For UK Digital, Marketing & Creative Agencies

The white-label dev team behind agencies that never turn down a project.

Custom portals, booking systems, and business tools — scoped, built, and delivered under your brand. Your client never hears our name unless you want them to.

Built for agencies that resell development, not do it in-house

SEO Agencies PPC Agencies Marketing Agencies Creative Agencies Branding Agencies Digital Agencies

Sound familiar?

These are the exact conversations that land on our desk from agency owners.

A client asks for something outside your service list

A portal, a booking system, an internal tool. You could refer it out — but then it's not your relationship anymore, and it's not your revenue.

You don't have a developer you can vouch for

Freelance platforms are a gamble. You need someone who delivers on time, communicates like part of your team, and never contacts your client directly.

Scoping software feels like a black box

Without an engineer in-house, you're guessing at cost and timeline — and guessing wrong makes you look bad in front of the client.

The work you can say yes to now

Client portals, booking systems, internal tools, marketplaces, property management systems, support ticket systems — built under your brand, delivered on your timeline.

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Why agencies use us as their delivery partner

Fully white-label, always

Your client only ever hears from you. We never contact them directly, never put our name on the invoice, and you can credit us or not — your call.

Direct access to the person building it

No account managers relaying messages. You talk straight to the engineer doing the work and get straight answers back.

Fixed scope, fixed price, no surprises

You get a clear quote and timeline before we start — so you can quote your client with confidence instead of a guess.

4+

Years building production software

20+

Projects delivered

6

Public case studies

Proof we can build it

Six case studies. Real platforms, real users, real problems solved under an agency's brand. Three below — see all six in our portfolio.

How we work with agencies

Simple to start. No long onboarding. No layers of account managers.

01

Bring us the brief

Send over what your client needs, even if it's rough. Book a free 30-minute call and we'll turn it into a clear technical scope — no charge, no obligation.

02

We scope it together

A fixed-price quote and timeline you can count on. No fluff, no vague estimates.

03

We build, you stay in control

We work in your tools, on your timeline, and loop you in at every milestone — no surprises, no scope creep.

04

We launch and hand off cleanly

Documented, maintainable, and ready for the next project or ongoing support.

How we fit into your agency

We plug into how you already run projects — you don't change your process to fit us.

Your tools, your workflow

We work in whatever you already use for project tracking and communication — Slack, Trello, Asana, email. No new system to learn.

Updates on your schedule

Weekly check-ins, milestone demos, or a quick async update — you set the reporting cadence that fits how you run client work.

The same team, every project

Once we know how your agency operates, every future build starts faster — no re-explaining your process to a new freelancer each time.

Who's behind the build.

Webstaller is led by Sharjeel Nadeem, who's spent 4+ years building production software — booking platforms, marketplaces, multi-tenant SaaS. The systems where real users, real payments, and real data all have to hold up at once. Every project is scoped, overseen, and delivered under his direct accountability — backed by the engineers doing the build.

We work directly with agency owners, not through layers of account managers. When you need a technical answer, you get it straight and fast — or we're on the call with you.

We plug in as an extension of your team: your tools, your timeline, your way of working. You stay in control. We're the team behind you — your client never has to know we exist.

Sharjeel Nadeem — Founder & Lead Developer

Sharjeel Nadeem

Founder & Lead Developer

Connect on LinkedIn

What agency owners say

“I recommend Sharjeel who is very professional and who helped us at the very beginning of our project. He helped us set up the first brick. Sharjeel is a great guy.”

Mitsualti Pidou · via LinkedIn →

Have a Client Project That Needs Custom Software?

Tell us what your client needs. We'll scope it, quote it, and build it under your brand — so you can say yes to the project instead of referring it out.

Send a Message

No pitch. No sales call with your client. Just an honest scope and quote.

Prefer to talk it through live? Book a 30-Min Discovery Call →

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