The best marketing automation software helps small businesses send timely campaigns, capture leads, follow up with customers, and build repeatable marketing processes without adding more manual work.
I compared seven marketing automation platforms based on pricing, workflow depth, lead capture, customer data, support, and day-to-day value to build this guide. I focused on tools that make sense for small and growing businesses, whether you need simple email automation, ecommerce retention campaigns, or a CRM that keeps sales and marketing activity in one place.
My top pick is HubSpot because it combines marketing automation with a CRM, lead management, forms, reporting, and pipeline visibility. It is not the lowest-cost choice on this list, but it is the strongest option for businesses that need to organize and act on leads across multiple customer pipelines.
*Pricing is current as of July 2026 and can change based on contacts, send volume, SMS credits, and billing term.
What is marketing automation software, and how does it work?
Marketing automation is any tool or software that automatically takes over repetitive marketing tasks, like posting content on social media, responding to customer inquiries, or sending marketing emails and text messages.
They’re triggered by specific actions, dates or times, or specific if/then rule sets. For example, it can send a welcome email after someone submits a form, remind a shopper about an abandoned cart, assign a qualified lead to a sales rep, or send a review request after an order is delivered.
The difference between basic email marketing and marketing automation is the decision-making behind the message. A newsletter tool helps you send a campaign to a list. A marketing automation platform can use customer behavior, purchase history, form activity, and CRM data to decide who receives a message, when they receive it, and what happens next.
Ecommerce workflows; Email and SMS; Product reviews
Small-store ecommerce marketing
3.39
How I chose the best marketing automation software
I tested and compared marketing automation platforms based on automation workflows, AI tools, integrations, ease of use, and overall value for small businesses. I also evaluated how well each platform handles real marketing tasks like email campaigns, social media scheduling, lead nurturing, customer communication, and workflow automation through hands-on testing.
Why you can trust Fit Small Business
HubSpot: Best overall marketing automation tools for managing multiple customer pipelines
Brevo: Best for email and SMS marketing automation
Zoho Campaigns: Best for capturing leads
Klaviyo: Best for review requests and customer service
Mailchimp: Best for beginners and simple email journeys
ActiveCampaign: Best for advanced email automation
Omnisend: Best for ecommerce email and SMS automation
Methodology: How I evaluated the best marketing automation platforms
To build this list of the best email marketing platforms, I tested and compared leading providers using real campaign workflows for newsletters, automated email sequences, lead generation, and ecommerce promotions. I scored every provider using a weighted rubric based on the features small businesses prioritize most when choosing email marketing software:
Pricing (15%): I compared monthly costs, subscriber limits, email send limits, and overall value at different business sizes. I also gave higher scores to platforms with free plans, transparent pricing, and flexible monthly billing.
General features (30%): I evaluated core email marketing functionality, including campaign scheduling, automation workflows, drip campaigns, landing pages, A/B testing, text marketing, templates, and analytics.
Advanced features (25%): I prioritized platforms with more sophisticated marketing tools, such as AI writing assistants, advanced segmentation, multivariate testing, built-in CRM functionality, ecommerce integrations, and customizable HTML templates.
Customer support (10%): I reviewed customer support availability, onboarding resources, live chat and phone support options, and the quality of each provider’s knowledge base and training materials.
Expert score (20%): I incorporated my hands-on testing experience, ease of use findings, deliverability considerations, feature depth, and overall value for money into the final score. I also considered user feedback from trusted third-party review platforms when available.
How to choose the best email marketing platform
The best email marketing platform should fit your contact list, sending frequency, campaign goals, and available marketing resources. Before choosing a provider, compare its costs at your expected list size and check which features are included in the plan you are likely to use. A free plan may be enough to test a platform, but sending, automation, support, and branding limits can make a paid plan necessary as your business grows.
Compare contact-based and send-based pricing
Most platforms charge according to either the number of contacts stored or the number of emails sent each month. Contact-based pricing can work well for businesses that email subscribers frequently, while send-based pricing may cost less for companies with large databases that send only a few campaigns each month.
Also check how the provider defines billable contacts. Some platforms charge for unsubscribed, inactive, or nonsubscribed contacts included in automated messages. Review overage fees, automatic tier upgrades, annual commitments, user fees, SMS credits, and onboarding costs before estimating the total price.
Decide how much automation you need
Basic platforms can send welcome emails, birthday messages, and simple drip sequences. Businesses with longer sales cycles or more detailed customer journeys may need conditional paths, lead scoring, website tracking, ecommerce triggers, and multichannel workflows.
MailerLite and Zoho Campaigns are practical choices for straightforward email sequences. ActiveCampaign and HubSpot provide more control for lead nurturing, while Klaviyo and Omnisend specialize in ecommerce workflows such as abandoned carts, post-purchase follow-ups, and customer win-back campaigns.
