Frequently Asked Questions

Everything you need to know about Corpdata and our B2B marketing data services.

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About Corpdata

Who we are and what makes us different.

Who is Corpdata?

Corpdata Ltd is the UK's leading B2B marketing data services company, founded in 1992 and based in Teignmouth, Devon. For over 30 years we have supplied accurate, targeted business lists to professional marketers across the UK. Our reputation is built on a commitment to quality, accuracy, and exceptional customer service.

What does Corpdata do?

We supply B2B marketing data compiled specifically for direct marketing. This includes email lists, mailing lists, and telemarketing lists covering UK businesses across all industries. We also offer data enhancement, cleansing, and validation services to help you get more from data you already hold.

How long has Corpdata been in business?

Corpdata was founded in 1992, giving us over 30 years of experience in the B2B data industry. That longevity reflects the trust our customers place in us and the consistency of the quality we deliver.

Where is Corpdata based?

Our office is located at:

Corpdata House
Den Crescent
Teignmouth
Devon
TQ14 8BQ.

We are open Monday to Friday, 09:00–17:00 GMT.
You can reach us on 01626 777 400 or by email at sales@corpdata.co.uk.

What makes Corpdata different from other data suppliers?

Unlike many data suppliers, our data is compiled specifically for direct marketing — we never compromise on quality standards to increase volume. We continuously update our database, combining publicly available data with AI-powered analysis of company websites to build an accurate and detailed picture of each organisation and its contacts.

Marketing Lists & B2B Data

What B2B data is, how marketing lists work, and how they can help your business grow.

What is B2B data?

B2B data (business-to-business data) is information about companies and their key contacts that is used to support marketing, sales, and business development activities. It typically includes details such as company name, address, telephone number, email address, contact name, job title, industry, and company size. High-quality B2B data allows you to identify and reach the right decision-makers within the organisations most likely to buy from you.

How can B2B data help my business?

Accurate, well-targeted B2B data helps you:

  • Reach the right decision-makers directly, reducing wasted effort.
  • Increase response rates and conversion from your campaigns.
  • Reduce gone-away rates and the cost of returned mail or failed emails.
  • Identify new prospects you may not have been aware of.
  • Build and grow your sales pipeline more efficiently.

Put simply, the better your data, the better your results.

What is the difference between a mailing list, an email list, and a telemarketing list?

The terms refer to the same underlying contact data, but optimised for different channels:

  • Mailing lists contain postal addresses for direct mail campaigns — letters, brochures, and catalogues sent to business addresses.
  • Email lists contain business email addresses for email marketing campaigns.
  • Telemarketing lists contain telephone numbers for outbound calling campaigns.

Many Corpdata products include all three, allowing you to run integrated multi-channel campaigns from a single data source.

What is a ‘gone-away’ and why does it matter?

A ‘gone-away’ is a record in your marketing list where the contact or company no longer exists at the address or contact details supplied — for example, a business that has closed, moved, or a contact who has left the organisation. Gone-aways waste budget on undeliverable mail, failed calls, and bounced emails, and can damage sender reputation. Keeping data up to date minimises gone-aways and maximises the return on your campaign spend.

How do I know which type of data is right for my campaign?

The right data depends on your target audience, the channel you are using, and the goal of your campaign. Our Data Specialists will take the time to understand your campaign objectives and recommend the most appropriate product and selection criteria. You can also use our campaign enquiry form to describe your requirements and we will come back to you with a tailored proposal. Tell us about your campaign.

Can I use B2B marketing data for cold outreach?

Yes. Unlike B2C (consumer) marketing, B2B direct marketing to business contacts is permitted under the UK GDPR and PECR (Privacy and Electronic Communications Regulations) where there is a legitimate interest basis. All Corpdata data is compiled and maintained with this in mind, making it suitable for compliant cold outreach via post, telephone, and email to business addresses. We always recommend consulting your own legal or compliance team to ensure your specific campaign approach is appropriate.

Our Data Products

What we offer and how our products can help your campaigns.

What data products does Corpdata offer?

We offer a range of B2B data products to suit different marketing needs:

  • Corpdata Business Premium — detailed information on over 300,000 of the UK's top businesses.
  • Corpdata Site Only — over 1.3 million actively trading UK organisations.
  • IT Trade — comprehensive coverage of the UK's IT suppliers and service providers.
  • Telecoms Trade — key players across the UK telecoms industry.
  • Marketing & Media Trade — contacts across the marketing and media sector.
  • Building & Construction Trade — the full UK construction industry.
  • Fleet Focus — organisations operating vehicle fleets.
  • Online Focus — detailed website and web technology data on major UK companies.
  • Focus Lite — modelled IT usage data at an accessible price point.
  • Stock Market File — over 1,500 of the UK's most influential business contacts.

