two SMS message bubbles  Paper plane
We are sixFive

Reach your customers by SMS wherever they are

We design our bulk SMS Messaging platform  in-house to provide businesses with high-quality and low-cost personalized solutions so they can connect with customers in more than 180 countries.

Get in touch with our dedicated sales team
SixFive SMPP SMS Gateway

Our global cloud SMS gateway platform provides your business with advanced routing, reliability and capacity.

Stamped Certificate
SixFive is powered by AWS

Our Amazon Web Services (AWS) cloud-based scales both vertically and horizontally and relies on excellent redundancy so you can enjoy optimal delivery performance no matter how much traffic we get.

Certified Ribbon
Higher quality, lower costs

Our SMPP platform leverages cutting-edge AI-powered conditional routing technology that allows us to direct message traffic intelligently to optimize your savings without compromising on delivery efficiency or quality.

big ben London clock tower
Set up messaging in minutes

We use the industry standard SMPP protocol and our dedicated service team will provide you with straightforward instructions to get you connected and ready to reach your audience in no time.  

Connected modules
We build in-house

Our platform is built by our AWS Certified DevOps engineers with a focus on customization to meet your exact specifications and cover your every requirement while cutting unnecessary extra costs.

View all platform features
Young woman holding up a cellphone exitedlyList of messages

We're all about reliable connections

At SixFive, we understand that communicating with your customers fast and reliably is crucial to your business. That's why we take pride in our state-of-the-art platform utilizing advanced routing capabilities to deliver your messages quickly and securely. Whether you’re delivering one-time-passwords to help keep your clients’ data safe, sending updates, sharing important information, or communicating your latest promos, we've got you covered!

Tailored to your business need

Flexible pricing

24/7 support

100% compliance

SMPP connectivity

Browse more key features

Flexible pricing tailored to meet your business needs

As a SMS wholesale company, building our products in-house allows us to keep our pricing structure competitive and flexible so we can offer cost-effective solutions to businesses looking to streamline their messaging services while maximizing their budget.

System modules sending SMS messages

We deliver your SMS instantly to customers in more than 180 countries

Smartwatch hovering over earth, with chat message

Pricing that’s just right

Get a 7 day free trial. Then compare and choose a plan that's right for you.


For Small Businesses who are just starting on their marketing.
Try free for 30 days
No credit card required


For Established Marketing Teams with bigger needs.
Get Started
No credit card required


For Agencies who need to manage multiple accounts.
Get Started
No credit card required
Get in Touch

We'll get back to you within an hour

+44 20 7048 0505

Just like you, our customers are at the centre of everything we do. Send us a message. We'll be delighted to help you!

We have received your message and want to express our gratitude for taking the time to contact us.

Our team is already hard at work reviewing your inquiry, and we will get back to you as soon as possible.

Oops! Something went wrong while submitting the form.

Our team of experts is spread across the globe,

ready to help you enhance engagement with your customers. From our headquarters in London to Barcelona, Oslo, Stockholm, Kyiv, Dubai, San Francisco, and Mexico City, we offer 24/7 support in every region and time zone — because we know that business never stops.

Head Office - London

2 Leman Street
United Kingdom
View on Google MapsPhone: +44 20 7048 0505