Find the Best Klaviyo Experts in the United Kingdom
Looking to hire a Klaviyo expert in the UK? shopexperts connects British Shopify merchants with vetted Klaviyo consultants, agencies and Klaviyo Partners — from flow setup and segmentation strategy to campaign management, Klaviyo AI, deliverability and migrations from Mailchimp or Dotdigital.
UK merchants have two considerations that US-based consultants often miss: GDPR and PECR consent requirements, and post-Brexit UK plus EU multi-region setup. Compare freelance consultants, boutique agencies and Klaviyo Platinum Partners by budget, tier and documented case studies, then request a free quote in minutes.
Top-rated Klaviyo consultants and agencies in the UK
I have been a Shopify Developer for over 5 years and have experience handling a wide range of projects, from custom theme builds to specific app development. My focus is always on providing practical solutions and high-quality work that meets your specific requirements without overcomplicating the process.
Vevol Media is a Shopify Plus Partner agency specialised in web development and email marketing, with a strong focus on CRO growth & migrations to Shopify Plus. They have collaborated with renowned brands such as: Bound Apparel (Ireland) One Dame Lane (Ireland) DY Nutrition (US) Dossier Perfumes (US) and many more. Their expertise is also recognised through the creation of an official Shopify theme, “Noblesse”, and their community involvement is reflected by organising events like Shopify Meetup CEE (2025/26) and Shopify Meetup Dublin (2025). Their team provides end-to-end migration solutions to Shopify and Shopify Plus, transforming complex stores from platforms such as Magento or VTEX into modern, high-performance experiences. To date, they have completed over 35+ migrations for clients across various industries, from fashion and lifestyle to jewellery and B2B. For further information, visit www./vevolmedia.com/
LevelOps is a consulting and technology agency built for fast-growing Shopify brands that have outgrown spreadsheets, manual workflows, and disconnected systems. We combine three disciplines under one roof, operations expertise, systems integration, and in-house software development and AI automation. We own the entire delivery from diagnosis through implementation, and we stay accountable to the outcome. Turnkey, end to end, no gaps. We understand how inventory, purchasing, fulfillment, and manufacturing actually work. We know how to connect the systems that run them. And when no tool exists to solve the problem, we build it ourselves. Strategic Operations Consulting Deep, hands-on expertise across purchasing, inventory, fulfillment, and manufacturing. We design end-to-end workflows that connect your Shopify storefront to the back office, from ERP selection and setup to data migration and process optimization, so your operations run as one system, not a dozen disconnected ones. Smart App Stack & AI Agents We select, implement, and integrate the right apps based on industry best practices. When no existing app solves the problem, we build our own. Our curated suite includes A2X, Myworks, Katana MRP, MRPeasy, ShipStation, Matrixify, Shopify Flow, and more. PDF-to-Order Automation Our flagship app converts emailed or uploaded PDFs directly into Shopify or ERP sales orders, eliminating manual data entry for wholesale and B2B workflows. Seamless ERP/MRP & Business Systems Integration We connect Shopify to QuickBooks Online, HubSpot, Katana MRP, MRPeasy, Cin7, Odoo, Microsoft Business Central, NetSuite, and more. One connected ecosystem, zero data silos. We own the delivery. We own the outcome. You just grow.
Three Acres is a solo-run Shopify agency led by Brendan Quigley, specializing in high-impact eCommerce development, theme upgrades, and ongoing merchant support. With over eight years of hands-on experience building, optimizing, and maintaining Shopify stores, I’ve worked directly with merchants of all sizes to improve performance, streamline operations, and launch features that drive revenue. My work is deeply technical and strategy-driven: theme customization (OS 2.0), custom Liquid, metafields/metaobjects architecture, app integrations, performance optimization, advanced cart/checkout workflows, and data-driven problem-solving. I’ve supported merchants through full store builds, redesigns, migrations, CRO initiatives, membership-style retainers, and ongoing eCommerce operations.
