Data Sources
At Data8, we are dedicated to maintaining data independence, ensuring impartial and comprehensive access to the industry’s leading data sources. Unlike many of our competitors, we are not owned or influenced by any data provider, to enable us to offer you the widest range of high quality data solutions.
Here you'll find a list of our data sources providers:
Preference Files:
Telephone Preference Service (TPS)
TPS is a database containing the mobile and landline telephone numbers of individuals who have opted out of receiving marketing calls. As of June 2024, over 17 million people have registered their preferences with this service. Compliance with TPS regulations is mandatory, and companies that fail to comply to these guidelines may face substantial fines from the Information Commissioner’s Office (ICO).
Corporate Telephone Preference Service (CTPS)
CTPS is a database containing telephone numbers of businesses who have opted out of receiving marketing calls. As of June 2024, the CTPS includes millions of business numbers. Compliance with CTPS regulations is mandatory, and companies that fail to adhere to these guidelines may face significant fines from the Information Commissioner’s Office (ICO).
Mailing Preference Service (MPS)
MPS is a database containing names and addresses of individuals who have opted out of receiving unsolicited direct mail marketing. As of June 2024, 6 million people have registered their preference to reduce unwanted mail. Although compliance with the MPS is not mandatory by law, it is strongly recommended and considered best practice within the direct marketing industry.
Deceased Files:
Mortascreen
Mortascreen is an essential data suppression file, which includes Names, Addresses, and details about the individual’s death, and is designed to help companies keep their contact lists accurate and up to date by identifying and suppressing records of deceased individuals from their databases. As of June 2024, the Mortascreen file contains over 11 million records.
The Bereavement Register (TBR)
TBR is an essential suppression file. which includes Names, Addresses, and details about the individual’s death. Designed to help companies keep their contact lists accurate & up to date by identifying and suppressing records of deceased individuals from their databases, ensuring respectful and compliant communication. As of June 2024, The Bereavement Register file contains over 9 million records of deceased individuals.
National Deceased Register (NDR)
The National Deceased Register (NDR) is a data suppression file that enables a company to identify and suppress records of deceased individuals from their databases. This service ensures that communications are not mistakenly sent to deceased individuals or their family, maintaining respectful and accurate contact lists, thus reducing the likelihood of causing distress by contacting the deceased or their families.
Experian
Mortality File
The Experian Mortality File is an essential suppression file, which includes names, addresses, and details about the individual’s death, and is designed to help companies keep their contact lists up to date by identifying and suppressing records of deceased individuals from their databases, ensuring respectful and compliant communication. As of June 2024, the Experian Mortality File contains data of over 15 million records of deceased individuals.
Goneaway & Mover Files:
The Business Suppression File (BSF)
The Business Suppression File (BSF) is a complete database of business records that have become outdated or obsolete due to various reasons such as closures, mergers, relocations, or director resignations. The BSF helps companies to identify and suppress records of companies that are no longer trading which helps minimise wasting resources on contacting non-existent or inactive businesses, making sure that marketing efforts are directed towards valid, operational businesses.
Re-mover
Goneaways
Remover is a data suppression file that enables a company to identify and suppress records of individuals who have moved, passed away, or opted out of marketing communications. This service is vital for companies that need to ensure that they maintain accurate and respectful contact lists, which will enhance the effectiveness of their communications.
Gone Away Suppression (GAS)
The GAS file is a data suppression file that enables a company to identify and flag records of individuals who have moved away from their previous addresses. This service helps companies to ensure that their contact lists are up to date by removing or updating records of individuals who are no longer reachable at their former addresses.
Experian Absolute Movers
Absolute Movers is a data file that enables a company to track individuals who have recently moved and registered their new address. This service is vital for companies that need to ensure that their contact lists are up to date by capturing recent address changes. This dataset ensures continued communication with customers who have relocated.
National Change of Address (NCOA)
NCOA is a data file that enables a company to track individuals who have recently moved and registered their new address. This service is vital for companies that need to ensure that their contact lists are up to date by capturing recent address changes. This dataset ensures continued communication with customers who have relocated.
Gone Away Suppression (GAS) Reactive
GAS Reactive is a data file that enables a business to track individuals who have recently moved and registered their new addresses. This is vital for companies that need to ensure that their contact lists are up to date by capturing recent address changes. This dataset ensures continued communication with consumers who have relocated.
DBS Purifi
DBS Purifi is a data file that enables a company to identify and flag records of households that have recently moved. This service is vital for companies that need to ensure that their contact lists are up to date by capturing recent address changes. This dataset ensures continued communication with customers who have relocated.
Experian Absolute Contacts
Experian Absolute Contacts is a comprehensive data file designed to identify individuals who have recently moved residences. As of April 2025, the Absolute Contacts file contains over 50 million records. This database provides valuable insights for a company aiming to maintain accurate and up to date contact information by capturing the latest address changes so that companies can keep their contact lists accurate, minimising the risk of undelivered mail and improving communication effectiveness.
Address Data Files:
Postcode Address File (PAF)
The Royal Mail PAF is a comprehensive database which contains all known delivery points and postcodes in the UK. It is a vital tool for companies that need to ensure that they maintain accurate and up-to-date address information, which will enhance their mailing operations and customer communications.
Multiple Residence
Data
By using Multi-Res data alongside PAF, businesses can identify individual dwellings. With 185,000 properties divided into apartments, this data includes over 800,000 records.
Not-Yet-Built Data
By using Not-Yet-Built data with PAF, businesses can identify and deliver to addresses that are still in planning & construction stages. With 100k new houses built annually, this dataset holds more than 500k records.
Eircode
Eircode is Ireland's first public database of unique identifiers for all Irish addresses. Eircode's data products contain 2.2 million business and residential addresses, making it a powerful tool for businesses.
BT Directory Solutions OSIS
The BT OSIS is the UK’s official directory offers unparalleled coverage of telephone numbers for individuals and businesses across the UK. BT OSIS is known for its reliable, top-quality data, with meticulous data management practices. The precision and dependability of the available data makes it an essential tool for any company looking to improve the quality of their contact lists.
United States Postal Service (USPS)
The United States Postal Service (USPS) provides a range of data services, and is a database containing names, previous and new addresses, move type, and move date, and is designed to identify individuals and businesses who have recently moved residences. As of June 2024, the file includes data on millions of address changes recorded over the past four years.
Ordnance Survey AddressBase
Ordnance Survey AddressBase is a comprehensive database which contains all known addresses and location details in the UK, each linked to a Unique Property Reference Number (UPRN). The UPRN is a unique identifier for every addressable location in the UK, enabling exact location matching and address verification.