Managed IT & Cyber Security · Retained MSP partner
Managed IT Services & Cyber Security for Growing Businesses
ATS Connection helps businesses reduce downtime, strengthen cyber security and proactively manage their IT, with responsive support, layered protection and long-term IT planning from a trusted Sussex partner.

<15 minutesAvg. Response
Local EngineersDedicated team
100+
Businesses supported
20+
Years of experience
94%
First-contact resolution
<30 min
Response target
Certified
Cyber Essentials
Partner
Microsoft partner
WHAT’S INCLUDED
Everything a modern business needs, under one managed contract.
No bolt-ons, no surprise invoices. A complete managed IT and cyber security stack delivered by ATS engineers.
Unlimited IT support
Named UK engineers, no per-ticket charges.
Proactive monitoring
24/7 visibility across servers, endpoints & cloud.
Microsoft 365 management
Hardened tenancy, licensing & collaboration.
Endpoint security
Next-gen EDR/MDR with continuous monitoring.
Backup & recovery
Immutable backups with tested restore drills.
Patch management
OS & third-party patching on a managed cycle.
MFA & identity security
Conditional Access, Entra ID & SSO done right.
Strategic IT reviews
Quarterly roadmap with your dedicated lead.
Device management
Intune-managed laptops & mobile devices.
Onboarding/offboarding
Secure joiner-mover-leaver workflows.
The ATS Proactive Model
How we proactively manage and protect your environment.
A repeatable operating model refined over 20+ years of supporting professional UK businesses, built around prevention, not firefighting.
01
Discover & Audit
Full audit of your IT estate, security posture, Microsoft 365 tenancy and risk areas, documented and benchmarked.
02
Secure & Harden
We close gaps, deploy MFA, harden M365, configure EDR and align you with Cyber Essentials baseline controls..
03
Monitor & Protect
24/7 monitoring of endpoints, identity, backups and network, with rapid response by named UK engineers.
04
Review & Improve
Quarterly business reviews, roadmap planning, budgeting support and continuous improvement of your environment.
24 / 7 / 365Live monitoring
3,200+Endpoints protected
HundredsSecurity incidents prevented monthly
manage it packages
Strategic retainers built around outcomes, not tickets.
Transparent monthly investment. Every package includes proactive management, layered security and a named UK team.
Essential Managed IT
Best for: Smaller businesses needing proactive support.
From
£750
/ month
- Unlimited IT support
- 24/7 proactive monitoring
- Microsoft 365 support
- OS & third-party patching
- Endpoint protection
Managed IT + Cyber Security
Best for: Growing businesses needing stronger security and proactive management.
From
£1250
/ month
- Everything in Essential
- MFA & identity security
- Advanced EDR security
- Backup testing & recovery drills
- Microsoft 365 hardening
- Quarterly business reviews
- Cyber risk management
Complete IT Partnership
Best for: Businesses where downtime and security and business-critical.
From
£2000
/ month
- Everything in Managed IT + Cyber
- Strategic IT planning
- Dedicated account management
- Disaster recovery planning
- Advanced cyber protection
- Budgeting & roadmap support
Pricing scales with users, devices and sites. Final retainers are tailored after a free IT & Cyber Risk Review.
Switching to ATS
A Calm, considered onboarding, not a stressful migration.
Most of our clients have switched from another provider. We’ve refined the process over 20 years to make the transition collaborative, low-risk and quietly efficient.
- No stressful migration – we manage it
- Collaborative handover from your current IT
- Named UK engineers from day one
- Long-term partnership, not a contract trap
Typical onboarding plan
3 weeks: zero downtime target
Week 1
Phase 1
Discovery & Documentation
We meet your team, audit your environment and document everything, no disruption to day-to-day operations.
Week 2
Phase 2
Secure handover
Collaborative transition with your existing provider where needed. Named ATS engineers introduced to your users.
Week 3+
Phase 3
Live & proactive
Monitoring goes live, security baseline is hardened, and your dedicated account lead schedules your first quarterly review.
ATS Defence Model
Cyber security, built into every managed contract.
Modern threats demand layered protection. Cyber security isn’t an upsell at ATS, it’s the foundation of how we manage your IT.

MFA & Identity
Conditional Access, Entra ID, SSO.
EDR / MDR
Continuous endpoint detection & response.
Backup protection
Immutable, tested, ransomware-safe.
Microsoft 365 security
Tenant hardened to best practice.
Phishing protection
Email filtering & impersonation defence.
24/7 monitoring
Visibility across identity, endpoint, network.
User awareness
Phishing simulations & training.
Cyber Essentials
Aligned and certification supported.
CLIENT TRANSFORMATION
From reactive IT to proactive partnership
A 140-user professional services firm in West Sussex moved to ATS after years of recurring downtime and unmanaged Microsoft 365 risk.
Before ATS
- Recurring outages, no clear ownership
- Microsoft 365 tenancy unhardened
- Slow break-fix response
- No IT roadmap or budget
What ATS Implemented
- Full audit of Microsoft 365 tenancy & legacy infrastructure
- Conditional Access, MFA & Entra ID
- hardening rolled out
- EDR deployed across 140+ endpoints with 24/7 monitoring
- Immutable backups & tested DR plan introduced
- Quarterly strategic reviews with named account lead
“ATS feel like part of our team. We finally have IT we don’t have to think about, and a partner who genuinely understands our business.”
, Operations Director, Sussex professional services firm

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
Free • No obligation • Senior engineer • 30 minutes
Book a Free IT & Cyber Risk Review
A 30-minute strategic session with a senior ATS engineer.
We’ll benchmark your environment, review your Microsoft 365 security
posture and give you a clear, proactive plan, with no commitment and no hard sell.
What you’ll get from your review
- Uncover hidden IT & cyber risks
- Review your Microsoft 365 security posture
- Benchmark your current setup vs. best practice
- Identify inefficiencies and quick wins
- Proactive recommendations from senior engineers
- A clear, written 90-day improvement plan
OUTGROWN REACTIVE IT?
Break-fix IT is holding your business back.
Proactive management is the upgrade.
Reactive IT
The hidden cost of firefighting
- Recurring downtime that no one truly owns
- Slow response times when it matters most
- Cyber security treated as an afterthought
- Microsoft 365 deployed but never hardened
- No long-term IT roadmap or strategy
- Reactive break-fix billing with no
The ATS Approach
Proactive, secure & accountable
- Proactive monitoring across your entire estate
- <30 min response with named UK engineers
- Layered cyber defence built into every contract
- Microsoft 365 secured to Cyber Essentials baseline
- Quarterly strategic reviews with your account lead
- Predictable monthly retainer – full ownership
who we work with
Trusted by professional Sussex & UK businesses.
Industry-aware managed IT and cyber security for regulated, professional and people-led businesses.
Accountants
Solicitors
Construction
Recruitment
Estate Agents
Financial Services
Architects
Healthcare