Sounds Good Agency is a leading Shopify Plus Partner and the first dedicated Shopify agency in the Czech Republic and Slovakia. As certified Shopify Experts since 2016, we specialize exclusively in building and scaling high-performance e-commerce solutions for medium to large enterprises, with a focus on DTC, B2B, and omnichannel retail brands achieving $3M–$200M+ in GMV. Our 15+ person team of full-stack developers, designers, strategists, and project managers brings over 20 years of combined expertise in every phase—from strategic planning and architecture to seamless implementation and ongoing optimization. We're passionate about AI-first processes to accelerate development, foster honest collaboration, and deliver future-proof results that drive real growth. Team Skills E-commerce Strategy & Consulting: Optimizing customer journeys, B2B wholesale portals, and omnichannel ecosystems; expertise in data-driven decisions, CRO (conversion rate optimization), and AI integration for scaling. Project Management & Leadership: End-to-end oversight of complex migrations, custom builds, and integrations, with a track record of 50+ projects completed on time and within budget. Full-Stack Development: Balanced frontend/backend capabilities for enterprise-grade apps, themes, and architecture. Design & UX: High-conversion themes, custom templates, and traffic-ready interfaces tailored for global audiences. Projects We Specialize In We excel in transformative e-commerce projects that blend technical precision with business impact. Highlights include: Store Migrations & Builds Custom App Development B2B/Wholesale Implementations Redesigns & CRO-Focused Themes Systems Integrations With a 5.0 rating from 120+ Shopify reviews and clients spanning fashion, electronics, health/beauty, and food/drink industries, we're committed to stability, innovation, and partnership. Let's build something extraordinary together!
Built by operators, backed by results. Enterprise-level Shopify solutions designed and optimized by eCommerce veterans who measure success in growth, conversions, and ROI - not just launches. We help fast-growing DTC brands squeeze more money out of their websites and future-proof their tech stacks through redesigns, ongoing conversion optimizations, and custom platform enhancements. https://sparky.us/ _____________________________________________________________________________________________ Recent Projects: - HeyDude: Grew checkouts reached by 51% with bespoke Shopify theme in three months ahead of Holiday. Implemented SEO best practices to boost discoverability and site health - ' 47: Increased site speed by 300% with custom theme build, including custom Algolia Integration, & favorite teams concept to personalize shopping experience. - GHOST: Increased conversion rate by 7% with custom designed & built Shopify theme. Built custom award-winning loyalty program, mobile app, and GWP feature. - Rockets of Awesome: Led a Shopify Plus migration and built editable subscription bundles, reworked curation and box logic to empower merchandising, and delivered a custom quiz and box curator integrating Shopify, Awtomic, and Pitney Bowes. - Legends B2B: designed & build custom B2B website to drive wholesale growth leading to $9M in YoY revenue & 7.8% conversion rate. Improved wholesale efficiency: Faster bulk ordering, clearer inventory visibility, reduced manual ops - VENUS Fashion: Full scale migration, migrating products, customer data, and content into a streamlined Shopify Plus storefront with clear product structures. Unified tools and integrations into one ecosystem, reducing complexity and maintenance. - York Athletics: Designed and built a bespoke Shopify theme driving a 40% YoY conversion lift post-launch, sustained despite fewer promotions, plus a front-end solution for gendered SKUs without back-end impact.
function(), MALVI's Shopify branch, crafts high-performance, scalable commerce projects with forensic engineering, brand-led strategy, and zero fluff. As a Shopify-exclusive agency, we carry forward MALVI's award-winning DNA in design, strategy, and storytelling—so every function() project benefits from over a fifteen years of big-picture thinking and pixel-perfect rigor. Working with Shopify exclusively for over 9 years, function() has helped brands grow and expand, reach their intended audience and goals, and enjoy life-changing support from a stellar team. From Shopify Plus official case studies to emerging boutique stores, function() partners with ambitious teams at every stage of growth. We specialize in complex builds, replatforming, and long-term evolution—turning Shopify into a durable growth engine rather than a short-term solution. Our work is opinionated, data-informed, and execution-obsessed, with a hands-on approach embedded from strategy through launch and beyond. The promise: commerce experiences that scale cleanly, convert intentionally, and stand up to real-world demand.
Most agencies consider the job done when the task is finished. We consider the job done when your business grows. Backed by experience in building globally recognized apps and running our own e-commerce ventures, we offer a true merchant’s perspective. From pixel-perfect UX to proactive conversion optimization, we treat your project as our personal business card. A Genuine Business Ally: We don't just tick boxes. We align our goals with yours, ensuring that our work contributes directly to your bottom line. Built by Merchants, for Merchants: With experience running our own e-commerce projects and building global apps, we bring a practical, owner-centric perspective to your project. Proactive Optimization: We don’t wait for you to spot the gaps. We actively look for ways to improve UX and conversion rates while we work. Uncompromising Quality: We treat every pixel and line of code as a representation of our reputation. If it’s not perfect, it doesn’t leave our studio.
