Secure, Resilient IT for London Businesses

Over 20 years delivering secure, compliant, and reliable IT systems

We partner with London firms to deliver IT systems that don’t just run – they defend. From proactive monitoring to compliance alignment, we make your technology trustworthy.

Our Mission:
To be a great company

Being a great company starts with people who want to be here.

Our mission is to create an environment where everyone enjoys working as part of a team, feels valued, and takes pride in the impact they make.

We talk about our values every day – Care, Growth, Team, and Humility – and we hold ourselves accountable to them. They guide how we work together and how we serve our clients.

On Monday mornings, we want our team to feel motivated, confident, and proud to represent Support Tree.

Support Tree team collaborating in a London office environment

From Break-Fix to Business Critical: Two Decades of Evolution

Support Tree’s story began in 2002 with one clear mission: to make technology reliable for London’s growing businesses. Over two decades, we’ve evolved from a break-fix IT provider into a trusted cybersecurity and cloud partner – enabling secure, compliant, and resilient operations for financial, real estate, and professional firms across the city.

November 5th 2002

From one client on a bike to a trusted name in London IT

Support Tree started in 2002 with one engineer and a simple goal: to help small and mid-sized London firms get dependable IT that just worked. That personal, hands-on approach laid the foundation for what would become a trusted managed IT and cybersecurity partner known for reliability, care, and measurable results.

April 21st 2004

Expanding services to strengthen reliability and protection

By 2004, Support Tree’s growing client base needed more than quick fixes - they needed resilience. We expanded our services to include network security, data backup, and proactive monitoring, helping businesses move from reactive IT support to dependable, always-on operations. This shift marked the beginning of our journey toward managed cybersecurity.

October 11th 2005

A new chapter of leadership and growth

Neil Denning joins as the second team member, bringing fresh energy and a strong belief in proactive, people-first IT. A keen cyclist like founder James, he helped expand Support Tree’s reach across London - keeping businesses running smoothly while setting the foundation for future scale and innovation.

June 4th 2007

First major client partnership established

Support Tree secures its first enterprise-scale client in the hospitality sector, cementing its reputation as a trusted IT partner. This milestone proves the team’s ability to deliver consistent uptime, responsive support, and measurable reliability for demanding business environments.

December 3rd 2010

Investing in smarter technology and automation

With remote monitoring and automation on the rise, Support Tree begins investing heavily in advanced management tools. The need to cycle on-site becomes rare as the team transitions to proactive, data-driven support - solving issues before they impact clients.

May 23nd 2018

Rebranding to reflect our evolution

The company rebrands as Support Tree, introducing a new name and identity to better represent our mission: delivering secure, proactive, and resilient IT. The new brand strengthens recognition in the London market and positions us as a trusted partner for firms that depend on uptime, compliance, and security.

July 1st 2019

Recognised for service excellence

Support Tree achieves national recognition as runner-up in the Service Desk Institute Awards, a reflection of our team’s relentless focus on responsiveness, quality, and client satisfaction. The recognition validated our belief that great IT support is built on people, process, and partnership.

January 25th 2020

Expanding into Managed Detection and Response (MDR

Support Tree launches Managed Detection and Response services, integrating real-time monitoring and 24/7 threat remediation into our managed support framework. This marks our evolution from IT partner to cybersecurity guardian - protecting clients from emerging digital risks while enabling business continuity.

December 5th 2022

A new chapter: Support Tree 2.0

After two decades of shared success, founder James transitions to new ventures, and Neil Denning - Support Tree’s first employee - steps into the role of CEO. This milestone marks the beginning of Support Tree 2.0: a renewed focus on innovation, cybersecurity leadership, and service excellence built on the same values that defined our journey from the start.

June 7th 2023

Recognised among the UK’s NextGen 100

Support Tree is named one of the UK’s NextGen 100 managed service providers, highlighting our commitment to continual improvement, emerging technology, and exceptional client outcomes. This recognition reflects not just our technical capability but our dedication to building a secure, sustainable future for our clients.

