Insights

Specialist Capabilities Phi Group specializes in gravity and reinforced soil retaining walls and offers integrated design, supply, and installation services, suggesting cross-selling opportunities with design-build projects and interfaces with piling and ground improvement works.

Parent Company Support Backed by Keller, Phi Group can leverage broader ground engineering solutions and resources to tackle complex multi-faceted projects, enabling upselling to clients requiring comprehensive retention and ground improvement packages.

Project Scale Readiness With project values spanning from small to large (£1,000 to £1m+), there is potential to target a wide range of civil engineering clients, including municipal, infrastructure, and private developments seeking scalable retaining wall solutions.

Market & Technology Fit The company’s technical stack and focus on robust ground engineering systems indicate opportunities to offer value through modern detailing, interface coordination, and efficient installation workflows in design-build bids.

Strategic Growth Signals Recent financing news for related Phi Group pursuits and the breadth of systems (Permacrib, Andacrib, Gabion, vegetated slopes) point to potential sales plays around sustainability-driven wall solutions and differentiated product offerings for green infrastructure projects.

Phi Group Tech Stack

Phi Group uses 8 technology products and services including Varnish, Fastly, Cloudflare CDN, and more. Explore Phi Group's tech stack below.

  • Varnish
    Caching
  • Fastly
    Content Delivery Network
  • Cloudflare CDN
    Content Delivery Network
  • Percona
    Database
  • jQuery
    Javascript Libraries
  • ZURB Foundation
    UI Frameworks
  • Apache
    Web Servers
  • AddThis
    Widgets

Phi Group's Email Address Formats

Phi Group uses at least 1 format(s):
Phi Group Email FormatsExamplePercentage
First.Last@phigroup.co.ukJohn.Doe@phigroup.co.uk
89%
Last@phigroup.co.ukDoe@phigroup.co.uk
11%

Frequently Asked Questions

What is Phi Group's phone number?

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You can contact Phi Group's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Phi Group's official website and social media links?

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Phi Group's official website is phigroup.co.uk and has social profiles on LinkedIn.

How much revenue does Phi Group generate?

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As of July 2026, Phi Group's annual revenue is estimated to be <$1M.

What is Phi Group's NAICS code?

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Phi Group's NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does Phi Group have currently?

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As of July 2026, Phi Group has approximately 51 employees across 4 continents, including EuropeNorth AmericaAsia. Key team members include Director: H. R.Operations Director: I. G.Marketing Director: V. J. G.. Explore Phi Group's employee directory with LeadIQ.

What industry does Phi Group belong to?

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Phi Group operates in the Civil Engineering industry.

What technology does Phi Group use?

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Phi Group's tech stack includes VarnishFastlyCloudflare CDNPerconajQueryZURB FoundationApacheAddThis.

What is Phi Group's email format?

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Phi Group's email format typically follows the pattern of First.Last@phigroup.co.uk. Find more Phi Group email formats with LeadIQ.
Phi Group logo

Phi Group

Civil EngineeringEngland, United Kingdom51-200 Employees

Phi Group operates as a specialist civil engineering subcontractor focused on the design, supply, and installation of gravity and reinforced soil retaining walls. Its wall systems cover gravity-based structures and reinforced soil solutions, which can feature vegetated slopes or gabion facings. Supported by its parent company Keller, Phi Group leverages a broad portfolio of retaining wall and ground engineering capabilities to tackle complex, multi-faceted projects.

Its services address civil engineering projects that require integrated design between ground improvement or piling works and the retaining structures above, including interface details with nearby constructions. Based in Cheltenham, England, the company presents itself as a mid-sized contractor capable of handling projects of varying scope.

Section iconCompany Overview

Phone number
NAICS Code
237 - Heavy and Civil Engineering Construction
Employees
51-200

Section iconFunding & Financials

  • <$1M

    Phi Group's revenue is estimated to be in the range of <$1M

Section iconFunding & Financials

  • <$1M

    Phi Group's revenue is estimated to be in the range of <$1M

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