If you’re trying to decide between email marketing and social media, you’re asking the right question. But the honest answer isn’t simple. Both channels can work brilliantly for your business, but they can also drain your budget if you use them the wrong way.
What actually matters is understanding what each channel is built for and then investing your time and money in the right one at the right moment.
The short answer: email marketing wins on conversions and ROI. Social media wins on reach and brand awareness. The smartest businesses use both together.
Let’s dig into the details so you can make an informed decision for your business.
What Is Email Marketing?
Email marketing is the practice of sending targeted messages directly to a list of subscribers who have opted in to hear from you. That opt-in is the key detail: these are people who have already shown interest in your business.
A well-run email marketing strategy might include:
- Newsletters keeping your audience informed about news, offers, or content
- Promotional emails driving sales or sign-ups with a clear call to action
- Automated sequences nurturing leads from first contact through to purchase
- Re-engagement campaigns winning back customers who haven’t bought in a while
Because you own your email list, it’s one of the most reliable assets in your digital marketing toolkit. There’s no algorithm to reduce your reach overnight.
What Is Social Media Marketing?
Social media marketing uses platforms such as Facebook, Instagram, LinkedIn, and X (formerly Twitter) to build brand awareness, engage your audience, and drive traffic to your website.
Unlike email, social media allows you to reach people who don’t yet know your business exists. It’s discovery-driven, making it a strong tool for growing your audience and building a community around your brand.
Your social media strategy might cover:
- Organic posts communicating updates and behind-the-scenes content
- Paid social ads targeting your ideal demographics, interests, or behaviours
- Stories and short-form video for high visibility
- Community management replying to comments, messages, and reviews
The trade-off is that you don’t own your audience on social media. You’re building on rented land. If a platform changes its algorithm (and they do, constantly), your reach can drop without warning.
Email Marketing vs Social Media: How They Compare
When you put the two channels side by side, the differences become very clear. Here’s how they stack up across the metrics that matter most:
Email marketing at a glance:
- Average open rate: 15-25%
- Click-through rate: 2.9%
- Conversion rate: 8%
- ROI: 3,500%
- Audience ownership: you own your list
- Best for: conversions and retention
Social media marketing at a glance:
- Average organic view rate: 2-4%
- Click-through rate: 1.36%
- Conversion rate: 3%
- ROI: 180%
- Audience ownership: the platform controls your reach
- Best for: awareness and discovery
As you can see, the ROI gap is particularly striking. According to research from multiple industry sources, email marketing delivers around £36 in return for every £1 spent. Social media, by comparison, returns roughly £2.80 per £1 spent. That’s not a small difference.
Why Email Converts Better
The reason email outperforms social on conversions comes down to intent. When someone opens your email, they’ve already opted in to hear from you. They know who you are. They’re receptive.
On social media, your posts compete with everything else in a user’s feed: friends’ updates, news, videos, and dozens of other brands. The environment isn’t built for conversion. It’s built for scrolling.
The average user spends 11.1 seconds reading an email, compared to just 1.7 seconds viewing a social media post. That attention gap translates directly into better results.
Why Social Media Reaches Further
Social media’s strength is scale. There’s no ceiling on who you can reach. A well-timed post can land in front of thousands of people who have never heard of your business before. Email can only be sent to people already on your list.
For businesses trying to grow their audience, build brand recognition, or enter a new market, social media is often the fastest route to visibility.
Which Channel Is Right for Your Business?
The honest answer is that it depends on what you’re trying to achieve. Here’s a practical guide:
Choose email marketing if you want to:
- Drive sales, bookings, or sign-ups from people who already know you
- Nurture leads who aren’t ready to buy yet but are in your pipeline
- Retain existing customers and encourage repeat purchases
- Communicate offers, news, or updates directly without relying on an algorithm
- Build a long-term owned asset that grows in value over time
Choose social media marketing if you want to:
- Reach new audiences who don’t know your brand yet
- Build credibility and trust through regular, visible content
- Grow an audience around your product or service
- Run targeted paid campaigns to your ideal demographic
- Benefit from visual or video content formats
Worth knowing: According to the HubSpot State of Marketing Report 2025, email marketing was the number one ROI channel for B2C brands, while B2B brands saw their best results from website/SEO and paid social combined. Your industry matters when choosing where to invest.
The key question to ask yourself is: am I trying to find new customers, or convert the ones I already have? Email is better at the latter. Social is better at the former.
Why Social Media and Email Marketing Work Best Together
Here’s the thing: most businesses overlook the fact that email marketing and social media aren’t competitors. They’re complementary. The most effective digital marketing strategies use both channels in tandem, each doing what it does best.
Think of it as a funnel:
- Social media builds awareness – a potential customer discovers your brand through a post, an ad, or a share
- Social media drives them to sign up – a lead magnet, offer, or newsletter prompt captures their email address
- Email marketing nurtures and converts – now they’re on your list, you can communicate directly, build trust, and guide them towards a purchase
This is where the real power lies. Social gives you the reach. Email gives you the relationship.
A practical example: you run a promotion on Instagram. You get good engagement. But most people who see it won’t buy that day. If you’ve captured their email address, you can follow up with a sequence of emails that builds the case for your product over time. Without email, that opportunity disappears into the algorithm.
According to the Litmus State of Email Report, 77% of marketers say email delivers their highest ROI, yet only 21% say the same for social media. The businesses getting the best results aren’t choosing one over the other. They’re using social to grow their email list, and email to convert that list into revenue.
Final Thoughts
The debate between email marketing vs social media marketing is a bit of a false choice. Both channels have a role to play. The question is whether you’re using each one for the right purpose.
If your budget is tight and you need to prioritise, email marketing will almost always deliver a stronger return on your investment. But if you’re not building your social presence at the same time, you’re missing out on the audience growth that feeds your email list in the first place.
The bottom line: use social media to get discovered. Use email to build relationships and enhance sales.
Not sure where to start or how to get the two channels working together for your business? Get in touch with the team at DBS Digital, and we’ll help you build a digital marketing strategy that gets results.
