Custom Web Applications

A scoped application, released in clear stages.

Discovery, product flows, interface design, application development, integrations, testing, deployment and support planning.

  • Requirements are testable
  • Release risk is phased
  • Repository and deployment ownership are explicit
Starting at From $4,600 in USD. Final scope is confirmed before payment.
A product team reviewing a responsive web application across multiple screens
Starting scopeFrom $4,600
Phased after discovery

Infrastructure providers, registries, programmes and media connected to our work

Amazon Web Services
Itana
NiRA
Tech Cabal
Tech Nation
British Business
Climate Neutral Data Center
Raenest Business
UK Home Office
THE SERVICE

Designed around the decision your customer must make.

Custom work starts with paid discovery when the requirements are not yet stable. The build proposal identifies the stack, environments, integrations, authentication, security responsibilities, acceptance criteria and post-launch support.

Best for
Portals, booking systems, customer accounts and operational tools that cannot be served by a standard website.
Primary deliverable
A scoped and tested application release with agreed repositories, environments and operational handover.
Delivery evidence
Architecture and acceptance brief
Delivery evidence
Customer-accessible source repository
Delivery evidence
Separate staging and live environments
Delivery evidence
Release, rollback and handover checklist
WHAT YOU RECEIVE

Useful deliverables, not decorative filler.

The final list is adapted to your signed scope, while these are the foundations of this service.

01

Discovery and requirements

Defined with you before production begins.

02

Architecture and data flows

Reviewed against the agreed customer journey and project scope.

03

Interface design

Reviewed against the agreed customer journey and project scope.

04

Authentication and integrations

Reviewed against the agreed customer journey and project scope.

05

Test and release plan

Reviewed against the agreed customer journey and project scope.

06

Repository, deployment and handover terms

Reviewed against the agreed customer journey and project scope.

HOW IT WORKS

A reviewed path from brief to delivery.

You see and approve the work at the points where decisions still matter.

01

Run discovery and define acceptance criteria

We agree the problem, evidence and success criteria.

02

Design the product flows and technical plan

You review the direction before production expands.

03

Deliver in reviewed, testable release stages

We test the agreed scope and complete the handover.

COMMERCIAL CLARITY

Know what you are buying before the build starts.

Starting at From $4,600. Typical delivery: Phased after discovery.

Request a scoped proposal

Payment milestones

Your written proposal shows the booking, approval and launch payments before work starts.

Scope and revisions

Included pages, features, content responsibilities and review rounds are documented.

Ownership and access

Repository, website, domain, account and third-party licence terms are made explicit.

Support and renewals

Post-launch cover and recurring hosting, domain, email or software costs are identified.

FAQ

Questions before you commit.

Use the consultation to test the scope, commercial terms and technical fit.

What is included in Custom Applications?

A scoped and tested application release with agreed repositories, environments and operational handover. The final proposal lists the exact pages, features, integrations and customer-supplied content included in your project.

What happens before I pay?

We hold a consultation, confirm the problem and prepare a proposal with scope, timeline, milestones, exclusions and recurring costs. You can review it before committing.

How are changes handled?

The proposal states the included review rounds and approval points. Changes outside the agreed scope are estimated separately rather than quietly added to the final invoice.

Who owns the finished work?

Ownership and access are written into the proposal. Customer-owned content, domains and approved project deliverables are handed over; third-party licences remain governed by their publishers.

What support is available after launch?

Every project has a defined launch-correction window. Ongoing maintenance, content changes, hosting and application support can be added through a separate care or support plan.

Start with a clearer website decision.

Book a free consultation for custom applications. We will confirm fit, next steps and the information needed for an accurate proposal.

Custom Applications | OneNet Servers Web Design