UK B2B data built for reachability, not just record count.
Access UK business and contact data, human-verified direct dials, custom ICP research and enrichment built around the prospects your sales team actually needs to reach.
A UK B2B data provider built around usable data
A large database is only useful if it contains the companies, people and contact information your team can actually use. Cloudlead starts with the ICP, then sources, verifies and delivers the data around it.
The UK is a large B2B market, but it is overwhelmingly an SME market.
There were approximately 5.7 million private-sector businesses in the UK at the beginning of 2025, with the vast majority classified as small businesses.
That means a payroll platform selling to companies with 20–200 employees and an enterprise cybersecurity vendor targeting FTSE-scale organisations are working with completely different addressable markets.
Target beyond standard filters
Cloudlead can segment UK business data around criteria such as:
- Company size, industry and geography
- Job title, department and seniority
- Professional and firmographic information
- Target-account lists and known profiles
- Custom attributes that do not exist as standard database fields
Example brief:
Phone number found does not mean prospect reachable.
Most databases answer one question: “Do we have a phone number?”
Cloudlead is interested in the next question: “What happens when somebody actually dials it?”
Human-verification workflows can include physically dialling numbers and using call outcomes to help classify contact data rather than treating every populated phone field equally.
- Live pickup activity
- Confirmed voicemail information
- Current-role and contact checks
- Call outcome signals
- Human verification where extra confidence is required
Your real inventory is reachable prospects
A list of 5,000 phone numbers does not give your sales team 5,000 opportunities to speak with buyers.
Weak data forces reps to spend time on disconnected lines, switchboards, people who have moved companies and irrelevant numbers.
Better data shifts more of that time back towards actual conversations.
Read a customer case study →dial-to-connect rate
Oliver Knowles shared several days of calling performance using Cloudlead for data enrichment and human verification.
Measure what happens after the data leaves the spreadsheet.
Oliver called the broader dataset, including records categorised as possible connections, rather than only numbers that had previously been confirmed as pickups.
Oliver Knowles · Shared publicly on LinkedIn
Cloudlead currently reports 15% to 30% connect rates for verified direct-dial data depending on campaign conditions and segment, and has delivered more than 500,000 connected conversations through verification and outbound-data programmes.
Connect rates vary by audience, timing, dialling method, geography and campaign. They should be evaluated on a sample of your own ICP rather than treated as a universal guarantee.
British business culture tends to reward specificity over unnecessary hype.
There is no single “British buyer”, but outreach should not be completely geography-agnostic. UK professional communication often benefits from restraint, relevance and a clear reason for contacting someone.
“We're the world's most revolutionary AI-powered solution guaranteed to transform your sales organisation.”
“Noticed you're building the outbound team. We help sales teams improve the percentage of dials that actually reach the intended prospect. Worth comparing against what you're using?”
Clear relevance
Know why the company and contact belong in the campaign before the sequence starts.
Credible evidence
Use useful proof and clear business context instead of exaggerated positioning.
Concise outreach
Give prospects a straightforward reason to respond without overloading the message.
UK business data, contact sourcing and enrichment for multiple outbound use cases.
| Data category | Examples |
|---|---|
| Contact data | Name, role, seniority, work email, direct dial and mobile number |
| Company data | Company name, industry, employee range, location and firmographic information |
| Professional information | Current role, department, seniority and professional profiles |
| Outbound data | Verified phone data, call verification and contact bucketing |
| Data enrichment | Missing emails, phone numbers, company information and contact updates |
| ICP research | Bespoke criteria that cannot easily be selected using standard database filters |
| TAM research | Identifying UK companies and contacts matching a defined market |
| CRM enrichment | Updating incomplete, inaccurate or outdated CRM records |
You may not need another database.
You may already have thousands or millions of records inside Salesforce, HubSpot or another CRM. The problem is that those records do not remain static.
- A prospect changes companies
- A Sales Director becomes CRO
- A mobile number is missing or changes
- An email no longer validates
- A company grows into, or out of, your ICP
Enrich the data you already own
Cloudlead can add or refresh:
When five database filters are not enough.
Standard databases work well when your market can be described with standard fields. Real ICPs are often more complicated.
Business-model criteria
Identify companies operating with a particular commercial model or customer structure.
Niche market signals
Research organisations fitting qualitative characteristics that are not available as dropdown filters.
Complex combinations
Combine company, persona and research criteria to build the audience you actually want.
