Umbraco’s a flexible CMS, sure. But the tool’s only half the equation.The rest comes down to the team shaping it - how they build, how they communicate, and how things hold up once it all goes live. The agencies below aren’t just ticking technical boxes. They’re delivering work that fits into real systems, under real constraints. Different countries, different workflows - but each has Umbraco wired into how they operate.

1. OSKI Solution

OSKI Solution builds and maintains custom software across Europe, with a particular focus on CMS platforms like Umbraco. Our team has worked on various web systems where clean structure, stable delivery, and technical flexibility matter. We don’t treat Umbraco like a rigid template but as a tool to shape around real business logic and editorial needs. We’ve delivered portals, content platforms, and admin panels using it - and we still support many of them today.

Most of the work we do falls somewhere between front-end precision and long-term backend maintainability. We’re based in Estonia but take on projects across the EU. Our Umbraco developers work alongside DevOps, QA, and UI/UX specialists so we’re not handing off bits in isolation. It’s a steady process that blends in with how clients actually operate. No drama, no overreach - just useful tools with clear handoffs.

Key Highlights:

• Works across EU markets using Umbraco as core CMS
• Handles both greenfield builds and ongoing support
• Integrates into existing systems - not just a standalone site
• Frontend and backend always aligned around editing needs
• Projects evolve long-term rather than launch-and-leave

Services:

• Umbraco CMS development
• Multilingual setup and localization
• Third-party API and system integration
• Frontend using Vue, React, Angular

Contact Information:

• Website: oski.site
• E-mail: contact@oski.site
• LinkedIn: www.linkedin.com/company/oski-solutions
• Address: Estonia, Tallinn, Kaupmehe tn 7-120, 10114
• Phone: +48571282759

2. ByteAnt

ByteAnt works in the space between fully custom and fully prebuilt. Umbraco gets used as a flexible core, and the rest depends on how fast things need to move. Some projects lean on ByteAnt’s own internal tools - ByteEditor for visual content work, ByteArbor for marketplaces - to speed things up without skipping quality.

The team’s based in Estonia, but projects run across the continent. Reusability is a big part of the strategy. Not everything needs to be handcrafted from scratch, especially when timelines are tight. That mindset keeps launches smooth and avoids reinventing the wheel.

Key Highlights:

• Umbraco used as base for marketplaces and content tools
• ByteEditor offers visual editing inside Umbraco
• Mix of custom builds and modular setups
• Focus on service-heavy and multi-vendor use cases

Services:

• Custom websites on Umbraco
• ByteEditor WYSIWYG integration
• ByteArbor marketplace setup
• Content tools built into CMS

Contact Information:

• Website: www.byteant.com
• E-mail: hello@byteant.com
• Facebook: www.facebook.com/byteant.company
• LinkedIn: www.linkedin.com/company/byteant
• Instagram: www.instagram.com/byteant.company
• Address: Pärnu mnt 139e/2-8, 11317 Tallinn, Estonia, EEST

3. UKAD

UKAD handles Umbraco work as part of a broader delivery setup - some projects are full-stack builds, others are team extensions. Certified developers join internal teams, or take full ownership when needed. Geography spans the UK, Scandinavia, and beyond.

Work usually plugs into wider systems - ecommerce tools, CRMs, internal dashboards. Umbraco doesn’t live in a bubble here; it’s part of something larger. Builds follow a step-by-step delivery flow, from planning through launch and post-support. No black boxes.

Key Highlights:

• Certified Umbraco partner
• Staff augmentation and full builds both available
• Projects often connect with ecommerce, CRMs, and PIMs
• Always on current Umbraco versions and cloud tooling

Services:

• Umbraco CMS development
• Staff augmentation with certified Umbraco professionals
• Migration from older CMS versions
• Ecommerce and PIM setup using Umbraco
• Headless CMS solutions with Heartcore
• Maintenance and platform updates

Contact Information:

• Website: ukad-group.com
• E-mail: hi@ukad-group.com
• Facebook: www.facebook.com/ukadgroup
• Twitter: x.com/UKAD_Group
• LinkedIn: www.linkedin.com/company/ukad
• Instagram: www.instagram.com/ukad_group
• Address: Ul. Jana Zamoyskiego 81-3, Kraków, Poland

4. SaM Solutions

SaM Solutions works with Umbraco as part of its broader CMS and enterprise portal development. Based in Europe and the US, the team handles full-stack work across industries like healthcare, telecom, logistics, and financial services. Their approach is built on .NET and includes both classic Umbraco builds and headless CMS projects through Heartcore.

