For Marketing & Digital Agencies
Expand your agency's capabilities without the hiring overhead. We partner with marketing agencies to engineer enterprise-grade Next.js web platforms, custom SaaS, and mobile apps, elevating your competitive value to top-tier clients.
The growth ceiling
Winning a major pitch is only half the battle. Delivering a complex technical build without a dedicated engineering team often leads to compromised quality and shrinking margins.
What it costs you
You lose massive SaaS and headless e-commerce budgets because the infrastructure goes beyond your internal team's focus.
What it costs you
Your creative team crafts an amazing experience, but inexperienced freelancers break the design and deliver slow, clunky websites.
What it costs you
Scaling up for a big campaign hurts profitability if you carry that payroll when the project ends.
The ONXCODE partnership
We seamlessly integrate with your agency. You manage the vision and the client, while we architect the backend and deliver a flawless, high-performance product.
01Seamless collaboration
Whatever your designers build in Figma, we execute pixel-perfect in code. We never compromise on design fidelity, accessibility standards, or smooth animations.
02White-label B2B
We price agency work per project in fixed milestones, or hourly through dedicated engineers, so you can add complex tech services to your portfolio with excellent margins. We sign strict NDAs to protect your client relationships entirely.
The difference
| Today | With ONXCODE | |
|---|---|---|
| Big tech briefs | Turned down, or passed to another agency | Pitched and delivered under your brand |
| Design quality | Lost in the hand-off to freelancers | Built pixel-perfect from your Figma |
| Capacity | Full-time hires for seasonal peaks | Engineers added for the project, by the hour |
| Confidentiality | Your client might meet a third party | NDA from day one; your client only sees your agency |
| After launch | No one owns hosting and fixes | We host, monitor and maintain it under your name |
Big tech briefs
Today: Turned down, or passed to another agency
With ONXCODE: Pitched and delivered under your brand
Design quality
Today: Lost in the hand-off to freelancers
With ONXCODE: Built pixel-perfect from your Figma
Capacity
Today: Full-time hires for seasonal peaks
With ONXCODE: Engineers added for the project, by the hour
Confidentiality
Today: Your client might meet a third party
With ONXCODE: NDA from day one; your client only sees your agency
After launch
Today: No one owns hosting and fixes
With ONXCODE: We host, monitor and maintain it under your name
Verified by Google
Unedited Google PageSpeed Insights reports for our own website, on mobile and desktop, and for a live client landing page we built. Every number is exactly what the tool reported.
Our websitePageSpeed Insights · Mobile · Oct 3, 2026Run the test yourself(opens in a new tab)
Why start with us
We're at the start, and that works in your favour: you deal with the people who build your system, you get their full attention, and you have a say in what comes next.
We won't show you a wall of logos. We'd rather show you how we work: the engineer who designs your system is the one you talk to, every milestone is something you can open and try, and the code and data are yours. Judge us by the first milestone.
No account managers or tickets. You message the engineer who is building your system.
Each milestone is a working version you can open and test yourself, not a slide deck.
The code, the data and the accounts are in your name, so you're never locked in with us.
What our first clients ask for shapes what we build next, and they get it first.
The ONXCODE Arsenal
Put the full engineering power of ONXCODE to work for your clients, entirely under your brand.
Fast, scalable systems built with Next.js to turn your clients' ideas into real cloud products and custom CRMs.
Custom Shopify storefronts for brands that demand sub-second load times and limitless customisation.
Native-feeling, highly stable iOS and Android apps that keep your clients' brands in their customers' pockets.
Differentiate your agency with AI assistants for WhatsApp and n8n workflows that automate your clients' operations.
We take your designers' brilliance and translate it into razor-sharp, pixel-perfect interactive interfaces.
Fast, secure, and bloat-free WordPress sites tailored for large businesses with heavy content demands.
Reliable cloud infrastructure built to handle the massive traffic spikes from your major marketing campaigns.
Add specialist engineers to your team temporarily to power through critical projects and peak seasons.
The Partnership Process
We review the brief and designs together to establish a solid technical foundation under an NDA.
We provide a precise timeline and B2B pricing so you can pitch to your client with absolute confidence.
Regular updates and staging links keep your team engaged to monitor progress seamlessly.
We deploy the project with top performance scores and remain in the background for ongoing technical support.
FAQ
No. We work under NDA and under your brand, and talk to your client only through you, unless you'd rather we join a call as part of your team.
Per project, in fixed milestones scoped around your client's budget, or by the hour through dedicated engineers when you need extra hands. Either way, you know your cost before you quote your client.
Yes. We work in your project board, chat and Figma files, follow your review cycle, and send progress you can show your client.
Yes. We review what exists, align with your process and continue from where it is.
Your agency. Once the project is paid in full, the source code, designs and accounts are yours to hand to your client. Everything is documented so any competent team can continue the work.
Yes. We can host, monitor and maintain your clients' sites under your agency's name.
Your next step
Don't let a lack of engineering resources limit your growth. Let's discuss how ONXCODE can power your next major project.
Or call us +20 111 769 8650What happens next
Free consultation, no obligation.
Leave your details and our lead engineer will reach out to explore how we can support your agency's goals.
