“Full service” means nothing without a defined client. Two brands approach the s
By Simon Ellicott · October 13, 2026 · Curated by George's Blog
“Full service” means nothing without a defined client.
Two brands approach the same Amazon agency.
Both sell through Seller Central.
Both have similar revenue.
Both want to grow.
One has an experienced Head of Amazon, an internal creative team and someone managing stock.
They need reliable execution against a plan they already own.
The other has no dedicated Amazon leadership.
They need help deciding priorities, understanding profitability, planning investment and coordinating the people involved.
The same service list will not create the same value for both.
Yet both may be sold “full-service Amazon management”.
Advertising.
Content.
Catalogue.
Reporting.
Account management.
It looks comprehensive.
But who owns the commercial plan?
Who decides what to prioritise?
Who challenges the growth target?
Who connects advertising spend with stock and cash?
Who takes the decisions back to the leadership team?
For the first client, some of those responsibilities already sit internally.
For the second, leaving them unassigned creates a gap at the centre of the relationship.
The difference becomes sharper across 1P and 3P.
Vendor negotiations and trading terms require different expertise from managing a Seller Central operation.
Calling both “full service” does not explain how either will be supported.
A useful service proposition starts with the client.
Their channel.
Their internal capability.
Their commercial priorities.
The decisions they need help making.
The work they need someone else to own.
Then define the agency's contribution.
What will we lead?
What will we execute?
What will we advise on?
What remains with the client?
Where will a specialist partner be involved?
That clarity helps you price the relationship, staff it properly and explain its value.
It also helps the client choose.
“Full service” can be a useful shorthand once those responsibilities are clear, until then, it leaves too much open to interpretation.
When you say “full service”, could your team and your client separately explain where your responsibility ends?