Serving businesses across Ascot, Bracknell, Windsor, Sunningdale, and the SL5 postcode area — our certified UK engineers provide on-site IT support within 45 minutes.
🕒 Core Hours: 8:00am – 6:00pm Mon–Fri (Extended & weekend cover available by contract).
📊 View Full Live Telemetry & Helpdesk Dashboard →Proactive, accredited technical support designed to protect your network, support your employees, and scale your business operations.
Complete proactive monitoring, network administration, and desktop helpdesk services to eliminate downtime and boost productivity.
Rapid response for critical server outages, network failure, ransomware attacks, or corrupt data stores across Berkshire.
Seamless migration from legacy systems or Google Workspace to Microsoft 365, SharePoint cloud storage, and Teams communications.
Comprehensive multi-handset inspection for company iPhones and Android devices to detect hidden spyware, audit app permissions, and enforce UK GDPR compliance.
Improperly configured SPF, DKIM, or DMARC DNS records cause legitimate corporate emails to land in spam folders or expose your domain to spoofing attacks. Test your domain security records instantly with our free diagnostic tool at tcp123.com.
Unmanaged IT failures cost UK businesses thousands in lost employee productivity. Move the slider below to visualise your potential savings with TCP123 Managed IT Support.
Real-world problem-solution records from Ascot, Sunningdale, and surrounding Berkshire commercial districts.
Everything local Berkshire businesses need to know about our managed IT support services.
Yes — TCP123 UK is based in Ascot, Berkshire (SL5 postcode area) and provides on-site managed IT support, emergency incident handling, and cloud migration services to businesses throughout Ascot, Sunningdale, Sunninghill, Bracknell, Windsor, and the wider Thames Valley. Our field engineers can be on-site within 45 minutes of your call.
For clients in the Ascot and SL5 area, our guaranteed on-site SLA is under 45 minutes from confirmation of dispatch. For remote helpdesk support, we provide a 15-minute initial response target during core business hours (8:00am – 6:00pm, Monday to Friday). Emergency out-of-hours dispatch is available to contract clients.
Our managed IT support packages start from £35 per device per month, covering unlimited helpdesk tickets, proactive patching, endpoint security monitoring, and a dedicated account engineer. Use our interactive quote calculator above to generate an accurate estimate for your team size and requirements. There are no lock-in contracts.
Absolutely. We specialise in zero-downtime Microsoft 365 cloud migrations for Berkshire businesses, including mailbox migration, SharePoint deployment, Teams setup, and Multi-Factor Authentication (MFA) configuration. We typically complete migrations for teams of up to 50 users over a single weekend to avoid any disruption to your working week.
Yes — all TCP123 UK field engineers visiting your Ascot or Berkshire premises are 100% DBS (Disclosure and Barring Service) checked, UK-based, and trained to handle sensitive business environments. We are fully aligned with UK GDPR and ICO data protection requirements.
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Over 68% of Berkshire businesses endure slow or unresponsive IT companies simply to avoid the dread of a messy handover. Here is our exact 3-step guarantee:
Our certified engineers quietly audit your Microsoft 365 tenant, user licences, firewall configs, and workstation inventory without contacting your current IT company prematurely.
Scammers email authentic-looking DocuSign or supplier invoice notices embedding a dynamic QR code. Scanning on personal mobile phones routes through an Adversary-in-the-Middle (AiTM) proxy, capturing active Microsoft 365 login sessions without triggering SMS password alerts.
login.microsoftonline.com domains.All TCP123 UK Managed IT clients are protected by automated Anti-Phishing Guardrails, Microsoft Entra Conditional Access policies, OAuth application whitelisting, and continuous session token anomaly monitoring.