IT Support Chichester & West Sussex
IT Support in Chichester Your Business Can Rely On
Fast, proactive business IT support from a local team. Whether you are frustrated with slow response times, recurring IT issues or poor communication from your current provider, ATS Connection helps businesses across Chichester stay secure, productive and properly supported.




Filtering & access policiesSecurity controls
Intune managed devicesDevice management
300+
Devices managed across client environments
98%
First-contact resolution
<15 min
Average response time
Since 2015
Supporting Chichester businesses
LOCAL POSITIONING
A proactive IT partner for Chichester businesses
We provide business IT support in Chichester for professional services firms, growing SMEs and hybrid teams across West Sussex, with managed IT support designed around how their operations actually run. For businesses that would rather not manage IT in-house, we provide fully outsourced IT support.
Our work is built on long-term partnerships, named engineers and clear accountability, the kind of structured, strategic IT relationship most local businesses say they have been looking for.
- Named local engineers
- Strategic IT guidance
- Proactive, not reactive
- Fast, accountable support
THE REALITY
Where IT quietly creates operational friction
Most businesses are not struggling because of one catastrophic failure. Problems usually build quietly through reactive support, weak Microsoft 365 governance, inconsistent onboarding, unmanaged devices and unresolved operational inefficiencies.

Reactive support & recurring issues
Weak onboarding / offboarding
Unmanaged devices
Cyber security gaps
Connectivity instability
Supplier fragmentation
Backup uncertainty
Poor visibility & monitoring
IT SERVICES FOR CHICHESTER BUSINESSES
Managed IT & Cyber Security services for businesses in Chichester
From day-to-day support to Microsoft 365, cyber security, backup and connectivity, ATS delivers the core technology services your business needs through one structured, accountable partner. If you are weighing up budget first, our guide to how much IT support costs sets out the typical UK per-user ranges.
Managed IT Support
Proactive day-to-day support with named engineers, fast response and clear accountability.
24/7 Monitoring
Unlimited Helpdesk
Onboarding & Offboarding
Device Management
Cyber Security Chichester
Layered protection: MFA, EDR, email security, awareness training and Cyber Essentials.
EDR / MDR
Cyber Essentials
Endpoint Security
Firewalls
Cloud Security
Microsoft 365
Microsoft Partner-led deployment of Teams, SharePoint, Exchange and Entra ID secured properly.
Teams
SharePoint
Licensing
Microsoft Management
VoIP & Connectivity
Modern cloud telephony fully integrated with Microsoft Teams, broadband and mobile options.
Cloud PBX
Teams Calling
Business Broadband
Leased Lines
VoIP Telephony
Backup & Recovery
Tested backups across Microsoft 365 and business systems with measurable recovery targets.
Immutable Backup
Disaster Recovery
Microsoft 365 Backup
Yearly Retentions
Cloud Services
Cloud infrastructure, secure remote working and lifecycle planning for modern regulated teams.
Azure
Remote Working
Cloud Security
Microsoft
Google Workspace
Typical IT company vs ATS Connection
| Typical IT company | ATS Connection | |
|---|---|---|
| Approach | Wait for things to break | Prevent problems before they happen |
| Your engineers | A different person every call | Named engineers who know your setup |
| Support style | Reactive, fixed only on failure | Proactive monitoring and maintenance |
| Response times | Slow, and you chase them | Under 15 minutes on average |
| IT planning | No roadmap | Quarterly reviews and a clear IT plan |
| Visibility | Little or no reporting | Full reporting and visibility |
| Helpdesk | Often outsourced overseas | UK based local team, no offshore outsourcing |
Proactive IT support for Chichester and West Sussex businesses.

-63%
Recurring support tickets
+38%
User productivity uplift
99.9%
Service availability target
BUSINESS OUTCOMES
IT support that helps businesses run properly
We measure success operationally. Calmer days, fewer surprises and systems that scale with the business.
- Calmer, more predictable day-to-day operations
- Fewer disruptions and recurring issues
- Productive teams across office and hybrid
- Secure Microsoft 365 and remote working
- Faster issue resolution and clearer ownership
- Improved operational consistency at scale
OUR OPERATING MODEL
A structured operating model, not reactive IT support
Every Chichester business we partner with follows the same calm, structured operating model. Designed to remove operational risk and friction, not introduce it.

