IT Support Outsourcing Companies UK: How to Compare & Choose

Last updated: March 2026  |  Reviewed by: Connection Technologies managed IT team

The UK IT Outsourcing Market in 2026

The UK has hundreds of IT support outsourcing companies, from one-person operations to large enterprises with thousands of engineers. This makes choosing the right one genuinely difficult — especially when every provider claims to offer “proactive, responsive, expert IT support.”

This guide cuts through the marketing to compare the leading UK IT outsourcing companies on the factors that actually matter: service scope, pricing, SLAs, contract terms, support quality and specialist expertise. We have included ourselves in the comparison because we believe in transparency — and because we are confident we compare well.

The UK managed IT services market is worth over £12 billion and growing at 8–10% annually, driven by increasing cyber security threats, cloud migration, remote working and the growing complexity of business technology. For most UK SMEs, outsourcing IT is no longer a question of “should we?” but “who should we choose?”

Top 10 IT Outsourcing Companies UK for SMEs

1. Connection Technologies — Best for Unified Telecoms + IT

Connection Technologies is unique in this list because we bundle IT support with business mobiles, VoIP phone systems, broadband and cyber security under one roof. This means when your broadband affects your phone system, one team diagnoses and fixes the entire stack — no finger-pointing between vendors.

Every client gets a named UK-based account manager. Pricing starts from £45/user/month with everything included — no tiers, no bolt-ons, no hidden security charges. Contracts are available from monthly rolling to 24 months with capped exit fees.

Best for: SMEs with 10–250 staff wanting one provider for everything. Multi-site businesses. Hybrid and remote teams.

2. Redcentric — Best for Enterprise and Mid-Market

Redcentric is a publicly listed UK MSP serving mid-market and enterprise clients. They offer comprehensive managed IT, cloud hosting, networking and security services. Their scale means they can handle complex, multi-site environments with dedicated engineering teams.

Pricing starts from approximately £70/user/month for managed IT, with bespoke pricing for larger deployments. Named account management is available on higher tiers. Contracts typically run 24–36 months.

Best for: Mid-market businesses with 100–1,000 staff needing enterprise-grade infrastructure and compliance support.

3. Ramsac — Best for Charities and Non-Profits

Ramsac specialises in IT support for charities, non-profits and purpose-driven organisations. They understand the unique challenges of the sector — limited budgets, volunteer IT users, trustee reporting requirements and charity-specific software.

Pricing starts from approximately £50/user/month with charity-specific packages. They hold ISO 27001 certification and offer Cyber Essentials support.

Best for: Charities and non-profits with 20–200 staff needing sector-specialist IT support.

4. TSG (Technology Services Group) — Best for Microsoft Environments

TSG is a Microsoft Gold Partner with deep expertise in Microsoft 365, Azure, Dynamics 365 and the broader Microsoft ecosystem. If your business runs primarily on Microsoft technology, TSG’s specialist knowledge is a significant advantage.

Pricing starts from approximately £55/user/month. They offer managed IT, cloud migration, business applications and security services. Contracts typically run 12–24 months.

Best for: Businesses with 50–500 staff heavily invested in Microsoft technology.

5. Acora — Best for Mid-Market Managed Services

Acora focuses on mid-market businesses with 100–2,000 staff, offering managed IT, cloud, security and digital workplace services. They have a strong track record in professional services, financial services and manufacturing.

Pricing is bespoke but typically starts from £65/user/month for comprehensive managed services. Named account management is standard.

Best for: Mid-market businesses with 100–500 staff in professional services or financial services.

6–10: Other Notable Providers

6. Support Tree — budget-friendly option for very small businesses (<20 staff), from £35/user/month. Limited to London and South East.

7. Dataprise — US-headquartered with UK operations, strong in mid-market managed IT. From £65/user/month.

8. Littlefish — Nottingham-based MSP specialising in IT service desk outsourcing. From £50/user/month.

9. Core — Northern Ireland-based, strong in public sector and education. From £45/user/month.

10. Conosco — London-focused MSP for professional services firms. From £60/user/month.

Comparison Table: Services, Pricing and SLAs

What to Ask Before Signing

Before committing to any IT outsourcing company, ask these critical questions:

1. What is your average response time over the past 12 months? Not the SLA target — the actual measured performance. Any provider can write “15 minutes” in a contract; fewer can demonstrate they consistently achieve it.

