Site in active development — some sections are still being built. v0.8 · updated See roadmap
Software · IT consulting · Management consulting London, UK

Software that stays secure as it scales.

VigilantDefend Technologies designs and builds reliable software and helps businesses make sound technology and operational decisions — with security considered from the first line of code.

Start a conversation What we do

01Capabilities

Three disciplines,
one accountable team.

  1. 01

    Software development

    Custom business applications, web platforms, APIs and integrations — engineered for maintainability, performance and security, and supported after launch.

    • Web apps
    • Backend & APIs
    • Integrations
    • Automation
    • Maintenance
  2. 02

    IT consultancy

    Solution architecture, technical audits, security reviews of applications and infrastructure, cloud strategy and technology selection — independent advice you can act on.

    • Architecture
    • Security review
    • Cloud strategy
    • Tech due diligence
  3. 03

    Management consultancy

    Process design, digital transformation roadmaps, operating-model and vendor advice — connecting technology decisions to business outcomes.

    • Process design
    • Transformation
    • Vendor selection
    • Roadmaps

02Principles

Vigilance is
a habit, not a phase.

The way we work is designed to reduce risk at every step — so that what we ship today is still dependable a year from now.

Secure by design

Threat modelling, least-privilege access and dependency hygiene are part of the plan, not a final checklist.

Clarity over complexity

Simple architectures, written decisions and documentation that a new engineer can follow on day one.

Transparent delivery

Fixed scopes or retainers, weekly progress notes and honest estimates — you always know where things stand.

Built to last

Tests, monitoring and maintainable code mean your system keeps working long after the project ends.

03Engagement

Choose how we
work together.

Project

Fixed scope

A defined outcome with agreed deliverables, milestones and price.

  • Discovery & written specification
  • Milestone-based delivery
  • Acceptance period & handover
Best for new products and integrations

Retainer

Ongoing team

Reserved monthly capacity for development, support and improvements.

  • Monthly hours, flexible priorities
  • Maintenance & security updates
  • Monthly report & planning call
Best for evolving platforms

Advisory

Expert review

Time-boxed consulting for a specific decision or problem.

  • Architecture or security review
  • Process & vendor assessment
  • Written findings & recommendations
Best for decisions and audits

04Roadmap

This site is still
under construction.

We're building our new home in public. Here's what is already live, what we're working on right now, and what comes next.

Website build 0%
  • Live
  • In progress
  • Planned

  • Company website & services overview

    Core pages, capabilities and contact.

    Live

  • Legal & privacy documents

    Terms, privacy and cookie policies, company details.

    Live

  • Security & quality practices

    How we handle code, access, data and incidents.

    In progress · 70%

  • Case studies

    Selected projects, shared with our clients' permission.

    In progress · 45%

  • Insights

    Short articles on architecture, security and delivery.

    Planned · Q1 2027

  • Client portal

    Project status, documents and invoices in one place.

    Planned · 2027

Changelog

  1. v0.8Roadmap section and status bar added
  2. v0.7Legal documents published
  3. v0.5Capabilities and engagement models
  4. v0.1First version of the website

05Contact

Have a project, a system
to review or a decision to make?

vigilantdefend.tech@protonmail.com
Send an email
Response
Within 1 business day
Based in
London, United Kingdom
Working with
Clients across the UK & Europe