Introduction
The Shelf and IMA both run influencer campaigns for recognisable brands, though they are built at different scales. The Shelf is a performance agency in Atlanta describing its work as full-funnel influencer marketing, which means measuring beyond awareness into consideration and conversion. IMA, the Influencer Marketing Agency, works from Amsterdam on global campaigns and sits inside Media.Monks, itself part of S4 Capital.
That ownership detail changes the character of the engagement. A brand hiring IMA is hiring a team with a listed group behind it, which brings resources and process. A brand hiring The Shelf is hiring an independent shop where the funnel framing is the product. This comparison covers what each does, how solid the public evidence is and what remains yours to do.
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The Shelf vs IMA at a glance
The quick read on an independent performance agency against a group-owned global one, with Flinque shown for contrast.
| Feature | The Shelf | IMA | Flinque |
|---|---|---|---|
| Model | Performance agency | Full-service agency | Self-serve software |
| Headquarters | Atlanta, Georgia | Amsterdam, Netherlands | Remote, serving 25+ countries |
| Ownership | Independent | Media.Monks, part of S4 Capital | Independent |
| Stated approach | Full-funnel influencer marketing | Global influencer campaigns | Discovery and vetting |
| Reported clients | Nordstrom and Savers Value Village | Diesel, Tommy Hilfiger and Nivea | Self-serve, no client gate |
| Evidence quality | Own-site clients only, verified | Named on public record | Published pricing |
| Pricing | Quote per campaign | Quote per campaign | Free $0, Starter $49/mo, Enterprise $150/mo |
What The Shelf is
The Shelf is a performance agency in Atlanta working on what it calls full-funnel influencer marketing. The phrase is worth unpacking. Most influencer work is bought and measured at the top of the funnel on reach and engagement. A full-funnel framing commits the agency to tracking further down toward consideration and purchase, which is harder to do and harder to hide behind.
Reported clients on its own site include Nordstrom, Savers Value Village, ROAR Organic and Peelz Citrus. That is a retail and beverage mix at mid-market scale rather than a list of global giants. One point deserves stating openly: two other names, Neutrogena and Hulu, appear in third-party directories but not on the agency's own site, so they have been left out here. That is the kind of gap worth raising directly rather than assuming, because directory listings are frequently stale or aspirational.
What IMA is
IMA operates from Amsterdam on global influencer campaigns and forms part of Media.Monks, which sits inside S4 Capital. Two layers of ownership above the agency is unusual in this category and it has real consequences. Process, procurement and reporting standards tend to follow group ownership, which suits large advertisers and can feel heavy to a smaller brand.
Reported clients include Diesel, Tommy Hilfiger, Nivea and Samsung. Fashion, skincare and consumer electronics across multiple markets is consistent with the global positioning. For a brand running campaigns in several countries at once, that international footprint is the main thing being bought. For a single-market brand it may be more apparatus than the job requires, so it is fair to ask what the smallest sensible engagement looks like.
Head to head
Scale is the honest dividing line. IMA suits multi-market campaigns where consistency across countries matters and where group-level process is an asset rather than friction. The Shelf suits a brand that wants influencer spend held to funnel metrics and prefers dealing with an independent team. There is also a difference in how each can be verified. The Shelf publishes a modest client list on its own site, which is fewer names but firmer ground. IMA carries recognisable global brands and a public corporate structure. Neither is a discovery tool. Both propose creators from their own relationships, so the pool is set before you arrive. In a full-funnel brief that matters more than usual, because conversion depends on audience fit rather than on reach alone.
Where each one leaves a gap
Where The Shelf leaves a gap
- The verified client list is short at four names on the agency's own site. Two further names circulate in directories without first-party confirmation.
- Full-funnel measurement requires your own tracking to be in order. Without it the agency cannot prove the part that distinguishes it.
- No published pricing. Cost cannot be judged before a scoping conversation.
Where IMA leaves a gap
- Two layers of group ownership above the agency add process. A smaller brand should ask what the minimum viable engagement is.
- The global positioning is built for multi-market work. A single-market campaign may not need what you are paying for.
- Pricing is quote-based, so comparison against another agency requires both to scope the same brief first.
Where Flinque fits
Flinque is software rather than an agency and does not compete with either on delivery. It covers discovery and vetting, indexing 10M+ verified creators across 4 platforms with 200 data points per creator reported on each profile, which lets you check audience location and authenticity independently.
For a full-funnel brief that check is not cosmetic. Conversion depends on whether a creator's audience actually matches your buyer. Reach figures say nothing about that. Running the filter yourself before either agency proposes a roster means you can ask why a specific creator is on the list rather than accepting it. Flinque is self-serve with no demo and no annual lock-in. The Free Plan is $0, Starter is $49 a month and Enterprise is $150 a month, so the check costs less than the time spent preparing a brief.