# What Claude (Anthropic) with web search answered for email marketing software (agencies) on 2026-10-13

## In short

On 2026-10-13, Claude (Anthropic) with web search was asked "best email marketing software for agencies". It named 11 brands; the first six, in order, were Campaign Monitor, ActiveCampaign, BigMailer, Brevo, MailerLite and Klaviyo.

| Fact | Value |
| --- | --- |
| Question | best email marketing software for agencies |
| Asked on | 2026-10-13 |
| Engine | Claude (Anthropic) with web search |
| Model | claude-opus-5 |
| Brands named | 11 |
| Sources cited | 6 |
| Audience | agencies |
| Coverage | Coverage: Claude (Anthropic) with web search. Other engines not included. |
| Last verified | 2026-10-13 |

Page: https://bikoosh.com/answers/s/email-marketing-software-agencies-2026-10-13
Coverage: Claude (Anthropic) with web search. Other engines not included.

## The answer, as recorded

Asked on 2026-10-13 through Claude (Anthropic) with web search (model claude-opus-5).

> Short version: there's no single winner - the right pick depends mostly on whether your clients are ecommerce or B2B, and whether you need true white-labeling. Here's how I'd rank them.
> 
> ## If you manage many clients from one login
> 
> **1. Campaign Monitor (now part of Marigold)** - the most genuinely agency-built option of the mainstream tools. Client sub-accounts under one agency master login, per-client permissions, locked branded templates, and the ability to set your own markup and bill clients directly through the platform. Start around $12/mo. The tradeoff: automation is weak compared to ActiveCampaign, and the product has gotten less investment since the Marigold acquisition.
> 
> **2. ActiveCampaign** - pick this if you sell automation build-outs as a service. Best-in-class visual automation builder plus a light CRM, and it has a real partner/agency program with discounted client accounts and migration help. From ~$15/mo per account. Downside: each client is a separate account and billing, so admin overhead grows; pricing climbs fast as lists grow.
> 
> **3. BigMailer** - the one to look at if *true* white-label is a hard requirement (your logo, your domain, clients never see a vend

## Brands named, in the order the engine gave

| Position | Brand | How it was named |
|---|---|---|
| 1 | Campaign Monitor | mentioned |
| 2 | ActiveCampaign | compared |
| 3 | BigMailer | mentioned |
| 4 | Brevo | mentioned |
| 5 | MailerLite | mentioned |
| 6 | Klaviyo | mentioned |
| 7 | Shopify | mentioned |
| 8 | BigCommerce | mentioned |
| 9 | HubSpot | mentioned |
| 10 | Customer.io | mentioned |
| 11 | Moosend | mentioned |

## Sources the engine cited

- https://moosend.com/blog/email-marketing-software-for-agencies/ (vendor)
- https://www.campaignmonitor.com/blog/email-marketing/white-label-email-marketing-platforms/ (vendor)
- https://www.campaignmonitor.com/resources/guides/email-marketing-and-automation-for-agencies/ (vendor)
- https://www.bigmailer.io/?p=246215 (vendor)
- https://www.mailmunch.com/blog/best-email-marketing-software-for-agencies (other)
- https://www.mailpro.com/blog/email-marketing-for-agencies-managing-multiple-client-accounts (other)

The question page: https://bikoosh.com/answers/q/email-marketing-software/agencies

Alerts and membership: Answer Watch Pro, 79 USD per month: https://bikoosh.com/answers. Bikoosh is monitoring assistance, not complete protection.

Answer Watch records what one AI answer engine said on one date, nothing more. Each page names the engine and the model, carries the date the question was asked, and lists the brands that appeared in the answer in the order the engine gave them, with the sources it cited. It is a measurement, not a ranking, not a recommendation and not a claim about the world. Brands that did not appear in an answer are not named on any public page. Coverage: Claude (Anthropic) with web search. Other engines not included.