Custom Advertising Platforms
We build tailored software that fits your workflows — replacing spreadsheets and manual processes with scalable digital platforms.
Streamline operations with custom Advertising software built by UK engineers — from discovery through launch and long-term support.
Schedule a CallGain specialised expertise and increase efficiency in advertising.
Amplify your brand with engaging campaigns that connect with audiences and drive measurable results. Since 1996, SquareCode has delivered bespoke software for UK organisations across 117+ sectors — combining domain understanding with strong engineering practices.
We build tailored software that fits your workflows — replacing spreadsheets and manual processes with scalable digital platforms.
We connect your core systems, third-party tools, and data sources so teams work from a single, reliable source of truth.
We deliver mobile apps for teams on the move — with offline capability, role-based access, and secure sync when connectivity returns.
We turn operational data into dashboards and reports that help leaders make faster, better-informed decisions.
We build with security and auditability in mind — essential for regulated advertising environments and sensitive data.
We upgrade legacy applications incrementally, keeping business operations running while improving maintainability and performance.
Custom software adapts to how your organisation actually operates — not the other way around.
We design solutions that work alongside your current platforms using proven integration patterns.
Automate repetitive tasks, reduce manual errors, and free teams to focus on higher-value work.
SquareCode supports you after launch with maintenance, improvements, and honest technical advice.
UK engineers with cross-sector delivery experience
We combine deep engineering capability with practical delivery — embedding alongside your team when needed and taking ownership when you want a full-service partner.
We have delivered projects across advertising and adjacent sectors — bringing patterns that work without reinventing the wheel.
You work with experienced engineers aligned to UK hours — making collaboration and decision-making straightforward.
Staff augmentation, dedicated teams, or end-to-end outsourcing — structured around your priorities and budget.
Projects delivered for UK and global organisations.
Healthcare
NHS
We installed and integrated security systems on NHS maternity wards, linking card-lock hardware with a complete management platform.
Financial Services
Experian
Our engineers worked with Experian on complex systems — strong technical depth, clear communication, and reliable execution across every release.
Public Sector
HMRC
We delivered secure, auditable software for HMRC — meeting strict compliance requirements with the reliability public-sector platforms demand.
Need help with Advertising? Plug us in where you need us most.
Add senior engineers who integrate directly into your team — working your hours and following your workflows.
Learn moreSpin up focused delivery pods with clear priorities and consistent velocity across your roadmap.
Learn moreHand off the full project lifecycle from planning to deployment while staying informed throughout.
Learn moreDepending on scope, we can typically onboard senior engineers within a few weeks. Staff augmentation engagements often move faster once requirements are clear.
Yes. SquareCode is a UK company with engineers aligned to UK hours — making collaboration straightforward for British organisations.
Yes. Integration is a core part of our delivery. We work with your existing stack, data sources, and workflows rather than forcing unnecessary rip-and-replace.
We offer staff augmentation, dedicated teams, and full software outsourcing — structured around your timeline, budget, and internal capacity.
Speak with our UK team about your requirements.
Schedule a Call