GCI

What GCI does

Nasstar is a UK-based managed IT services and cloud solutions provider founded in 1999 and headquartered in Wakefield, West Yorkshire. The company delivers a portfolio of managed services, cloud migration, cybersecurity, secure networking, and digital transformation services built primarily on the Microsoft technology stack (Azure, Microsoft 365, Copilot, Teams, Entra, Fabric, Foundry, and OpenAI), complemented by Cisco and Fortinet networking and security capabilities and Databricks for advanced data engineering. A wholly-owned subsidiary, Colibri Digital, focuses on Digital Engineering for mission-critical applications and data transformation.

The company serves mid-market and enterprise organizations across eight named verticals: Legal, Manufacturing, Energy & Utilities, Healthcare, Retail, Local Government, Professional Services, and Education. Publicly referenced customers include the South Yorkshire Mayoral Combined Authority (public sector transport transformation), the University of Glasgow (legacy system transformation for students and staff), and Wiggin (legal-sector Azure migration). The 780+ staff operate a direct enterprise field-sales motion augmented by long-tenured partner channels with Microsoft (10+ years), Cisco (20+ years), Fortinet (15+ years), AWS, and Databricks. Geographic focus is the UK and Ireland.

Nasstar monetizes through three primary revenue streams: recurring managed IT services with 24/7/365 support, project-based professional services for cloud and AI transformation, and subscription-based Microsoft cloud solutions. Pricing is quote-based and tailored to enterprise requirements on annual billing cycles, with no public pricing tiers disclosed. The company is incorporated as a private limited company in the United Kingdom with no public listing, no disclosed private equity backing, and no disclosed revenue figure in the source data.

Name

GCI

Legal name

Nasstar

Website

https://gcicom.net

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Nasstar is a UK-headquartered managed IT services and cloud solutions provider founded in 1999, serving mid-market and enterprise customers across Legal, Manufacturing, Energy & Utilities, Healthcare, Retail, Local Government, Professional Services, and Education with Microsoft-centric cloud, security, networking, and AI services delivered via a 780+ staff enterprise field-sales model.

Ownership category

akta.pro rank

Product category

Managed IT Services

NAICS

Computer Systems Design and Related Services (54151), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)

SIC

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

akta.pro primary industry

Collaboration & Unified Communications Management (UCaaS/VoIP) (BPAEABAK)

akta.pro secondary industries

Strategy & IT Advisory (BPAEAAAA), Workplace Service Desk & Onsite Support (Deskside/Field Services, VIP Support) (BPAEAIAJ)

Keywords

• Managed IT services
• Microsoft cloud solutions
• Cyber security services
• Digital transformation consulting
• Hybrid workforce enablement

Headquarters

HQ city

Lincoln

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Managed IT Services: Recurring managed services providing pro-active IT support and infrastructure management with 24/7/365 availability
2. Professional Services: Consulting and implementation services for cloud migration, digital transformation, and AI adoption
3. Microsoft Cloud Solutions: Cloud infrastructure and software solutions delivered through Microsoft partnership

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

GCI (Nasstar) provides managed IT services, cloud solutions, and digital transformation consulting to UK enterprises and public-sector organizations. Its core offerings include Microsoft Cloud, Microsoft Modern Work, Microsoft Data & AI, Secure Networks, Cyber Security & Compliance, Digital Engineering, and Managed IT Services delivered with 24/7/365 support. Services span cloud migration, hybrid workforce enablement, AI adoption, and operational technology security across eight industry verticals.

Product overview

Nasstar is a specialist technology partner offering managed IT services and cloud solutions. The company's portfolio consists primarily of service offerings organized around Microsoft technologies (Microsoft Cloud, Microsoft Modern Work, Microsoft Data & AI), security services (Secure Networks, Cyber Security & Compliance), and digital engineering capabilities. Nasstar operates as a managed services provider where it builds, manages, and supports technology solutions for clients across industries including Legal, Manufacturing, Energy & Utilities, Healthcare, Retail, Local Government, Professional Services, and Education. The company also has a specialist division called Colibri Digital for digital engineering services.

