AAT Systems Ltd IT Infrastructure · Managed Services · Consultancy
UK IT Services Provider · Est. 2004

Resilient IT for organisations that can't afford downtime.

Security-first infrastructure, managed services, and honest consultancy — delivered with clear documentation and long-term support.

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98 Edgehill Road
Chislehurst, Kent BR7 6LB

020 8144 4004

Est. 2004
Over 20 years in business
24/7
Infrastructure monitoring
365d
Continuous backup assurance
UK-based
Chislehurst, Kent
ISO-aligned
Security-first delivery
What we do

Services

End-to-end IT services for UK businesses and organisations — from day-to-day managed support through to strategic infrastructure projects.

Managed IT Services

Proactive monitoring, patch management, backup verification and responsive support — keeping your systems healthy day to day.

Infrastructure & Networking

Secure server deployments, enterprise networking, VPN solutions and documented network improvements built to last.

Microsoft 365 & Cloud

Exchange Online, SharePoint, OneDrive and Entra ID — governance, migration and ongoing administration across the full M365 stack.

Consultancy & Projects

Infrastructure audits, technology roadmaps, resilience planning and IT due diligence — vendor-neutral advice you can act on.

How we operate

Approach

Principled delivery that puts security, clarity and long-term partnership above quick fixes.

How we work

  • Security-first configuration on every engagement
  • Clear, maintained documentation as standard
  • Sensible automation to reduce human error
  • Vendor-neutral advice aligned to your interests
  • Structured communication and honest reporting

Typical outcomes

  • Improved system stability and uptime
  • Fewer recurring incidents and support tickets
  • Verified, reliable backup and recovery posture
  • Reduced operational and compliance risk
  • A cleaner, better-documented IT environment
Common questions

Frequently Asked Questions

Quick answers to the questions we hear most — from how we work to keeping yourself safe online.

How can I stay safe online?+

Online threats such as phishing, ransomware and identity fraud affect individuals and businesses alike. We've published a comprehensive Web Safety Guide covering practical advice on passwords, email safety, keeping children safe online, and securing your business.

The guide also includes links to trusted UK resources including the National Cyber Security Centre, Action Fraud and the UK Safer Internet Centre.

What areas do you cover?+

We provide on-site support across South East London and North Kent, including Chislehurst, Bromley, Bexley, Greenwich, Sidcup, Orpington, Dartford and surrounding areas. Remote support is available nationwide — most day-to-day issues can be resolved without a site visit.

Do I need a support contract?+

No. We offer flexible options including pay-as-you-go support with no long-term commitment. That said, clients on managed service agreements benefit from proactive monitoring, priority response and lower hourly rates. We're happy to discuss which model suits your situation.

How do I get remote support?+

Click the Remote Support button at the top of this page to launch a secure remote session. Alternatively, download Splashtop SOS and share the session code with us over the phone. Both methods use encrypted connections to keep your data safe.

What are your charges?+

Our full schedule of charges, including hourly rates, call-out fees and payment methods, is published on our Charges & Payments page. We believe in transparent pricing — no hidden fees or surprise invoices.

Do you support home users as well as businesses?+

Yes. While our core focus is business IT support, we also help home users with repairs, upgrades, data recovery, virus removal, network setup and general troubleshooting. The same professional standards apply regardless of the size of the job.

Can you help with Microsoft 365 setup and management?+

Absolutely. We handle the full lifecycle — from initial migration and licence provisioning through to ongoing administration, security configuration and user support. See our Microsoft 365 page for licensing tiers and management options.

Can I get a report on my Microsoft 365 environment?+

Yes. We offer a Microsoft 365 health and configuration report that reviews your tenant setup, licence usage, security posture and best-practice alignment. Visit our M365 Reporter page for more details on what's included and how to request a report.

How quickly can you respond to an issue?+

For managed service clients, we aim to acknowledge critical issues within 30 minutes and begin remediation promptly. Pay-as-you-go support is handled on a best-efforts basis, typically within the same business day. Call 020 8144 4004 for urgent requests.

