Picking a Shopify development agency feels a bit like dating-you swipe past a hundred polished profiles, then realize half of them ghost you the moment things get technical. The truth? Only a handful of agencies consistently build stores that load fast, scale without drama, and turn one-time buyers into repeat obsessives. These are the teams that seven- and eight-figure brands keep on speed dial when a launch can’t flop. No fluff, no paid placements-just the agencies that keep proving they’re worth the invoice.
Extuitive - the Ads That Actually Work
We started Extuitive because we were tired of seeing Shopify merchants burn cash on ads that looked nice but moved zero units. Our platform does the heavy lifting: you connect your store once, and the AI immediately pulls every product, analyzes who’s already buying (and who looks just like them), then generates dozens of full creatives - copy, statics, videos, carousels, the works.
Before you ever spend a dollar on traffic, the system runs every concept through thousands of AI agents modeled on real human behavior and tells you, with scary accuracy, which ones people will actually click and buy. When the winners are obvious, you can download the ready-to-go assets and run them yourself, or let the platform launch, scale, and optimize the campaigns automatically. Either way, what used to take weeks of designers, copywriters, and gut-feel guessing now happens in minutes, and the ads finally do what they’re supposed to do: sell.
1. Eastside Co
Eastside Co handles Shopify solutions that cover the full spectrum from initial strategy to ongoing tweaks. Projects often involve relaunching sites to match a brand's image, like smoothing out user paths and speeding up the backend for smoother shopping. Migrations come into play too, shifting stores from older platforms without halting sales, and subscription setups help expand reach across borders. Designers craft themes that pull in visitors, while developers layer in custom bits to keep things running clean.
Marketing fits in naturally here, with efforts aimed at pulling traffic through search tweaks and targeted ads, plus email flows to nudge repeat visits. Support lingers after launch, handling audits that spot weak spots and fine-tuning to lift engagement. Case examples show work on coffee subscriptions that blend unique hooks, or deodorant launches that weave in repeat-buy options seamlessly.
Key Highlights:
- Relaunch on Shopify 2.0 for premium alignment and faster loads
- Bespoke site builds with subscription integrations
- Migrations to Shopify Plus from Magento
- Subscription programs using Recharge for international reach
Services:
- Ecommerce strategy and business audits
- Shopify web design for themes and custom builds
- Shopify web development including migrations and Plus setups
- Performance marketing with SEO, PPC, social media, and email
Contact Information:
- Website: eastsideco.com
- Phone: +44 (0)20 7856 0270
- Email: info@eastsideco.com
- Address: 54 Poland St, London W1F 7NJ, UK
- LinkedIn: www.linkedin.com/company/eastside-co
- Facebook: www.facebook.com/EastsideCo
- Twitter: x.com/EastsideCo_
- Instagram: www.instagram.com/eastsideco_
2. Charle Agency
Charle Agency dives into building and refining Shopify stores, often starting with audits that map out user journeys and tech snags. Design work shapes experiences around branding and quick paths to purchase, incorporating upsells and discovery tools along the way. Development taps into code like Liquid and HTML to optimize speed and tie in apps, while migrations pull data cleanly from spots like WooCommerce or BigCommerce to avoid lost records.
Growth layers on with CRO tests that tweak interfaces based on heat maps and visitor patterns, alongside SEO that targets keywords and content for better visibility. Email and SMS strategies segment messages to match buyer stages, and monthly packages offer steady input on everything from fixes to marketing pushes. International setups handle currencies and regions without overcomplicating the core store.
Key Highlights:
- Bespoke store designs aligned with brand flow
- Migrations from Magento, WooCommerce, and similar platforms
- CRO through UI tests and A/B campaigns
- SEO strategies with technical tweaks and content focus
Services:
- Design and development for Shopify and Plus
- Conversion rate optimization audits and improvements
- SEO management including on-page and PR
- Email and SMS for retention and automation
Contact Information:
- Website: www.charleagency.com
- Phone: (+1) 929-999-5018
- Email: hello@charleagency.com
- Address: Charle NYC, 16 East 34th Street, New York, NY 10016, USA
- LinkedIn: www.linkedin.com/company/wearecharle
- Instagram: www.instagram.com/charleagency
3. Mgroup
Mgroup focuses on piecing together Shopify stores with custom themes that flex for different content needs. App builds add features like image zooms or price shifts based on tags, fitting right into product pages or checkouts. Support roles cover consulting on everything from setup to post-go tweaks, while B2B setups create gated areas with wholesale pricing and bulk tools tailored to operations.