Compliance deserves more than a “GDPR compliant” badge.
UK organisations conducting B2B outbound need to consider both UK GDPR and the Privacy and Electronic Communications Regulations (PECR).
PECR can treat corporate subscribers differently from sole traders and some partnerships. Where personal data identifies an individual, UK GDPR can still apply.
Telephone outreach also has separate considerations, including previous objections and relevant screening requirements such as TPS and CTPS where applicable.
Buying data does not outsource compliance.
Your privacy or legal team should understand:
- Where the data came from
- What information is being processed
- How it will be used
- Which communication channel will be used
- Which rules apply to your outreach
- How objections and opt-outs are managed
This page provides general information and does not constitute legal advice.
Cloudlead's relationship with the UK goes back years.
Cloudlead attended the Sales Innovation Expo at ExCeL London in 2018 and has continued working with customers and outbound teams operating across the United Kingdom.
What to look for in B2B data providers in the UK.
A bigger database does not automatically make a better provider. Evaluate what happens after the record is purchased or exported.
Test your actual ICP
Give providers real target accounts or personas and compare what they return.
Separate company and contact coverage
Ten contacts at one company should not be described as ten companies.
Ask how phone data is verified
Sourced, inferred, validated and live-dialled numbers are not equivalent.
Measure connect rates
If calling matters, evaluate how many dials lead to real conversations.
Check current roles
A valid number for somebody who has changed companies is still bad sales data.
Measure cost per usable record
Cheap data becomes expensive when SDRs spend hours cleaning it.
More than another UK contact database.
Typical self-service database
- Select filters and export
- Primarily automated workflows
- Phone number present = data complete
- Standard database fields
- Buyer cleans the output
- Accuracy measured at field level
Cloudlead
- Start with the ICP
- AI-assisted + human research
- Phone verification available
- Custom research criteria
- Verification before delivery
- Outbound performance can be measured
Database scale with a human verification layer.
40M+ UK records
Business and contact data across a substantial UK dataset.
3M+ companies
Target organisations across industries, size bands and regions.
Human-verified direct dials
Increase confidence in telephone data with additional verification workflows.
AI-accelerated research
Use automation for speed while retaining human checks where judgement matters.
Custom ICP sourcing
Build audiences around criteria that standard filters cannot express.
CRM-ready enrichment
Refresh existing records and structure data for your revenue workflow.
Questions about UK B2B data providers.
What is a B2B data provider in the UK?
A B2B data provider supplies information about UK companies and business professionals for prospecting, sales outreach, account-based marketing, market research and CRM enrichment. This can include company information, work emails, professional data, direct dials, mobile numbers and custom attributes.
How much UK B2B data does Cloudlead have?
Cloudlead reports access to more than 40 million UK business and contact data records covering more than 3 million company records. Exact availability depends on the industries, company sizes, locations, job functions and contact fields required.
Does Cloudlead provide B2B contact data in the UK?
Yes. Cloudlead provides B2B contact data for UK companies, including professional information, work emails, direct dials and other fields depending on campaign requirements and availability.
Can Cloudlead provide UK mobile numbers and direct dials?
Yes. Direct-dial and mobile-number research is one of Cloudlead's primary use cases. Human verification and live dial activity can also be incorporated where appropriate.
Can Cloudlead enrich an existing UK prospect database?
Yes. Cloudlead can enrich existing prospect and CRM records with missing contact information, current-role data, company information and custom fields rather than requiring an entirely new database.
Can Cloudlead build a custom UK prospect list?
Yes. Customers can provide an ICP, target-account list, professional profile list or more detailed targeting criteria and Cloudlead researchers can source, enrich and verify the relevant contacts.
Is B2B data legal in the UK?
Businesses can use B2B data for commercial activities, but requirements depend on the organisation being contacted, communication channel, how personal data is processed and other circumstances. UK GDPR and PECR should both be considered, and organisations should review current ICO guidance for their specific use case.
What makes Cloudlead different from a typical UK B2B database?
Cloudlead combines AI-assisted research with human quality verification. Customers can provide an ICP, target-account list or set of profiles and ask Cloudlead to source, enrich and verify the required data rather than relying exclusively on self-service filters.
Stop buying records. Start measuring conversations.
Your SDRs do not need another enormous spreadsheet. They need the right prospects, at the right companies, with contact information they can actually use.