View All Products

Can I target specific industries or sectors?

Yes. Our data allows you to filter by industry, company size, employee count, job function, geographic location, and many other criteria. Our Data Specialists will work with you to define the right targeting parameters for your campaign to maximise your return on investment.

Can I match to my current list?

Yes. We can provide tools for you to upload your current list and our Sales team can handle the rest. This is particularly useful in cases such as validating and enriching your current dataset.

Can I dedupe my exclusions list?

Yes. We can provide tools for you to upload any exclusion lists, where our Sales team can then exclude these from any data counts.

What types of contact details are included?

Depending on the product, records can include:

  • Company Name
  • Address
  • Telephone number
  • Email address
  • Contact name, Job Title and Linkedin IDs/URLs
  • SIC code
  • Employee counts
  • Turnover Banding
  • Detailed Fleet Bandings

Specific field availability varies by product — speak to our team for full field-level detail on any list.

Do you offer data enhancement and cleansing services?

Yes. We offer a range of data services beyond list supply, including data enhancement, postal and email cleansing, and validation. These services can be applied to data you already hold to bring it up to date and improve its accuracy. Find out more about our enhancement services.

Do you supply data for email, postal, and telemarketing campaigns?

Yes, we supply data suitable for all three channels. Whether you are running an email campaign, direct mail, or outbound telemarketing, we can provide targeted business lists tailored to your channel and audience.

Data Quality & Compliance

How we keep our data accurate, fresh, and legally compliant.

Is Corpdata's data GDPR compliant?

Yes. All Corpdata B2B business lists comply with the UK GDPR and Data Protection Act 2018. Our data is maintained to be legally safe and accurate. We have qualified GDPR Practitioners on staff who can also advise you on your own data handling obligations. Our ICO registration number is Z5404661.

How often is the data updated?

We update our database continuously. Each year in the UK approximately 100,000 people of working age die, 250,000 businesses cease trading, and 1.25 million postcodes change, which is why regular updating is essential to the value of any business list.

How is the data compiled?

We apply sophisticated techniques to compile data from many sources, including publicly available records. We combine this with AI and analysis of company websites to generate an accurate and detailed view of each organisation and its key contacts.

We pay particular attention to records that have been flagged as questionable from our various sources.

This multi-source approach is what gives Corpdata data its accuracy advantage.

What is Corpdata's quality guarantee?

We offer a 2-for-1 double your money back guarantee on any company or contact gone-aways within the licensed period. This reflects our confidence in the accuracy of our data. Please note that email addresses are not covered by this guarantee due to their naturally higher rate of change. Read more about our quality guarantee.

Can Corpdata help with our own GDPR compliance?

Yes. We have qualified GDPR Practitioners who are happy to discuss your data handling obligations and advise you on how to remain compliant. For specialist advice, please contact our Data Protection Officer, Andy Smith, at andy.smith@corpdata.co.uk.

Pricing, Licensing & Delivery

How purchasing and licensing our data works.

How is data licensed?

Our data is licensed for use over a defined period rather than sold outright. Licensing terms typically cover the number of records and the duration of use. We offer a range of licence options to suit different campaign needs — speak to our team for a tailored quote.

Are there discounts available?

Yes. We offer volume and duration discounts of up to 50% for larger or longer licences. The more records you need or the longer you need them for, the more you save. View our discount structure.

How quickly can I receive my data?

We offer same-day delivery on data analysis, list proposals, and marketing lists. Once your order is confirmed and processed we aim to get your data to you as quickly as possible.

How can I pay?

We accept payment by credit and debit card via our secure online payment portal. Payment links are sent with invoices and processed securely through WorldPay. You can also make a payment directly at payments.corpdata.co.uk.

Can I get a free sample before committing?

Yes. You can request a free sample as part of a campaign proposal. Simply tell us about your target audience and campaign goals and one of our Data Specialists will put together a tailored proposal, including a sample where applicable. Start your campaign enquiry here.

Do you offer a reseller programme?

Yes. We have a reseller programme for organisations that wish to supply Corpdata products to their own clients. Find out more about becoming a reseller.

Still Have Questions?

Our Data Specialists are on hand to help. Get in touch and we’ll get back to you promptly.