Migrations guide shifts from platforms like WooCommerce, preserving the site's backbone during the switch. CRO efforts refine funnels with A/B runs and analytics, and SEO pushes visibility through keyword plans and speed boosts. Headless approaches separate frontends for more modular setups, and branding ties visuals with messaging for a unified feel across the store.
Key Highlights:
- Custom themes and sections for flexible pages
- B2B stores with wholesale and gated features
- App development for zoom, UI edits, and dynamic pricing
- Support consulting for furniture and analytics brands
Services:
- Shopify theme and store development
- Custom app creation and integrations
- Migration from WooCommerce and Magento
- CRO, SEO, and B2B/wholesale solutions
Contact Information:
- Website: mgroupweb.com
- Phone: +380 (97) 372 525 5
- Email: info@mgroupweb.com
- Address: 13 Trypilska Street, Zhytomyr, Ukraine, 10001
- LinkedIn: www.linkedin.com/company/monkeygroup-llc
- Facebook: www.facebook.com/mgroup.dp
- Twitter: x.com/MgroupWeb
- Instagram: www.instagram.com/mgroupweb
4. We Make Websites
We Make Websites shapes e-commerce setups with a lean on UX that eases navigation and hooks users early. Development builds out stores using Shopify's tools, often going headless to mix in composable parts for bigger scalability. International work sorts currencies and local content, while data migrations ferry over history without gaps in the flow.
Strategy sessions unpack CRO angles, spotting where drops happen and suggesting fixes like streamlined checkouts. Growth follows through with ongoing adjustments, blending design sprints with dev handoffs to keep projects on track. Examples lean toward brands needing robust, border-spanning sites that handle volume without hiccups.
Key Highlights:
- Headless commerce for modular builds
- UX/UI focused on user flow and purchase steps
- Internationalization with multi-region support
- Data migrations preserving content and orders
Services:
- UX/UI design and strategy insights
- Shopify development including Plus
- Internationalization and data migration
- Headless and composable commerce setups
Contact Information:
- Website: www.wemakewebsites.com
- Email: hello@wemakewebsites.com
- Address: 90/92 Pentonville Rd, London, N1 9HS, UK
- LinkedIn: www.linkedin.com/company/we-make-websites
- Twitter: x.com/wemakewebsites_
- Instagram: www.instagram.com/wemakewebsites_
5. Ecomx Agency
Ecomx Agency works on Shopify Plus stores, handling everything from fresh builds to lifting older sites into something cleaner and quicker to navigate. Designers turn Figma files into exact matches on mobile and desktop, while developers layer in custom checkout flows or wholesale sections when brands need separate buyer paths. Migration jobs pull products, orders, and customer history over from places like WordPress without dropping SEO rankings or breaking old links.
Maintenance stays in the picture after launch, fixing bugs, pushing updates, and running CRO tests that swap buttons or layouts until the numbers move. SEO work covers keyword mapping and page-speed tweaks so stores climb search results on their own. Brands that sell clothes, beauty, or home items often end up with setups that mix branding work and app connections in one go.
Key Highlights:
- Custom themes built from Figma designs
- Full migrations with SEO protection
- CRO testing on layout and checkout
- B2B and wholesale channel setups
Services:
- Shopify Plus design and development
- Theme customization and redesign
- Conversion rate optimization
- SEO and site maintenance
- App integration and support
Contact Information:
- Website: ecomxagency.com
- Phone: +1 408-709-4469
- Email: hello@ecomxagency.com
- LinkedIn: www.linkedin.com/company/ecomx-agency
- Facebook: www.facebook.com/ecomxagency
- Twitter: x.com/EcomxAgency
- Instagram: www.instagram.com/ecomx_agency
6. Swanky Agency
Swanky Agency operates out of offices in the UK, Australia, and France, focusing on getting brands onto Shopify Plus and keeping them growing afterward. Replatforming projects move stores over with minimal hiccups, preserving data and redirecting old URLs properly. Design and development cover complex builds, especially for subscription-heavy businesses that need flexible recurring-order logic.
International expansion work sorts out multi-currency setups and localized content so the same store works across different markets. CRO runs on actual visitor data, testing changes that speed up purchases, while marketing mixes SEO, paid ads, and email flows. Branding help comes in when companies want a refreshed look or new product lines rolled out cleanly.
