Full-Service Email Marketing Agency…

CapStone is a Full-Service Email Marketing Agency for all your email marketing needs from Prospect List Building, Strategy & Audit, Email Marketing Campaign Setup & Automation.


We work with you to build, develop, improve and expand your email marketing campaigns through segmentation, personalization, and advanced targeting.

A passion to be your “Partner in Progress”

Our comprehensive suite of email marketing services caters to a diverse clientele, ranging from small & medium businesses to marketing agencies.

Multi-ESP Support

We have experts for your Email service provider

We support 49+ ESP vendors. Be it enterprise platforms, such as Salesforce or small-to-medium sized platforms like Klaviyo or MailChimp, we’ve got you covered.


Global Clients


Email Marketers



Team you can trust

We have 49+ email marketers and certified experts in 49+ ESPs. Our team is capable of building, deploying, and managing a vast array of email marketing campaigns at scale.

Questions about Email Marketing Agency Services

→ Is email marketing still important and effective?

Yes, email marketing is still one of the most important and effective marketing channels available. And there are three ways of looking at this.

First, the data proves that email marketing is reliable and popular:

  • High ROI: To this day, email marketing is one of the highest ROI digital marketing strategies – with an average ROI of $36 for every $1 spent.
  • Widely-Used: ~80% of SMBs rely on email marketing as their primary customer acquisition and retention channel – demonstrating its enduring popularity and ability to get results.
  • Consumer Preferences: 49% of consumers said they like receiving weekly promotional emails from their favorite brands.
→ Do email marketing services work for small businesses?

Yes, email marketing is still one of the most important and effective marketing channels available. And there are four ways of looking at this.

First, the data proves that email marketing is reliable and popular:

  • When working with us, you can select the services that suit your needs and budget, then invest in more as your results improve.
  • Some clients hire us to create email templates. We teach them how to populate the templates with new content and send it out to subscribers using their ESP (email service provider).
  • Some clients hire us for part time. We work together to decide which email campaigns they want us to create for them. Then we create the campaigns, deploy them each month, report on results, and optimize them for max ROI.
  • We refer to this as a Dedicated Resource contract. Basically, we assign a team of email marketers to manage their accounts, as if they worked for the company directly. The team works in the client’s time zone, so they’re available when the client needs them.
→ Does your email marketing firm offer services for eCommerce businesses?

Yes. In fact, eCommerce is one of our largest market segments! Our eCommerce services include:

  • Email Strategy & Audit: We audit your current email strategy and create a strategy for improving it. You’re free to use that strategy yourself with your own team or hire us to execute it.
  • Email Campaign Management: We as a full-service email marketing agency, will help you select, create, execute, and manage email campaigns (email automations, monthly email sends, etc.) that will grow your eCommerce sales.
  • Email Automation: We can create automated email campaigns.
  • Email Template Production: For those who want less involved services, we can design fully optimized, mobile-ready email templates that your team can use for your monthly email campaigns.
  • ESP Vendor Evaluation & Migration: If your current ESP just isn’t getting the job done, we can help you find and migrate to the best ESP for your needs. We have experts in over 49 ESPs on our team.
→ How do I choose the best email marketing agency for my business?

Finding the best email marketing company for your needs takes work. But the process usually involves 3 steps:

  • Build a big list of right candidates.
  • Pair down your big list of agencies into a smaller list of top candidates (usually by using reviews to filter people out and focusing on candidates who’ve gotten the results you want for businesses in your industry).
  • Then schedule consultations with all of the top email marketing agencies until you find the right one. Start by deciding what type of email agencies you’ll need. In other words, what services do you require?

Some email marketing companies specialize in design (email design agency) and other niche services.

Some agencies offer a full spectrum of digital marketing services. If you want the best results possible, we highly recommend you choose an agency that specializes in just email marketing.

Once you have your list, check for case studies of their clients and use reviews to pair your list down to the top choices.

→ Which ESPs do you support?
  • CapStone is an ESP-agnostic email agency. That means that we can help you get results from email marketing no matter what ESP you’re using.
  • We have experts in over 49 ESPs on our team including Mailchimp, Salesforce, Klaviyo and more. Chances are, you’re using an ESP we’re familiar with.
  • We also offer ESP Vendor Evaluation & Migration services. We can help you evaluate your current ESP (to see if you could be getting better results with another option), find the best ESP for your business, and migrate to the new ESP quickly and effectively.
→ What is an email marketing agency?

An email agency consists of prospect researchers, strategists, marketers, coders, consultants, who specialize in their fields. They come together to meet the clients’ business goals by improving upon their existing email marketing programs or creating one from scratch.

→ What does an email marketing agency do?

Email marketing agencies manage end-to-end email marketing requirements on behalf of clients. For this, they have a number of dedicated professionals who’re experts in their niche and bring several years of industry expertise to the table.

There are several services that they offer, which include but are not limited to–

  • Building a targeted list of prospects of your target audience;
  • Crafting a stellar email strategy;
  • Setting up up email automation/ workflows from scratch;
  • Managing the entire email campaign;
  • Focusing on email deliverability;
  • ESP vendor evaluation and migration;
  • Creating winning email copy;
  • Designing and coding customized email templates;
  • Providing a dedicated team
→ How much does it cost to hire an email marketing agency?

The pricing is entirely dependent on your needs and budget.

The minimum for our monthly managed services is $1,300 per month.

The real consideration is how much ROI can you get from your investment. If an email marketing firm can make you more money than you’re spending on their services, then cost isn’t a factor.

→ Who needs to hire an Email Marketing Agency?

Email marketing agencies are well-equipped to handle email marketing requirements for startups, solopreneurs, SMBs, enterprises, and more. Also, businesses who don’t have an in-house team to create and execute an email marketing campaign, or who think email marketing is not their expertise can opt for an agency. Businesses that don’t have time to focus and need to grow or who need to improve their engagement rates can also get benefits.

→ Do I need a full service email marketing agency? Can’t I work with freelancers?
  • For some companies, freelance email marketers will be suitable. Sometimes a freelancer may be a fit based on budget. But freelancers lack the total support and reliability you get from working with an agency.
  • How long has the freelancer been in business? And how many clients have they worked with? Each of our experts have experienced, addressed, and resolved every email marketing scenario that is likely to arise – and we put that expertise to work for you.
  • You also have to consider the nature of freelancing. If you hire a freelancer, there’s no guarantee they’ll still be working for you 1, 3, or 6 months into the future. The moment a client comes along and offers them more money, they’ll move on.
  • If you’re looking for a full service email marketing agency who have proven results, reviews from actual clients, and a track record of consistency, you may want to consider CapStone.