Small businesses need tools that work out of the box without a dedicated IT team or RevOps hire. The right platform gives you 80% of what enterprise tools offer at 20% of the cost, with enough automation to punch above your headcount and enough simplicity that the whole team actually uses it.
What to look for in email marketing software software for small business
- Automation builder; can you build multi-step nurture sequences without coding?
- Deliverability; does the platform maintain strong inbox rates across major providers?
- List segmentation; can you target by behavior, tags, custom fields, and engagement?
- Template quality; are pre-built templates professional and mobile-responsive?
- Pricing model; is it based on contacts, sends, or seats? How does it scale?
The 5 best email marketing software tools for small business
#1 Mailchimp
★★★★☆ 4.3/5 on G2 (12,000+ reviews) · Free; paid from $13/mo
Mailchimp is the most recognized email marketing platform. It is easy to start with a free plan, but its automation is less sophisticated than ActiveCampaign or Klaviyo for complex workflows.
Pros
- Easy to use
- Strong template library
- Good deliverability
Cons
- Automation is basic vs competitors
- Gets expensive as list grows
- Recent pricing restructuring confused users
#2 Brevo
★★★★½ 4.5/5 on G2 (4,800+ reviews) · Free; paid from $25/mo
Brevo (formerly Sendinblue) offers one of the best free email marketing tiers; 300 emails/day with no contact limit. Paid plans add automation, SMS, and transactional email at budget-friendly prices.
Pros
- Generous free tier (300 emails/day)
- Affordable transactional email
- SMS included
Cons
- Branding still transitioning from Sendinblue
- Automation less powerful than ActiveCampaign
- US support hours limited
#3 ActiveCampaign
★★★★½ 4.5/5 on G2 (13,000+ reviews) · From $29/mo
ActiveCampaign is the automation powerhouse for SMBs. Its visual automation builder is the most capable in its price range, and the included CRM makes it a full sales and marketing platform.
Pros
- Best-in-class automation builder
- CRM included
- Strong deliverability
Cons
- No free tier (trial only)
- UI can overwhelm beginners
- Reporting could be deeper
#4 Klaviyo
★★★★½ 4.6/5 on G2 (1,000+ reviews) · Free up to 250 contacts; paid from $20/mo
Klaviyo is the leading email and SMS platform for e-commerce brands. Revenue-based attribution and deep Shopify integration make it the default choice for DTC companies.
Pros
- Deep Shopify/Magento integration
- Revenue attribution built in
- SMS + email in one platform
Cons
- Expensive as list grows
- Primarily e-commerce focused
- B2B use cases feel forced
#5 Kit (ConvertKit)
★★★★½ 4.4/5 on G2 (700+ reviews) · Free up to 1,000 subscribers; paid from $25/mo
Kit (formerly ConvertKit) is designed for creators, newsletter writers, and solopreneurs. Its subscriber tagging, automation, and paid newsletter features are optimized for content-driven businesses.
Pros
- Built for creator monetization
- Clean subscriber tagging
- Strong community
Cons
- Limited e-commerce features
- Not designed for B2B
- Reporting is basic
Quick comparison
| Tool | Starting price | G2 rating | Best for |
|---|---|---|---|
| Mailchimp | Free; paid from $13/mo | 4.3/5 | small-business, beginners |
| Brevo | Free; paid from $25/mo | 4.5/5 | budget, small-business |
| ActiveCampaign | From $29/mo | 4.5/5 | b2b, automation |
| Klaviyo | Free up to 250 contacts; paid from $20/mo | 4.6/5 | ecommerce, shopify |
| Kit (ConvertKit) | Free up to 1,000 subscribers; paid from $25/mo | 4.4/5 | creators, newsletters |
Frequently asked questions
What is the best email marketing software for small business?
Based on G2 ratings, pricing, and fit for 10–100 employees, Mailchimp ranks as our top pick. It scores well on ease of use, pricing transparency, and the features most relevant to this use case. That said, the right tool depends on your specific stack and workflow; review the full list above.
How much does email marketing software software cost for small business?
Pricing varies widely. From our comparison: Mailchimp (Free; paid from $13/mo), Brevo (Free; paid from $25/mo), ActiveCampaign (From $29/mo). Most vendors offer annual billing discounts and some have free tiers. Always request a quote for teams over 25 seats, as volume discounts are common.
Is there a free email marketing software option for small business?
Yes; Mailchimp offers a free tier. Mailchimp is the most recognized email marketing platform. Check current terms on the vendor's pricing page as free tier limits change.