Turnkey Fixed-Scope Delivery • Contractual SLAs

Fixed-Budget Software Engineering with Guaranteed Milestone Delivery.

Eliminate budget overruns and timeline uncertainty with our fixed-price engineering delivery model. Governed strictly under the laws of England and Wales, we provide defined scopes of work, transparent milestone gates, and full code ownership upon delivery.

Milestone-Gated

Pay Upon Verified Delivery

Strict SLAs

Contractual Completion Dates

90-Day Warranty

Full Post-Launch Support

GOVERNANCE & RISK MITIGATION

Contractual Rigour & Milestone-Gated Delivery.

How our fixed-scope outsourcing framework shields your capital, guarantees code quality, and delivers turnkey software on schedule.

Defined User Stories & Boundary Specs

Exhaustive SOW & Acceptance Criteria

Exhaustive functional and non-functional specifications detailing user flows, API schemas, throughput requirements, and test harness criteria before contract execution.

  • Unambiguous acceptance criteria defined for every screen, endpoint, and worker.
  • Formal change control procedures mitigating scope creep without delaying delivery.
  • Clear boundary agreements for third-party service dependencies and external APIs.
Pay Only Upon Verified Code Delivery

Milestone-Gated Billing & Code Verification

Capital is deployed against verifiable technical milestones. Invoices are approved only after automated test suites pass and demonstration environments are reviewed.

  • Verification against automated unit, integration, and security test gates.
  • Staging environment preview deployments with isolated database snapshots.
  • Transparent sign-off documentation signed by designated technical stakeholders.
100% Code Ownership Under English Law

Complete IP Assignment & Clean Git Handover

Full, unencumbered transfer of all source code, design assets, Dockerfiles, Terraform scripts, and CI/CD pipelines under standard English law.

  • 100% intellectual property ownership transferred with zero recurring software royalties.
  • Comprehensive technical documentation, architecture runbooks, and API catalogs.
  • Complete administrative access credentials handed over securely via enterprise vaults.
Zero-Cost Functional Defect Remediation

90-Day Post-Launch Production Warranty

Contractual warranty coverage resolving any functional defects, performance regressions, or security issues identified post-cutover at zero additional cost.

  • Dedicated warranty response SLA for Sev-1, Sev-2, and Sev-3 defects.
  • Root cause analysis and automated regression test additions for any resolved bug.
  • Optional managed transition to internal developer squads or SLA-backed maintenance.
DELIVERY MILESTONE LIFECYCLE

Transparent Execution from SOW to Production Handover.

Stage 01Weeks 1–2

SOW & Architecture Sign-Off

Detailed system design, schema finalisation, and contractual acceptance sign-off.

Stage 02Milestone 1

Core Domain Logic & CI/CD

Infrastructure as Code setup, core database models, and authentication scaffolding.

Stage 03Milestone 2

Feature Build & Integrations

Full-stack feature delivery, third-party API wiring, and staging environment verification.

Stage 04Milestone 3

QA, Security & Load Testing

Automated regression testing, penetration testing, and peak concurrency stress testing.

Stage 05Final Release

Cutover, IP Transfer & Warranty

Production launch, complete IP and repository transfer, and 90-day warranty initiation.

London Fixed-Scope Delivery • Contractual SLAs

Ready to Lock in Your Fixed-Price Engineering Scope?

Submit your product specifications or architectural RFP to our London engineering directors. We conduct an initial feasibility review and deliver a fixed-fee milestone proposal within 5 business days.

Registered Office: Hayes, London, United Kingdom • 1-Day Response SLA under Mutual NDA