Key Highlights:
- Replatforming to Shopify Plus with risk controls
- Subscription-focused custom solutions
- Multi-market internationalization setups
- Data-driven CRO programs
Services:
- Web design and development
- Conversion rate optimisation
- Digital marketing including SEO and ads
- Ecommerce branding and integrations
Contact Information:
- Website: swankyagency.com
- Phone: +44 (0) 1392 92 70 70
- Email: humans@swankyagency.com
- Address: Swanky, 19 Southernhay West, Exeter, EX1 1PJ, UK
- LinkedIn: www.linkedin.com/company/swankyagency
- Facebook: www.facebook.com/swankyHQ
- Twitter: x.com/swankyagency
- Instagram: www.instagram.com/swankyagency
7. B2 Agency
B2 Agency puts together Shopify stores through a straightforward discovery-to-support process that keeps clients in the loop at each step. Custom theme work shapes unique frontends, and app integrations add whatever functions a brand misses from the default setup. Migration paths bring sites over from other platforms while testing makes sure nothing breaks along the way.
Post-launch support covers ongoing fixes and small upgrades without long contracts. QA runs before every handover to catch glitches early, and the same developers who build the store usually stick around for later tweaks. The approach fits brands that want one group handling the initial build and whatever comes next.
Key Highlights:
- Step-by-step process from planning to post-launch
- Custom theme and functionality builds
- Migration and replatforming paths
- Flexible ongoing maintenance
Services:
- Shopify custom theme development
- App integration and bespoke features
- Platform migration and QA testing
- Ongoing support and updates
Contact Information:
- Website: www.b2agency.com
- Phone: 0113 833 0411
- Email: hello@b2agency.com
- Address: 2nd Floor, Equity House, Boar Lane, Leeds, LS1 5EN, United Kingdom
8. MM Shopy Devs
MM Shopy Devs creates tailor-made themes for mid-to-large stores, starting with prototypes and ending with code that responds fast on phones and desktops. Smaller brands get help tweaking existing themes or adding new sections without starting from zero. Full store setups handle everything from domain hookup to payment and shipping rules for companies just getting online.
Migration jobs shift sites from WooCommerce or Magento while keeping redirects clean and data intact. Ongoing support skips contracts, offering direct access for quick fixes or advice whenever something comes up. Documentation and short video walkthroughs come with every project so store owners can manage basic changes themselves.
Key Highlights:
- Bespoke theme design with prototypes
- Theme edits and feature additions
- Complete store setup for startups
- Contract-free ongoing help
Services:
- Custom theme design and development
- Theme customization and UX upgrades
- Platform migration to Shopify
- Store setup and post-launch training
Contact Information:
- Website: mmshopydevs.com
- Email: info@mmshopydevs.com
- LinkedIn: es.linkedin.com/company/mmshopydevs
- Facebook: www.facebook.com/MMShopyDevs
- Instagram: www.instagram.com/mm.shopydevs
9. GetDevDone
GetDevDone takes on Shopify projects mostly for agencies that need clean handoffs they can brand as their own. White-label work keeps everything under the partner's name, from custom themes to full store builds, and a dedicated project manager stays in the loop using whatever tools the client prefers - Slack, Jira, Trello, whatever works. Quotes come fixed with no surprise add-ons, and testing happens across a bunch of real devices and browsers before anything goes live.
Communication stays direct and quick, which helps when deadlines get tight. Transparency means any hiccup gets flagged right away instead of hidden until the last minute. The setup suits agencies that juggle multiple clients and want reliable outsourcing without the usual headaches.
Key Highlights:
- White-label Shopify development for agencies
- Fixed quotes and guaranteed timelines
- Testing on multiple physical devices
- Direct project manager from day one
Services:
- Custom Shopify theme creation
- Full store development
- Front-end and QA work
- Ongoing fixes and updates
Contact Information:
- Website: getdevdone.com
- Phone: 888.724.9414
- Email: service@getdevdone.com
- Address: 201 Spear Street, Suite 1100, San Francisco, CA 94105
- LinkedIn: www.linkedin.com/company/getdevdone
- Facebook: www.facebook.com/getdevdone
- Twitter: x.com/GetDevDone
10. Conspire Agency
Conspire Agency runs out of Los Angeles and handles Shopify builds that range from quick launches to fully custom experiences. Fractional teams fill in gaps for brands that need steady help without bringing on full-time hires - design, dev, CRO, all under one roof. Migrations get managed end-to-end so nothing falls through the cracks when moving from another platform.