01
Assess & audit
Independent review of Microsoft 365, identity, devices, networks, remote access and supplier landscape across your Chichester environment.
02
Secure & standardise
Hardening of Microsoft 365, identity, endpoint security, backup and device baselines, delivered without disrupting day-to-day operations.
03
Support & monitor
Named UK engineers, structured response SLAs and unlimited support across your team, onsite in Chichester when needed, remote the rest of the time.
04
Review & improve
Quarterly partnership reviews covering risk, roadmap, infrastructure spend and strategic priorities aligned to your business direction.
WHY Chichester businesses CHOOSE ATS
Calm, accountable, operationally mature
Predictable support, governed Microsoft 365 and grown-up strategic advice, delivered by senior engineers who genuinely understand how Chichester businesses operate.

Proactive support
We resolve issues before they affect users wherever possible.
Microsoft 365 expertise
Deep platform experience across identity, security, Teams and SharePoint.
Proactive monitoring
Continuous oversight of identity risk, security drift, network health and Microsoft 365 posture.
Cyber-aware by default
Security baked into every layer of support, not bolted on.
Responsive support
15-minute average response and 98% first-contact resolution, engineered around your working day, not a queue.
Long-term relationships
Clients stay with us for years because the operating model works.
MINI CASE STUDY
Northgate Properties
Northgate Properties was experiencing recurring support delays, unmanaged Microsoft 365 and inconsistent remote working. ATS standardised systems, secured Microsoft 365, introduced monitoring and brought clear operational visibility.
Before ATS
- Recurring support delays
- Unmanaged Microsoft 365
- Inconsistent remote working
- Recurring outages
After ATS
- Standardised systems and policies
- Secured & governed Microsoft 365
- Faster response & accountability
- Continuous monitoring in place

A full IT overhaul for a luxury Chichester jeweller
A dated IT setup during a full shop refit, with ageing hardware, an unreliable network and cyber security that needed bringing up to standard.
- New server cabinet and upgraded hardware installed
- A fast, reliable mesh network across the store
- Strengthened cyber security across the business
- IT delivered around the shop refit with minimal disruption
Full
IT overhaul
Chichester
Luxury jeweller
Bringing a property developer’s IT under one roof
A slow, unproductive previous provider and IT spread across multiple suppliers, with no single point of accountability.
- All IT, phones and connectivity under one provider
- Microsoft 365, cyber security and backup in place
- Fewer tickets and noticeably less downtime
- Cost savings from consolidating suppliers
100%
Microsoft Adoption
0%
Downtime
Full-property WiFi, VoIP and security for a historic Arundel hotel
Thick stone walls and listed-building status blocked WiFi across a busy 37-room hotel, with dated hardware and a history of cyber attacks.
- Full-property and garden WiFi installed
- VoIP handsets in every room, bar and reception
- 24/7 monitored security, cyber-crime free since 2019
- Every device proactively monitored
100%
WiFi coverage
GDPR
Compliant

Why Chichester businesses switch to ATS
Most businesses that move to us are not chasing anything exotic. They want IT that works and a provider that answers. We usually get the call when:
- Their current provider takes too long to respond
- The same problems keep coming back
- They never hear a proactive recommendation
- Cyber security has started to worry them
- They have outgrown a one-person IT setup
- They want local engineers they know by name
If any of these sound familiar, moving is smoother than most people expect. See how we handle switching IT provider with no downtime.
LOCAL IT SERVICES CHICHESTER
Trusted by businesses across Chichester & West Sussex
From professional firms near North Street and East Street to growing SMEs across the surrounding West Sussex business parks, ATS provides managed IT support, cyber security and Microsoft 365 services that match how serious businesses operate. We also support businesses in nearby Arundel, Worthing, Brighton and Horsham.
Our engineers work onsite in Chichester when needed and remotely the rest of the time, supporting hybrid teams with the same standards regardless of location. The result is consistent operational support that scales with your business.
- Professional services firms
- Hybrid & multi-site teams
- Growing SMEs & scale-ups
- Operationally mature businesses

