Verified and listed (typed)
119
80 prep specialists, 31 multi-service operators, 8 full 3PLs. Each cleared the 4-point operator standard.
We tracked, deduplicated, and adjudicated 714 distinct entities that present themselves as Amazon FBA prep services, an estimated 92% of the web-visible population (~777 by mark-recapture). 50% are actually 3PLs or fulfillment platforms wearing the prep label, and 20% are dead. 119 cleared our verification standard and are listed, each typed for what it actually is.
~777
50%
20%
119
As of 2026-08-29, fbaprepfinder estimates roughly 777 web-visible entities worldwide present themselves as Amazon FBA prep services (mark-recapture estimate; 714 individually tracked, 85% US). Only 127 of the tracked entities look like genuine prep specialists: 80 verified and listed plus 47 candidates in vetting. 50% are general 3PLs or fulfillment platforms where prep is a side offering, and 20% are dead.
Buckets partition the 714 tracked entities and sum exactly. No survivor funnels: machine verdicts appear as counts only, and unclassifiable entities stay in their own bucket.
119
80 prep specialists, 31 multi-service operators, 8 full 3PLs. Each cleared the 4-point operator standard.
47
Look like genuine prep specialists; awaiting verification or on dated holds (most commonly the 12-month operating minimum).
16
Presented as prep centers but failed human verification: fabricated tenure, recycled testimonials, cloned sites, unverifiable identity.
360
General third-party logistics or multi-channel fulfillment where FBA prep is a sub-page, not the productized core.
144
Site unreachable or business defunct at last check. Dead is re-checked, not permanent; a July 2026 re-sweep found 13 previously dead sites back online.
28
Too thin or ambiguous to classify with confidence. An honest bucket, never counted as classified out.
As of July 2026, every listed operator carries an explicit type, because "prep center" turned out to be a label half the market borrows rather than a business model:
Prep specialist
80
Inbound FBA prep is the productized core: per-unit receiving, inspection, FNSKU labeling, polybagging, bundling, forwarding.
Multi-service
31
Prep-primary positioning with a real co-primary line: DTC or B2B fulfillment, contract packaging, sourcing, storage divisions. Disclosed on every profile.
Full 3PL
8
General fulfillment operations with a confirmed, substantive FBA prep service. Never ranked and never counted in specialist stats.
What stays pure: our ranked list and headline counts are prep-specialist territory. Directory inclusion is not ranking, and a paid tier never changes a type or a rank.
Discovery. Entities enter the census from multi-modal sweeps: search queries in four languages, competitor directory mining, seller community mentions, and inbound applications. Every entity is deduplicated by domain before counting.
Classification. A machine first-pass proposes a label; every published, rejected, or held verdict is human adjudication against primary sources (state registries, Companies House, Impressum/VAT records, archived snapshots, third-party reviews). Machine labels alone never publish anything and appear here as counts only.
Coverage estimate (mark-recapture). On 2026-07-14, with 691 entities tracked, we ran three independent discovery agents that surfaced 136 candidates. Of those, 121 were already in our database, a 89% recapture rate. The Lincoln-Petersen estimator (691 x 136 / 121) puts the web-visible population at roughly 777. Operators with no web presence at all (cottage shops recruited inside seller communities) are invisible to this method and not counted.
Churn. Dead is a timestamped observation, not a tombstone: sites are re-swept, and recovered operators re-enter vetting. Published listings are re-verified on an ongoing cadence and flagged visibly when checks fail.
The named integrity exclusions (fabricated tenure, AI-generated storefronts, recycled testimonials) are published with reasons in our verification study. The full census dataset is downloadable as JSON under CC BY 4.0.
Free to reuse with attribution; the full census dataset is published under CC BY 4.0. The cards re-render from the live counts and carry the date they were served, so an embed on your page stays honest as the census moves.
A dated card that re-renders from this study, so it cannot quietly go stale on your page. Free to use with attribution.
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Verification study
How we verify, the live check ledger, and the candidates we excluded by name and reason.
Pricing Index 2026
Median US entry rate, tax-free premium, and setup-fee share, built only from published, dated rate cards.
Top verified prep centers
The prep specialists that cleared the standard, ranked editorially with the data behind each pick.
Run a prep operation or a 3PL with a real FBA prep service? Apply to be reviewed.
FBA Prep Pricing Index 2026
The per-unit pricing half of this census: median entry rate, tax-free premium, setup-fee prevalence.
Open the index →
FBA prep verification study
How the directories serving this market hold up when their own listings are checked.
Open the study →
What we track and verify
The live roster behind these numbers, updated as the sweep runs.
Open the coverage report →
How we verify
The 4-point operator standard that decides which entities in this census count as published.
Read the method →
Top verified prep centers
The operators that survived the census, ranked, with rate cards and verification dates.
Open the ranking →
FBA prep 3PLs
The roughly half of this market that is a 3PL wearing the prep label, listed and labeled honestly.
See the 3PL split →