What Lindapter International does

Lindapter International, legally Lidget LLP, is a UK-based specialist manufacturer of steelwork clamping and connection systems, founded in 1934 and headquartered in Bradford, West Yorkshire. The company designs and produces a portfolio of mechanical connection products — Girder Clamps (including high-slip resistance variants such as Type AAF), the Hollo-Bolt expansion bolt for hollow structural sections, Rail Connections, Lifting Points, Floor Connections, Pipe/Conduit Supports, and Decking Fixings — that enable steel-to-steel assembly without on-site drilling or welding, thereby removing hot work permit requirements and shortening installation times. Sales are conducted through a global authorized distributor network spanning North America, Europe, the Middle East, and Asia-Pacific, supported by a direct technical support team offering free connection detailing by in-house engineers.

The commercial model is hardware sales of branded, certified components into five verticals: building and construction (primary), industrial, infrastructure (including data centres, airports, rail, bridges), energy (including nuclear and renewables), and MEP/building services. Pricing is set through authorized distributors and direct consultation rather than public list pricing. Products carry multiple independent approvals — ICC-ES, CE, UKCA, and a BSI-certified ISO 14001 environmental management system operated since 2010 — making the certification stack a meaningful component of the value proposition for safety-critical applications.

Lindapter's strategic positioning is anchored on three vectors: (1) geographic expansion, most recently a new USA warehouse in December 2025 to deepen North American channel reach; (2) vertical expansion into data centres via a dedicated brochure in February 2026; and (3) continued investment in digital specifier tooling (Girder Clamp Configurator, BIM/CAD libraries) and education channels (Lunch and Learn CPD sessions, webinars, presence at NASCC 2026 and the NCSEA Structural Engineering Summit). The company is privately held, employs 11-50 people, and has not disclosed revenue or outside funding.

Name

Lindapter International

Legal name

Lidget LLP

Website

https://lindapter.com

Company type

Private

Founded year

1934

Operating status

Operating

Headcount range

11–50 employees

Short description

Lindapter International is a UK-based specialist manufacturer, founded in 1934, of steelwork clamping systems and girder clamps used in construction, industrial, infrastructure, energy, and MEP projects worldwide, sold via a global authorized distributor network with direct engineering support.

Ownership category

akta.pro rank

Product category

Structural Steel Connection Hardware

NAICS

Bolt, Nut, Screw, Rivet, and Washer Manufacturing (332722)

SIC

Bolts, Nuts, Screws, Rivets & Washers (3452)

akta.pro primary industry

Fasteners, Anchors & Connectors (Bolts, Weld Studs, Plates) (IMADACAJ)

akta.pro secondary industries

Pipe Fittings, Couplings & Connectors (IMADALAD), Specialized Lifting Systems (Hydraulic Gantries, Strand Jacks, Jacking Systems) (IMAHAJAO), Plumbing Supports, Hangers & Seismic Bracing (IMADALAH)

Keywords

• Steel clamping systems
• Girder clamps
• Structural steel connections
• Hollow section bolting
• Steelwork fixing hardware

Headquarters

HQ city

Bradford

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Steel Connection Hardware Sales: Lindapter generates revenue through the manufacture and sale of steelwork clamping systems, girder clamps, and associated steel connection products. The company supplies products directly to customers through its global distributor network and provides technical support services including free connection detailing.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels8 records

Core offering

Lindapter International designs, manufactures, and supplies technical steelwork connection hardware — including Girder Clamps, Hollo-Bolt expansion bolts, Rail Connections, Lifting Points, Floor Connections, Pipe/Conduit Supports, and Decking Fixings — that provide a faster, cost-effective alternative to site drilling, welding, or through-bolting for structural steel applications. The company sells its products primarily through a worldwide network of authorized distributors while also providing free custom connection detailing services performed by experienced engineers.

Product overview

Lindapter International is a specialist manufacturer of technical steelwork connection systems. The product portfolio is organized as multiple distinct product lines under a unified brand, rather than a single platform: Girder Clamps serve as the flagship core product line for steel-to-steel connections; the Hollo-Bolt addresses hollow structural section connections; Rail Connections handle rail-specific applications; Lifting Points support lifting and rigging; Floor Connections address steel flooring; Pipe/Conduit Supports serve building services; and Decking Fixings provide silica-dust-free decking installation. All products share the common value proposition of eliminating the need for drilling or welding, enabling faster, safer steel connections with independent regulatory approvals.

