About Ritesim

Our job is to ensure that your devices are fully, seamlessly and securely connected, at the right price, wherever you are in the world.

Ritesim is a London based telecommunications company founded in 2012.

A team of IoT specialists, our total focus is to support and guide those who require internet connectivity for their business anywhere in the world. From IoT and M2M solutions, through to private VPN infrastructure and industrial SIMs, we have all your connectivity requirements covered.

We currently have over 280,000 connections active on any one day, and supply global corporate entities as well as small businesses. What we promise is that you will receive personal service from one of our Management Team from your first enquiry onwards. We only use Tier-1 networks so the quality of the product we supply is always first class.

No business is too big or too small for us to support with their IoT and connectivity needs.

Please get in touch with us by completing the form on the contact page, use the live chat, or give us a call.

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Connected Devices


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We make you these 6 promises



We always start by listening


First class

First class connectivity worldwide



Real-time visibility and control of your devices


No surprises

A simple tariff with no hidden charges



A partnership that goes beyond the office



Wherever you are in the world, we have the product for you

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Our team

Peter Rebak
CEO & Co-Founder

Cambridge graduate Peter started his professional life at Schroder’s, one of the most established and highly-regarded asset management firms in the City. 

The following 35 years have been spent in a largely entrepreneurial capacity, starting and growing a host of successful international businesses across a number of complementary sectors including commodity trading, financial futures, global trade finance and latterly, telecoms.

Ritesim was founded in 2012 by Peter and John Butterfield to play a market-leading role in simplifying the M2M/IoT markets and to provide businesses of all sizes and complexities an afforadble, easy-to-understand solution that enables and ensures sustainable growth.
John Butterfield
Sales Director & Co-Founder

Co-founder of Ritesim alongside Peter Rebak, John brings a wealth of experience, business acumen and strategic nous to the firm. 

Managing the commercial and strategic arm of Ritesim, his all-encompassing role includes product development, new business development and sales verticals.

John  has almost two decades’ experience in the mobile & telecoms industry. As Sales Director of a major international mobile device distribution Company he oversaw the retail development, product placement and OEM accounts for telecom conglomerates including LG, Samsung and Nokia, at the same time transforming the Company into one of the world’s largest handset distributors.
Paul Lerman
Chief Technical Officer

After graduating from Bristol with a Masters in Maths & Computer Science, Paul went into merchant banking as a derivatives trader before joining Millward Brown, a brand strategy agency (part of the WPP Group) as a Marketing Science Executive.

In that role he oversaw some of the company’s key accounts including Coca-Cola, Heineken, Martini and VISA before joining Ritesim in 2013. As CTO, Paul manages the technical side of the business including systems integrations, data analytics and new technologies.
Karl Oliyide
Head of Logistic Control

Joining Ritesim directly from college, Karl has become a key member of the team controlling the interface between the physical despatch of product and its link to The Cisco-Jasper control platform. 

An immediate response logistics policy has been implemented by Karl and, in addition to logistic control, he also plays a key role with the CTO for the monthly billing cycle and providing data analytic reports required by customers.

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