IT Support East Grinstead & surrounding areas
Managed IT Support for Businesses in East Grinstead
Most IT problems in an East Grinstead office never need an engineer in the building. They need someone who picks up quickly, knows your setup and fixes it remotely. We do that for a fixed monthly price from £30 per user, with monitoring, patching, backups and a named engineer who usually picks up within fifteen minutes.

Tenant · Policies · AccessMicrosoft 365 governance
Intune · EndpointsDevice management
100+
UK businesses supported
< 15 min
Average support response
98%
First-contact resolution
Since 2015
Supporting UK businesses
LOCAL POSITIONING
A proactive IT partner for
East Grinstead businesses
We provide business IT support in East Grinstead for professional services firms, growing SMEs and multi-site teams, from the town centre out to Forest Row, Felbridge and Crawley Down, with managed IT support designed around how their operations actually run.
Our work is built on long-term partnerships, named engineers and clear accountability. Our prices are published, so you can see what IT support costs before you speak to anyone.
- Named local engineers
- Strategic IT guidance
- Proactive, not reactive
- Fast, accountable support
THE REALITY
Where IT quietly creates operational friction
For most East Grinstead businesses, IT problems rarely start with one major outage. They build quietly through reactive support, inconsistent Microsoft 365 management, unmanaged devices, backup uncertainty, cyber security gaps and poor day-to-day visibility.

Reactive support & recurring issues
Weak onboarding / offboarding
Unmanaged devices
Cyber security gaps
Connectivity instability
Supplier fragmentation
Backup uncertainty
Poor visibility & monitoring
IT SERVICES FOR EAST GRINSTEAD BUSINESSES
Managed IT & cyber security services for businesses in East Grinstead
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.
Managed IT Support
Unlimited UK helpdesk, proactive monitoring and structured support for your users, devices and wider IT estate.
24/7 Monitoring
Unlimited Helpdesk
Onboarding & Offboarding
Device Management
Cyber Security
Cyber Essentials certified protection across endpoint, identity, email, Microsoft 365 and user awareness.
EDR / MDR
Cyber Essentials
Endpoint Security
Firewalls
Cloud Security
Microsoft 365
Microsoft Partner-led management of Teams, SharePoint, Exchange, OneDrive and Entra ID, secured and governed properly.
Teams
SharePoint
Licensing
Microsoft Management
VoIP & Connectivity
Business-grade broadband, leased lines, WiFi and cloud telephony designed around reliable communication.
Cloud PBX
Teams Calling
Business Broadband
Leased Lines
VoIP Telephony
Backup & Recovery
Independent Microsoft 365 and system backups with tested recovery processes and clear continuity planning.
Immutable Backup
Disaster Recovery
Microsoft 365 Backup
Yearly Retention
Cloud Services
Secure cloud infrastructure, remote access and hybrid environments built to support modern business operations.
Azure
Remote Working
Cloud Security
Microsoft
Google Workspace

-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 East Grinstead 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 East Grinstead 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 East Grinstead 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 EAST GRINSTEAD 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 East Grinstead 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.
SUSSEX CLIENTS
Sussex businesses
we already look after
Some of the Sussex organisations we support have let us publish how we work with them. Each case study sets out the problem they had, what we changed and how things run now.
West Sussex
Across Sussex and beyond


LOCAL IT SERVICES EAST GRINSTEAD
Supporting businesses across East Grinstead & Mid Sussex
From professional services firms in the town centre to growing businesses in Forest Row, Felbridge and Crawley Down, ATS provides managed IT support, cyber security and Microsoft 365 services that match how serious businesses operate.
Our engineers work onsite in East Grinstead when needed and remotely the rest of the time, supporting hybrid teams with the same standards regardless of location. We also look after businesses nearby in Crawley, Horsham and Burgess Hill. Support is a fixed monthly price from £30 per user, and our IT support pricing is published in full. We cover the rest of the county too: see our IT support across Sussex.
- Professional services firms
- Hybrid & multi-site teams
- Growing SMEs & scale-ups
- Operationally mature businesses
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 East Grinstead businesses rely on for the long term.
IT Support East Grinstead
- 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 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
FAQ
IT Support East Grinstead – common
questions
We provide managed IT support, Microsoft 365 management, cyber security, backup and recovery, device management, connectivity and strategic IT reviews for East Grinstead businesses.
No. Our offices are in Arundel and Chichester, and we would rather say so upfront. Most support is delivered remotely, with a named engineer who usually picks up within fifteen minutes, so distance rarely matters day to day. When something needs hands on it, we arrange an onsite visit.
We support businesses in East Grinstead town centre and the surrounding area, including Forest Row, Felbridge, Crawley Down, Copthorne, Turners Hill and Ashurst Wood. We also look after businesses in Crawley, Horsham and Burgess Hill.
Our average response time is under 15 minutes, with named engineers and clear SLAs.
IT support is usually charged as a fixed monthly fee per user. Our Core support is £30 to £48 per user per month and Complete IT and security is £55 to £90, with full details on our IT support pricing page.
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, and we are Cyber Essentials certified ourselves.
Hybrid working is built into how we design support, secure devices, Microsoft 365 governance and consistent experience wherever your team works.
Yes. We handle the handover with your current provider, including documentation and knowledge transfer, as a planned transition so your team can keep working throughout.
Yes. Many growing businesses use a managed provider in place of, or alongside, an in-house IT role. It removes the single point of failure and gives you cover for holidays and sickness. Our outsourced IT support page compares the two options side by side.
Free • 12 minutes • Written PDF report
Who actually holds the keys to your systems?
List the systems your business runs, answer plain-English questions about how they are controlled, and get a report with a red, amber and green rating for every area and what to fix first. Nothing on your systems is touched.
Cyber Essentials certified · Microsoft Partner · rated 5.0 on Google