• 4+ years of exclusive Shopify development experience • Built and customized storefronts for 100+ brands • Long-term collaboration with one of the largest Shopify agencies in the DACH region (Eshop Guide), working on enterprise stores including New Balance • Long-term collaboration with a leading Shopify CRO agency (ConversionWise), supporting high-growth brands such as G FUEL • Developed Shopify apps, both bespoke client solutions as well as public apps published on the Shopify App Store
Craftiville is a modern Shopify development agency built on expertise, creativity, and precision. •We specialize in crafting customized eCommerce solutions from store setups and migrations to app development and performance optimization all designed to help brands thrive in the digital marketplace. • Our identity reflects who we are: a team of experienced developers with a global mindset and a passion for elevating online experiences. • At Craftiville, every detail matters. We combine technical mastery with a deep understanding of our clientsʼ goals to deliver solutions that are efficient, scalable, and beautifully executed. • More than a service provider, weʼre your success partner turning your eCommerce vision into a crafted reality.
Klaviyo runs email, SMS, reviews, forms and predictive segmentation for Shopify stores, and it's the highest-leverage app in most DTC stacks — contributing 25-40% of total revenue for mature brands. Bad Klaviyo work costs more than skipping it: broken flows send discount codes to the wrong lifecycle stage, poor segmentation burns sending reputation, and missed abandoned cart automation leaves 5-10% of monthly revenue unclaimed.
Work through these steps before requesting quotes.
Define what stage you're at. "Set up Klaviyo" means one thing for a store that just installed it and another for a store with fifteen flows needing optimisation. "Install Klaviyo, build the core five flows, and set up three baseline segments with GDPR-compliant consent capture" produces comparable quotes. Include monthly email revenue, list size, current ESP if migrating, and any SMS goals.
Match the specialist to the project. Freelance consultants (£60-£140/hour) fit stores under £1.5M annual revenue and defined project work. Boutique agencies (£2,500-£8,000/month) fit stores £1.5M-£12M where email and SMS are a full workstream. Klaviyo Platinum or Master Partners (£5,000-£20,000+/month) fit stores past £12M where email drives significant revenue.
Verify Partner tier and GDPR experience. Klaviyo ranks agency partners Bronze, Silver, Gold and Platinum, with Master as a separate individual certification. Check claimed tiers in the Klaviyo Partner Directory. Separately, ask how they handle consent capture in forms and flows — UK PECR rules add requirements around soft opt-in that US-focused consultants routinely miss.
Ask for attribution screenshots, not case study decks. "We built flows for a brand like yours" is not evidence. Attributed email revenue moving from 18% to 32% of total, with dates, from a real Klaviyo dashboard, is. Ask for three.
Get the deliverable list in writing. A good retainer names what ships each month: flows built or optimised, campaigns sent, tests run, segments created, reporting cadence. "Monthly Klaviyo management" with no deliverable list is billing for presence, not output.
How much does a Klaviyo expert cost in the UK?
UK Klaviyo experts typically charge less than US equivalents for the same work, and the market is deep enough that senior freelancers compete directly with agencies. Typical ranges from experts listed on shopexperts:
Per project
£1,500 – £25,000+
Flow setup, audits, migrations, single-project work
Hourly rate
£60 – £200
Freelance consultants to senior specialists
Monthly retainer
£1,200 – £10,000+
Ongoing campaign and flow management
Single flow setup — welcome or abandoned cart — sits at £1,200-£3,500. The full core five flow suite runs £4,000-£12,000. A Klaviyo audit runs £2,500-£8,000.
Migrations from Mailchimp, Dotdigital, Bronto or Constant Contact run £3,000-£16,000 including deliverability warmup.
Ongoing management runs £1,200-£3,500/month for small stores, £3,500-£7,000/month for mid-market with weekly campaigns and active segmentation, and £7,000-£20,000+/month for enterprise Platinum Partner work with dedicated strategists.
SMS setup adds £1,500-£6,000 as a one-time project plus £400-£2,500/month ongoing. UK SMS unit costs run several times higher than US costs, so ROI thresholds are stricter and segmentation quality matters more.
Post-Brexit UK plus EU multi-region setup adds 15-25% to setup cost, covering dual-market consent capture, region-specific flows and VAT-inclusive display in emails. These fees are separate from your Klaviyo subscription. Request a free quote for a figure specific to your list.
Klaviyo experts in London
London has the highest density of senior Klaviyo talent in the UK, largely because it has the deepest concentration of DTC brands running email and SMS at scale. Bloom & Wild, Papier, Lounge, Charlotte Tilbury and Chilly's all run substantial Klaviyo programmes from the city.
