Klaviyo Email Marketing Agency for Startups and Growing Ecommerce Brands
Helping ecommerce brands turn Klaviyo into a revenue channel instead of a half-built dashboard full of forgotten flows.
Why Klaviyo email marketing
What is a Klaviyo Email Marketing & Why is it Important?
A Klaviyo email marketing agency helps brands get more from Klaviyo by managing the parts that need ongoing attention. That can include account audits, email flows, campaign planning, customer segmentation, deliverability, reporting, and SMS marketing where it makes sense.
Klaviyo needs more than a store connection and a few automated emails to work well. Your customer data needs to be organised properly, flows need to match different stages of the buying journey, and campaigns need to give subscribers a reason to keep opening, clicking, and buying. A Klaviyo email marketing partner should be actively improving these areas rather than simply setting up the account and leaving it to run.
At YellowInk, we use Klaviyo to help businesses increase repeat purchases and get more value from the customers and subscribers they already have. We look at what is working, what is being missed, and where email or SMS can contribute more revenue without overwhelming your audience.
41%
Of the total email revenue comes from flows using just 5.3% of sends.
18×
Higher average revenue per recipient from flows vs campaigns.
31%
Average email campaign open rate across industries.
5.58%
Average automated flow click rate across industries.
What We Do
What’s Included in Our Klaviyo Email Marketing Services
From account audits to ongoing optimisation, we cover every part of Klaviyo email marketing. Whether you’re migrating from another platform or want more revenue from the flows you already have, our services are built to turn your account into a real retention channel.
Klaviyo account audits and setup
We review the current account, the data, the integrations, and the obvious weak spots so you can see what is helping and what is quietly costing the business money.
Lifecycle flows and automations
We build and improve the flows that do the heavy lifting, from welcome and abandoned cart to browse abandonment, post-purchase, replenishment, and win-back.
Campaign planning and management
We plan and run campaigns around launches, promotions, seasonal pushes, and customer segments so the sends feel more targeted and more commercially useful.
Segmentation and personalisation
We structure audiences using purchase, behaviour, and engagement data so the messages are more relevant and the campaigns feel less generic.
Email and SMS strategy
Where it makes sense, we align email and SMS so the messaging feels joined up rather than repetitive.
Deliverability and list health
A campaign is not much use if the emails do not land where they should. We help keep the account cleaner, healthier, and less prone to avoidable deliverability issues.
Migration to Klaviyo
If you are moving from another email platform, we help bring over lists, flows, templates, and logic without making the migration harder than it needs to be.
Reporting and optimisation
We report on what matters, then refine the work based on revenue, engagement, flow performance, and customer behaviour rather than guesswork.
TESTIMONIALS
Clients Around the World. Results That Speak for Themselves.
We work with businesses across the UK, North America, Europe, and beyond. Here’s what some of them have to say about working with the YellowInk team.
Help
Who We Help
Startups launching their first serious retention setup
A lot of newer brands know they should be doing more with email, but the setup is usually patchy or built around a template someone switched on months ago. We help turn that into something more useful.
Small ecommerce brands that need more revenue from email
Some stores do not need more traffic straight away. They need to do more with the subscribers and customers they already have. That is where better campaigns and stronger flows start paying off.
Growing stores that want better flows, segmentation, and campaign support
If the business is already using Klaviyo but the account feels underused, messy, or stuck at a basic level, this service is designed to help clean it up and make it work harder.
Why Us
Why Choose YellowInk as Your Klaviyo Email Marketing Partner
How We Do
How Our Klaviyo Process Works
Work with a Klaviyo team that knows how to turn ecommerce email into a real revenue channel. We focus on flows, segmentation, and campaigns that help you get more from the customers you already have.
We review the account and the data
Before changing anything, we look at the current setup, data quality, existing flows, campaign history, integrations, and the places where the account is underperforming.
We map the flow and campaign strategy
Once the gaps are clear, we define which lifecycle flows matter most, how the campaigns should be structured, and where segmentation should sharpen the message.
We build and launch
Then we create or rebuild the flows, campaigns, and supporting account structure so the work can start doing something useful.
We test and optimise
Once live, we review what is landing, what is converting, and where the weak spots are. Then we fix them.
We report, refine, and improve
We keep improving the account based on performance, revenue, and customer behaviour rather than treating the setup as a one-time project.
FAQs
Klaviyo Email Marketing Related FAQs
Got questions? We’ve got answers.
What do Klaviyo email marketing services include?
Klaviyo email marketing services usually include account audits, lifecycle flows, campaign planning, segmentation, deliverability work, migration support, reporting, and ongoing optimisation. The exact mix depends on how your store sells and where the account is weakest. The aim is to make Klaviyo more useful to the business than it is decorative.
What does a Klaviyo email marketing agency actually do?
A Klaviyo email marketing agency helps set up, improve, and manage the parts of Klaviyo that affect retention and revenue. That includes flows, campaigns, segmentation, deliverability, and sometimes SMS. In short, it turns the platform from “connected” into “commercially useful.”
Is Klaviyo worth it for smaller e-commerce brands?
Yes, it can be, especially when the store wants to build repeat revenue and make better use of customer data. The stronger UK Klaviyo pages are not just speaking to huge brands. Many of them clearly target smaller ecommerce teams that need smarter retention support without building a giant marketing department.
What is the difference between Klaviyo campaigns and flows?
Campaigns are usually scheduled sends for launches, offers, and regular communication. Flows are automated messages triggered by customer behaviour or lifecycle stage. Klaviyo’s own benchmarks make the distinction pretty clearly, and they also show that flows generate a much bigger share of revenue relative to send volume.
Can you migrate my email marketing to Klaviyo?
Yes. We can help move lists, templates, flows, and logic from another platform into Klaviyo in a way that is cleaner and easier to manage afterwards. Migration support is a repeated service angle across top-ranking UK Klaviyo pages.
Does Klaviyo support SMS as well as email?
Klaviyo positions itself as an email-and-SMS platform, and many UK agencies ranking here also treat SMS as part of the service rather than an extra. The important part is making the two channels feel joined up rather than repetitive.
What does a Klaviyo email marketing partner help with?
A Klaviyo email marketing partner should help with account setup, lifecycle flow strategy, campaigns, segmentation, deliverability, migration, and ongoing optimisation. In practice, the real value is not the partner label itself. It is whether the team can make the platform more useful to your business.
Can YellowInk manage Klaviyo on an ongoing basis?
We can support the account on an ongoing basis, from campaign planning and flow updates to testing, reporting, and performance refinement. That means the account can keep improving instead of being left exactly where it started.
Need Klaviyo to Drive More Than Just Sends?
If your current account feels underused, messy, or stuck at the level of “it technically works,” YellowInk can help you build something sharper and more useful. Talk to our Klaviyo team about what your brand needs and how the right setup can support your next stage of growth.