backend keywords
  • Listing images, infographics and A+ content
  • Brand Store design and layout

03 / 04  ·  Catalog management

The listings themselves, under control at scale.

Variation structure, data quality and bulk change management. Past a few hundred SKUs this is the difference between a catalogue you manage and one that manages you.

  • Catalogue and variation health
  • Flat-file bulk updates at scale
  • Pricing and offer positioning

04 / 04  ·  Compliance management

The floor everything else stands on.

A suppressed listing converts at zero regardless of bid strategy. Most advertising problems we are called in for turn out to start here.

  • Account health and policy compliance
  • Case management with Seller Support
  • Brand Registry and hijack protection

How we work

Evidence first, then action.

No engagement starts with a plan. It starts with an audit that names what is actually constraining profit — and sometimes concludes that you do not need us yet.

Start with the audit

  1. Audit

    We review advertising structure, listing performance, margin and account health, then report the constraints we find in priority order.

    Output — prioritised constraint list

  2. Agree the metric

    Before any work begins we agree the single number this engagement is accountable to, and what a realistic movement in it looks like.

    Output — one accountable number

  3. Build and test

    Changes go out in deliberate batches so effects stay attributable. What worked is kept, what did not is documented and reversed.

    Output — logged change history

  4. Report and compound

    Monthly reporting connects activity to profit and margin — the action taken, the effect observed, and what it changes next month. It summarises a daily record kept in Helm, rather than reconstructing one.

    Output — monthly written report

By the numbers

Measured momentum, not guarantees.

Three accounts, three different constraints. Each figure is read from that account's own profit-and-loss dashboard and is described in full on the results page.

01

19%

Net margin on a US food account, up from 5% — on 42% less ad spend

02

45%

Ad spend cut on a US supplement account, with sales holding and profit reaching about $4,900 a month

03

4.5x

Order volume in a single month on an EU account, with net margin held near 9%

Figures cover work delivered to date and are not a projection. Marketplace outcomes depend on competition, seasonality and platform changes outside any agency's control. See the full cases

Selected work

What actually moved, account by account.

Every figure is read off the account's own Seller Central, Amazon Ads or Sellerboard dashboard. Client names are withheld; the numbers are not.

US  ·  Food and grocery

Nearly four times the profit, on less spend

$784 to $3,630 in monthly net profit, and 5% to 19% net margin, without adding a pound of revenue.

Read the case

UK  ·  Sponsored ads

Two months inside a 0.3-point band

16.18% and 16.47% ACoS across March and April while scaling. Consistency is what makes a budget plannable.

Read the case

US  ·  High-ticket

$112,497 in two months at 11.26% ACoS

420 active listings at a $228 average order value, where the ACoS target is set by margin rather than by category.

Read the case

See the case studies

Evidence before excitement. Profit before vanity metrics. Clear actions, not vague theory.
The three rules every recommendation we make has to pass.

Next step

Start with the audit.

You get a written view of what is constraining profit in your account, in priority order, with the expected effect of fixing each one. If the honest answer is that you do not need an agency yet, we will tell you that.

What you get

A written view of what is constraining profit, in priority order, with the expected effect of addressing each one.

What we need

Read access to advertising and business reports. No changes are made to your account during an audit.

What it is not

Not a sales call with a report attached. If your account does not need an agency yet, the audit will say so.