The best email marketing tools for small businesses
Most small businesses don't need an expensive platform. They need one that is easy to use, handles a list of a few hundred to a few thousand people, and doesn't get pricier than it's worth. Here is how the popular options compare.
For most small businesses, MailerLite or Mailchimp are the easiest places to start, Brevo suits businesses with a larger contact list but fewer sends, and Kit is built for creators with a newsletter. Constant Contact has no free plan but offers phone support and event tools. Whatever you choose, clean your list before you import it, because bounces from old addresses can hurt your sending reputation on any platform.
Free plans compared
| Tool | Free plan (checked November 2026) | Best for |
|---|---|---|
| Mailchimp | Up to 250 contacts and 500 emails a month (250 a day) | Familiar, lots of integrations |
| MailerLite | Up to 250 subscribers and 2,500 emails a month | Simple newsletters and landing pages |
| Brevo | Up to 300 emails a day | Bigger contact lists, plus SMS and transactional email |
| Kit (formerly ConvertKit) | Up to 10,000 subscribers | Creators, bloggers and paid newsletters |
| Constant Contact | No free plan; 60-day free trial | Phone support, events and local businesses |
Free plans change often, and most add the tool's branding to your emails. Check each tool's pricing page before you commit.
What a small business actually needs
- A simple editor with templates that look good on phones.
- A sign-up form for your website, plus a way to import existing customers.
- Automation basics: a welcome email and maybe a birthday or follow-up email.
- Reports that show opens, clicks and unsubscribes.
- Fair pricing as you grow. Most tools charge by the number of contacts, so remove people who never open.
How to choose
- Count your contacts and how often you'll email. That decides whether a free plan works.
- Check what you already use. Shopify, Square, WordPress and booking tools connect more easily to some platforms than others.
- Try two. Sign up for free plans, build the same email in both, and keep the one that feels easier.
- Read the sending rules. Every platform bans bought lists and can suspend accounts with high bounce or complaint rates.
Before you import your list
Old customer lists are full of changed and mistyped addresses. Importing them unchecked leads to bounces, and platforms watch bounce rates closely. Clean the list, then verify it: Veml, from the maker of EmailNa, checks every address with no account or subscription, which suits a small business that sends a few times a year.
Free tools at ListaFix that help with any platform
- Subject line tester to preview the subject and preview text.
- Spam word checker for risky wording.
- DMARC checker to confirm your domain is set up to send.
- Email list cleaner to remove duplicates and typos before import.
Questions people ask
- What is the best free email marketing tool for a small business?
- It depends on your list. MailerLite and Mailchimp are easy starting points for small lists, Brevo allows more contacts with a daily sending limit, and Kit's free plan suits creators with up to 10,000 subscribers.
- Can I just use Gmail or Outlook for email marketing?
- For a handful of people, yes, but personal accounts have daily sending limits and no unsubscribe handling. For newsletters, an email marketing platform is safer and keeps you within anti-spam rules.
- How much does email marketing cost for a small business?
- Many start free. Paid plans for a few thousand contacts usually cost tens of dollars a month, rising with the size of your list.
- Do I need my own domain for email marketing?
- It is strongly recommended. Sending from a free address like Gmail through a marketing platform often fails authentication checks. See how to make a business email.