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7 firms listed for Horsham, Haywards Heath and Burgess Hill · details as published on their sites, September 2026.
Horsham is governed by Horsham District Council, while Haywards Heath and Burgess Hill both fall within the neighbouring Mid Sussex District Council. The town centre is built around the Causeway and Market Square, where many offices and shops occupy listed timber-framed or Georgian buildings, some dating to the sixteenth century, which limits where new cabling or external equipment can go without conservation consent. Horsham Hospital, run by Sussex Community NHS Foundation Trust, provides a minor injuries unit rather than full emergency care.
Haywards Heath, to the east, hosts the Princess Royal Hospital, part of University Hospitals Sussex, while Burgess Hill sits between the two towns. The district’s business space is spread across smaller estates such as Oakhurst Business Park in Southwater, rather than concentrated in one dominant park, and the surrounding countryside runs into the High Weald to the north and the edge of the South Downs to the south.
Tips for Horsham (Haywards Heath, Burgess Hill)
- Horsham District Council administers the town itself; Haywards Heath and Burgess Hill are covered by the separate Mid Sussex District Council.
- The Causeway and Market Square area holds many listed buildings, so check conservation rules before fitting external cabling or dishes there.
- Horsham Hospital, on Hurst Road, offers a minor injuries unit only; full A&E cover sits outside the town.
- Princess Royal Hospital in Haywards Heath is part of University Hospitals Sussex NHS Foundation Trust, serving the wider Mid Sussex area.
managed IT provider
entrustIT
business IT support · managed IT · cloud and Microsoft 365 · networking and Wi-Fi · cyber security
South Coast Tech & Innovation Award winner; serves Horsham area
entrustit.co.uk
managed IT provider
nTrust Systems
business IT support · managed IT · cloud and Microsoft 365 · cyber security
Cyber Essentials Plus; Microsoft Solutions Partner; 200+ clients; 97% retention
ntrustsystems.co.uk
computer repair
Horsham Computer Centre
home computer repair
Circuit board repair; virus removal; hardware upgrades; collection and home visits
horshamcomputercentre.co.uk
computer repair
My Computer Works & Mac Rehab
home computer repair
Apple specialist; iFixit certified; 100+ 5-star reviews; free collection/delivery
mycomputerworks.co.uk
3aIT
business IT support · managed IT · cloud and Microsoft 365 · cyber security
Located at Bishopric near Carfax; integrated Microsoft and custom systems
3ait.co.uk
IT Support & Security
business IT support · cyber security · cloud and Microsoft 365
1-hour response guarantee; 30+ years in West Sussex; no long-term contracts
iss-it.co.uk
Octotech
business IT support · managed IT · cloud and Microsoft 365 · cyber security · backup and disaster recovery · data recovery · home computer repair
Microsoft Silver Partner; Bitdefender and Datto partner; home and business support
octotech.co.uk
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Listing is free and is not an endorsement. Details come from each firm's own website and may change; to be added or corrected, email [email protected]. See also the guides on backups, security and choosing IT support.