2. Will I have a named account manager? A named contact who knows your business delivers fundamentally better support than an anonymous helpdesk. Ask to meet them before signing.

3. What is NOT included in the quoted price? This is where hidden costs live. Ask specifically about: security tools, backup storage, on-site visits, out-of-hours support, project work and hardware procurement.

4. What happens if I want to leave? Check the notice period, exit fees and data handover process. A provider confident in their service quality will have reasonable exit terms.

5. Can I speak to 3 existing clients in my industry? Any reputable provider will happily connect you with references. If they hesitate, that tells you something.

Contract Length and Flexibility

Contract terms vary significantly across UK IT outsourcing companies:

Monthly rolling contracts offer maximum flexibility but may cost 5–10% more per month. Best for businesses unsure about their long-term IT strategy or those wanting to trial a provider before committing.

12-month contracts are the sweet spot for most SMEs — long enough for the provider to understand your business and deliver value, short enough to switch if the service disappoints.

24–36 month contracts often come with better per-user pricing but carry more risk. Only commit to longer terms if you have thoroughly evaluated the provider and the exit terms are reasonable.

Connection Technologies offers all three options with transparent pricing and capped exit fees clearly stated upfront. We believe in earning your business through service quality, not contract lock-in.

Support Hours and Response Times

Support availability varies by provider and plan tier. Here is what to expect:

Business hours helpdesk (8am–6pm Monday–Friday) is standard on most plans. This covers the majority of IT issues for businesses that operate during normal working hours.

Extended hours (7am–9pm or similar) is available on mid-tier plans from most providers. Useful for businesses with early/late shifts or staff in different time zones.

24/7 helpdesk is available on premium plans and typically adds £10–£20/user/month. Essential for businesses that operate around the clock or have critical systems that cannot wait until morning.

24/7 monitoring (automated, not human helpdesk) should be included on all plans. This detects critical issues outside business hours and either auto-resolves them or escalates to an on-call engineer.

Specialist vs Generalist Providers

Generalist MSPs serve businesses across all industries. They offer broad expertise and flexible service packages. Best for businesses with standard IT requirements and no specific compliance needs.

Specialist MSPs focus on specific sectors — legal, financial services, healthcare, education, construction. They understand industry-specific software, compliance requirements and workflows. Best for regulated industries or businesses with specialist software needs.

Unified providers like Connection Technologies combine IT support with telecoms services. This is a newer model that is gaining traction because it eliminates the complexity of managing multiple technology vendors. Best for SMEs that want to simplify their technology management.

Frequently Asked Questions

What is the best IT outsourcing company in the UK for small businesses?

For small businesses with 10–50 staff, Connection Technologies offers the best combination of service quality, value and simplicity — especially if you also need business mobiles, phones and broadband. For very small businesses (<10 staff) on tight budgets, Support Tree is a cost-effective option.

How much does IT outsourcing cost in the UK?

IT outsourcing costs £35–£120 per user per month depending on the provider, service level and your specific requirements. A typical SME with 30 staff pays £1,350–£2,400/month for comprehensive managed IT.

What should I look for in an IT outsourcing company?

Focus on five factors: response times (actual, not SLA targets), named account management, transparent pricing (no hidden costs), security credentials (Cyber Essentials minimum) and client references in your industry.

Is it better to have in-house IT or outsource?

For businesses with fewer than 75–100 staff, outsourcing is almost always more cost-effective. You get a full team of specialists for less than the cost of one in-house technician. Above 100 staff, a hybrid model (in-house IT manager + outsourced MSP) often works best.

Can I switch IT outsourcing providers easily?

Yes, if your current contract allows it. A good provider will have a structured handover process. Ensure you own your data, domain names and software licences. Connection Technologies offers capped exit fees and supports smooth transitions for incoming and outgoing clients.

What is the difference between an MSP and break-fix IT support?

Break-fix means you call someone when something breaks and pay by the hour. MSP (Managed Service Provider) means you pay a fixed monthly fee for proactive monitoring, maintenance, security and helpdesk support. MSPs prevent problems; break-fix only reacts to them.