CRO work leans on actual visitor data and structured tests to tighten the path from click to checkout. App development covers both private tools for single stores and public apps that end up in wider use. The setup works well for merchants who want consistent support without juggling separate freelancers.
Key Highlights:
- Fractional Shopify support teams
- Data-driven CRO testing
- Private and public app builds
- Full migration handling
Services:
- Shopify website design and development
- Conversion rate optimization
- Custom application development
- Ongoing growth and maintenance
Contact Information:
- Website: www.conspireagency.com
- Phone: +1 (310)424-5853
- Email: hello@conspireagency.com
- Address: 145 S. Fairfax Ave, Los Angeles, CA 90036
- Twitter: x.com/conspire_agency
- Instagram: www.instagram.com/conspire.agency
11. Radiant
Radiant operates as a Shopify Plus partner with offices in the UK and Middle East, building everything from ground-up themes to complex functionality. Theme work includes fresh builds or tweaks to existing ones, while custom development adds whatever unique checkout rules or product logic a brand needs. Migrations from platforms like WordPress or Magento keep SEO intact and traffic flowing during the switch.
Headless setups, B2B portals, and multi-country stores show up regularly in projects. Speed optimizations and third-party integrations round out the mix so stores stay fast even as features pile on. A project manager keeps clients in the loop from kickoff to handover.
Key Highlights:
- Bespoke theme and functionality builds
- Platform migration with SEO protection
- Headless and B2B implementations
- Multi-region store setups
Services:
- Shopify theme development and customization
- Custom app creation
- Site speed and integration work
- Ongoing support and maintenance
Contact Information:
- Website: byradiant.com
- Phone: +44 121 838 9689
- Email: info@byradiant.com
- Address: 10 Brindleyplace, Birmingham, B1 2JB
12. RVS Media
RVS Media delivers Shopify stores with a focus on custom themes and extensions that fit specific business flows. Marketplace builds and catalog management help when brands sell through multiple channels or need tight product organization. Migration paths bring sites over to Shopify while keeping redirects and data clean.
Performance audits dig into code and UX to spot slowdowns or conversion leaks. Third-party integrations tie in payment gateways, shipping tools, or whatever else the store relies on. Maintenance packages keep things updated and running smooth after launch.
Key Highlights:
- Custom theme and extension work
- Marketplace and catalog setups
- Code and UX audits
- Seamless platform migration
Services:
- Shopify store development
- Custom app and theme creation
- Performance optimization
- Third-party tool integration
Contact Information:
- Website: www.rvsmedia.com
- Phone: 0203 355 8081
- Email: hello@rvsmedia.co.uk
- Address: White Collar Factory, 1 Old Street Yard, London EC1Y 8AF
- LinkedIn: www.linkedin.com/company/rvs-media-ltd
- Facebook: www.facebook.com/rvsmediauk
- Twitter: x.com/rvsmediauk
13. MageCloud
MageCloud runs monthly improvement cycles for Shopify stores, digging into code and setup to lift speed, search rankings, and overall numbers. Front-end work keeps layouts clean and mobile-friendly, while back-end tweaks handle inventory spread across warehouses or multiple storefronts sharing one cart. Integrations tie in shipping carriers, payment processors, or Salesforce so data flows without constant manual fixes.
Plugin jobs either build new extensions from scratch or adjust existing ones to fit odd workflows. Projects often start with an audit that points out quick wins, then roll into longer support where small changes stack up over time. The US base keeps communication in similar time zones for brands that hate waiting on replies.
Key Highlights:
- Monthly performance and ranking upgrades
- Multi-store setups with shared carts
- Custom extension creation
- Free initial site audit
Services:
- Front-end and back-end development
- Third-party platform integrations
- Inventory and pricing rule management
- Ongoing store support
Contact Information:
- Website: magecloud.agency
- Phone: +441244952799
- Email: info@magecloud.agency
- Address: 6 Nicholas St., Chester CH1 2NX
- LinkedIn: www.linkedin.com/company/magecloud
- Facebook: www.facebook.com/magecloud.net
- Twitter: x.com/magecloud_net
14. BSS Commerce
BSS Commerce builds Shopify stores from the ground up or moves existing ones over without losing momentum. B2B sites get custom pricing layers and account controls, while speed work strips out whatever drags load times down across phones and desktops. AI pieces show up in recommendation engines or chatbots that learn from visitor patterns.
