London's verified business network
Find trusted London B2B suppliers, verified from public records.
London B2B is the curated directory where London businesses find each other — accountants to couriers, lawyers to IT partners. Buyers search free; every listing is checked against the Companies House register.
Why London B2B
London has a million businesses. Finding the right one shouldn't take a week.
General directories mix consumer noise; global networks hide local depth. We focus on one city and verify every record from the official register, so buyers shortlist with confidence.
Sources: DBT Business Population Estimates 2025 (published October 2025); London Chamber of Commerce published member rates, 2026. Figures dated September 2026.
Browse by category
Ten categories, one city
From accounting to logistics — every listing is a London business serving other businesses.
Accounting & Tax
Bookkeeping, year-end accounts, VAT, R&D credits, and tax planning for London businesses.
Explore →Legal Services
Commercial contracts, company law, employment, IP, and dispute support.
Explore →IT & Software
Managed IT, cybersecurity, cloud, and custom software built for SMEs.
Explore →Marketing & Creative
Brand, digital marketing, SEO, content, and design for growth-stage firms.
Explore →Finance & Funding
Business finance broking, invoice funding, grants, and financial planning.
Explore →HR & Recruitment
Recruitment, HR retainers, payroll, training, and employment compliance.
Explore →How it works
Three steps from searching to shortlisted
Search or browse
Filter the directory by category and London borough. Every profile shows what the company does and where it is based.
Check the record
Each listing carries its Companies House verification status, and our free lookup tool checks any UK company in seconds.
Send one enquiry
Request a quote with a structured form. Your enquiry reaches one supplier directly — we never resell it to a crowd.
From the directory
Featured London businesses
A preview of the directory. The full launch dataset loads from the Companies House register — sample profiles below are illustrative.
Buyer's guides
Buy smarter, with checklists
How to choose an accountant for your London business
A practical checklist for comparing London accountants: fees, qualifications, software fit, and the questions to ask before you sign.
6 min read →Vetting a B2B supplier: a 20-minute check
Before signing a contract with a new supplier, run this fast public-record check — company status, financial signals, people, and references.
5 min read →Writing a quote request that gets accurate quotes
The structure of a good RFQ for B2B services: scope, constraints, evaluation criteria, and timelines that help suppliers quote realistically.
4 min read →Are you a London B2B supplier?
Claim a free verified listing while launch spots are open. No card, no commitment — one verified profile, seen by London buyers.