Check the free plan’s actual limitations
A free plan can help you test the email editor, templates, forms, and basic reporting before paying. However, free tiers often restrict the number of contacts, monthly sends, users, automations, templates, support channels, or scheduled campaigns.
Compare the free plan with the first paid tier rather than treating free access as the provider’s full product. Also check what happens when you exceed a limit. Some platforms pause sending, while others automatically move the account to a higher-priced tier.
Match the platform to your business model
The right provider depends on how email supports the rest of your business:
General small business marketing: Zoho Campaigns offers the best overall balance of pricing, email tools, and automation.
CRM-based lead nurturing: HubSpot connects campaigns with sales activity, forms, pipelines, and customer records.
Large lists with lighter sending: Brevo charges mainly according to email volume rather than stored contacts.
Frequent newsletters: MailerLite offers unlimited sending on its Power plan.
Advanced ecommerce marketing: Klaviyo provides detailed store data, segmentation, and revenue attribution.
Ecommerce teams wanting easier setup: Omnisend supplies prebuilt store automations and customer segments.
Branded campaigns and landing pages: Mailchimp provides accessible visual design tools and a large integration library.
Funnels and revenue reporting: GetResponse connects email with landing pages, sales funnels, and ecommerce results.
Creator businesses: Kit supports newsletters, digital products, subscriptions, and audience recommendations.
At a minimum, an email marketing platform should report sends, delivery rates, opens, clicks, bounces, unsubscribes, and conversions. Businesses selling online should also look for product-level reporting, abandoned-cart tracking, order data, and campaign revenue attribution.
Reporting depth varies by plan. Some entry-level tiers show basic engagement metrics, while revenue reports, custom dashboards, predictive analytics, and attribution models require an upgrade.
Check integrations and data syncing
Choose a platform that works with the software your business already uses. Common connections include ecommerce platforms, CRM systems, website builders, payment processors, analytics tools, and lead-generation apps.
Check whether the integration syncs data in both directions and which fields it supports. A basic contact import is less useful than a connection that transfers purchase history, website activity, lifecycle stages, and campaign engagement.
Evaluate support before migrating
Support becomes especially important during contact migration, domain authentication, workflow setup, and deliverability troubleshooting. Review whether the plan includes email, live chat, phone assistance, onboarding, and migration services.
Free users often receive limited or temporary support. Businesses without an experienced email marketer should consider the cost of upgrading to a plan with live help rather than choosing solely by the lowest advertised price.
Frequently asked questions
What is the best marketing automation software for small businesses?
HubSpot is the best overall option for businesses that need CRM-connected marketing automation, lead scoring, and pipeline visibility. Brevo is a better fit for affordable email and SMS automation, while Klaviyo and Omnisend are stronger choices for ecommerce businesses.
Can a small business use free marketing automation software?
Yes. HubSpot, Brevo, Klaviyo, Mailchimp, Zoho Campaigns, and Omnisend offer free plans. Free tiers are useful for basic workflows and smaller lists, but you will usually need a paid plan for more contacts, higher send limits, advanced reporting, or deeper automation.
Which marketing automation platform is best for ecommerce?
Klaviyo is the best choice for ecommerce businesses that need detailed customer data, product recommendations, review requests, and customer-service automation. Omnisend is a strong alternative for smaller online stores that want easier setup for email, SMS, and cart-recovery workflows.
Do I need a CRM with marketing automation software?
Not always. An email-first business may only need a platform like Brevo or Mailchimp. A CRM becomes more useful when you need to track leads, sales pipelines, handoffs between marketing and sales, and customer activity across multiple touchpoints. HubSpot and ActiveCampaign are good options for this use case.
How much does marketing automation software cost?
Small businesses can start free or spend about $9 to $20 per month for basic paid plans. Costs rise with contacts, email volume, SMS credits, advanced automation, support needs, and CRM features. Always price the platform at your expected list size, not only its lowest advertised tier.
Bottom line
The best marketing automation software should help your business send relevant campaigns, follow up with customers, and capture leads without adding more manual work. The right choice depends on whether you need simple email journeys, low-cost multichannel campaigns, ecommerce retention tools, or a CRM that connects marketing to sales.
HubSpot is my top pick because it gives growing businesses one place to manage leads, marketing workflows, sales pipelines, and reporting. If your business needs better visibility into what happens after a lead submits a form or engages with a campaign, start with HubSpot’s free tools and assess whether its paid automation features fit your growth plans.
Agatha Aviso is a seasoned expert in retail, eCommerce, and order fulfillment, with a specialization in payments, POS systems, and eCommerce software. She has collaborated with startups and service-based entrepreneurs on content strategy, offering digital marketing expertise and guiding small business owners in launching their online storefronts.
Beyond consulting, Agatha applies her knowledge firsthand—building her own website as well as ecommerce sites for the platforms she reviews.
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