What Cisilion does

Cisilion is a UK-based private IT services and solutions company founded in 2000, operating across five interconnected solution pillars: Digital Workplace, Enterprise Infrastructure, Data & AI, Cybersecurity, and Cloud & Data Centre. The company delivers multi-vendor services and solutions built primarily on Microsoft and Cisco technology stacks, supported by 600+ vendor certifications across 50+ uniquely certified staff, 20+ years of Cisco partnership, and Microsoft Solutions Partner status with six Advanced Specializations. Cisilion serves enterprise and mid-market clients across financial services, legal, insurance, professional services, healthcare, and local government verticals, with 249+ customers in 70+ countries including British Land, Howard Kennedy, Fieldfisher, Willis Towers Watson, NHS, Legal & General, and Hillingdon Council.

The company monetises through four primary revenue streams: recurring managed services on multi-year contracts (24/7 proactive monitoring and support with tiered Gold/Monitor/React offerings), professional services for consultancy and project delivery, hardware sales (Microsoft Surface, HP, Dell, Lenovo devices with flexible Capex/Opex procurement), and Microsoft licensing optimisation through its Smart Procurement platform. Pricing is quote-based and not publicly disclosed; FinOps services operate on usage-based billing delivering 20-47% Azure spend reduction. Go-to-market combines direct enterprise field sales, Microsoft and Cisco co-sell motions, event-driven demand generation (Cisco Live, Microsoft-funded workshops), and a Cisilion Marketplace channel for mid-market deals.

Cisilion operates from a London headquarters (Heron Tower) and a Leatherhead, Surrey primary office (Cisilion House), with delivery supported by a 24/7 technical support team, Client Success management, and a Client Experience Centre demonstration facility in Leatherhead. Operational performance metrics include 97% average SLA adherence, 98% managed services renewal rate, 91% customer retention, an NPS of 60 in 2025, and ISO 27001 plus public sector framework compliance. The company is privately held with no disclosed funding rounds, parent company, or public listing.

Name

Cisilion

Legal name

Cisilion Limited

Website

https://cisilion.com

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

51–100 employees

Short description

Cisilion is a UK-based IT services and solutions provider delivering multi-vendor Microsoft and Cisco solutions across digital workplace, infrastructure, cybersecurity, cloud, and AI to 249+ enterprise and mid-market clients in 70+ countries.

Ownership category

akta.pro rank

Product category

IT Infrastructure Services

NAICS

Computer Systems Design and Related Services (54151), Computer Facilities Management Services (541513), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518)

SIC

Services-Computer Integrated Systems Design (7373), Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Programming Services (7371), Communications Services, Nec (4899)

akta.pro primary industry

Workplace Service Desk & Onsite Support (Deskside/Field Services, VIP Support) (BPAEAIAJ)

akta.pro secondary industries

Network Performance Management & Observability Services (BPAEAEAH), Data Center Operations & Managed Services (Remote Hands, NOC/SOC) (HDABANAA), IT Governance, Risk & Compliance (IT GRC) Platforms (HDAEALAK), Critical Infrastructure Protection (CIP) & NERC-CIP Compliance (HDADAJAC)

Keywords

• IT infrastructure services
• Managed IT services
• Enterprise cybersecurity
• Cloud migration services
• Digital workplace solutions

Headquarters

HQ city

Guildford

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Managed Services: Recurring managed services providing 24/7 proactive management, monitoring, and support across cloud, collaboration, networking, and security stacks. Includes tiered service options (Gold/Monitor/React) and dedicated Customer Success management.
2. Professional Services: Consultancy and project delivery services including technical consultancy, project management, and governance-led delivery for secure, modern IT implementations.
3. Device Sales and Deployment: Workplace device procurement and deployment including Microsoft Surface, HP, Dell, Lenovo devices with zero-touch provisioning via Autopilot and Whiteglove services. Offers flexible Capex/Opex purchasing models.
4. Microsoft Licensing Optimization: Smart Procurement platform and NCE cost assessment services helping organizations optimize Microsoft licensing agreements, ensuring flexibility, compliance, and cost efficiency.
5. FinOps and Cloud Cost Management: Cloud cost optimization services delivering visibility, control, and measurable savings across Azure and multi-cloud environments through governance-led approach.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels6 records

Core offering

Cisilion delivers enterprise IT infrastructure services and solutions built primarily on Microsoft and Cisco technologies. The company provides end-to-end engagement across Digital Workplace, Enterprise Infrastructure, Data & AI, Cybersecurity, and Cloud & Data Centre pillars, combining professional consulting and project delivery with recurring 24/7 managed services. Offerings are rounded out by Microsoft licensing optimisation, FinOps cloud cost management, and workplace device procurement and deployment.

