indigo42. home

For agencies

White-label web & app development, under your brand.

Senior design and engineering that slots into your team. You keep the client relationship, we build it properly, and nobody needs to know we were there.

When agencies call us

Overflow capacity

You’ve won more work than your team can build. We take a project, or part of one, so you don’t have to turn it down.

Skills you don’t have in-house

Mobile apps, complex web apps, headless CMS builds, performance work. Offer them to clients without hiring for them.

A technical lead for the project

Someone senior to own the architecture, hosting and delivery, and to be the technical voice in client meetings when you want one.

The white-label promise

Invisible to your client. Obvious in the work.

Your brand, your client

We never contact your client unless you ask us to, and we show up under your name when we do.

NDA as standard

Happy to sign yours before you share a brief. Your client work stays off our portfolio unless you say otherwise.

Your code, your repos

Work happens in your repositories and accounts. You and your client own everything we build.

Your tools, your process

Slack, Jira, Linear, Figma, whatever you use. We fit your workflow rather than adding another one.

Senior, not outsourced

You work directly with Joe, a lead engineer with over a decade of experience. Nothing gets passed down the line.

Clean handover

Documented, tested code your team can run, or ongoing support after launch if you’d rather hand it off.

How it works

01

Brief

Send the brief or designs under NDA. We’ll ask the questions your client will ask later.

02

Quote

A fixed quote or a day-rate estimate with a clear scope and timeline, usually within a few working days.

03

Build

Regular releases to a staging site you can share with your client, with no big reveal at the end.

04

Launch & beyond

We launch under your brand, then hand over or stay on for support. Your call.

Ways to work together

Pick whatever suits the project and your margins.

Fixed-price project

A defined scope for a set price. Best when the designs and requirements are settled.

Day rate

Flexible capacity booked by the day or week. Best for evolving projects or joining your team mid-build.

Monthly retainer

A reserved block of time each month for ongoing client work, support and improvements.

What we build with

The stack behind platforms serving millions of visits a month and apps in both stores. We can also pick up an existing codebase in your stack.

Next.js & ReactTypeScriptReact Native & ExpoiOS & AndroidNode APIsSanity & PrismicE-commerceCore Web Vitals & SEOAWS & VercelCI/CD & testingMonitoring

Common questions

Will you ever talk to our client?+

Only if you want us to. Most agencies keep us behind the scenes. Some bring us into technical calls as part of their team, under their brand.

Do you sign NDAs?+

Yes, as standard. Send yours over before you share the brief.

Who owns the code?+

You and your client do. We work in your repositories and hosting accounts, so there is nothing to transfer at the end.

Can you build from our designs?+

Yes. Most white-label work starts from the agency’s Figma files. We can also take on design, or fill gaps in a partial design system.

What technology do you use?+

Mostly Next.js, React and TypeScript for the web, React Native with Expo for mobile apps, and headless CMSs like Sanity and Prismic. We can also work on an existing codebase in your stack.

How quickly can you start?+

It depends on what’s already booked. Tell us your dates when you get in touch and we’ll give you a straight answer.

Tell us what you’re building.

One email. We’ll reply within a working day.