Building firm leads in London, UK: business contact list

Where can I buy building firm leads in London?

LeadQuasar has 649 building firm businesses in London, United Kingdom — 648 with a phone number (99%), 543 with a website (83%) and 166 with a business email address (25%). Search and filter for free, unlock 50 leads a day at no cost, or go unlimited for $9.99/month. No list purchase and no annual contract.

Building firm leads in London: key facts

London's share of UK building firm businesses in LeadQuasar
87% (649 of 742)
Rank among UK regions for building firm
#1 of 3 regions with a page
Phone coverage
99% in London vs 98% across the United Kingdom

Reach building firm businesses across London. Unlock 50 leads a day free, and export straight to your CRM on Pro.

649
Businesses in London
99%
With phone
83%
With website
25%
With email

Who this list is for

This is a B2B list: every record is a business in our building firm category in London, UK. It is built for companies that sell to them, such as software and SaaS vendors, marketing and web agencies, recruiters, and suppliers or wholesalers.

Building firm leads in London

Real records from the live database, masked. Names and contact details unlock with a free account — 50 a day, no card.

Highest-scoring 12 of 649

Names and contact details unlock with a free account

  • Building firm businessConnected · quality 67/100

    London

    Unlock
  • Building firm businessStandard · quality 66/100

    London

    Unlock
  • Building firm businessStandard · quality 66/100

    London

    Unlock
  • Building firm businessConnected · quality 64/100

    London

    Unlock
  • Building firm businessConnected · quality 64/100

    London

    Unlock
  • Building firm businessConnected · quality 64/100

    London

    Unlock
  • Building firm businessConnected · quality 64/100

    London

    Unlock
  • Building firm businessConnected · quality 64/100

    London

    Unlock
  • Building firm businessConnected · quality 64/100

    London

    Unlock
  • Building firm businessConnected · quality 64/100

    London

    Unlock
  • Building firm businessConnected · quality 64/100

    London

    Unlock
  • Building firm businessConnected · quality 64/100

    London

    Unlock

Building firm leads in London at a glance

LeadQuasar building firm data for London, United Kingdom, updated 2026-10-30.
Total building firm businesses in London649
With a phone number648 (99%)
With a website543 (83%)
With a business email address166 (25%)
United Kingdom total742
Cities covered1
Largest cityLondon (649)
Most recent record update2026-10-15
Cost per leadFree — 50/day, or unlimited on $9.99/mo
Export formatCSV (CRM-ready)

Building firm leads in London by data quality

Every London building firm record is scored for completeness and placed in one of five data tiers, so you can see how much of the list carries contact details before unlocking anything. Tiers describe the data, not the price: each unlock counts once toward your 50 free a day, and Pro is unlimited for $9.99/month.

Lean · basic record1Standard · phone + website637Connected · email or LinkedIn11

Building firm leads by city in London

Cities in London holding building firm businesses:

London649

How to get building firm leads in London

  1. Step 1

    Search & filter

    Filter building firm businesses in London by city and data quality.

  2. Step 2

    Unlock the ones you want

    Reveal phone numbers, websites and emails where held — 50 a day free, unlimited on Pro.

  3. Step 3

    Export & reach out

    Save to a list and export to CSV for your CRM, cold email, or dialer.

Building firm leads in London — frequently asked questions

How do I get building firm leads in London?

Search LeadQuasar's 649 building firm businesses in London, United Kingdom (648 with a phone number (99%), 543 with a website (83%) and 166 with a business email address (25%)), then unlock 50 a day free with no card or unlimited on Pro for $9.99/month. On Pro, export them as a CSV for your CRM, cold-email tool or dialer.

Where can I buy building firm leads in London?

On LeadQuasar. We hold 649 building firm businesses in London — search them for free and unlock 50 leads a day at no cost. Pro is $9.99/month for unlimited unlocks and CSV export. No bulk list purchase, no annual contract.

Is there a London building firm email list?

Partly. 166 of the 649 building firm businesses in London (25%) include a business email address. Other channels reach further: 648 (99%) list a phone number and 543 (83%) a website.

How many building firm leads are there in London?

LeadQuasar holds 649 building firm businesses in London — 87% of the 742 we hold across the United Kingdom. 648 with a phone number (99%), 543 with a website (83%) and 166 with a business email address (25%).

How much does a building firm lead in London cost?

There is no per-lead charge. Searching is free, a free account unlocks 50 building firm leads a day with no card, and Pro removes the limit for $9.99/month — which also adds CSV export and the AI assistant.

Can I get building firm leads for all of the United Kingdom instead?

Yes — LeadQuasar holds 742 building firm businesses across the United Kingdom. The UK-wide building firm page breaks them down by region and city.

How current is the London building firm data?

This page is regenerated from the live database every 24 hours. The most recent update to a record in this list was on 2026-10-15. New building firm businesses in London are added as they are collected, and each is scored for completeness.

Building firm leads in other UK regions

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