---
title: For agencies that run brands and marketplace sellers
canonical: https://chosenbyagent.com/for/agencies
updated: 2026-10-22
audiences:
  - marketplaces
  - sellers
  - brands
offers: []
description: Run agent access audits, choice tests and listing checks for your brand and marketplace-seller clients under your own brand, with a cabinet per client.
---

# For agencies that run brands and marketplace sellers

Your clients already ask whether ChatGPT recommends them and whether a shopping agent can buy from their store. You can answer with measurements instead of screenshots.

## What you can offer

- **Agent access audit** — whether shopping agents get through a client’s store to the payment page, and where they stop.
- **Choice test** — who wins the client’s category, mentioned versus chosen, and what moves the choice.
- **Listing visibility check** — whether assistants show a marketplace seller’s listings or a competitor’s.
- **Offer lab and monitoring** — test a change before it ships, and re-run after every major model release.

## How it works

Each client gets their own cabinet, and reports carry your brand. The method, the stamps and the limits stay the same as in our own reports, so your clients can check how every number was produced. Prices are on the [pricing page](/pricing#B6).

## Independence

Agencies pay us for their clients’ results; we never take fees for placement, and we do not let one client see another client’s results.

- **B6 White-label for agencies** — from €300 (per client per month). A cabinet per client of your agency — brands and marketplace sellers — with B2–B5 and B7.
  - For: Brands, Sellers
  - A cabinet per client
  - B2–B5 and B7 under your brand

## Your questions

### Which platform or store to open

Level 1 · Channel. Marketplaces compete with each other and with brand stores.

- [Q01 · Where do AI assistants send my buyers?](/questions/where-do-assistants-send-buyers.md) — Marketplaces, Brands · A2 Routing & listing audit · from €2,500 (one-off)
- [Q08 · What changed after the last model update?](/questions/what-changed-after-the-update.md) — Marketplaces, Sellers, Brands · A6 Monitoring · from €800 (per month)

### Which listing and seller to show

Level 2 · Listing. Sellers compete inside a marketplace; the platform owns the shelf.

- [Q02 · Do assistants show my listings correctly?](/questions/are-my-listings-shown-right.md) — Marketplaces, Sellers · A2 Routing & listing audit · from €2,500 (one-off)
- [Q09 · Why does the agent pick another seller’s offer for the same item?](/questions/why-does-the-agent-pick-another-seller.md) — Sellers · B7 Listing visibility check · from €900 (one-off)
- [Q10 · Do AI assistants show my listings on marketplaces at all?](/questions/do-assistants-show-my-listings.md) — Sellers · B7 Listing visibility check · from €900 (one-off)

### Which product or brand to pick

Level 3 · Product. Brands and sellers compete within a category.

- [Q06 · Which brand does the agent pick — and why?](/questions/which-brand-does-the-agent-pick.md) — Brands, Sellers · B3 Choice test · from €3,000 (per category)
- [Q07 · What changes if I change price, returns or copy?](/questions/what-if-i-change-the-offer.md) — Brands, Sellers · B4 Offer lab · from €1,000 (per experiment)

### Getting through the path and the deal

Level 4 · Action. Stores and platforms decide whether an agent gets through — and how it behaves.

- [Q05 · Can a shopping agent actually get through my site?](/questions/can-an-agent-get-through.md) — Brands · B2 Agent access audit · from €1,500 (one-off)

## Tell us what you want tested.

Audits and pilots get a scope, a fixed price and a start date. The free snapshot comes straight to your inbox.

Agents: POST /api/engagements (application/json) with {"offer_id": "B6", "on_behalf_of": {"email": "…"}, "agent": {"name": "…"}}. The person confirms by email before we see the request. Details: /agents.md