Blog Post

10 Best Email Marketing Companies

by: Power Digital September 18, 2023

Table of Contents

When businesses are ready to scale, they partner with a growth marketing firm—unlocking new revenue streams, increasing customer lifetime value, and boosting brand awareness across digital channels.

When it comes to email marketing—a highly effective channel for fostering customer loyalty and direct conversions—some digital experts bring a unique email marketing strategy, perspective and high level of email campaign expertise to the table. Yet, brands seeking out the best email marketing companies might not know where to start their search.

This guide to the best email marketing service provider explores ten of the top email marketing companies making waves in today’s industry. These email marketing company teams are uncovering innovative ways to leverage email for substantial brand growth.

#1 Power Digital

Specialty: Conversions and sales
Industries: B2B, B2C, eCommerce, SaaS, beauty, private equity, fashion, retail
Strengths: Lead nurturing, brand awareness building
Pricing: Custom pricing
Headquarters: San Diego, California, USA
Notable Clients: Casper, Honest, Lord & Taylor

Brands looking for an email marketing agency with a seasoned team of pros, access to the best email marketing software, powerful tech assets, a flexible email marketing tool kit, and a laser focus on positive ROI partner with Power Digital—one of the best email marketing agencies in the industry today.

Power Digital provides comprehensive email marketing services via a four-step, in-depth email marketing campaign process:

Analysis – Before creating any content or implementing any messages, the email marketing team takes a look under the hood to really get to know their client—their values, their goals, and their pain points. And, if a business has already implemented an email marketing strategy, they can keep their email engine running while the Power Digital team analyzes its strengths and improvement potential.
Strategy – After gaining a thorough understanding of a brand’s needs, client base, and goals, the Power Team, using their email marketing tool suite, develops a high-octane email campaign strategy for producing quality content, segmenting and targeting existing subscribers, adding new clients to the subscriber list, and converting recipients into customers.
Implementation – From content creation to sequence design, Power Digital handles every aspect of a brand’s email marketing plan development. As the team implements a brand’s email marketing campaign, they start collecting key data for analysis and tracking.
Adjustments and maintenance – As they assess incoming data, Power Digital tweaks and improves the email marketing plan to meet the changing needs of a brand’s customer base and respond to results from A/B tests.

For brands looking for an eCommerce email marketing agency in particular, rest assured that Power Digital has the industry expertise that can launch digital storefronts into the stratosphere through effective email campaigns.

Similarly, in the saturated market of B2B email marketing services, today’s growing companies need a tech-savvy, strategy-first, ROI-focused email marketing company like Power Digital.

#2 MH Digital

Specialty: Email marketing, SMS marketing
Industries: B2C, SaaS, service, eCommerce
Strengths: Conversion, activation, retention
Pricing: Custom pricing
Headquarters: Denver, Colorado, USA
Notable Clients: Purina, Klaviyo, Salesforce Marketing Cloud

MH Digital is an email marketing and SMS marketing brand helping B2C-aligned SaaS, service, and eCommerce businesses activate, convert, and retain loyal customers through email campaigns.

As one of the best email marketing service providers out there, their approach to SMS and email marketing campaigns includes:

Creative production – The MH Digital team takes the lead on content creation and building digital assets for campaigns.
Technical support – MH Digital is focused on leveraging the latest in email marketing technologies and innovative approaches to produce powerful responses from customers.
Strategic planning – MH Digital produces long-term positive ROI by investing in strategic analysis throughout the lifetime of a campaign.

For brands looking for a conversion-focused strategic email marketing partner that fully capitalizes on email marketing software, MH Digital might be a good fit.

#3 Enflow Digital

Specialty: eCommerce email marketing
Industries: eCommerce, B2C
Strengths: Email marketing audit
Pricing: Custom pricing
Headquarters: Vilnius, Lithuania
Notable Clients: Vetz Petz, Alkaline Herb Shop, Overnight Glasses

Enflow Digital offers email and SMS marketing services to eCommerce brands and businesses with digital storefronts. Deeply focused on revenue generation, the Enflow Digital team leverages four key services to produce sustainable results for growing businesses:

Full-service email marketing – From initial analysis to strategy and implementation, Enflow Digital provides top-to-bottom email marketing campaigns and management for brands.
Email marketing audit – For brands with existing email marketing campaigns, Enflow Digital provides auditing and analysis services ahead of campaign adjustments.
Email deliverability recovery – One of Enflow Digital’s specialties is recovering sent emails from recipients’ spam folders to ensure seamless delivery and higher open rates.
SMS marketing – To support a cross-channel marketing approach, Enflow Digital offers integrated SMS marketing services.

Brands looking for a seasoned eCommerce email marketing partner should consider partnering with Enflow Digital.

#4 One 10 Media

Specialty: Social media advertising, email marketing, SMS marketing
Industries: eCommerce, B2C
Strengths: Paid media
Pricing: Custom pricing
Headquarters: Akron, Ohio, USA
Notable Clients: Decor Steals, Big Berkey Water Filters, Pepper & Vetiver

A specialist in paid media, One 10 Media is a social media, email, and SMS marketing agency focused on revenue generation and conversion.

One 10 Media’s email marketing strategies aim to:

Build customer loyalty – One 10 Media emphasizes email marketing as a loyalty-building tool, and their campaigns strive to boost client trust and connection.
Increase sales – By building trust and improving brand awareness among loyal customers, One 10 Media helps brands boost sales and build sustainable revenue growth.

