Insights

Strategic Partnerships System Five is part of the 4energy group and maintains partnerships with major building controls players such as Trend Controls, Honeywell, Distech, Tridium, Johnson Controls, Delta, and iSMA Controlli. This positions them to cross-sell integrated BEMS solutions and access a broader customer base through established brands.

Comprehensive BEMS Offering With capabilities to handle projects of all sizes, a dedicated service department offering 24/7 emergency response, and a project team able to design systems from scratch or adapt from drawings, there are multiple opportunities to upsell maintenance contracts, retrofits, and ongoing optimization services.

Facilities Management Synergy Recent activity includes collaboration with facilities management teams on network upgrades and riser removal, signaling a potential footprint in FM-led projects and opportunities to offer ongoing monitoring, network modernization, and resilience upgrades to landlord or tenant clients.

Financial Scale Current revenue is in the 1 to 10 million USD band and the company employs a mid-market size team. This suggests opportunities for mid-tier, repeat-business contracts, multi-site rollouts, and scalable service packages tailored to growing facilities portfolios.

Market Positioning Operating in building construction with a focus on BEMS and backed by notable industry associations, System Five can leverage credibility to target property developers, facility managers, and building owners seeking compliant, energy-efficient, and reliable BEMS deployments and maintenance.

Similar companies to System Five

System Five Tech Stack

System Five uses 8 technology products and services including WordPress, MySQL, Google Workspace, and more. Explore System Five's tech stack below.

  • Content Management System
  • MySQL
    Database
  • Font Awesome
    Font Scripts
  • Chart.js
    Javascript Graphics
  • Really Simple Discovery
    Miscellaneous
  • PHP
    Programming Languages
  • prettyPhoto
    Web Tools And Plugins

System Five's Email Address Formats

System Five uses at least 3 email formats:
System Five Email FormatsExamplePercentage
First.Last@s5controls.netJohn.Doe@s5controls.net
91%
First@s5controls.netJohn@s5controls.net
9%
First.Last@4energygroup.netJohn.Doe@4energygroup.net
100%

Frequently Asked Questions

What is System Five's official website and social media links?

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System Five's official website is 4energygroup.net and has social profiles on LinkedIn.

How much revenue does System Five generate?

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As of August 2026, System Five's annual revenue is estimated to be $1M - $10M.

What is System Five's NAICS code?

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System Five's NAICS code is 236 - Construction of Buildings.

How many employees does System Five have currently?

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As of August 2026, System Five has approximately 25 employees across 3 continents, including Europe, Africa and Asia. Key team members include Director: T. B., Technical Director: I. D. and Director & Design Engineer: P. W. Explore System Five's employee directory with LeadIQ.

What industry does System Five belong to?

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System Five operates in the Building Construction industry.

What technology does System Five use?

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System Five's tech stack includes WordPress, MySQL, Google Workspace, Font Awesome, Chart.js, Really Simple Discovery, PHP and prettyPhoto.

What is System Five's email format?

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System Five's email format typically follows the pattern of First.Last@s5controls.net. Find more System Five email formats with LeadIQ.

When was System Five founded?

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System Five was founded in 2004.
System Five logo

System Five

Building ConstructionEngland, United Kingdom11-50 Employees

System Five, founded in 2004 and based in Wickford, in the East of England, operates within the building construction sector as part of the 4energy group. It focuses on building energy management systems (BEMS) across projects of all sizes, helping building owners and facilities teams improve energy performance. Its service department provides ongoing support to keep BEMS functioning optimally, including around-the-clock emergency response, while the projects department handles new builds and refits, either from traditional specifications or by designing systems from the ground up.

System Five maintains partnerships with a range of controls manufacturers, including Trend Controls, Honeywell, Distech, Tridium, Johnson Controls, Delta Controls, and iSMA Controlli. As part of the 4energy group, the company aligns with industry associations such as the Building Controls Industry Association. A recent development within the group involved a partnership with CTS Ltd to upgrade the network backbone and remove obsolete risers, signaling ongoing collaboration on facility infrastructure.

Section iconCompany Overview

NAICS Code
236 - Construction of Buildings
Founded
2004
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    System Five's revenue is estimated to be in the range of $1M - $10M

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