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UK Klaviyo Agency & Growth Partner

Klaviyo management services, from a second opinion to full ownership

We're an official Klaviyo partner and we run Klaviyo for eCommerce and lead gen brands. Some clients want a second pair of eyes on their flows. Others hand us the whole account: campaigns, flows, segmentation, design, deliverability and reporting. Either way the job is the same. Make Klaviyo earn more than it costs you, month after month, without burning your list. Scroll down for a free Klaviyo audit or read on to see how we work.

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The Official Klaviyo Partner Brands Go To

From setup and segmentation to advanced automation and campaigns, brands choose us when they want Klaviyo to drive real growth.

We work with 50+ brands globally – from major enterprises to fast-moving challengers building email from the ground up.

Wherever you’re starting, we build the right path to scale.

We have dedicated in-house graphic designers, strategists and senior experts – all involved in supporting our CRM/Klaviyo management.

Our How to Choose a Klaviyo Agency guide may also be useful.

Client Logos for Email

How we can help in Klaviyo

Pick one service or hand us the lot. Each one has its own page if you want the detail.

Klaviyo flows

Welcome, abandoned cart, back in stock, post-purchase and win-back flows built around how your customers actually buy. We keep testing timing and messaging so your flows keep earning long after launch.

Explore our Klaviyo flows

Klaviyo campaigns

A planned calendar of campaigns and newsletters, designed, written, sent and reported on for you. Every send has a job to do and a segment to do it with.

See Klaviyo campaigns

Segmentation

Engagement tiers, customer lifetime value and new versus returning segments that put the right message in front of the right customer.

See Klaviyo segments

Deliverability

Authentication, list hygiene and sending habits sorted so your emails land in the inbox rather than spam. If it doesn't land, it doesn't sell.

Fix deliverability

WhatsApp and SMS

SMS and WhatsApp added to your flows where they add revenue, with consent handled properly from day one.

See WhatsApp and SMS

Moving from Mailchimp?

Thinking of switching? We'll give you a straight answer on whether Klaviyo is worth it and handle the move if it is.

Move from Mailchimp

Not on Klaviyo? Our email marketing agency team works across Mailchimp, HubSpot, ActiveCampaign, Dotdigital and more.

Book your free consultation call

  • Paddy Cumiskey
  • Jon Brown
  • Shane Parkins
  • George Newell-Hall
  • Polly Evans

One of our senior Klaviyo experts will walk you through how we work, review your current setup and put together a tailored proposal with clear next steps. No hard sell, just honest advice on what’s working and where the opportunity is.

Claim your free Klaviyo Audit

Pulling in some serious Klaviyo numbers

We're a leading UK Klaviyo marketing agency, trusted by over 50 brands in supporting them with SEO, Ads, Klaviyo and UX. We're based in Thornaby, Teesside but we pack a punch on a national and international level.

How much does a Klaviyo agency cost?

Our price tables are a guide, not a fixed price list. We charge for the time your account needs, so each tier gives you a flavour of what you get at that level of spend.

As a rough guide, if you spend around £400 a month you’d likely sit in our Campaigns tier. Around £900 a month would likely put you in Klaviyo Essential, around £1,500 in Klaviyo Growth+ and £2,400 or more in Bespoke.

What moves the price? How many profiles you have, how many campaigns you send, how many flows need building or fixing and how much design you need. We’ll tell you where you’re likely to land after the free audit, not before.

Our fee is only half the picture. Klaviyo bills you on active profiles, so a bloated list costs you twice: once in your Klaviyo bill and again in deliverability. Cleaning that up is often the first saving we find.

As an official Klaviyo partner, we receive commission from Klaviyo. We use it to fund a better service for our clients and it never decides which platform we recommend.

What does being a Klaviyo partner mean for you?

Plenty of agencies call themselves Klaviyo partners. Check the Klaviyo partner directory before you sign anyone. We’re listed there and our guide on how to choose a Klaviyo agency shows you where to look.

  • Commission that funds a better service. Klaviyo pays partners commission and we put it into the service you get from us.
  • No long contracts. If we’re not delivering you can leave. We’d rather earn the next month than lock you in.
  • Permanent specialists on your account. Strategists, CRM specialists and designers who work for us, not freelancers.
  • No sales team. Your first call is with the people who would actually run your account.

Klaviyo Service Pricing

Campaigns

Suitable for businesses with:

  • Existing Klaviyo Instance
  • 4+ Campaign Sends/Month
  • Email Design Requirements

Klaviyo Essential

Suitable for businesses with:

  • Existing Or New Klaviyo Implementation
  • Up To 25,000 Profiles
  • 8+ Campaign Sends/Month
  • Basic Email Design Requirements
  • 10+ Active Flows
  • Basic Audience Segmentation
  • 1 Data Capture Form
  • 1 Email Template Design

Klaviyo Growth+

Suitable for businesses with:

  • Existing Or New Klaviyo Implementation
  • 100,000+ Profiles
  • 8+ Campaigns/Month
  • Advanced Email Design
  • Up To 2 Additional Comms Channels
  • 10+ Active Flows
  • Advanced Audience Segmentation
  • 2+ Data Capture Forms
  • 2+ Email Templates

Bespoke

Suitable for businesses with:

  • Existing Or New Klaviyo Implementation
  • 300,000+ Profiles
  • 12+ Campaigns/Month
  • Advanced Email Design
  • 20+ Active Flows
  • Multi-Channel Strategy (3+ Channels)
  • Third-Party Integrations (Loyalty, Subs)
  • Advanced Audience Segmentation
  • 4+ Data Capture Forms
  • 4+ Email Templates

What Klaviyo challenges are you facing?

