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Stacknyu

Development delivery for agencies · Stacknyu

Your client relationship. A development team behind the build.

For agencies commissioning custom software on behalf of a client. Bring the brief, designs or proposed scope. We can discuss the engineering work, delivery responsibilities and how our team fits behind your brand.

Discuss a client project See our work
Selected project
Gymrack gym management platform interface
We operate a product of our own, too
  • Custom development, not a software reseller
  • Agree scope and responsibilities before committing
  • Bring a brief, designs or an existing codebase

The work

See the engineering work behind the partnership.

These public projects show our delivery capabilities. They are not presented as white-label engagements or evidence of an agency relationship.

Gymrack gym management platform interface

Gymrack – Gym Management and Progress Platform

We operate a product of our own, too

Gymrack is Stacknyu’s own platform, not a client project. Its admin and member apps connect attendance, memberships, billing, and progress.

200+

gyms using Gymrack, by the product's own count

View case study
Tour Hoster interface

Tour Hoster

One travel product across web and mobile

A marketplace connecting travellers and hosts through bookings, payments, packages, and shared operational data.

Web, iOS and Android

Product surfaces

View case study
StackHR – A Fully Customisable HR Management System for Complex Organisations interface

StackHR – A Fully Customisable HR Management System for Complex Organisations

Payroll that follows the organisation

Branch-specific timings, holidays, overtime, and pay structures in one configurable HR platform.

1,000+

employees managed on the platform across branches and categories

View case study

Your next build

Where do you need a delivery partner?

Start with a specific client engagement rather than a generic staffing request.

Scope a client build

Review the users, workflows, integrations and assumptions before you commit to a client delivery plan.

Discuss this project

Deliver a web or SaaS platform

Commission the application, backend and operational workflows as an agreed development scope.

Discuss this project

Connect mobile and backend delivery

Scope mobile experiences alongside the services, permissions and data they depend on.

Discuss this project

How we start

Agree the working relationship before the build.

Discuss a client project

  1. Share the engagement

    Describe the client problem, the stage of the sale, existing materials and your target delivery window. Avoid confidential data in the initial form.

  2. Define ownership and scope

    Discuss client communication, review responsibilities, confidentiality, source-code ownership and acceptance criteria before agreeing terms.

  3. Agree the delivery plan

    Separate assumptions from confirmed requirements, establish milestones and decide what the handover must include.

Let's make it real

Tell us about the client project.

Share your agency name, client use case, proposal stage, expected deliverables and who approves the project. Mention the intended delivery window and investment range if known. Do not send credentials or confidential client records.

Fields marked * are required.

Project enquiry

Include your currency if you have a range in mind.

We use these details to respond to your enquiry. Please do not include passwords or confidential customer records.

A fit for agencies commissioning real delivery.

Good fit

  • You have a client project or a defined proposal to scope.
  • You can involve the person who approves the technical scope and delivery budget.
  • You want an engineering partner for a custom build, not a ready-made product.

Not a fit

  • You only need a price to compare, with no project context or route to a client decision.
  • You need a guaranteed final quote before requirements and responsibilities are understood.
  • An existing product already meets the client need without custom development.

Before you enquire

Questions & answers

Can you work behind our agency brand?

That is the purpose of this engagement. We agree the delivery arrangement, client-facing responsibilities and communication rules before work starts. Do not assume a particular confidentiality or non-solicitation term is in place until it is agreed.

Can we approach you before the client has signed?

Yes. Tell us that the project is at proposal stage and share what is known. An early estimate will need assumptions; a committed delivery scope depends on agreed requirements and terms.

Do you provide a fixed quote in one business day?

We do not promise that for every project. A response or preliminary estimate is different from a committed quote. Requirements, integrations and any existing code may need review before we can agree scope and timing.

Who handles source code, handover and support?

Ownership, repository access, documentation, deployment and any ongoing support are agreed in the engagement. Include your client handover obligations in the brief so they can be scoped explicitly.