Build · Custom software development
Custom software, built around how you work
Business systems, dashboards, customer portals and APIs — engineered for your workflow, instead of forcing your team into someone else’s.
In short
Custom software is software designed around one business’s workflow, rather than a generic product the business has to bend itself to. Ferventum builds business systems, internal tools and dashboards, customer portals, APIs and automations on Go and Next.js — fast, secure and simple to host — and builds every public-facing part to be found in search from day one.
Off-the-shelf software is built for the average business. When your process does not fit it, your team fills the gaps with spreadsheets, copy-paste and workarounds — and those gaps get more expensive with every new customer.
Custom software closes them. We map how work really flows through your business, then build the system around it: a Go backend that is fast and dependable, a clear Next.js interface your team will actually use, and integrations with the tools you already rely on.
What's included
What our Custom software work covers.
Business systems & internal tools
Order, inventory, booking, HR or operations systems shaped around your workflow — not the other way round.
Dashboards & reporting
Live numbers from across the business in one place, instead of a weekly spreadsheet.
Customer portals & SaaS products
Accounts, self-service and subscriptions for the people you serve — secure from the first release.
APIs & integrations
Payment gateways, CRMs, accounting and delivery tools connected, so data moves without re-typing.
Automation
Scheduled jobs, notifications and workflows that take repetitive work off your team.
Legacy modernization
An ageing system or spreadsheet process moved to a modern stack, with your data carried across.
How it works
How a Custom software engagement runs.
- 01
Discover
We map the workflow, the people who use it and the numbers that matter — before any code is written.
- 02
Design
Screens, data model and integrations agreed with you, so the scope is clear from the start.
- 03
Build
Go API, database and Next.js interface, shipped in working increments you can try as we go.
- 04
Launch & support
Data migration, training and deployment — then improvements as your business changes.
Is it for you?
Who Custom software is for.
- Businesses running key processes on spreadsheets and messaging apps
- Teams whose off-the-shelf software no longer fits how they work
- Founders turning an idea into a SaaS product or customer portal
- Companies whose systems, payments and tools need to talk to each other
FAQ
Custom software questions, answered.
Why build custom software instead of buying a product?
Buy when a product fits your process; build when it does not, or when the software is part of what makes you different. If an existing product would serve you better, we will say so.
How much does custom software cost?
It depends on scope — the number of screens, user roles and integrations, and how much data moves between them. We scope the project with you first and quote against that scope. Starting with a focused first version is often the fastest way to real value.
What technology do you build with?
Usually a Go backend, a Next.js frontend and a SQL database — fast, secure and simple to host. If the software has to fit an existing stack, we work that out at the start.
Can it connect to the tools we already use?
Usually, yes. Most modern tools offer APIs for payments, accounting, CRM, email and messaging. We check every integration during discovery, so there are no surprises halfway through the build.
Can the software have a public side that ranks?
Yes — that is where we differ. Customer portals, product pages and help centres are built on the same SEO foundation as our websites: pre-rendered pages, structured data and fast load times.
Let's talk about Custom software.
Tell us where you stand and where you want to be. We will reply with questions or a first plan.
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