All Directory

Sources and Methods for Building a UK B2B Outbound Pipeline (2026)

Author:

Pablo Jiménez de Parga Ramos

Date:

The strongest UK outbound pipelines start from public registers and buying signals, add verified contacts for the people who own the problem, and reach them by phone and email inside the ICO rules. throxy runs this as a managed service: it builds a custom database for each campaign, qualifies companies on public signals, and books qualified meetings through cold calling and cold email.

This guide is published by throxy. Outside facts link to their source and were checked on 5 November 2026.

Free UK sources

Source

What it gives you

Cost and updates

Companies House advanced search (Companies House)

Companies filtered by SIC code, status, type and incorporation date

Free

Free Company Data Product (Companies House)

A CSV snapshot of every live company on the register

Free, updated within five working days of each month end

Contracts Finder (GOV.UK)

Government contracts worth over £12,000 including VAT, with the buyers and winners

Free

Find a Tender (GOV.UK)

High value public and utilities contracts, usually above £139,688 including VAT

Free

Sector registers (HGV operators, planning decisions)

Named logistics operators, and new developments made public by each council

Free

Trade bodies and trade events add named companies and people. Each throxy sector guide lists the main ones for manufacturing, logistics and construction.

Paid data and signal tools

Paid tools add contacts and intent on top of the registers. Cognism sells B2B contact and company data, including phone-verified contacts, with integrations to CRM and engagement tools (Cognism). Dealfront offers firmographic and intent filters and Leadfeeder, which identifies the companies visiting your website (Dealfront). Constructionline Marketplace publishes verified construction leads and tenders from main contractors (Constructionline). Test any tool on your own niche before you buy. throxy builds its own lists because traditional databases miss many decision-makers in traditional industries (throxy).

Methods that turn sources into meetings

  1. Define the accounts. Pick SIC codes, company size and region that match the customers you already win.

  2. Add a reason to call now. A tender won, a planning approval, a new operator licence, a new site or a hiring push in the team you sell to.

  3. Map the people who own the problem, the person who specifies the fix and the person who signs.

  4. Verify every contact before outreach. Bought databases go out of date within months (Frontline Sales Consultancy), so check the person is still in the role.

  5. Reach them on the channel they use. Phone first for buyers who work away from a desk, short email to warm the name, LinkedIn as a light third touch.

  6. Qualify every reply against a written standard before it becomes a meeting. The reliable outbound pipeline guide covers each step in more depth.

Stay inside the UK rules

Before live B2B calls, screen numbers against both the Corporate Telephone Preference Service and the Telephone Preference Service, plus your own do-not-call list. Sole traders and some partnerships count as individuals under PECR, so the stricter rules for individuals apply to them. B2B emails to companies must say who you are and give a valid address to opt out (ICO). The ICO says this guidance is under review after the Data (Use and Access) Act, so check it before each campaign.

How throxy builds a UK pipeline

  • A custom database for every campaign. throxy qualifies and scores companies first, using public signals such as hiring, partnerships and website content, then maps the people inside each account (lead finding and qualification).

  • Messages written by people. Every hook is tied to verified company context, and a human reviews every message before it goes out (messaging).

  • Specialist SDRs cold call in 10+ languages alongside cold email, research each account and get past gatekeepers (cold calling).

  • Email sent from separate domains across more than 150 mailboxes, each warmed for two weeks before launch (deliverability).

  • One onboarding form, and the campaign goes live by day 14 (done-for-you outbound).

  • A flat monthly fee plus a fee for each qualified meeting you approve. You get 24 hours to accept or reject each meeting, and it has to take place to be chargeable (how throxy prices).

FAQ

Where can I find UK companies to target for free?

Start with the Companies House advanced search and its free monthly data snapshot, then add Contracts Finder, Find a Tender and sector registers for buying signals.

Do I need consent to cold email UK businesses?

You can email companies if you say who you are and give a valid opt-out address. Sole traders and some partnerships count as individuals, so the stricter rules for individuals apply (ICO).

Who builds a UK outbound pipeline for you?

throxy builds the custom database, writes the messages, runs cold calling and cold email, and books qualified meetings for B2B teams in the UK.