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East and West Sussex

Custom Software Developers in Sussex

From Brighton and Crawley to Chichester and Worthing, Sussex businesses tend to come to us for the same reason. Off-the-shelf software has run out of road, and somebody needs to build something that fits.

Talk to Rob and Jaseor ring 01474 639 089

You'll be talking to one of us, not a salesperson.

Why Sussex firms end up here

Crawley's aviation and aerospace supply chain, Horsham's insurance and financial services firms, Worthing's healthcare sector and Brighton's digital and events businesses all throw up problems a packaged tool can't solve.

Often it's the same story. A spreadsheet that worked with five staff can't support thirty, or an ageing database is one bad merge away from a very long week.

We build CRMs, warehouse and order systems, booking and quoting tools, and the workflow software that replaces the manual bits. Written from scratch, and yours when it's done.

We're not in Sussex. We'll say that up front.

We're in Gravesend, Kent, and we've been here since 2011. Most of a project happens remotely anyway, because that's where the code is.

You'll talk to Rob or Jase directly, and when being in the room helps, we come to you. That's usually the first proper look at how the business runs, a workshop to agree what's being built, and the day it goes live.

How to tell Sussex software firms apart

Every firm's website claims bespoke solutions, proven results and great support. These are the questions that separate them, and we'd ask them of us too.

  • Do they write code or set up platforms?

    Assembling configurable or low-code tools can be fine for simple needs. For genuinely custom work, only written software fits exactly, and only then do you fully own it.

  • Have they done your kind of integration?

    Most projects need to connect to an accounts package, an ERP, a warehouse system or someone's API. Doing that reliably is its own skill.

  • Will you work with the person pitching?

    Some firms pitch senior people and deliver through someone else. With us, the people who scope the job build it.

  • Will they give you a straight answer?

    You want cost, scope and timing without layers of account management in the way.

More in our guide to choosing a software company.

After ongoing issues and delays with our previous developers, we brought in Rob and Jason to take over all our websites and bespoke software. What a breath of fresh air.
PSS Project Skills Solutions

What we build for Sussex businesses

  • Order and warehouse systems

    Stock, picking, despatch and delivery tracking, built for how your warehouse really runs.

  • Custom CRM

    Built around how you manage accounts, pipeline or cases, not how a vendor assumes you do.

  • Workflow tools

    Job management, scheduling, quoting and sign-off, so the process stops living in one person's head.

  • Integrations

    The packages you already run, joined up so nobody retypes anything. If it has an API, we can connect it.

  • Old systems, moved on

    Ageing databases, Access, COBOL and early PHP brought up to date without stopping the business.

  • Reporting

    Figures that are always current, instead of someone spending half a day in spreadsheets.

Where AI fits

We use AI every day, and it means a small team gets through a lot more than it used to. Our developers still design the work, check every change and answer for it. Here's how that works.

If you've built something yourself with AI and it's now carrying real weight, we'll take it from there.

Questions from Sussex businesses

  • Does it matter that you're in Kent?

    Not often. We work with clients across the UK over calls and screen shares, and we'll come down when it's worth it.

  • We've already got a system. Do we have to replace it?

    Usually not. We'd read what you've got first and tell you honestly what's worth keeping.

  • Who owns the code?

    You do, and the data. If you ever want to leave, we'll hand it all over.

  • What happens after it goes live?

    We look after it: fixes, improvements, security updates and hosting, from the people who know your code.

  • How do we start?

    Tell us what's going on. It goes straight to Rob and Jase, and the first chat is free.

A few things Sussex firms ask us to fix

The report that takes half a day to put together. The booking process that only one person fully understands. The customer details held in three places, none of which agree. The old database that nobody dares restart.

None of these sound like a software project, and that's the point. Most good ones start as a small annoyance that somebody finally got fed up with. We'd rather fix one of those properly than sell you a grand plan.

Because we use AI to do a lot of the typing, a focused job like that takes far less time than it did a few years ago, so things that weren't worth doing before often are now.

If it turns out you don't need custom software at all, we'll tell you that too, and you'll have lost nothing but a phone call.

Photos of Rob and Jason, who run Dev Partners

Hello, you get us

Rob on the left, Jase on the right. No sales team and no account managers. One of us is on every job, from the first chat to long after it goes live, and the people writing your code sit in the same small team.

Meet everyone

Towns we cover

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Tell us what you've got

It goes straight to Rob and Jase. You'll hear back from one of us, usually the same day, and we'll tell you honestly whether we're the right people.

Book a call with usor ring 01474 639 089

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