Hello,
We can provide you UK route, but please make it sure your are not going to send Spam messages.
Which route you are looking for long-code or short-code, and let me know if you are looking for any specific CLI in case of shortcode.
We will provide you one Dash Board, from where you can send SMS Simple or Personalised by uploading files. Also We can extend connectivity via APIs and SMPP v3.4
Do you need inbox also, in case if clients will respond you by replying to your SMS..?
And last but most important, what will be the mode of Payments...?
Looking forward to here from you.
Thanks
Swapnil