Klaviyo itself is headquartered in Boston and opened a London office in 2019 to serve the UK and EU market. That local presence has produced a UK alumni pipeline now working as independent consultants and inside agencies.
Established Shopify studios with London-based Klaviyo practices include Underwaterpistol, Blend Commerce and We Make Websites, alongside Klaviyo-focused agencies operating in the city.
Manchester is the UK's second Klaviyo hub. BooHoo Group, PrettyLittleThing and other North West fashion DTC brands run large-scale Klaviyo operations, and Manchester agencies serve mid-market brands at lower day rates than London.
Bristol has a growing independent consultant community, and Edinburgh, Leeds and Brighton all have quality mid-market talent. Because Klaviyo work is delivered entirely remotely, you can hire a London-based expert from anywhere in the UK — or a Manchester one and save 20-35%.
UK Klaviyo experts cover the full stack of Klaviyo work, with particular strength in GDPR-compliant consent capture and post-Brexit UK plus EU setup. The most requested services on shopexperts:
A UK Klaviyo expert designs, builds and optimises email and SMS programmes on Klaviyo for Shopify stores — flow setup, campaign strategy, segmentation, SMS marketing with PECR compliance, Klaviyo AI implementation, GDPR-compliant consent capture, deliverability work, and migrations from Mailchimp, Dotdigital or Constant Contact. Many also handle post-Brexit UK plus EU multi-region setup for merchants selling into both markets.
How much does a Klaviyo expert cost in the UK?
Typical prices range from £1,500 to £25,000+ per project, £60 to £200 per hour, or £1,200 to £10,000+ per month on retainer. Single flow setup runs £1,200-£3,500, the full core five suite runs £4,000-£12,000, ESP migrations run £3,000-£16,000, and ongoing management runs £1,200-£20,000+/month depending on store size and Partner tier.
Which Klaviyo flows should every Shopify store have?
Five: welcome, abandoned cart, browse abandonment, post-purchase and win-back. Together these typically generate 20-35% of total Klaviyo revenue. Advanced stores add product-specific flows, VIP flows and replenishment flows for consumables. UK stores selling into the EU also add region-specific welcome and post-purchase flows to handle VAT-inclusive pricing and country-specific delivery expectations.
How does Klaviyo handle GDPR consent in the UK?
Klaviyo has built-in features for GDPR-compliant consent capture — double opt-in, explicit consent language, consent record keeping and unsubscribe handling — but they need deliberate configuration. UK PECR rules add specific requirements around soft opt-in and marketing to existing customers that US-focused consultants frequently miss. For UK plus EU merchants, senior specialists typically build separate lists per region with region-specific consent language and preference centres, plus separate sending reputation per region. Setup adds 15-25% to standard project cost.
Klaviyo or a dedicated SMS platform for UK SMS?
Klaviyo SMS for most UK merchants, because unified segmentation and attribution across email and SMS beats running two platforms. Attentive and Postscript are US-focused SMS specialists and often lack strong UK short code support or PECR-native workflows — usable, but requiring additional configuration. UK-specific platforms sometimes fit UK-only merchants with high SMS volume. Note that UK SMS unit costs run several times higher than US costs, so segmentation quality and ROI thresholds matter considerably more.
Is Klaviyo AI worth it for UK brands?
For most UK Shopify DTC stores past £400K annual revenue, yes. Predictive segments — churn risk, next order date, predicted CLV — enable segmentation that would take a data analyst weeks to build manually, and typically drive 8-15% lift on total email revenue when implemented thoughtfully. One caveat specific to UK brands: verify generated subject lines and copy for British English rather than American, and for cultural fit, before sending.
When should I hire a Klaviyo expert rather than doing it in-house?
Hire external help when the opportunity cost exceeds the fee. Klaviyo drives 25-40% of revenue for mature Shopify DTC brands, so a store missing 10% of email revenue through broken flows is often losing £8,000-£80,000+ monthly depending on size. Hire for initial setup, migrations, GDPR consent architecture and strategic overhauls. In-house or freelance ongoing management works well for stores under £1.5M revenue with basic weekly campaign needs.
How long does Klaviyo setup take?
Basic installation with brand template setup takes 1-2 weeks. The full core five flow suite takes 3-6 weeks. Migration from Mailchimp or Dotdigital takes 4-8 weeks including deliverability warmup. Enterprise builds with SMS, multi-brand and Klaviyo AI take 8-16 weeks. UK plus EU multi-region setup adds 2-4 weeks for consent architecture and dual-market flow work.
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