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CM System Designs, business systems for South East SMEs
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Bespoke software & automation in Sussex

Read about our work here
Clutch. 5.0 / 5 · 9 client reviews on Clutch

Over 30 years' experience between the founders.
AI-native delivery today.

A small, senior team.
Direct access to the people building your system.

Working with Sussex businesses

Sussex covers more than its two halves suggest. That includes the agencies and studios of Brighton and Hove, the logistics and aviation businesses around Gatwick in Crawley, and the market towns of Horsham, Haywards Heath and the coast at Worthing and Eastbourne. What they share is a habit we see often. A useful process has outgrown the spreadsheet or the free tool it started on, and nobody has had time to replace it. We build bespoke systems for Sussex SMEs, including booking and scheduling tools, client and job management, and reporting that returns one answer from what is currently three different places. We are based in Dorking, an easy run down the A24 or A23. Between them, the founders have been building systems like these for over 30 years. If your team copies the same customer or job information between two or three tools by hand, that is the workflow to fix first.

What we fix for Sussex SMEs

The problems we see most often in this area, and the ones a bespoke system is built to remove.

  • Booking and scheduling handled through a mix of spreadsheets, email and a free tool never meant to scale
  • Client or job data copied by hand between two or three disconnected systems
  • Seasonal peaks in tourism, events and travel around Gatwick that the current setup cannot handle

Towns we cover in Sussex

We work with businesses in Brighton and Hove, Crawley, Worthing, Eastbourne, Horsham, Hastings, Chichester, Haywards Heath, Burgess Hill, Bognor Regis, East Grinstead, Littlehampton, and across the rest of Sussex.

Working with us in Sussex

Do you work with creative and agency businesses, or just trades and manufacturing?
Both. Bespoke systems for agencies and studios, including client portals, project tracking and resourcing, are some of the more common builds we do, alongside trades and logistics businesses. The deciding factor is whether your process fits an off-the-shelf tool, not your sector.
We are near Gatwick. Can a system handle high seasonal or event-driven demand?
Yes. Systems for businesses with sharp seasonal peaks are built for the busiest weeks, not the average ones. The scheduling and reporting follow that demand.

What could work better
in your business?

You don’t need a finished brief to start a conversation.