Bespoke Software Development that solves real business challenges.
At 16i, we specialise in software development that helps organisations overcome complex operational challenges, streamline workflows, and unlock new digital opportunities.
Combining creative thinking with deep technical expertise we can build tailored software solutions that enable your business to operate smarter and scale with confidence.
Whether you're looking to replace inefficient manual processes, integrate disparate systems and AI technologies, or create a brand new digital product, our bespoke approach ensures you get software that fits your business; not the other way round.
How our software development expertise solves your business problems.
Our people‑centric, problem‑solving approach ensures every solution is built around your goals, users, and operational realities. Our B Corp certification underlines our ethics and transparent operating approach.
We start by understanding your challenges.
We work closely with stakeholders to understand pain points, analyse current workflows, and existing tools; all so we fully understand your objectives, operational challenges, and digital goals before we begin designing your software. This ensures the end product genuinely enhances how your business functions.
We create software that transforms operations.
16i builds everything from simple applications to enterprise‑level systems and fully bespoke business platforms; designed to increase efficiency, reduce friction, and provide long‑term scalability.
All tailored around resolving your particular challenges which can range from improving internal workflows to enabling new customer experiences, to online portals and intricate back‑end processes that help organisations thrive at scale.
We deliver measurable improvements.
Our refinement of user journeys, system architecture and digital experience has helped clients optimise key processes. From enhancing booking flows to building the back‑office infrastructure for entire businesses across sectors such as education, hospitality, enterprise, publishing and legal.
Scaling a publishing platform for growing traffic
SoPublishing • Platform
Creating a seamless user experience for G1 Installers
Grant UK • Portal & App
Creating a resilient reporting system.
PIPA • Platform
Generating happier employees through bespoke software development.
Harkn • App
What could we build for you?
Our team has developed a diverse range of bespoke systems to support modern businesses over the years. These have included:
Portals & Online Platforms
Custom portals for customers, staff, members or partners designed for secure access, streamlined communication and simplified operations.
Examples include online publication platforms and resilient reporting systems.
Certification & Accreditation Platforms
Bespoke platforms that manage certification workflows, user credentials, progress tracking and reporting—tailored to professions, industries or internal training. See platforms for certification and inspection schemes.
Booking & Reservation Systems
We’ve created efficient booking processes for businesses such as hospitality and leisure providers, designed to improve conversion and streamline user journeys.
Back‑Office Management Systems
End‑to‑end operational systems that act as the infrastructure behind entire businesses—used by companies in sectors such as luxury travel and media.
Mobile & Web Applications
Cross‑platform, user‑friendly applications designed to extend functionality, enhance user experience and increase engagement across devices.
e‑Commerce Tools & Conversion‑Focused Enhancements
From bespoke e‑commerce platforms to UX‑driven checkout improvements, we help businesses increase visibility, usability and revenue.
Surveys & Data Collection
Benchmarking Surveys for leading experts in financial benchmarking.
Why businesses choose 16i for Software Development
A strategic, research‑driven process
We analyse your challenges, map user journeys and bring ideas to life through UX/UI, prototyping and iterative development.
A highly skilled, multidisciplinary development team
Our developers, designers, strategists and technical specialists collaborate to deliver high‑quality, scalable and future‑proof solutions.
A strong track record of on‑time, on‑budget delivery
With thousands of digital projects delivered, our team is trusted by more than 200 clients across a wide range of sectors.
Why we use .NET for high‑performance Software Development
Many of our bespoke systems are built using Microsoft .NET, allowing us to create robust, scalable and reliable enterprise‑grade applications.
High Performance & Scalability
.NET is designed for applications that must scale over time—perfect for growing businesses with evolving digital demands.
Enterprise‑Level Security
Advanced authentication, access control and protective frameworks make .NET ideal for handling sensitive data and mission‑critical operations.
Flexible & Cross‑Platform
From web apps to mobile services and APIs, .NET supports a wide range of development scenarios.
Long‑Term Reliability
Backed by Microsoft, .NET benefits from continual updates, strong support and a thriving global developer community.
Seamless Integration
.NET integrates smoothly with cloud services, CRM systems, databases and other business technologies—reducing friction and improving workflow efficiency.
How a bespoke software project runs
Discovery comes first, and it is the phase that determines whether everything after it goes well. We work with the people who will actually use the system to understand the current process, where it breaks down, and what success would look like in practice rather than in principle.
Scoping turns that understanding into a defined build: what is included, what is deliberately not, how the system will integrate with what you already run, and what it will cost. You get a clear specification before any commitment to development.
Design and prototyping follows, covering user journeys and interface design. For systems people use every day this matters as much as the underlying engineering; software that works but frustrates does not get adopted.
Development runs in stages with regular review points, so you see working software early and can adjust while adjusting is still inexpensive. We build in .NET, with code review and automated testing as standard.
Testing and launch covers functional testing, security review, performance under realistic load, and a controlled deployment. For systems replacing an existing process we usually run both in parallel for a period.
Support and evolution continues afterwards. Most of the systems we have built are still in service years later, and most have grown considerably beyond their original scope.
What does bespoke software cost?
The honest answer is that it depends on scope, but that is not much help when you are trying to work out whether to start the conversation at all, so here is a rough guide.
A focused system with a defined user group and limited integration, such as a straightforward customer portal or an internal tool replacing a spreadsheet process, typically starts in the region of 25,000 to 40,000 pounds. Larger platforms serving several user types, with substantial integration into existing systems, generally run from 60,000 pounds upwards. Enterprise platforms with complex data, compliance or scale requirements are scoped individually.
Two things move those figures more than anything else: how many systems the software needs to talk to, and how clearly the requirements are understood at the outset. Discovery exists largely to resolve the second, which is why we run it before quoting rather than after.
We would rather have a straight conversation about budget early than produce a proposal neither side can act on.
Let's start solving your business challenges, together!
Still unsure if we might be able to help? For us no problem is too big or too small. Whether you need a bespoke portal, a certification platform, a large‑scale business system or a custom application built on .NET, 16i has the expertise to deliver exceptional results.
Let’s turn your challenges into innovative digital solutions that help your business thrive.