They also deal with platform upgrades, system integration, and back office customization. The team builds out custom APIs, ties in CRM or ERP platforms, and provides UX and content editing improvements tailored to how the client’s team actually works. It’s less about making one big splash and more about integrating Umbraco into existing ecosystems in a way that doesn’t break daily operations.

Key Highlights:

• Works with Umbraco CMS, Heartcore, and cloud-hosted versions
• .NET-focused team with experience in complex enterprise builds
• Runs both classic website builds and headless CMS projects
• Offers long-term support and platform training for internal teams
• Offices across EU and North America

Services:

• Custom Umbraco website and portal development
• CMS migration and upgrade support
• CRM, ERP, and analytics integration
• UX/UI and content editor customization
• API and middleware development

Contact Information:

• Website: sam-solutions.com
• E-mail: vertrieb@sam-solutions.de
• Facebook: www.facebook.com/SaMSolutionsCOM
• Twitter: x.com/SaMSolutionsCom
• LinkedIn: www.linkedin.com/company/sam-solutions
• Address: Roemerstrasse 32, 82205 Gilching, Germany
• Phone: +49-8105-399-050

5. Intuitiv Digital

Intuitiv Digital runs a tight setup - design, build, and hosting all handled in one place. The team’s based in the UK, not far from the Buckinghamshire-Oxfordshire border, and the hosting infrastructure sits on servers managed directly out of London. For anything Umbraco-related, delivery stays in-house, right down to the support layer.

Certified developers handle the builds. The process kicks off with content structure and UX, then moves through development and testing into live support. There’s no outsourcing, no middle layers. That means full control over versioning, deployment, and site performance from start to finish.

Key Highlights:

• Certified Umbraco Partner
• All builds and hosting handled internally
• London-based servers, managed without third parties
• Office located near the Bucks-Oxfordshire border
• Team trained specifically on Umbraco tools and workflows

Services:

• Umbraco website design and development
• UX and content planning
• Custom CMS builds with intuitive editing
• Umbraco hosting and infrastructure
• Copywriting and SEO (in-house or via partners)

Contact Information:

• Website: www.intuitiv.net
• E-mail: hello@intuitiv.net
• Facebook: www.facebook.com/intuitiv
• Twitter: x.com/intuitivltd
• LinkedIn: www.linkedin.com/company/intuitiv
• Address: 2 Bridge Road, Ickford, nr Thame, Buckinghamshire, HP18 9HX
• Phone: 01844 888 777

6. Smart Source

Smart Source handles Umbraco for bigger setups - government platforms, large orgs, anything where scale and integration matter. Most projects lean heavily on secure access and mobile compatibility. Azure B2C is often part of the mix, especially when centralized login is a must.

It’s not about flashy features - just solid backend structures that last. Everything’s tied into a shared content base that’s easy to manage over time. Security, mobile readiness, and long-term support are baked in from the start. Office’s in Malmö, but work stretches well beyond Sweden.

Key Highlights:

• Focus on mid-sized and public sector clients
• Strong use of Umbraco + Azure B2C for secure logins
• Mobile-first CMS builds with centralized control
• Built to last - scalable and maintainable architecture

Services:

• Custom Umbraco builds and deployments
• Mobile app integration
• Secure access setup via Azure B2C
• UX and design for multi-user platforms
• API and third-party system connections

Contact Information:

• Website: www.smartsource.eu
• E-mail: info@smartsource.eu
• Address: Kungsgatan 6, 211 49 Malmö, Sweden
• Phone: +46 (0)40 644 44 70

7. iFour Technolab

iFour Technolab builds Umbraco projects as part of a broader .NET delivery model. Projects tend to be content-heavy, often coming from industries like logistics, healthcare, or finance. Sites and apps are set up with a clear split between dev and editorial layers, so teams don’t step on each other’s toes.