Product overview

Cisilion is an IT services and solutions provider operating as a unified platform-plus-modules architecture. The company offers five interconnected solution pillars: Digital Workplace (covering contact centre, meeting rooms, devices, and Microsoft licensing), Enterprise Infrastructure (encompassing perimeter security, campus networking, and observability), Data & AI (comprising Copilot & generative AI, governance, data foundations, and agents & machine learning), Cybersecurity (spanning identity & access management, secure access, SIEM & XDR, cloud & AI security, and threat protection), and Cloud & Data Centre (including data platforms, FinOps, Azure Virtual Desktop, and multi-cloud services). These are supported by managed services, professional services, and technical support capabilities. The portfolio integrates deeply with Microsoft (Azure, Microsoft 365, Teams, Copilot, Sentinel, Defender, Entra) and Cisco (Webex, Meraki, Catalyst, DNA Center, ThousandEyes, Secure Access) ecosystems, complemented by third-party integrations including Yealink, Nerdio, Palo Alto Networks, and Fortinet. Delivery is enabled through strategic partnerships with over 1,717 technology partners and a global footprint spanning 70+ countries.

Differentiator

Problem solved

Functional benefit

Products and services

• Managed Services 24/7 proactive managed services for enterprise IT environments covering incident, problem, change, event, and vulnerability management, offered in tiered Gold/Monitor/React service options with continuous improvement and client success advocacy.
• Professional Services Consulting and project delivery services covering technical consultancy, project management, and governance-led deployment for secure, modern IT implementations on Microsoft and Cisco technology stacks.
• Digital Workplace Comprehensive solution for secure, collaborative, and sustainable digital workplaces enabling hybrid work, smart spaces, and advanced collaboration through Microsoft Teams and Cisco Webex integration.
• Enterprise Infrastructure Secure, reliable, and scalable connectivity backbone integrating networking, security, and compute resources for modern organisations worldwide.
• Data and AI Solutions Comprehensive AI enablement solution helping organisations harness data and AI responsibly through Microsoft Copilot, generative AI, governance, data foundations, and agents and machine learning capabilities.
• Cybersecurity Enterprise-grade cybersecurity protecting systems, networks, and data from digital threats through tailored strategies and advanced security solutions.
• Cloud and Data Centre Hybrid and cloud migration solutions leveraging Azure expertise for scalability, resiliency, and innovation, with complete lifecycle services from assessment through optimisation.
• Devices and Smart Procurement Workplace device strategy, procurement, and deployment covering Microsoft Surface, HP, Dell, and Lenovo with zero-touch provisioning via Autopilot and Whiteglove services under flexible Capex/Opex purchasing models.
• Microsoft Licensing Optimisation (Smart Procurement) Smart Procurement platform and NCE cost assessment services helping organisations optimise Microsoft licensing agreements, ensuring flexibility, compliance, and cost efficiency, with cloud cost reductions up to 47%.
• Contact Centre AI-powered, multi-channel customer engagement platform delivering connected experiences through omnichannel communications, workforce optimisation, and contact centre without boundaries, leveraging Cisco Webex Contact Centre Specialisation.
• Meeting Rooms Collaborative meeting space solutions from personal booths to board rooms, featuring Microsoft Teams Rooms, Cisco Collaboration, integrated AV hardware, and smart AI-driven features.
• FinOps Cloud Cost Optimisation Cloud cost management providing visibility, control, and measurable savings across Azure with comprehensive resource analysis, strategic optimisation, and governance, delivering typical savings of 20-30% and up to 47% within the first optimisation cycle.
• Azure Virtual Desktop and Windows 365 Modern end-user computing with Azure Virtual Desktop and Windows 365 Cloud PC managed through Nerdio Manager for automated deployment, autoscaling, and governance.
• Technical Support Always-on 24/7x365 technical support delivering incident, problem, change, and event management with proactive problem detection and multi-vendor expertise, achieving 97% average SLA adherence.
• Client Success Customer experience management service ensuring continuous value through relationship management, business objective alignment, financial oversight, service improvement, and health scoring, complemented by the Cisilion Pulse customer experience measurement platform.

