Software Development Insights

Should your business buy a SaaS tool or build custom software? The world's best software development companies use a specific decision framework to answer this — and the answer is almost never what you expect. This guide gives you that framework.

Before signing with any app development company, run them through this 10-point checklist. Every point reflects what actually separates the world's best software companies from agencies that overpromise and underdeliver — and every point is verifiable before you commit a single pound.

Seven Solvers has built over 40 custom software products and mobile apps for clients across the UK, Europe, and Asia. Discover why global businesses trust us as the world's best software development and app development company — and what that means for your next project.

Zapier is brilliant — until it is not. For most small businesses, Zapier handles automation needs perfectly. But as businesses grow, they hit walls: tasks limits, logic limitations, cost escalation, and workflow complexity that Zapier's visual model cannot accommodate. At that point, the question becomes whether to stay on Zapier (and pay more, do more workarounds) or build custom automation with Node.js (and gain capability, control, and lower long-term costs). This guide gives you the complete picture.

You do not need to understand how large language models work to use AI in your business. But you do need to understand what AI can actually do, what it cannot do, which tools are right for which problems, and what genuinely requires a developer versus what you can set up yourself. This is that guide — written for business founders and owners who are not technical, but are smart enough to demand honest answers instead of jargon.

Most businesses implement automation based on gut feeling — "this feels like it should save time." The businesses that get the most from automation measure it properly: quantifying the time saved, the errors eliminated, the revenue accelerated, and comparing it against the actual cost of building and running each automation. This guide gives you the complete framework for calculating business process automation ROI, with real worked examples and the benchmarks to know whether your automations are performing well.

Every year that passes, UK and US businesses pay growing SaaS subscriptions for tools that were designed for someone else. The decision to replace SaaS with custom software is not ideological — it is financial. This guide provides the complete ROI framework for evaluating that decision: what your SaaS stack is actually costing you, what custom software costs to build and maintain, and how to calculate whether the switch makes financial sense for your specific situation.

Most businesses start with SaaS — and rightly so. But there comes a point where the tools that helped you grow start holding you back. This guide identifies the 10 clearest signals that your business has outgrown off-the-shelf SaaS and is ready for custom software, the financial case for making the switch, and how to transition without disrupting operations.

Custom software is no longer just for large enterprises. In 2026, UK small and medium businesses are commissioning bespoke software to solve problems that off-the-shelf tools simply cannot — and the economics have shifted dramatically in their favour. This guide covers when custom software is the right investment for a UK SMB, what it realistically costs, and how to approach the build without wasting budget.