Development includes custom themes, plugins, and migrations from older platforms. Simple sites, enterprise portals - either can fit depending on the internal needs. Based in India, but delivery spans multiple time zones. Support continues after launch, with updates and patching baked into the process.

Key Highlights:

• .NET-first team with Umbraco specialization
• Builds range from lean sites to full enterprise platforms
• Combines reusable components with custom features
• Experience across regulated industries

Services:

• Umbraco CMS development
• Theme and plugin creation
• Migration from legacy systems
• Content editing configuration and onboarding

Contact Information:

• Website: www.ifourtechnolab.com
• E-mail: info@ifourtechnolab.com
• Facebook: www.facebook.com/ifourtechnolab
• Twitter: x.com/consultifour
• LinkedIn: www.linkedin.com/company/ifourtechnolab
• Instagram: www.instagram.com/ifourtechnolab
• Address: Achterweg 44, 41 81 AE, Waardenburg, Netherlands
• Phone: +1 410 892 1119

8. Kayo Digital

Kayo Digital builds Umbraco sites with an eye on real-world fit. The team’s based in Kent, and most of the delivery happens in-house - design, development, system integration, all under one roof. Projects usually start with a practical planning phase - wireframes, workflows - before moving into build, test, and deployment.

A lot of the work goes into making Umbraco play nice with other systems - CRMs, ERPs, whatever’s already in use. Content workflows get tailored for editors: multilingual setup, scheduled updates, multi-platform pushes. Once the site’s live, maintenance and updates carry on quietly in the background, keeping things secure and smooth without adding friction.

Key Highlights:

• Umbraco projects designed around real business systems
• In-house build and hosting from Kent
• Built-in multilingual support and editorial flexibility
• Focus on integrations and clean rollouts

Services:

• Custom Umbraco development
• CRM and ERP integration
• Responsive builds and performance tweaks
• SEO-ready infrastructure
• Ongoing support and upgrade handling

Contact Information:

• Website: kayo.digital
• E-mail: hello@kayo.digital
• Facebook: www.facebook.com/wearekayodigital
• Twitter: x.com/kayo_digital
• LinkedIn: www.linkedin.com/company/kayo-digital
• Instagram: www.instagram.com/kayo.digital
• Address: The Innovation Building, Kent Science Park, Sittingbourne, Kent. ME9 8HL
• Phone: 01795 255 600

9. Citytech

Citytech works with Umbraco builds that need to scale - projects where stability, integrations, and uptime matter more than fancy design trends. A lot of the delivery focuses on setting up custom APIs, wiring in external tools, and moving clients off legacy CMS platforms.

Most projects follow a clear rhythm: back-end structure, performance tuning, and baked-in security. That includes GDPR compliance, access control, and data protection. Testing and QA aren’t bolted on - they’re part of how the site gets built from day one.

Key Highlights:

• Custom API and third-party integration work
• Migration support from older CMS setups
• Built-in security and GDPR alignment
• Works across industries - finance, retail, services

Services:

• Umbraco CMS development
• Integration with payment and business tools
• Security updates and performance checks
• Legacy migration and CMS upgrades

Contact Information:

• Website: www.citytechcorp.com
• Facebook: www.facebook.com/CitytechSoftware
• Twitter: x.com/citytechsoft
• LinkedIn: www.linkedin.com/company/citytech-software-private-limited
• Instagram: www.instagram.com/citytechsoftware
• Address: 38B Pratapaditya Road, Kolkata, 700 026, India
• Phone: +171 67011094

10. Fresh Egg

Fresh Egg approaches Umbraco with options - classic CMS builds or headless, depending on what the setup calls for. As a Platinum Partner, the team handles everything from initial scoping through to performance tracking after launch. Most projects lean into content flexibility and multi-channel publishing.

The technical team uses Umbraco’s open-source stack to deliver projects that are extensible and SEO-aware. Work includes scalable infrastructure, multilingual setups, and customized editing experiences. The team also provides long-term support, including site monitoring, page performance tuning, and structured content updates after launch.