Mobile app versions turn regular stores into native iOS and Android experiences. Theme work ranges from full custom jobs to tweaks on pre-built ones, and app development fills gaps the public marketplace doesn't cover. Migration paths handle the jump from older platforms with redirects and data kept intact.
Key Highlights:
- B2B sites with account-specific pricing
- Store-to-mobile-app conversion
- Custom AI feature integration
- Full platform migration handling
Services:
- Custom store and theme development
- Shopify Plus enterprise builds
- Speed optimization
- Third-party system connections
Contact Information:
- Website: bsscommerce.com
- Phone: +84 983 513 599
- Email: consultant@bsscommerce.com
- Address: 18F & 19F, Viwaseen Tower 48 To Huu Street Trung Van, Nam Từ Liêm, Hà Nội 12000, Vietnam
- LinkedIn: www.linkedin.com/company/bss-commerce
- Facebook: www.facebook.com/bsscommerceit
- Twitter: x.com/BSScommerceIT
15. CartCoders
CartCoders puts together Shopify setups that include headless frontends through Hydrogen when brands want faster page flips. Marketplace conversions link several seller accounts under one roof, and ERP connections keep stock and orders in sync behind the scenes. Design work leans mobile-first with navigation that doesn't confuse shoppers on small screens.
App projects run from private tools for one store to public releases others can install. Migration jobs pull everything from WooCommerce, Magento, or BigCommerce while protecting old URLs. White-label options let agencies slap their own branding on finished stores or custom apps.
Key Highlights:
- Headless commerce using Hydrogen
- Multi-vendor marketplace builds
- ERP and Odoo syncing
- White-label store and app delivery
Services:
- Shopify store and Plus development
- Custom and public app creation
- Platform migration
- Digital marketing and design
Contact Information:
- Website: cartcoders.com
- Phone: +1 (602) 579-2892
- Email: contact@cartcoders.com
- Address: 5119 E Coolbrook Ave, Scottsdale, AZ 85254
- LinkedIn: www.linkedin.com/company/cart-coders
- Facebook: www.facebook.com/CartCoders
- Twitter: x.com/CartCoders
- Instagram: www.instagram.com/cartcoders_shopifyexperts
16. Paramount Digital
Paramount Digital shapes Shopify sites with custom themes or heavy tweaks to existing ones so the look matches what a brand already puts out in stores or ads. Performance tuning strips bloat and tightens code until pages snap open fast. Migration work shifts older platforms over while keeping search rankings steady.
International setups add currency switchers and local payment options without breaking the main flow. API connections bridge whatever backend systems a company already runs. Accessibility fixes make sure the store works for everyone, not just the usual crowd.
Key Highlights:
- Bespoke theme builds from scratch
- Multi-currency and regional support
- Accessibility improvements
- Middleware and payment integrations
Services:
- Full custom Shopify development
- Theme creation and optimization
- Ongoing feature additions
Contact Information:
- Website: paramountdigital.co.uk
- Phone: 01744 747474
- Email: marketing@paramountdigital.co.uk
- Address: Unit 2 Millbrook Business Park, Mill Lane, Rainford, St Helens, Merseyside, WA11 8LZ
- LinkedIn: www.linkedin.com/company/paramount-digital-ltd
- Facebook: www.facebook.com/ParamountDigital
- Twitter: x.com/pdigitalltd
- Instagram: www.instagram.com/paramountdigital
Conclusion
At the end of the day, the “best” Shopify development agency isn’t the one with the flashiest case studies or the loudest promises. It’s the one that actually gets what you’re trying to build, doesn’t disappear the moment the site goes live, and charges you fairly for work that keeps paying off months later. Some shops need a full custom rebuild with headless wizardry and wholesale portals, others just want someone reliable to stop the theme from breaking every time Shopify pushes an update. Both are valid, and the right partner knows the difference without making you feel stupid for asking.
Take your time, talk to a few, look at real stores they’ve shipped (not just the hero screenshots), and trust your gut when something feels off. A good agency will feel more like an extension of your own hustle than another vendor sending invoices. Find that fit and the rest—growth, fewer headaches, actually sleeping at night—tends to sort itself out. Happy building.