One 10 Media might be a compatible partner for businesses looking for multi-channel revenue generation.

#5 Invisible Brands

Specialty: Email marketing, SMS marketing
Industries: eCommerce, B2C
Strengths: Efficient campaign-building and implementation
Pricing: Custom pricing
Headquarters: Bielefeld, Germany
Notable Clients: Dropsize, WLDOHO, Asos

Invisible Brands is a Germany-based email and SMS marketing agency focused on fast implementation and sustainable results. Serving “the 1% of eCommerce brands,” the Invisible Brands team offers services primarily to international digital storefronts.

Their three-step approach to email marketing design includes:

Fundamentals fixes – For brands that have existing digital assets, Invisible Brands audits and finds improvement potential.
Strategy – Invisible Brands takes a research-focused, customer-centric approach to strategic marketing planning.
Design optimization – Invisible Brands prioritizes quality designs that catch the eyes of customers and produce lasting connections.

Invisible Brands might be a good fit for brands with an international presence looking for efficiency and emphasis on design assets.

#6 Netpeak

Specialty: Full-service digital marketing
Industries: B2B, B2C, eCommerce, retail
Strengths: Digital intelligence, mobile app marketing
Pricing: Custom pricing
Headquarters: Wilmington, Delaware, USA
Notable Clients: Puma, Vodafone, Monobank

Netpeak is a US-based full-service digital marketing firm with satellite offices in Kazakhstan, Ukraine, the UK, and Bulgaria. Their scope of services includes:

Earned and owned media (e.g., SEO, email marketing)
Paid media (e.g., PPC, marketplace management)
Digital intelligence (e.g., web analytics, data visualization)
Mobile app marketing (e.g., mobile performance marketing, ASO)

With an emphasis on business growth and a results-oriented strategy, Netpeak offers an experienced, large team of marketing experts and cross-channel integration.

Brands looking to enhance their online presence across multiple platforms could be a compatible partner for Netpeak.

#7 Inbox Army

Specialty: Full-service email marketing
Industries: B2C, retail, eCommerce, education
Strengths: Technical implementation
Pricing: Custom pricing
Headquarters: Grapevine, Texas, USA
Notable Clients: Purple, Expedia, Texas A&M University

Inbox Army is a full-service email marketing agency offering technical expertise, template design, coding, and strategic consulting. They work with brands across a wide variety of industries from higher education to B2C.

With a large team and a long-standing industry presence, Inbox Army could be a good match for brands looking for highly technical email marketing support.

#8 SmartMail

Specialty: eCommerce email marketing
Industries: eCommerce, B2B, B2C
Strengths: Efficiency, speed
Pricing: Custom pricing
Headquarters: Sydney, Australia
Notable Clients: Daily Steals, Digital Supply USA, Choxi

SmartMail is an email marketing agency focused on revenue generation and conversion, and efficiency is their greatest asset. Offering 12-week “sprints”—short campaigns that aim to pack a punch—SmartMail emphasizes their fast turnaround times and impactful campaigns.

Some of SmartMail’s most popular services include:

Subscriber list segmentation
Newsletter acceleration
Subscriber list development
Full funnel automations

SmartMail is a compatible match for mid-size brands looking for efficient turn-around and flexible contracts.

#9 ZRich Media

Specialty: Full-service marketing
Industries: Retail, eCommerce, B2C
Strengths: Paid ads, sales funnel development
Pricing: Custom pricing
Headquarters: Miami, Florida, USA
Notable Clients: Freshbody, Big Fork, Dafero

ZRich Media is a full-service marketing agency offering everything from paid social media ads to email marketing. Their email marketing scope includes:

Regular promotion and branding emails
Post-purchase marketing automation
Product-specific marketing automation
Abandoned cart automation

With an emphasis on cross-platform marketing, ZRich Media connects primarily eCommerce and retail brands to customers, expands client loyalty, and increases conversions using a combination of digital marketing approaches.

Companies looking for a multi-platform digital marketing strategy (including email marketing) might be compatible with ZRich Media.

#10 V8 Media

Specialty: eCommerce digital marketing
Industries: eCommerce, B2C, retail
Strengths: Lead generation
Pricing: Custom pricing
Headquarters: Johannesburg, South Africa
Notable Clients: Planet Fitness, RE/MAX, Thomson Reuters

V8 Media is a South Africa-based digital marketing agency offering a full-service scope to international eCommerce and retail brands. The brand emphasizes lead generation as a sustainable growth strategy, leveraging cross-channel strategies to uncover new revenue sources.

V8 Media might be a good match for brands seeking full-service digital marketing and a profit-driven approach.

Discover the best in email marketing with Power Digital

Today’s best email marketing companies are pulling out all the stops to produce long-term, high-value conversions and help brands make lasting connections with their customers.

If you’re looking for the industry’s top email marketing agency, Power Digital is here to support. You won’t find the level of dedication, expertise, or data-driven approach anywhere else. Powered by an expert team of marketing pros and the marketing roadmap platform nova Intelligence, the Power Digital team produces high-impact email marketing and other digital campaigns to help brands unlock their full growth potential.

Explore Power Digital’s core competencies and start working with the industry’s best growth marketing firm and digital marketing agency today.