Quantifiable outcome

• 47% saving across optimised cloud resources and licences
• +7 more outcomes

Named customers14 records

Segments6 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration57 records

AI capability14 records

Feature5 records

Partnerships

Five partnerships are on record, tiered core, strategic and minor.

• MicrosoftcoreTechnology or IntegrationMicrosoft Solutions Partner with advanced specializations in Calling for Microsoft Teams, Meetings and Meeting Rooms, Infrastructure & Database Migration, and Collaboration. Provides co-selling opportunities, Microsoft-funded workshops, and access to technical resources and certifications.
• CiscocoreTechnology or IntegrationCisco Gold Certified Partner with Cisco 360 Preferred and Portfolio designations across cloud, networking, security and collaboration portfolios. 20+ years of partnership with verified capability across all five Cisco 360 portfolios.
• PerformantastrategicStrategic or Co-development PartnerStrategic cyber security partnership delivering Microsoft-aligned cyber security services that reduce risk, improve visibility, and strengthen security operations.
• Focus CollaborationminorImplementation/ SI/ Consulting PartnerPhysical installation partner for meeting room deployments, working with Cisilion engineers for configuration and testing.
• Marketplace Technology PartnersminorChannel Partner/ Reseller/ DistributorPartnership with various technology vendors including Fortinet, Palo Alto, HP, Dell, and Lenovo for device and security solutions distribution.

Scale indicators16 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Bytes Software Services: UK corporate reseller and IT services provider focused on software licensing, cloud, and security. Comparable in vendor-aligned, mid-market-to-enterprise UK sales motion and licensing optimisation offerings.
• ANS Group: UK-based managed cloud and digital transformation specialist with a heavy Microsoft Azure focus. Closely comparable to Cisilion's cloud, data centre, FinOps, and managed services practices for UK enterprise customers.
• Trustmarque: UK IT services and solutions business with Microsoft and Cisco alignment delivering managed services, cloud, and workplace solutions. Similar mid-market and enterprise UK customer base and vendor-led motion to Cisilion.
• Softcat: UK-listed IT reseller and infrastructure specialist with a strong Microsoft and Cisco go-to-market. Highly comparable to Cisilion on vendor-aligned workspace, networking, and security solutions targeted at UK mid-market and enterprise.
• Computacenter: UK-listed enterprise IT infrastructure and managed services provider with Microsoft and Cisco partnerships. Closest large-scale direct peer to Cisilion, serving similar enterprise and mid-market customers across UK and Europe with infrastructure, workplace, and managed services.
• SCC: European-headquartered IT services and solutions provider with strong Microsoft and Cisco practices. Comparable across managed services, workplace, infrastructure, and security engagements for enterprise and public sector customers.

Broad incumbents

• CDW UK: UK arm of global IT solutions and services provider, delivering workplace, infrastructure, and managed services. Comparable UK enterprise customer profile and vendor-aligned solution design to Cisilion but at materially greater scale.
• Capgemini: Global systems integrator with significant Microsoft and cloud practices including managed services. Comparable at an offering-level on data & AI, workplace, and managed services, but competes primarily on larger transformation mandates than Cisilion's sweet spot.
• Bechtle: European-headquartered IT systems integrator and managed services provider with broad portfolio across workplace, networking, security, and cloud. Comparable offering breadth to Cisilion but with much larger scale and geographic footprint.
• Insight Enterprises: Global solutions integrator with deep Microsoft and Cisco practices spanning workplace, infrastructure, data and AI, and managed services. Overlaps Cisilion across most pillars but at significantly greater scale and global reach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@cisilionmarketing/podcasts
• Xx.com/cisilion
• Facebookfacebook.com/teamcisilion
• LinkedInlinkedin.com/company/28377

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Cisilion