Trusted Managed IT & Cyber Security Partner • West Sussex
Proactive IT Support, Cyber Security & Managed Services for West Sussex Businesses
ATS Connection helps growing West Sussex businesses reduce downtime, strengthen cyber security and operate IT properly, with proactive support, layered protection and long-term IT management. We provide IT support across West Sussex, including Arundel, Worthing, Chichester and Horsham.
20+Years
100+Clients
98%Resolution
<30mResponse
24/7Managed security ops
98%Issue resolution rate
100+
Businesses supported
20+
Years of experience
98%
Issue resolution rate
What we do
A complete managed IT & security stack, from one West Sussex partner.
Everything you need to run modern, secure IT, proactively managed by a UK team that picks up the phone.
Managed IT Support
Unlimited UK helpdesk, 24/7 monitoring and proactive maintenance for your entire IT estate.
24/7 Monitoring
Unlimited Helpdesk
Cyber Security
Cyber Essentials certified protection across endpoint, identity, email, firewall and staff awareness training.
EDR / MDR
Cyber Essentials
Microsoft 365
Microsoft Partner-led deployment of Teams, SharePoint, Exchange and Entra ID secured properly.
Teams
SharePoint
VoIP & Telecoms
Modern cloud telephony fully integrated with Microsoft Teams, broadband and mobile options.
Cloud PBX
Teams Calling
Backup & Recovery
Immutable backups and tested recovery plans to keep your business running through any incident.
Immutable Backup
Disaster Recovery
Cloud Services
Cloud infrastructure, secure remote working and lifecycle planning for modern regulated teams.
Azure
Remote Working
The ATS defence model
Cyber security is not a single product. It is six layers, working together.
Most breaches happen where one layer is missing. We design, deploy and maintain all six, then prove they work every quarter.
We do not sell tools. We run them every hour of every day on behalf of the businesses we look after.
Security Operations · Arundel
L1
People
Security awareness training, phishing simulations and a culture that asks before it clicks.
L2
Identity
MFA everywhere, Conditional Access and privileged-account hardening across Microsoft 365.
L3
Endpoint
EDR / MDR on every device, automated patching and 24/7 behavioural threat hunting.
L4
Email & Web
Inbound filtering, link rewriting, attachment sandboxing and DNS-layer protection.
L5
Network
Segmented firewalls, secure remote access and continuous traffic inspection.
L6
Recovery
Immutable backups, tested recovery plans and documentation that stands up under pressure.
How we work
How ATS proactively manages your IT.
A defined onboarding and management process designed to remove risk, eliminate downtime and give you a long-term IT partner, not just a number to call.
01
Discover & Audit
Free IT & Cyber Risk Review. We map your environment, expose risks and quantify what reactive IT is costing you.
02
Onboard & Harden
Seamless takeover with modern tooling, MFA, patch baselines and clear documentation.
03
Monitor & Protect
24/7 monitoring across endpoints, identity, network and Microsoft 365 backed by a UK helpdesk.
04
Improve & Plan
Quarterly reviews with roadmap, budgets, security posture and practical improvements.
24 / 7 / 365Live monitoring
3,200+Endpoints protected
HundredsSecurity incidents prevented monthly
Outgrown reactive IT?
Stop firefighting. Start operating securely.
Most growing businesses outgrow break-fix IT long before they switch. The cost shows up as downtime, security incidents and frustrated staff, not on the invoice.
ATS Connection delivers a fully managed alternative with a dedicated team, modern tooling, layered cyber security and a long-term roadmap built around your business.
Recurring downtime
Issues resurface because nothing is being managed proactively.
Growing security risk
Outdated tooling, missing MFA, untrained staff and no visibility.
Slow ad-hoc support
Tickets sit in a queue and no one owns your environment.
No long-term roadmap
IT is patched together rather than planned and budgeted.
1,847Helpdesk tickets resolved this month
UK-based engineers · Arundel, West Sussex
A premium managed IT partner, not just a support number.
For 20+ years we have supported growing Sussex businesses with senior UK engineers, modern tooling and genuine long-term partnership.
Proactive Support
We monitor, patch, harden and improve continuously to prevent issues before they impact your team.
24/7 monitoring · Quarterly reviews · Predictable monthly fee
Security-Focused
Layered defences across endpoint, identity, email, network and end-user awareness.
MFA & Conditional Access · EDR / MDR · Awareness training
Long-Term Partnership
Most clients stay with us for years because we plan, budget and grow alongside the business.
Dedicated account manager · Strategic roadmap · Senior UK engineers
We do not outsource. Every call is answered in Sussex by an engineer who already knows your network, your team and your business, because they built it with you.
David Knight
Managing Director · ATS Connection
Industries we support
Built for regulated and professional businesses across Sussex.
From compliance-driven solicitors and accountants to fast-moving recruitment and construction teams.
Accountants
Solicitors
Construction
Recruitment
Estate Agents
Financial Services
Architects
Healthcare
Free • No obligation • Senior engineer • 30 minutes
Book a Free IT & Cyber Risk Review
A strategic 30-minute review with one of our senior engineers designed to expose
what reactive IT is really costing your business and exactly where to improve.
What you will get
- Identify hidden cyber security risks across your environment
- Quantify downtime and inefficiencies costing your business
- Audit Microsoft 365, backups, MFA and endpoint protection
- Receive proactive recommendations from a senior UK engineer
What clients say
Rated 5.0 on Google by Sussex 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