Visit us
Visit ATS Connection in Chichester
- Freedom Works, Metro House, Northgate, Chichester PO19 1BJ
- Phone: 01243 960600
For proactive IT support in Chichester and across West Sussex, call our local team or book a free IT review.
Free • No obligation • Senior engineer • 30 minutes
Start a more proactive
IT partnership
Calm, structured support. Strategic guidance. A managed IT and cyber
security partner Chichester businesses rely on for the long term.
IT Support Chichester
- Review WiFi, devices and network infrastructure
- Benchmark Microsoft 365 and security posture
- Assess backup, recovery and operational continuity
- Map a clear, costed IT & security roadmap
If it is urgent, call us on 01903 255 159.
What clients say
Rated 5.0 on Google by Chichester businesses.
★★★★★
We have been with ATS Connection for years and they have always been reliable. Fast, efficient, and they really know their stuff.
MichelleNorthgate PropertiesGoogle ★ 5.0
★★★★★
Their proactive IT support has saved us a lot of headaches. We can focus on growing our business knowing our IT is sorted.
VickyCallatech EngineeringGoogle ★ 5.0
★★★★★
ATS Connection has been a huge help. Whenever we run into IT issues, they are always there to resolve things quickly.
NicholasNorfolk Arms HotelGoogle ★ 5.0
FAQ
ATS Connection provides proactive IT support Chichester businesses can depend on, combining a fast UK helpdesk with cyber security and Microsoft 365 expertise. For wider guidance on protecting a business, the NCSC Small Business Guide is a useful read.
IT Support Chichester – common questions
We provide managed IT support, Microsoft 365 management, cyber security, backup and recovery, device management, connectivity and strategic IT reviews for Chichester businesses.
Yes. Microsoft 365 management is a core specialism. We govern licensing, identity, Teams, SharePoint, email security and ongoing administration.
Yes. We deliver layered cyber security including MFA, EDR, email protection, awareness training and Cyber Essentials certification support.
Our average response time is under 15 minutes, with named engineers and clear SLAs.
Yes. We provide onsite support across Chichester and West Sussex, combined with proactive remote support.
Hybrid working is built into how we design support, secure devices, Microsoft 365 governance and consistent experience wherever your team works.
Yes. We run structured transitions including documentation, knowledge transfer and a stabilisation period so you experience no operational disruption
We support professional services firms, SMEs and growing businesses, typically 20 to 250 users, across Chichester, West Sussex and the wider UK.
IT support in Chichester is usually charged as a fixed monthly fee, most often per user, so it is easy to budget. The exact cost depends on your team size, systems and the level of security you need. A short, free review gives you an accurate figure with no obligation.
Yes. While most issues are resolved quickly and remotely, we are based nearby in Arundel and provide on-site support across Chichester and West Sussex whenever a problem needs hands-on attention.
We support businesses across Chichester and the wider West Sussex and Hampshire area, including Bognor Regis, Arundel, Littlehampton, Worthing and the surrounding villages.
Managed IT support is normally priced per user per month, so the cost scales with your team rather than arriving as surprise bills. We scope it to what you actually need and give you a clear price before you commit.
Yes, and we do it regularly. We manage the handover from your existing provider, document your systems and run the transition so there is no downtime or lost data.
Yes. We support mixed environments, including Macs, Windows PCs and mobile devices, all managed and secured centrally.
Yes. We help Chichester businesses prepare for and pass Cyber Essentials and Cyber Essentials Plus, and we can put the underlying protections in place as part of your support.
Yes. We support businesses running from several sites, with staff in the office, at home and on the move, all under one accountable contract.





