123 Technology. Your IT, sorted.
Central London's most trusted managed service provider - delivering proactive, enterprise-grade IT support to discerning businesses since 2004.
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Your Trusted Technology Partner Since 2004
For over two decades, 123 Technology has been the IT partner of choice for London's most demanding organisations. We combine the personalised attention of a boutique firm with the technical capabilities of a major enterprise — giving you the best of both worlds.
We understand that technology underpins everything your business does. That's why we don't just fix problems — we prevent them, so you can focus on what matters most.
Based in the heart of Mayfair, we serve clients across Central London, building long-term relationships founded on trust, transparency, and results.
150+
Clients Served
20+
Years' Experience
Our Services
Comprehensive Solutions for Modern Businesses
From infrastructure management to cybersecurity, we deliver end-to-end IT support tailored precisely to your organisation.
Help Desk Support
Expert technical support whenever you need it — rapid response times, first-call resolution, and a team that actually speaks your language.
Cybersecurity Protection
Advanced threat detection, firewall management, and layered security protocols keeping your business safe from evolving cyber threats.
Cloud Solutions
Seamless migration, management, and optimisation of Microsoft 365, Azure, and Google Workspace — making your team more productive wherever they work.
Backup and Disaster Recovery
Comprehensive data protection strategies ensuring business continuity even when the unexpected happens.
Strategic IT Consulting
Forward-thinking technology planning aligned with your business goals — helping you invest wisely and stay ahead of the curve.
24/7 Network Monitoring
Round-the-clock surveillance of your systems, so issues are identified and resolved before they ever reach your desk.
Why Choose Us
Boutique Service. Enterprise Expertise.
Personalised Attention
We take the time to understand your business intimately, delivering bespoke solutions rather than off-the-shelf packages.
Proactive Management
We don't wait for things to break. Our continuous monitoring and preventive maintenance keep disruptions from ever reaching you.
London-Based Expertise
Based in Mayfair, we understand the unique challenges of London businesses — and we're on your doorstep when you need us.
99.9%
Uptime Guaranteed
The 0.1% keeps us up at night, not you
900s
<15 Min Response
Critical issues resolved fast
Industries We Serve
We Speak Your Language
From financial services to creative agencies, we deliver tailored IT solutions that meet the unique demands of your sector.
Financial Services
Secure, compliant IT infrastructure for VC, PE and Hedge Funds - built to meet the strictest regulatory standards.
Family Offices
Discreet, secure solutions for family offices managing private affairs, with absolute confidentiality and the highest standards of professionalism.
Creative Agencies
High-performance systems supporting design, media production, and collaboration — keeping creative teams working at full speed.
Real Estate
Robust technology solutions for property managers and development firms managing portfolios across London.
Professional Services
Reliable IT for consultancies, headhunters, and professional services firms requiring seamless day-to-day operations.
Foundations and Trusts
We keep charitable foundations secure, compliant, and supported — so they can focus on their impact, not their infrastructure.
Our Approach
We Resolve Issues Before You Notice Them
Most IT firms wait for something to break, then charge you to fix it. We do things differently.
The result? Fewer disruptions, lower costs, and complete peace of mind for your business.
What We Monitor
  • System performance, connectivity, and capacity
  • Security threats, vulnerabilities, and software updates
  • Storage integrity, backups, and user access
The Outcome
  • Fewer disruptions to your operations
  • Lower total cost of IT ownership
  • Complete peace of mind, 24/7/365
Client Testimonials
Real Results from London Businesses
"They go far beyond day-to-day support — from designing and implementing robust infrastructure to proactively managing every aspect of our IT. Genuinely exceptional."
— EA, FTSE CEO
"I have worked with 123 Technology for over a decade. Their consultants saved my firm tens of thousands of pounds. They are hands-down the best in the business."
— CFO, European Asset Manager
"I have never experienced better or more consistent customer service excellence, always delivered with warmth and professionalism."
— Founder, Communications Consultancy
Our Team
Professionals Dedicated to Your Success
Behind every successful IT partnership is a team of passionate, certified professionals committed to your business outcomes.
Technical Excellence
Our team holds industry-leading certifications, ensuring best-practice delivery across every engagement.
Collaborative Approach
We work as a seamless extension of your team, aligning technology with your broader business objectives.
Accessible Support
We communicate in plain English. No jargon. No confusion. Just clear, practical guidance when you need it most.

Technology evolves rapidly — and so do we. Our team invests continuously in training and professional development to keep your business at the cutting edge.
Free Assessment
Book Your Free IT Assessment
No Obligation. Real Value. Discover how 123 Technology can transform your IT infrastructure with a complimentary assessment from one of our senior consultants.
1
Schedule Your Assessment
Contact us to arrange a convenient time — we work around you.
2
Comprehensive Evaluation
We analyse your systems, security posture, backup procedures, and identify any vulnerabilities or inefficiencies.
3
Receive Your Report
A clear, actionable report with findings, recommendations, and a technology roadmap tailored to your business.
4
Tailored Proposal
A bespoke managed services proposal designed specifically for your requirements and budget.
What's Included
  • Network infrastructure review
  • Security vulnerability assessment
  • Backup and disaster recovery evaluation
  • Performance optimisation opportunities
  • Cost-benefit analysis
  • Technology roadmap recommendations
Fast Turnaround
Most assessments are completed within 2–3 business days, with minimal disruption to your operations.
Contact Us
Let's Talk About Your IT
Whether you're facing a specific technology challenge or simply want to explore how managed IT services could benefit your business, we'd love to hear from you.
📞 Telephone
020 7060 9123
✉️ Email
help@123technology.co.uk
📍 Address
8 Shepherd Market, Suite 234, London W1J 7JY
🕐 Office Hours
Monday – Friday, 08:00–18:00
Emergency support available 24/7/365 for existing clients
Ready to Get Started?
Take the first step towards IT that just works.
Book your free, no-obligation assessment today and discover what 20+ years of London IT expertise can do for your business.