Can't find what you're looking for? Get in touch — we're always happy to help.

Documentation

Policies & Downloads

Our key governance documents, available for clients and prospective partners.

Privacy Notice PDF Customer Charter PDF Abuse Policy PDF Complaints Procedure PDF Information Security Policy (Summary) PDF
Get in touch

Contact

Reach us directly for support enquiries, new project discussions or general questions.

Address

98 Edgehill Road, Chislehurst, Kent BR7 6LB

Telephone

020 8144 4004

Email

enquiries@aatcs.com

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Data & Privacy

Privacy Notice

This notice explains how AAT Systems Ltd collects and uses personal data, your rights, and how to contact us. It reflects the information the ICO expects organisations to provide.

1) Who we are (Data Controller) and how to contact us+

AAT Systems Limited (Trading As AAT Computer Solutions) acts as the data controller for the personal data described in this notice. Registered office: Lockheed House, Green Lane Business Park, New Eltham, London SE9 3TL. Company number: 5121667. Operating address: 98 Edgehill Road, Chislehurst, Kent BR7 6LB. ICO registration number: A8262215.

Data Protection Officer: Anthony O'Doherty. Contact: 98 Edgehill Road, Chislehurst, Kent BR7 6LB. Tel: 020 8144 4004. Email: enquiries@aatcs.com.

2) Information we collect+

The personal data we may collect includes:

  • Name
  • Date of birth
  • Home address
  • Personal email / Business email
  • Telephone number(s)
  • IP address(es)

We may collect data via online contact, service delivery (e.g. data backup, retention/archiving), verbally (telephone or face-to-face), and photographic records where applicable.

3) How we use your personal data (purposes and lawful basis)+

We process personal data to meet legal, statutory and contractual obligations and to provide products and services. We do not collect unnecessary data and do not process it beyond what is described in this notice.

  • Contract / service delivery: to perform a contract or provide a service and ensure orders/services can be completed.
  • Legal obligation: to meet business accounting and tax requirements.
  • Legitimate interests (where applicable): we may send occasional non-intrusive marketing information where assessed as beneficial and aligned with legitimate interests; you can object at any time.
4) Sharing, third parties and security+

We do not share or disclose personal information without consent, except where required for the purposes set out in this notice or where there is a legal requirement. Where third parties process data on our behalf, they do so under our instructions and appropriate confidentiality and security measures.

Safeguarding measures may include SSL/TLS, encryption, restricted access, authentication controls, firewalls, anti-malware, intrusion detection and event log management.

5) International transfers+

We do not transfer or store personal data outside the EU except where explicit permission has been obtained to do so.

6) Data retention+

We retain personal data only as long as necessary. For tax law purposes, we may keep basic personal data (name, address, contact details) for a minimum of 6 years, after which it is destroyed.

7) Your rights+

You have rights to request access to your personal data and information about processing, including:

  • What data we hold, why we process it, and who we share it with
  • Correction of inaccurate or incomplete data
  • Erasure or restriction (where applicable)
  • Objecting to direct marketing
  • Data portability (where applicable)

To protect your data, we may request identity verification before acting on a rights request.

8) Marketing+

If you have consented to marketing, you can withdraw consent at any time. If marketing is processed under legitimate interests, you can object at any time.

9) Cookies+

This website is designed to be brochure-style and does not intentionally use analytics or advertising cookies. Some hosting or security features may use strictly necessary mechanisms to keep the service operating safely. You can control cookie behaviour via your browser settings.

10) Complaints+

If you are unhappy with how we process personal data, you have the right to lodge a complaint with the UK supervisory authority: Information Commissioner's Office (ICO), Wycliffe House, Water Lane, Wilmslow, Cheshire, SK9 5AF. Tel: 0303 123 1113 (local rate) or 01625 545 745.