March 07th 2024

Strengthening Cyber Resilience Through Partnership

Support Tree enhances its managed security offering with strategic partnerships across MDR, Microsoft 365 security, and compliance automation. This expansion reflects our continued mission to keep clients secure, compliant, and confidently connected in an evolving risk landscape.

October 02nd 2025

Founding Member of Assurix

Support Tree becomes a founding member of Assurix - a collective of leading cybersecurity-focused MSPs dedicated to raising the standards of protection and assurance across the UK. Joining this initiative reinforces our long-standing commitment to proactive security, trusted collaboration, and measurable business resilience.

The Support Tree Values

Our four core values are the foundation of how we work, lead, and grow. They guide daily decisions, shape how we treat one another, and define how we show up for our clients.

Over eight years ago, our leadership team sat down with every member of the company to identify the traits that truly represented who we were at our best. What emerged wasn’t invented – it was discovered. After every conversation, one truth became clear: our success has always been rooted in people who care deeply, stay humble, work smart, and never stop growing.

Growth

We believe in continuous improvement. Whether it’s learning new skills, earning certifications, or stepping outside your comfort zone, growth is both a personal and professional responsibility. It’s how we stay ahead of change and help our clients do the same.

Care

We take pride in the quality of our work and the relationships behind it. Care means doing the right thing for clients, supporting teammates, and ensuring every interaction builds trust. It’s about empathy, excellence, and delivering outcomes that make a genuine difference.

Humility

We recognise that no one has all the answers. True strength lies in staying open - to feedback, to learning, and to others’ expertise. We celebrate contributions, admit when we need help, and remain grounded no matter how far we grow. Humility keeps us teachable, connected, and trusted.

Team

We succeed together. Every goal, every challenge, every client win depends on collaboration and respect. We back each other, communicate openly, and hold ourselves accountable. By valuing every individual’s strengths, we create a team that’s stronger, smarter, and more resilient than any one of us alone.

The Support Tree Team

Looking Ahead

As technology evolves, so do we. Our focus remains on enabling secure growth for financial and professional services firms through intelligent automation, AI integration, and continuous improvement in cybersecurity. The next chapter for Support Tree is about deepening trust and leading transformation – one client partnership at a time.

Neil Denning

CEO

I grew up in a family business that did coach hires. From a young age, I was already answering phone calls, fixing customer issues and clean the coaches – talk about humble beginnings! It was just part of my life to keep things running smoothly and give excellent service. Anyway, I always had a dream of starting my own business and becoming a leader, which is exactly why I picked up the CEO mantle in 2018.

These days, my passion is personal growth – for myself, my family, and our team. As CEO, my role is critical in promoting personal growth and creating a company that’s a great place to work. By staying true to our company values, we can continue to foster a supportive and productive environment where everyone can thrive.

Arunsri Denning

Head of Finance

I grew up in Thailand before coming to the UK to go to university. My father was an officer in the Thai Royal Air Force so I grew up surrounded by organisation and precision.

I’ve taken that knowledge into my role at Support Tree as Head of Finance. Organisation and precision is key to the business as a whole and I take pride in always aiming to improve our side of the business.

My role is to ensure our finances are in a healthy shape and to provide the data through financial reporting for the business to make the right decisions at the right time.

Liza Ackin

Finance Manager

I grew up working in my family’s grocery shop back in Trinidad and loved meeting all our loyal customers (now long-life friends). At the end of the day,

I’d help my mum count the pennies and balance the accounts! Now at Support Tree, I love the flexibility my role offers, the team that are always willing to support each other and the opportunities to improve my skill sets within the IT industry.

With everything that we do, personally or in business, a finance role is always key… it’s the lifeblood of any business! My role is to ensure client and supplier invoices and payments are accurate, consistent, and timely. I am also here to ensure the day-to-day admin finance tasks are correctly up to date which then assists the management team to do what they do best!