Differentiator

Problem solved

Functional benefit

Brands

• Colibri Digital: Digital Engineering powerhouse division of the Nasstar Group

Products and services

• Managed IT Services Pro-active managed IT support delivered with a 24/7/365 support team for organizations seeking better business outcomes through outsourced IT operations.
• Microsoft Cloud Cloud infrastructure and platform services delivered as a Microsoft Partner for over 10 years, helping organizations with cloud and AI adoption.
• Microsoft Modern Work Workplace productivity services powered by Microsoft 365, Copilot, Teams, and Entra to enable flexible hybrid work environments.
• Microsoft Data & AI AI transformation services leveraging Microsoft Fabric, Foundry, Copilot, and OpenAI to unlock data value and automate business processes.
• Secure Networks Network connectivity, protection, and modernization services including Operational Technology security and Industrial IoT cybersecurity for enterprise and industrial environments.
• Cyber Security & Compliance 24/7/365 security monitoring and compliance services providing proactive threat detection and protection for enterprise customers.
• Digital Engineering Data transformation services for mission-critical applications, delivered as a cloud-powered and AI-ready capability through the Colibri Digital division.

Named customers3 records

Segments8 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Four partnerships are on record, tiered core.

• MicrosoftcoreTechnology or IntegrationMicrosoft Partner for over 10 years. Delivers Azure cloud, M365, Copilot, Teams, Entra, Fabric, Foundry, and OpenAI solutions. Core technology partner enabling AI-ready infrastructure and cloud transformation.
• CiscocoreTechnology or IntegrationPartner for over 20 years. Provides secure networking solutions and connectivity infrastructure for enterprise customers. Long-standing relationship in networking technology.
• FortinetcoreTechnology or IntegrationPartner for 15+ years. Delivers cyber security and secure networking solutions. Provides firewall, network security, and protection services.
• AWScoreTechnology or IntegrationAWS Partner providing cloud infrastructure solutions. Enables multi-cloud strategies and AWS-based deployments alongside Microsoft Azure offerings.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• ANS Group: UK-based cloud, managed services, and digital transformation provider with deep Microsoft Azure expertise. Highly comparable on Microsoft-first positioning, managed services model, and UK enterprise and public-sector focus.
• SCC: European-headquartered IT services provider with substantial UK operations offering managed services, workplace, networking, and security. Comparable enterprise IT services portfolio and Microsoft partner status.
• Trustmarque: UK mid-market IT services and managed services provider (formerly Capita-owned, now independent). Closely comparable in scale, Microsoft-led cloud transformation offering, and UK enterprise and public-sector customer base.
• Bytes Technology: UK IT services and software licensing provider focused on Microsoft, security, and cloud solutions. Closely aligned with Nasstar on Microsoft-centric delivery, UK enterprise customer base, and channel partnerships.
• Phoenix Software: UK IT solutions provider specializing in Microsoft, cloud, and security services. Comparable mid-market UK IT partner with similar Microsoft-centric delivery and enterprise customer focus.
• Softcat: UK FTSE-listed IT infrastructure and services provider with strong Microsoft and Cisco partner relationships. Comparable as a UK-focused mid-market and enterprise IT partner, with similar Microsoft-led go-to-market and channel-led sales motion.
• Littlefish: UK managed IT services and cybersecurity provider. Smaller-scale peer with similar managed services and 24/7 support model targeting UK enterprise customers.
• Computacenter: Largest UK-headquartered IT services provider offering managed services, cloud, workplace, and security solutions to enterprise and public-sector customers. Directly comparable in vertical exposure (especially UK public sector and enterprise) and Microsoft-centric delivery model, though materially larger in scale.
• Daisy Corporate Services: UK managed IT, cloud, and connectivity provider serving enterprise and public-sector customers. Comparable on managed services, networking, and security portfolio with UK-domestic focus.

Broad incumbents

• Bechtle: Largest European-headquartered IT services and product provider with broad managed services, cloud, and security capabilities. Comparable on managed services and Microsoft portfolio but operates at much larger pan-European scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/gci-com

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

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 GCI