Your Senior .NET Team Extension
We strengthen your team, not complicate it. Reliable Umbraco delivery for agencies who need technical predictability and senior expertise.
Finding Reliable Umbraco Partners Is Hard
You've been there: missed deadlines, inconsistent quality, communication gaps that put your client relationships at risk.
Unpredictable Delivery
Partners who promise the world but can't deliver on time. Your reputation on the line.
Inconsistent Quality
Quality varies wildly depending on who's assigned. No oversight, no accountability.
Timezone Friction
Offshore teams with 8-hour delays. Real-time collaboration becomes impossible.
Partnership, Not Outsourcing
We work as an extension of your team. Direct communication, senior expertise, and the reliability you need to manage clients with confidence.
True Partnership
We integrate with your workflow, tools, and processes. Your clients never know we exist.
Predictable Delivery
Clear timelines, honest communication about risks, and consistent quality. No surprises.
Quality Guaranteed
Every project supervised by senior developers. Warranty period included — we don't leave you hanging.
GMT Aligned
Based in Portugal, we work UK/EU hours. Real-time collaboration, same-day responses.
Flexible Ways to Work Together
Choose the model that fits your needs. All include direct access to senior developers.
Project Delivery
Full project ownership from requirements to launch. We handle the technical complexity.
- Fixed scope & timeline
- Regular progress updates
- Full documentation
- Post-launch support
Team Extension
Dedicated developers integrated into your team. Scale up or down as needed.
- Dedicated resources
- Your tools & processes
- Daily standups optional
- Flexible commitment
Retainer Hours
Pre-purchased hours for ongoing work. Maintenance, updates, and ad-hoc development.
- Priority response
- Rollover unused hours
- Monthly reporting
- Predictable costs
Trusted by Leading Agencies
We partner with agencies across UK, Ireland, Denmark, and Netherlands who need reliable Umbraco expertise.

Limbo
DenmarkDigital agency specialising in brand and web experiences.

Progress
IrelandFull-service creative agency with 25+ years experience.

Eighty Days
United KingdomHospitality marketing specialists with global reach.
“Double's team feels like an extension of our own. Their Umbraco expertise and reliability has been exceptional.”
London Quality. Nearshore Pricing.
We're not a 'software factory.' We're an experienced team in Lisbon with senior oversight on every project and 17+ years building enterprise .NET solutions.
Official Umbraco Partner
Certified developers, direct Umbraco HQ support, early access to new releases and migration tools.
White-Label Ready
We work behind the scenes. Your brand, your client relationship. We just deliver.
Long-Term Focus
We don't disappear after delivery. Ongoing support, maintenance, and evolution.
Projects Delivered for Partners
A selection of Umbraco projects we've delivered working with agency partners.

Danish Crown
Global corporate website for one of Europe's largest meat processing companies.

REN
Corporate platform for Portugal's national energy grid operator.

Radikale Venstre
Political party website for Danish Social Liberal Party.
Questions? We Answer Clearly
We work entirely behind the scenes. Your branding, your client relationship. We attend meetings as 'your team', use your tools, and all deliverables go through you. Your clients never know we exist.
We usually have capacity for 2-3 new projects per month. For team extension, we can typically start within 2-4 weeks depending on requirements. Let's talk about your timeline.
We adapt to your workflow. Slack, Teams, email, Jira — whatever works for you. We're in the same timezone as the UK year-round (both use GMT in winter, BST in summer), so real-time communication is easy.
Change happens. We handle it with transparency: clear impact assessment, updated timelines, and honest advice about trade-offs. No hidden costs, no surprises.
Our core expertise is Umbraco and .NET. We also do headless CMS implementations, API integrations, and Azure infrastructure. For projects outside our expertise, we'll tell you honestly.
All project deliveries include a support period. After that, we offer retainer hours for maintenance, updates, and evolution. Most of our agency partners have ongoing relationships with us.

Let's Talk About Your Needs
I'm Marco Teodoro, Managing Partner at Double. With 17+ years in .NET development and dozens of Umbraco projects delivered, I personally oversee every partnership we have.
When you work with us, you get quality guaranteed through senior supervision on every project. No account managers — direct communication with the people doing the work.
Let's have a conversation about your team's needs, your pipeline, and how we might work together. No pressure, just honest advice.
Ready to Talk?
Tell us about your agency and needs. We'll respond within 24 hours.