Free plans only

7 Best Free Marketing Automation Software for Small Business of 2026

By the Rankozo research desk · Updated November 10, 2026

7 of the 10 tools in our best marketing automation software for small business ranking offer a permanent free plan. Brevo scores highest among them at 8.8 out of 10.

1. 01

   Brevo

   Small teams that want working automation before they pay anything, and a low first paid tier.

   Free plan; Starter from $9 per month, Standard from $18 per month, Professional from $499 per month

   Full entry, No. 1 overall

   Paid from

   $9

   Score 8.8

2. 02

   MailerLite

   Small teams that want a simple automation builder and clear pricing at a few hundred subscribers.

   Free plan up to 250 subscribers; Comfort $12 per month or $10.80 per month billed yearly for 500 subscribers; Power from $25 per month

   Full entry, No. 2 overall

   Paid from

   $12

   Score 8.7

3. 03

   Omnisend

   Small ecommerce teams that want store automations at a low first price.

   Free plan up to 250 contacts; Standard $11.20 per month for the first 3 months, then billed monthly; Pro $41.30 per month for the first 3 months

   Full entry, No. 5 overall

   Paid from

   $11.20

   Score 8.4

4. 04

   HubSpot Marketing Hub

   Small teams that already use HubSpot CRM or plan to grow into its paid tiers.

   Free plan; Starter starts at $10 per seat per month (listed against $20); Professional from $100 per month per seat; Enterprise from $175

   Full entry, No. 6 overall

   Paid from

   $10

   Score 8.3

5. 05

   Klaviyo

   Online stores that want data-heavy segmentation and flows from the first paid plan.

   Free plan up to 250 active profiles; Email plan from $20 per month for 500 active profiles; Marketing plan from $25 per month

   Full entry, No. 8 overall

   Paid from

   $20

   Score 8.1

6. 06

   Mailchimp

   Very small lists that want a familiar tool and can live with short flows on the entry plan.

   Free plan under 250 contacts; Essentials from $13 per month; Standard from $20 per month; 14-day free trial

   Full entry, No. 9 overall

   Paid from

   $13

   Score 8.0

7. 07

   EngageBay

   Very small teams that want marketing, CRM and support under one low per-user price.

   Free plan up to 250 contacts; Marketing Bay starts at $11.04 per user per month; All-in-One starts at $12.74 per user per month

   Full entry, No. 10 overall

   Paid from

   $11.04

   Score 7.9

Scores and prices come from our Best Marketing Automation Software for Small Business ranking, which uses one method for every tool. Questions or corrections: editorial@rankozo.com