Flexible Business Mail Solutions: PremierSort Flex
Outsource your unsorted machinable mail and benefit from efficient, ultra-fast sortation and potential cost savings with PremierSort Flex.
PremierSort Flex: Flexible Business Post Solutions
PremierSort Flex is our most flexible letter and parcel service, providing businesses with efficiency and ease of use.
This is a quick and easy solution for businesses that don’t want the hassle of organising a pre-sorted solution, or that don’t meet the minimum volume requirement to use our pre-sorted service. You decide upon a collection time that best suits your needs, and we will collect, sort, and distribute your letters and parcels over either two or three days, depending on geographical restrictions.
Benefits of Flexible Unsorted Mail with PremierSortFlex, from Whistl
- Affordable pricing with increased capacity for processing more unsorted mail per hour.
- Convenient collection times to suit you.
- Fast state-of-the-art sorting systems.
- Flexible – we can sort various envelopes, including DL/C5/C4, blank or pre-printed.
- Save time and the hassle of franking mail with a spray-on indicia/return address.
PremierSort Flex Criteria
Here are the criteria you must follow to be eligible for our PremierSort flexible delivery options:
- The minimum requirement is 4,000 items per collection. If this volume is not met, the collection cannot proceed.
- Available for direct marketing mailand transactional mail.
- Mail must be machineable and meet a minimum of 95% read rate to qualify for the discounts.
Flexible Business Post Delivery Management
Find out how we can help you save money on your business mailings
Read examples from our customers on our tailored support
How Leicester College Stayed Ahead and Saved on Mailing Costs
Leicester College


Nationwide Partner with Whistl to Drive Cost-Efficient Mail Management
Nationwide Building Society


Imperial College Switch to Whistl For Mail Efficiency
Imperial College Healthcare NHS Trust








