7 Best Email Marketing Agencies in 2025

Email Marketing Agency

Table of Contents

An email marketing agency specializes in helping brands connect with their audiences through personalized, data-driven email campaigns. From email list growth and content creation to A/B testing and automation, these agencies streamline the entire process to help you get the most out of your email marketing investment.

Why is email marketing important for agencies?

Email marketing remains one of the highest ROI digital marketing channels. For agencies, it provides:

  • Direct access to potential and existing clients
  • Scalable, measurable campaigns
  • Automation opportunities for lead nurturing
  • Personalization to boost engagement and conversions

What to look for in an email marketing agency

When choosing an agency, consider:

  • Industry experience (especially in ecommerce, B2B, or DTC)
  • Tool expertise (Omnisend, Klaviyo, etc.)
  • Strong portfolio or client testimonials (like Trabzonspor or Miniso)
  • Transparent reporting and performance marketing knowledge

Top Email Marketing Software for Agencies

Some agencies stand out because of their advanced tool stack. Look for experience in:

  • Omnisend – known for ecommerce automation
  • Mailchimp – widely used for small businesses
  • Klaviyo – robust segmentation and flows
  • HubSpot – ideal for integrated B2B campaigns

Email Marketing Strategy

A great agency doesn’t just send emails – it builds strategies. Key focus areas:

  • Lifecycle mapping
  • Personalization at scale
  • List segmentation
  • Behavioral targeting

Email Marketing Platform Expertise

Your chosen agency should excel in using tools like:

  • Omnisend for ecommerce clients
  • Klaviyo for Shopify brands
  • Mailchimp for startups
  • HubSpot for B2B

Email Marketing Conversion Copy

Copywriting drives action. Effective agencies focus on:

  • Clear CTAs
  • Value-based subject lines
  • Storytelling to boost retention
  • A/B testing copy for open rates and clicks

Further Reading: What Marketers Get Wrong About Email, According to Media’s Newsletter Guru

Email Marketing Lifecycle and Segmentation

Segmented campaigns perform better. Great agencies use:

  • Behavioral triggers (cart abandonment, purchase follow-up)
  • Dynamic content blocks
  • Custom workflows for lead nurturing

Email Marketing Lead Gen and List Growth

A strong agency helps grow your list using:

  • Lead magnets (checklists, free guides)
  • Popups and embedded forms
  • Social media integrations
  • SMS opt-ins for multi-channel growth

Further Reading: Technical Best Practices for Cold Email Outreach

Email Marketing Reporting and Attribution

Look for agencies offering:

  • Campaign performance dashboards
  • Revenue attribution per email
  • Conversion metrics by segment
  • Ongoing testing and optimization

How to Approach Email Marketing? Do It Right with the Best Email Marketing Agency

Approach email with:

  • A clear goal: engagement, retention, or sales
  • An optimized funnel: from lead gen to conversion
  • Tech stack alignment: using tools that work for you
  • The right agency: one that gets your voice and market

Explore Our B2B Email Marketing Agency Offerings

At Marktal, we help B2B companies:

  • Build segmented email journeys
  • Craft persuasive copy
  • Automate lead nurturing
  • Measure what matters (MQLs, SQLs, Revenue)

Why choose the Marktal over others to avail of Email Marketing Services?

Unlike traditional agencies like Edit Studio or BusinessUp, Marktal offers:

  • Flexible packages, even for startups
  • Deep knowledge of platforms like Omnisend and HubSpot
  • Real results: 3X open rates, 2X CTRs for our clients
  • A team that understands both B2B and DTC

Our email marketing specialists work with you to build email programs that have a significant impact on your revenue.

Our team becomes your team. From copy to code, we:

  • Plan each email journey
  • Create custom designs and templates
  • Integrate seamlessly with your CRM
  • Optimize for inbox delivery and performance

7 Best Email Marketing Agencies

1. Marktal

A full-service agency with expertise in both ecommerce and B2B. Offers data-driven strategies, automation, and copywriting that converts.

2. MarketerHire

A freelance marketer platform offering vetted email marketers for short or long-term projects.

3. Hustler Marketing

Ecommerce-focused agency that specializes in DTC brands. Known for Klaviyo flows and ROI-driven campaigns.

4. InboxArmy

Full-service agency delivering high-volume email marketing support with a white-label option.

5. Flowium

Ideal for Shopify and ecommerce brands. Specializes in Klaviyo and customer lifecycle emails.

6. SeeResponse

B2B-focused marketing automation experts. Great for SaaS and tech businesses.

7. Charle Agency

UK-based ecommerce performance agency. Known for creative-driven email and brand design.

Fractional Alternative: Marktal

Want strategy without the full retainer price tag? Our fractional CMO email marketing model offers:

  • Strategy + execution combo
  • Budget flexibility
  • Expertise across platforms and industries

Conclusion

In 2025, your email strategy can no longer be an afterthought. From lifecycle marketing to conversion copy, you need an agency partner that blends creativity with data. Marktal is built for brands who demand growth, clarity, and consistent results.


Frequently Asked Questions

What are effective strategies to boost email open rates and engagement in today’s competitive digital landscape?

  • Personalize subject lines
  • Use segmentation
  • Send at optimized times
  • A/B test frequently

What are the key differences in email marketing strategies for B2B and B2C audiences?

  • B2B focuses on logic and ROI; B2C on emotion and deals
  • Longer nurturing cycles in B2B

What are effective strategies for re-engaging dormant subscribers in email marketing campaigns?

  • Send a win-back series
  • Use dynamic offers
  • Remind them of value

What is email marketing?

A form of direct marketing that uses email to promote your products/services and build relationships with your audience.

What are the email marketing tools?

Top tools include Omnisend, Mailchimp, Klaviyo, and HubSpot.

What is an email marketing agency?

An agency that handles strategy, copy, design, and execution of email campaigns to drive sales or engagement.

Is email marketing in demand?

Yes, it continues to be one of the highest ROI marketing channels in 2025.

How much does it cost to hire someone for email marketing?

Freelancers can start at $500/month. Agencies range from $1,000 to $10,000+ depending on services.

How do you write a great B2B email?

Start with a hook, provide value quickly, keep it concise, and always include a strong CTA.

Is email marketing effective?

Yes, with proper segmentation and strategy, it’s highly effective and measurable.

What are some common email marketing mistakes to avoid?

  • Sending too often or too infrequently
  • Poor subject lines
  • Not segmenting lists

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