Email marketing for small business: where to start

To start email marketing as a small business, take three steps: build your subscriber list lawfully with clear consent, pick one simple tool (such as MailerLite or Omnisend) and launch a welcome email plus a regular newsletter. You don't need a big budget or a marketing team — you just need something worth saying and permission to say it. This guide walks through why email still works, how to build a list without legal mistakes, which tool to choose and what first emails to send.

Why email is still one of the most profitable channels

When everyone is talking about social media and AI, email can feel old-fashioned. In practice it's the opposite — it remains one of the best-returning marketing channels, especially for small businesses. The reasons are simple:

• Direct contact. Your message lands straight in the inbox instead of competing with hundreds of posts in an algorithm-filtered feed.
• Low cost. Most small businesses are fine on a free plan or one costing roughly EUR 10–30/month. Compared with paid ads, the cost per contact is symbolic.
• Repeat sales. Acquiring a new customer keeps getting more expensive, while selling again to an existing one is far cheaper. Email is the natural channel for that.
• Measurability. You see exactly how many people opened, clicked and bought — so you can improve rather than guess.

You'll often see a headline email ROI figure claiming every euro invested returns several dozen. Treat such numbers as illustrative: your real result depends on list quality, your product or service margin and how relevant your emails are. But the direction is consistent — a well-maintained email list often outperforms the same budget spent on social ads alone.

Owned audience — why it beats social media followers

The key difference between an email list and social followers is ownership. Your Facebook or Instagram account belongs to the platform. Change the algorithm, and only a small share of your followers see a given post. Get the account suspended, and you lose the whole audience overnight with no recourse.

An email list is your asset. You can export it, move it to another tool and use it whenever you want. Nobody sits between you and the customer charging a fee for "reach."

Social followers are rented; an email list is something you own.

This doesn't mean abandoning social media. On the contrary — it's excellent for reaching new people. But strategically it pays to turn those people into subscribers as fast as possible: from a follower into an email address that you control. The combination — social media for discovery, email for relationship and sales — works best.

How to build a list lawfully

Before sending the first email, you need to collect the list lawfully. In Lithuania and across the EU this is governed by the GDPR and ePrivacy rules, and marketing messaging is supervised by the State Data Protection Inspectorate (VDAI). The core rule is simple: you may send marketing emails only with the recipient's clear, voluntary consent.

In practice that means:

• No pre-ticked boxes. The person must actively opt in to the newsletter.
• A clear purpose. State on the form what they'll get and how often (e.g. "news and offers once a month").
• Easy opt-out. Every email must contain a working unsubscribe link.
• Proof of consent. Good tools automatically log when and how someone consented — useful for demonstrating compliance.

There's also an "existing customer" exception: if someone bought from you, you may email them about similar products or services without separate consent, provided you clearly offered an opt-out. Still, the safest path is always to obtain explicit consent.

Lead magnets — how to encourage sign-ups

Nobody hands over their email "for free." Offer concrete value in return — this is called a lead magnet:

• a discount on a first purchase (popular for online stores);
• a useful PDF, checklist or template;
• a free consultation or product sample;
• access to gated content or a webinar.

The lead magnet should relate to what you sell — otherwise you attract people who only want the freebie, not your business.

How to choose a tool for your needs

There are dozens of tools, but small businesses usually land on one of three:

| Tool | Best suited to | Strengths | |---|---|---| | MailerLite | Service businesses, creators, beginners | Simple interface, generous free plan, easy to start | | Omnisend | Online stores | Strong e-commerce flows, SMS, store integrations | | Mailchimp | Those needing many integrations | Broad ecosystem, lots of templates, gets pricey as the list grows |

When choosing, watch a few things:

1. Pricing by contact count. Most tools' price rises with list size — check what you'll pay at 1,000 or 5,000 contacts.
2. Automation capability. Even if you only send a newsletter now, you'll later want automated flows — confirm the tool supports them.
3. Integrations. Does it connect to your website, online store or business process automation setup?
4. Deliverability. Check that emails reach the inbox rather than the spam folder.

You don't need the perfect pick to begin — starting matters more. Most lists can be migrated to another tool later.

First emails worth launching

Once you have a tool and your first contacts, don't wait for the "perfect" moment. Launch two foundational pieces.

The welcome email

This is the first (and often most-read) email a new subscriber receives. It's sent automatically right after sign-up, while interest is highest. A good welcome email:

• thanks them and briefly restates what they'll get;
• delivers the promised value immediately (discount code, PDF, link);
• introduces you in 2–3 sentences — who you are and how you help;
• offers one clear next step (visit the site, reply, browse products).

Welcome emails tend to enjoy some of the highest open rates — your best chance to make a first impression.

The regular newsletter

The second foundation is a consistent newsletter. What matters isn't frequency but consistency and value. A genuinely useful email once a month beats a weekly one that "fills space." Content ideas:

• tips and answers to your most common customer questions;
• news, new products or services;
• customer stories and concrete results;
• seasonal offers.

Follow the rule: most of the email is value for the reader, and only a small part is direct selling. When an email is useful, people open it even when they're not buying — and remember you when the need arises.

Once the foundations work, the next logical step is automated email flows: abandoned-cart reminders, win-back series and post-purchase emails. These can be tied into broader business process automation so the system works in the background without your involvement.

Key metrics worth tracking

Email marketing is appealing precisely because everything is measurable. A few metrics are enough to start:

• Open rate. How many recipients opened the email. Illustrative averages run around 20–40% depending on sector. It reflects whether the subject line and sender name are appealing. (Note that inbox privacy features make this metric less precise than it used to be.)
• Click rate. How many people clicked a link. Often more informative than opens, because it shows real interest.
• Unsubscribe rate. How many opted out. A few unsubscribes are normal; a sudden spike signals the content or frequency is off.
• Deliverability and complaints. Watch whether emails reach the inbox and how often they're marked as spam.

Don't chase opens alone. The end goal is action: a sale, an enquiry, a visit. So at least once a quarter, tie email results back to real revenue.

What it can return — calculate your ROI

Before investing, it's worth estimating what to expect. The logic is simple:

1. List size × open rate = how many will read.
2. Of those, the click share = how many visit the site or offer.
3. Of visitors, conversion to purchase × average order = revenue from the campaign.

Example (numbers are illustrative): a list of 1,000 contacts, 25% open (250), 3% of the whole list click (30), 5% of clickers buy (about 1–2 orders), average order EUR 60. One simple email might bring roughly EUR 90–120, while sending it costs a few euros of subscription. As the list grows and content improves, these numbers rise.

To avoid doing the maths by hand, use the email marketing ROI calculator or browse other useful articles on the blog. They'll help you judge whether the channel is worth your time and budget.

Note: all figures and ranges are illustrative (2026) and shown for orientation. Your actual metrics depend on your sector, list and offer — check your own data. For consent and data-handling requirements, verify against current VDAI guidance.

Email marketing doesn't demand a big launch — one tool, one lead magnet and consistency are enough. If you'd like list-building, welcome emails and flows set up properly from day one, take a look at our email marketing service or book a free consultation — together we'll pin down where it makes sense for you to start.