Steel Build

What Steel Build does

Steel Build Ltd is a UK-based specialist steel fabrication subcontractor delivering bespoke balconies, architectural metalwork, and structural steel for construction projects. The company operates from a purpose-converted Colmworth manufacturing facility certified to BS EN 1090 Execution Class 3 with UKCA approval, controlled welding procedures, and full material and weld traceability. Its integrated service model spans in-house design through manufacturing, on-site installation, and aftercare, addressing the compliance, programme-certainty, and coordination pain points of UK main contractors on residential, commercial, and mixed-use builds.

The company's go-to-market is sales-led, targeting enterprise main contractors and property developers through tenders and framework agreements rather than resale or distribution channels. Revenue is project-based: manufacturing and installation are typically bundled as a single subcontract package, with aftercare providing a smaller recurring tail. Named customers include Morgan Sindall, Wates, Telford Homes, Higgins Partnership, Mulalley, and O'Shea, with notable projects spanning the Baltimore Tower, Capital Interchange Way, and Regents Wharf schemes. Sub-brands Balcony Bella and Aorta Range add branded product positioning in balconies and sustainability-themed architectural metalwork respectively.

The firm employs 11-50 staff, has no disclosed external investors or parent company, and reports cumulative scale metrics of 320 completed projects, 1,588 tonnes of manufactured steel, and 5,670 balcony installations. Operational sustainability is positioned as a differentiator, with 355 roof-mounted solar panels powering the facility, Science-Based Targets commitments, and BREEAM Excellent outcomes on signature projects. Distribution is UK-only, with no public pricing, marketing automation, or app-based delivery channel.

Name

Steel Build

Legal name

Steel Build Ltd

Website

https://steelbuildltd.com

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

11–50 employees

Short description

Steel Build Ltd is a UK-based specialist steelwork subcontractor designing, manufacturing, and installing bespoke balconies, architectural metalwork, and structural steel for enterprise main contractors and property developers across residential and commercial construction projects.

Ownership category

akta.pro rank

Product category

Structural Steel Fabrication

NAICS

Fabricated Structural Metal Manufacturing (332312), Plate Work and Fabricated Structural Product Manufacturing (33231), Sheet Metal Work Manufacturing (332322)

SIC

Fabricated Structural Metal Products (3440), Sheet Metal Work (3444)

akta.pro primary industry

Steel Plate, Sections & Welded Assemblies (IMADACAD)

akta.pro secondary industry

Metal Cladding, Soffits & Trim (Non-Panel Components) (IMADACAM)

Keywords

• Structural steel fabrication
• Architectural metalwork
• Balcony systems
• BS EN 1090
• Steel installation services

Headquarters

HQ city

Bedford

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Bespoke Steel Manufacturing: Design, fabrication, and supply of bespoke balconies, architectural metalwork, and structural steel components for construction projects. Revenue is project-based, typically as a subcontract package within larger construction contracts.
2. Installation Services: Professional installation of steel structures, balconies, railings, and architectural metalwork on construction sites. Typically bundled with manufacturing as part of complete project delivery.
3. Aftercare Services: Ongoing support and maintenance services to ensure long-term performance of installed steel structures, providing recurring revenue opportunities post-installation.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Steel Build designs, manufactures, and installs bespoke balconies, architectural metalwork, and structural steel for UK construction projects. It operates a UKCA-approved manufacturing facility in Colmworth with BS EN 1090 Execution Class 3 (EXC3) capability, providing an end-to-end service from initial design support through fabrication, professional site installation, and ongoing aftercare.

Product overview

Steel Build is a steel fabrication company offering an end-to-end service from design through manufacturing to installation. The core product portfolio includes three main offerings: (1) Balcony Bella, a bespoke balcony system; (2) Structural steel fabrication up to Execution Class 3; and (3) Architectural metalwork including features like bridges and staircases. These products are supported by four service pillars: Design, Manufacturing, Installation, and Aftercare. The company operates a UK-based UKCA-approved manufacturing facility.

Differentiator

Problem solved

Functional benefit

Brands

• Balcony Bella: Bespoke balcony system product line
• Aorta Range

Products and services

• Balcony Bella Bespoke balcony system featuring glass balustrade options and architectural metalwork integration, designed, manufactured, and installed by Steel Build for residential developments and main contractors.
• Structural Steel Structural steel fabrication and installation services up to Execution Class 3 (EXC3) per BS EN 1090, including secondary structural steels for construction projects, supplied to main contractors.
• Architectural Metalwork Custom architectural metalwork including feature pedestrian bridges, staircases, railings, louvres, pergolas, and decorative steel elements for building facades and public spaces, supplied to main contractors and property developers.
• Design Services In-house design service providing custom steel structure design tailored to client specifications across various industries, delivered as part of Steel Build's end-to-end offering.
• Manufacturing Services UK-based steel fabrication performed in a controlled manufacturing environment with quality control procedures, controlled welding procedures, and full traceability of materials.
• Installation Services Professional on-site installation of steel structures, balconies, railings, and architectural metalwork, fully compliant with UK building regulations.
• Aftercare Services Ongoing post-installation support and maintenance service to ensure long-term performance of installed steel structures and metalwork.

Named customers6 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators6 records

Recent moves5 records

Expansion highlights4 records

Market position

Competitive moat4 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/steelbuildltd
• LinkedInlinkedin.com/company/steel-build-ltd

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 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 Steel Build