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Find premium construction project leads

Stop wasting time on expired construction tenders and dead ends. Gain access to verified construction project leads, exclusive openly advertised tenders, and direct invitations to tender to help your subcontractor business win more work and build profitable partnerships. 

An illustration of a digital "Opportunities Board" interface for the "Once for All Marketplace," showcasing several premium and bookmarked construction project leads, such as "Climate Innovation" and "Demolition Works." The page is framed by two small character illustrations: a man in the top right and a woman in a cap on the side.

Access over 15,000+ Invitations To Tender sent each month

What’s the difference between our construction industry lead sources?

By consolidating multiple public and private sources into one platform with Marketplace, we eliminate the need for you to spend hours searching the internet. We provide construction lead generation that helps you secure your next job faster, connecting you directly with the main contractors who need your specific trade. 

With input from five trusted channels, including our expert, UK-based research team, we deliver public and private construction project leads in one place. 

Diagram showing a marketplace sourcing premium leads from exclusive work packages, EOIs, and market intelligence, plus public leads from tenders and planning.
ITTs logo representing exclusive openly advertised tenders and Invitations to Tender.

Exclusive openly advertised tenders – Invitations to Tender (ITTs) 

These are live opportunities where main contractors are actively seeking subcontractors to submit pricing. You can review the tender information and request access to submit your quote directly through our platform. 

EOIs logo representing Expressions of Interest packages direct from main contractors.

Packages direct from main contractors – Expressions of Interest (EOIs)

These act as early announcements from verified main contractors looking to attract potential supply chain partners before formal opportunities arise. By registering your interest, you can connect early and secure a spot in a main contractor’s network for upcoming construction projects. 

MI logo representing verified construction projects and Market Intelligence leads

Verified construction projects – Market Intelligence Leads (MI) 

These are private opportunities verified directly with main contractors by our expert Market Intelligence UK-based team. You get access to the most accurate pre-tender information, including direct contact details for main contractors and estimators, allowing you to reach out and get added to their supply chain. 

How Premium Leads can help take your business further

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Access to exclusive work packages not found on any other lead website

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In 2025 alone, we verified and published £200bn+ in construction opportunities, so you can trust the scale and quality. 

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Filter searches, set alerts, and never miss an opportunity with Marketplace. 

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Access direct contact details for every premium lead to connect faster and win more work. 

What is Marketplace

Marketplace is the go-to resource for construction main contractors and subcontractors, connecting trade professionals publishing work with those seeking it. Included in our Marketplace-only membership and as part of a subcontractor compliance memberships, it helps you find relevant construction project leads near you and across the UK. 

Marketplace enables main contractors to target subcontractors using unique criteria unavailable on any other platform, helping them connect with the right partners to build supply chains tailored to the needs of their customers, projects, and organisation. 

With over 500,000 leads available on the platform, Marketplace streamlines your construction lead generation. 

A laptop displaying a digital "Opportunities board" interface, featuring listings for various premium construction jobs and projects.

What is included in Marketplace

An illustration of a digital "Opportunities Board" interface for the "Once for All Marketplace," showcasing several premium and bookmarked construction project leads, such as "Climate Innovation" and "Demolition Works." The page is framed by two small character illustrations: a man in the top right and a woman in a cap on the side.

 Access leads exclusive to our platform, including ITTs, EOIs as well as public tenders, and planning applications.

A vector illustration shows a man with a laptop viewing a "MARKET INTELLIGENCE" dashboard. The screen displays "Newly Added Projects," filters, a summary of projects across regions, and a purple pie chart categorising project types.

Full of construction lead data, dashboards and insights to help you find work, including contact details for main contractors and estimators. 

Our strong relationships with key contractors, built on trust over many years, means that our leads are verified to an unmatched level of accuracy.

Subcontractors can rely on us to help them find projects they can tender for today.

Headshot of Siobhan Harris, head of market intelligence at constructionline
Siobhan Harris
Head of Market Intelligence

How to view our premium opportunities

Finding and responding to premium construction leads is a straightforward process:

1
Navigate to the Opportunities Board on Marketplace and search for your specific work category or trade.
2
Filter your search results by selecting “Premium” to display verified MI, ITT, and EOI opportunities.
3
Click on any opportunity that interests you to view the full project details and requirements.
4
Depending on the lead type, request access to submit pricing, register your interest, or contact the main contractor directly.
Illustration of a woman using a laptop to explore premium construction job opportunities on the Once For All platform with a magnifying glass.
Flat illustration of a man in a hard hat and suit shaking hands with a man in a business suit.

How to respond to an Expression of Interest (EoI)

This acts like a way of seeing which subcontractors could be available to work on an upcoming project, where specifics are still being confirmed. 

You can search for EOIs in the search bar by the main contractor’s name, by typing ‘EOI’, or by the work packages you’ve set your profile alerts to. 

If you see an opportunity you’re interested in click on ‘Register interest’. 

Learn more about how to use the Opportunities Board to your advantage:

Discover the latest construction projects near your with Marketplace

Learn how to find the latest Construction leads like a pro with our informative webinar!

How to find UK Construction Leads: A day in the life of a Market Intelligence Researcher

Join Sophie Bayles, Senior Market Intelligence Researcher at Once For All, where she shared a typical day on how she finds construction leads, which are then published on Premium Leads and Market Intelligence within the Once For All platform.

Win more work: Master tendering with our webinar

New to tendering and not sure where to start? Join our expert-led webinar designed to help construction businesses confidently find and win more work. Discover how to identify the right opportunities, write stronger bids, and avoid common tendering mistakes with practical advice from industry specialists.

Win more construction work with Marketplace

Discover verified construction project leads, exclusive tenders, and direct opportunities from main contractors across the UK.

Marketplace helps subcontractors save time, find relevant work faster, and build profitable supply chain partnerships.

Exclusive ITTs & EOIs
Verified Market Intelligence leads
Smart opportunity alerts
UK-wide coverage across trades and sectors

Complete the form to speak with our team.

Frequently asked questions

Marketplace is designed for both main contractors and subcontractors, making it easy to find and secure relevant construction leads across the UK. 

Find out more 

Our research team updates Marketplace daily with verified construction leads from a wide range of sources.

You get access to premium private leads (MI, ITT, EOI), public tenders, and planning applications.

We bring the work to you: through Premium Leads, we provide you with all the information you need, including pre-tender construction projects. Our Market Intelligence app shows you the number of projects published in certain regions, including contact details so you can reach out directly and secure your next construction lead. 

Yes, Marketplace lets you filter leads by region, sector, project value, and specific trades to match your needs.

All contact details for premium leads are verified by our Market Intelligence team for accuracy.

Simply sign up to Marketplace, set your preferences, and start accessing construction leads that match your business.

Ready to take your construction business to the next level?

Join Marketplace today and unlock access to premium project leads, powerful tools, and expert support. Start finding the right opportunities for your business, sign up now and see the difference Marketplace can make.