Sorted Mail Delivery Management
Time-efficient UK-wide delivery service for business. Our pre-sorted and large letters are organised for the Royal Mail delivery network.
Helping thousands of business to deliver direct mail, business mail and publishing mailings








#1
Downstream Access Provider
>50% share of UK DSA volumes processed
Regulated
Ofcom & Postal Sector
Ensuring a universal postal service
Nationwide
Sites
Country-wide mail distribution sortation sites
As the largest UK DSA (downstream access) provider, Whistl offers mail management services for direct mail, business mail and publishing items. We offer comprehensive mail management services designed to meet a wide range of mailing needs.
In collaboration with Royal Mail, the UK’s final mile postal service provider, Whistl delivers unparalleled service. Our strategic partnership enables Whistl to leverage Royal Mail’s extensive delivery network, ensuring our customers benefit from fast, reliable, and efficient delivery solutions, complemented by Whistl's exceptional customer service and cost-effective postal prices. By leveraging Royal Mail’s delivery capabilities, Whistl offers a seamless delivery experience that meets the highest standards of quality and reliability.
If you want to reach customers outside the UK, Whistl also offers a comprehensive suite of international mail services. Our service provides flexible and reliable options for sending mail items internationally. With flexible collection times and strong global purchasing power, we can help you reach your customers wherever they are.
We take away the hassle of sorting and sending mail items for our customers to save time and money for business mail deliveries. With a range of sorted, unsorted and hybrid mail services, we have a service to help you reach your customers in the right way, at the right time.
Business Mail Management
Direct Mail Management Services
Publishing Mail Management

Our Whistl Account Manager is wonderful with whom we have a very good working relationship.It’s a channel that works for us and we will continue to use direct mailings for future campaigns.
Evi Chioti, Loyalty Specialist IKEA UK Ltd

Postal solutions and delivery management support for a wide spectrum of industries
As the largest Down Stream Access provider in the UK, we provide high-quality services for business mail by collecting, sorting and processing over 50% of the UK’s bulk business mail.
Request your mail management proposal
Largest DSA Provider in the UK
Dedicated account management
Working directly with mailing houses for a complete 360 support
We can arrange collections at a suitable time for both UK and International delivery.
If you seek consultative mail support services, data cleansing, one-off postal campaigns or advertising and promotional mail delivery solutions.
Visit Posthub

Mail management services for businesses
Speak to an experienced account manager to understand how Whistl can help reduce mailing costs