Differentiator

Problem solved

Functional benefit

Products and services

• Girder Clamps Flagship product line of steel clamps that join two steel sections together, providing a faster, cost-effective alternative to site drilling or welding. Includes high-slip resistance variants (e.g., Type AAF) used in structural steel applications and supports adjustable alignment during installation.
• Hollo-Bolt Specialized expansion bolt connection solution for hollow structural sections (HSS), enabling safe and secure steel connections without the need for welding or through-bolting. Carries ICC-ES, CE, and UKCA approvals.
• Rail Connections Steel connection products designed for rail-related applications, enabling quick installation and adjustability of rail systems without drilling or welding.
• Lifting Points Safe and easy lifting solutions for steelwork, designed to facilitate lifting and rigging operations in construction and industrial environments without requiring welding.
• Floor Connections Efficient and secure connection solutions for steel flooring applications, enabling rapid installation without drilling or welding.
• Pipe / Conduit Supports Safe and strong connection solutions for pipe and conduit support applications within building services and MEP installations, supporting quick adjustment and non-destructive installation.
• Decking Fixings Steel decking fixings product line providing a zero-impact installation method that eliminates exposure to harmful silica dust typically generated by drilling into decking.

Quantifiable outcome

• 8x faster installation compared to site drilling and bolting

Named customers1 record

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Stanley Black & Decker: Stanley Black & Decker's fastening and infrastructure brands (including Powers and DeWalt) sell anchors and construction fasteners into the same end-user base. It is a broader incumbent with adjacent rather than directly overlapping clamp products.
• Hilti: Hilti is a global construction tools and fastening systems incumbent with a much broader portfolio including direct fastening, anchors, and modular supports. Its modular support and anchor lines partially overlap with Lindapter's Pipe/Conduit Supports and Decking Fixings categories.
• ITW (Illinois Tool Works): ITW owns multiple construction fastening and steel connection brands (including nVent ERICO and other fastener operations) and competes broadly in the same end markets. It is a broader incumbent rather than a direct clamp specialist but is highly comparable at the customer and specification level.

Emerging players

• Blind Bolt UK: Blind Bolt is a UK-based specialist in blind-fix bolt solutions for steel connections where access is restricted. It is an emerging specialist addressing a narrower use case that overlaps with Lindapter's Hollo-Bolt for hollow sections.

Direct peers

• HALFEN (Leviat, CRH): HALFEN, part of Leviat within CRH, produces steel-to-steel and steel-to-concrete connection systems including anchor channels and structural fixings. It competes with Lindapter in structural steel connection detailing for commercial and infrastructure projects.
• Ancon (Leviat, CRH): Ancon manufactures structural steel connections including girder clamps, shear studs, and rebar couplers under the Leviat/CRH umbrella. Its product set overlaps directly with Lindapter's Girder Clamp and Hollo-Bolt lines for structural steelwork.
• Kee Safety (Kee Klamp): Kee Safety manufactures Kee Klamp and Kee Lite structural pipe clamps and fittings used to build steel frameworks without welding or drilling. It directly parallels Lindapter's core proposition of clamp-based steel connections for construction and industrial applications.
• Unistrut (Atkore): Unistrut, owned by Atkore, manufactures metal framing channel systems and bracket-based connections used in MEP, data, and industrial applications. It is comparable to Lindapter's Pipe/Conduit Supports and Floor Connections lines for building services and structural support.
• Simpson Strong-Tie: Simpson Strong-Tie is a major manufacturer of structural connectors, fasteners, and anchors for construction, with comparable regulatory approvals and a similar specifier-driven sales motion. It competes directly with Lindapter in steel-to-concrete and steel-to-steel connection categories.

Regional players

• Lindapter Group / PFEIFER: PFEIFER is a European manufacturer of structural steel connections, lifting anchors, and concrete fastening systems. It is comparable to Lindapter in MEP/structural support products but is more regionally concentrated in German-speaking markets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/lindapter
• LinkedInlinkedin.com/company/lindapter-international

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

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 Lindapter International