Key Highlights:

• Umbraco Platinum Partner with full-stack delivery
• Flexible CMS builds - headless or standard
• Focus on content teams and clean UX
• Technical delivery backed by SEO and performance tools

Services:

• Custom Umbraco development
• Headless CMS for multi-channel delivery
• SEO-optimized builds
• Performance monitoring and tuning
• Multilingual and multi-site setup

Contact Information:

• Website: www.freshegg.co.uk
• Facebook: www.facebook.com/FreshEggUK
• Twitter: x.com/freshegg
• LinkedIn: www.linkedin.com/company/fresh-egg
• Instagram: www.instagram.com/freshegguk
• Address: 1-13 Buckingham Road, Worthing, West Sussex, BN11 1TH, United Kingdom
• Phone: 01903 337 580

11. GRM Digital

GRM Digital fits Umbraco into a bigger platform strategy - frontend, backend, and support all move as one piece. Delivery usually happens alongside internal teams, especially for content and SEO. Umbraco gets used here as the backbone for multisite setups, where control needs to stay centralized but teams in different regions still need room to work.

Support’s not just a checkbox at the end - it’s built into the cycle. That includes system training and CMS selection consulting, especially for teams switching over from older tools. Offices in London, Leeds, Amsterdam, and Sarajevo help keep projects close to where the work is happening.

Key Highlights:

• Handles complex Umbraco setups for multi-region teams
• On-the-ground presence in the UK, Netherlands, Bosnia, and Pakistan
• Combines design, dev, and onboarding in a single process
• Works with clients in healthcare, education, and manufacturing

Services:

• Umbraco web development
• CMS implementation and customization
• Multisite management and template setup
• Migrations and upgrade support
• Editor training and documentation

Contact Information:

• Website: www.grm.digital
• E-mail: hello@grm.digital
• Facebook: www.facebook.com/GRMDigitalAgency
• Twitter: x.com/grmdigital_
• LinkedIn: www.linkedin.com/company/grm-digital
• Address: Herengracht 449A, 1017 BR Amsterdam
• Phone: +44 (0) 203 397 4155

12. Concetto Labs

Concetto Labs delivers Umbraco builds that make content easier to manage - even for non-technical teams. Most projects focus on usability: clean templates, mobile-ready frontends, and integrations that actually make workflows smoother. Some clients come in with outdated sites that need a fresh build. Others need Umbraco extended through APIs or modular plugins.

Development runs out of India, with delivery and support spanning multiple time zones. Whether it’s a plugin install or a full CMS migration, the aim stays the same - less friction for editors, fewer roadblocks for growth.

Key Highlights:

• Builds Umbraco platforms for web and mobile
• Covers migrations, upgrades, and full rollouts
• Templates designed for non-technical editors
• Provides global support during and after delivery

Services:

• Umbraco CMS development
• Mobile-first frontend builds
• Plugin and template customization
• Cloud-based CMS setup
• API integration and system extensions
• Post-launch support and upgrade services

Contact Information:

• Website: www.concettolabs.com
• E-mail: info@concettolabs.com
• Facebook: www.facebook.com/concettolabs
• Twitter: x.com/concettolabs
• LinkedIn: www.linkedin.com/company/concetto-labs-private-limited
• Address: Lille Hunstad 4A, 8019 Bodø
• Phone: +1 (903) 200 8801

13. UmbraCare

UmbraCare builds long-term Umbraco setups - modular, stable, and ready for scale. Most of the work starts with component libraries, layout systems, and clean architecture that can grow over time without adding tech debt. No shortcuts. No handoffs to juniors. Just solid delivery from senior Umbraco specialists.

Everything’s geared toward maintainability: structured APIs, DevOps support, automated testing, even SEO and access control. The end result is usually something that runs quietly in the background, with room to adapt without breaking things along the way.

Key Highlights:

• Focus on modular systems and long-term support
• Handles DevOps, CI/CD, and backend infrastructure
• Builds are performance-tested and SEO-ready

Services:

• Custom Umbraco CMS and portal development
• API integrations and external system connection
• Performance optimization and SEO setup
• QA, code audits, and automated testing
• CMS upgrades and post-launch support

Contact Information:

• Website: umbracare.net
• Facebook: www.facebook.com/umbraCare
• Twitter: x.com/umbracare
• LinkedIn: www.linkedin.com/company/umbracare
• Instagram: www.instagram.com/umbracare

14. Red Ant Solutions

Red Ant Solutions uses Umbraco as the content backbone for business websites that need to stay flexible without losing visual structure. Most builds follow a clear loop - set up the CMS, shape the layouts, tweak for usability. Projects often include editor training right out of the gate, so teams can manage things smoothly after launch.

