# What Claude (Anthropic) with web search answered for email marketing software (agencies) on 2026-10-20

## In short

On 2026-10-20, Claude (Anthropic) with web search was asked "best email marketing software for agencies". It named 9 brands; the first six, in order, were Klaviyo, Brevo, ActiveCampaign, Campaign Monitor, GoHighLevel and BigMailer.

| Fact | Value |
| --- | --- |
| Question | best email marketing software for agencies |
| Asked on | 2026-10-20 |
| Engine | Claude (Anthropic) with web search |
| Model | claude-opus-5 |
| Brands named | 9 |
| Sources cited | 7 |
| Audience | agencies |
| Coverage | Coverage: Claude (Anthropic) with web search. Other engines not included. |
| Last verified | 2026-10-20 |

Page: https://bikoosh.com/answers/s/email-marketing-software-agencies-2026-10-20
Coverage: Claude (Anthropic) with web search. Other engines not included.

## The answer, as recorded

Asked on 2026-10-20 through Claude (Anthropic) with web search (model claude-opus-5).

> Searched - worth flagging up front that most "best email software for agencies" listicles are affiliate-driven (several results I got were vendors ranking themselves first). So here's my own ranking, with the parts I verified sourced.
> 
> ## What I'd actually recommend, in order
> 
> **1. Klaviyo** - if any meaningful share of your clients are ecommerce, this is the default and it isn't close. Revenue attribution per flow is what lets you justify your retainer on a monthly report, and the partner program gives you a portfolio view across client accounts plus tiered rev-share. The catch is cost at scale: it prices on contacts, so a 50k-contact list runs roughly $720/mo vs ~$35 on Brevo for the same sends - fine when you're billing against attributed revenue, painful otherwise.
> 
> **2. ActiveCampaign** - the pick if you sell automation build-outs as a service to B2B/service-business clients. Visual builder with conditional branching, built-in CRM, starts around $15/mo. Important recent change: as of November 2025 new accounts count *all* contacts toward your billing tier, including unsubscribed and bounced ones, which quietly inflates bills on older dirty lists.
> 
> **3. Campaign Monitor (Marigo

## Brands named, in the order the engine gave

| Position | Brand | How it was named |
|---|---|---|
| 1 | Klaviyo | mentioned |
| 2 | Brevo | compared |
| 3 | ActiveCampaign | mentioned |
| 4 | Campaign Monitor | mentioned |
| 5 | GoHighLevel | mentioned |
| 6 | BigMailer | mentioned |
| 7 | Skip Mailchimp | mentioned |
| 8 | Mailchimp | mentioned |
| 9 | Moosend | mentioned |

## Sources the engine cited

- https://www.hackceleration.com/labs/best/email-marketing-agencies (other)
- https://costbench.com/best/best-email-marketing-platforms-2026/ (other)
- https://www.bigmailer.io/?p=246215 (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://consultevo.com/gohighlevel-vs-mailchimp-2026-comparison/ (other)
- https://moosend.com/blog/email-marketing-software-for-agencies/ (vendor)

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.