Low Email Revenue & Poor Engagement?

If your email campaigns aren’t generating sales or your open and click-through rates are underwhelming, we’ll optimise your Klaviyo email marketing strategy with targeted segmentation, improved messaging and A/B testing to drive higher engagement and revenue. Also worth checking out our Klaviyo deliverability services for this particular problem.

No Time to Manage Klaviyo Effectively?

Running Klaviyo email marketing in-house takes time, expertise and constant optimisation. If you’re stretched thin, our Klaviyo service can take over; handling everything from email design to automation, so you can focus on scaling your business.

Lack of Automated Flows or Poor Performance?

A well-structured Klaviyo automation strategy is key to nurturing customers and driving repeat purchases. If your flows aren’t converting, we’ll refine them, creating high-performing automations like welcome sequences, abandoned cart flows and post-purchase emails that maximise retention.

Struggling to Grow Your Email List?

Building and maintaining a high-quality Klaviyo email marketing list is essential for long-term success. We implement list-building strategies that attract engaged subscribers while ensuring compliance with best practices to increase deliverability and engagement.

Inconsistent Campaign Strategy?

If you’re sending emails randomly without a structured plan, it’s time for a change. We build data-driven, conversion-focused Klaviyo campaign strategies that align with your sales goals, key promotions and customer lifecycle; ensuring consistent, high-impact email marketing.

Fix campaign strategy

Not Seeing ROI from Your Klaviyo Investment?

If you’ve invested in Klaviyo email marketing but aren’t seeing the returns you expected, our Klaviyo service will audit and optimise your account, implementing better segmentation, improved creative and revenue-focused strategies to ensure maximum profitability. We can also help integrate Google Ads & Klaviyo to bolster ROI.

Awards, shortlists and Klaviyo partner status

Want to do your homework first?

How to choose a Klaviyo agency

The metrics, red flags and questions to ask before you sign anyone, including us.

Read agency checklist

Klaviyo and Google Ads integration guide

Sync the right segments, get UK consent right and avoid the one setting that starves a campaign.

Read the Ads guide

Who will actually work on your Klaviyo account?

You won’t be passed to a junior account manager. These are the Klaviyo specialists you’ll speak to from the first call. Paddy Cumiskey heads up our Klaviyo function and has over 10 years in the industry. Jon Brown leads our creative, George Newell-Hall runs Klaviyo strategy day to day and Polly Evans, our newest starter, joins as Klaviyo Strategist. Our founder Shane Parkins, who has spent 14+ years in performance marketing, oversees the work.

Paddy Cumiskey, Climb & Conquer

Paddy Cumiskey

Head of Email & CRM

Jon Brown, Climb & Conquer

Jon Brown

Senior Creative Lead

Georgie, Climb & Conquer

George Newell-Hall

Klaviyo Strategist

Polly Evans, Climb & Conquer

Polly Evans

Klaviyo Strategist

Shane Parkins, Climb & Conquer

Shane Parkins

Founder

Klaviyo agency FAQs

  • What does a Klaviyo agency do?

    A Klaviyo agency plans, builds and runs your Klaviyo account so it makes money. For us that means flows, campaigns, segmentation, email design, sign-up forms, deliverability and reporting. You can hand us all of it or just the parts your team hasn’t got time for.

  • How much does Klaviyo management cost?

    Our tiers are indicative, not fixed. We charge for time, so each tier is a flavour of what that level of spend gets you. Around £400 a month typically sits in Campaigns, £900 in Klaviyo Essential, £1,500 in Klaviyo Growth+ and £2,400 or more in Bespoke. Your Klaviyo subscription is separate and billed by Klaviyo on active profiles.

  • Are you an official Klaviyo partner?

    Yes. We’re a certified Klaviyo partner and you’ll find us in Klaviyo’s partner directory. Klaviyo pays us partner commission, which we use to fund a better service for you.

  • Do you tie clients into long contracts?

    No. We don’t do contracts, so you can leave at any time. Do give any agency 6 to 15 weeks to make changes before you judge the results, though.

  • Do you only work with brands in the North East?

    No. We’re based in Teesside but we work with 50+ brands across the UK and internationally. Where you are has never stopped us running a Klaviyo account well.

  • Can you run Klaviyo alongside our Google Ads and SEO?

    Yes. That’s where we’re strongest. Our Klaviyo, Google Ads, SEO and Meta Ads specialists sit in one team, so your audiences, suppression lists and reporting line up instead of two suppliers claiming the same sales.

  • What if we're not on Klaviyo yet?

    We’ll tell you honestly whether moving makes sense. On Mailchimp? Start with our Klaviyo vs Mailchimp comparison. Happy where you are? Our email marketing agency team can help on your current platform instead.