Support doesn’t just stop at handoff. Monitoring, patching, and small SEO tweaks are part of the normal cycle. Umbraco installs are treated as live systems - updates get handled, security stays active, and new features are added when needed. There’s also work around custom packages and CMS add-ons for more tailored setups.

Key Highlights:

• Editor onboarding included in most builds
• Focus on layout flexibility and SEO structure
• Hosting, patching, and live monitoring offered in-house
• Custom features built through reusable packages

Services:

• Umbraco website development
• Editor training and ongoing support
• Template optimization for SEO and layout
• Custom CMS features and form modules
• Hosting with active patching and monitoring

Contact Information:

• Website: www.redantsolutions.com
• E-mail: enquiries@redantsolutions.com
• Facebook: www.facebook.com/RedAntSolutions
• Twitter: x.com/RedAntSolutions
• LinkedIn: www.linkedin.com/company/red-ant-solutions
• Instagram: www.instagram.com/redantsolutions
• Address: The Malt House, Bridge Street, Godalming, Surrey, GU7 1HP
• Phone: 01483 863338

15. Reading Room

Reading Room runs Umbraco projects with a layered setup - UX, backend, content, all moving in sync. It usually kicks off with discovery and planning sessions, where the CMS structure gets mapped to what the business actually needs. Builds are modular, version-ready, and designed for long-term flexibility.

Post-launch, teams usually stay involved through upgrades, governance, and content operations. Sites often include multilingual or multisite capability, with backend tools set up for clear tagging, workflows, and editorial review. Support extends across marketing and tech teams, with shared QA and roadmap planning baked in.

Key Highlights:

• Modular Umbraco builds designed for change
• Custom editor views tied to governance models
• Supports multi-site and multilingual needs
• Teams across the UK and Europe

Services:

• Umbraco website planning and discovery
• UI/UX and CMS editing experience design
• Full CMS build with modular backend
• Support for multilingual and multisite setups
• Version upgrades and platform migrations
• Hosting advice, CMS support, and QA testing

Contact Information:

• Website: www.readingroom.com
• Twitter: x.com/readingroom
• LinkedIn: www.linkedin.com/company/reading-room
• Address: Boavista, Praça de Mouzinho de Albuquerque 113 5º Andar, 4100-359, Porto, Portugal
• Phone: +44 (0)20 7173 2800

16. The Human Tech Agency

The Human Tech Agency works with Umbraco to build sites that hold up over time - fast, flexible, and easy to run. Projects start with layout planning and content alignment, then move into a development phase shaped around responsiveness and performance.

Once live, support continues through optimization, hosting, and version upgrades. Sites are built to scale - feature sets can grow without refactoring everything. Umbraco Cloud is part of the offer for clients who want managed infrastructure. When needed, the team also steps in with migrations or backend refinements.

Key Highlights:

• Combines UX and CMS structure in early phases
• Performance benchmarks guide delivery
• Upgrades and support handled through Umbraco Cloud
• Layouts stay clean across devices and screen sizes

Services:

• Custom Umbraco web development
• Content planning and performance tuning
• CMS version upgrades and optimization
• New feature rollout and UX adjustments

Contact Information:

• Website: www.thehumantech.agency
• LinkedIn: www.linkedin.com/company/thehumantechagency
• Instagram: www.instagram.com/thehumantechagency
• Address: 18 Albert Road, Bournemouth, BH1 1BZ

Conclusion

The European Umbraco scene isn’t short on technical skill  -  what really separates agencies is how they structure delivery, not just how clean the code is. Some lean into workshops and layered roadmaps, others focus on practical builds that get out of the way once handed over. And then there are those that stay close post-launch, helping with every update, patch, and platform tweak.

Most of the time, it comes down to fit. Not every team needs headless, not every rollout needs multilingual from day one. But what’s clear across the board is this: if the CMS is going to last, it needs to be built around real usage - content teams, stakeholders, editors, not just developers. The right agency doesn’t just tick off a feature list. It asks who’s actually going to use the thing - and builds for that.