About Us

Immix is a software company that does one thing. We develop software to improve your ability to manage and respond to security events by creating an intuitive, easy to use software integration platform. Whether it’s to protect your customer’s facilities, assets and people or your own, our mission has always been the same: to provide a common platform connecting different systems. We call this software Immix, which means to mix, and we now integrate with over 500 of the top security products and systems in the market.

Previously known as SureView Systems, the company started in a monitoring station in 2001, the same command center style room everyone of our customers has, and we had a fundamental problem to solve – how could we deliver a consistent level of service to multiple customers, all of whom had different security systems? The answer was to develop our own software, Immix, a system that could integrate these islands of technology creating a single security monitoring platform.

We are privately owned, and the development of the Immix software has been achieved solely in house. This independence allows us to reinvest our profits in continually improving Immix in response to changes in technology, systems and hardware, and to maintain an open and even-handed approach to our vendor relationships. This keeps the product relevant for our customers, allowing them to grow and develop their own businesses without constraint. The value of our approach is demonstrated by the fact that around 40% of our business growth comes from existing customers.

Although Immix is a product, what we sell to our customers is a solution. Every customer is different and nothing ever stays the same, there is always a new system to connect, a new process to support and procedures to update. So we built a dynamic young team that works hard to understand our customers’ goals and challenges, creating long-term relationships centered on solving problems and delivering value. This team supports customers in every major market across the globe ranging from small regional central stations to fortune 500 global organizations. Today, Immix helps protect thousands of locations.

Immix is UL Certified in the USA, BS8418 in Europe and compliant with the most demanding corporate standards for IT and Networking security.

Office Locations


Map of US officeUS Headquarters
400 N. Tampa St. – Suite #1750
Tampa, FL, 33602
Sales: +1 (339) 200-8360
Support +1 (813) 708-1328

Map of UK officeUK Headquarters
Unit 8, Tawe Business Village,
Tel: +44 (0) 1792 278 110

Get in Touch

Sales: +1 (339) 200-8360
Support: +1 (813) 708-1328


Chris Brown

Chris Brown


With more than 30 years of experience in the security industry specializing in the operational success of high-growth companies, Chris directs the Immix business globally from end to end, focused on maximizing returns and increasing recurring monthly revenue options for central station and large guarding customers.
Craig Evans

Craig Evans

UK Managing Director

Craig co-founded the company in 2003 and serves as the company’s UK Managing Director and sits on the Immix board of directors. Craig has a technology background and previously worked in the investment banking industry in London and New York.

Stacey Rohrbaugh

Stacey Rohrbaugh


Stacey joined Immix in June of 2021, bringing 15+ years of valuable experience in executive financial leadership roles, SaaS, financial technology and financial services.
Erin Bullard

Erin Bullard

Director of Partner Relations

Erin is responsible for managing the company’s Technology Partner Program, consisting of more than 500 different products from an array of manufacturer partners. Her primary duties include integration maintenance and prioritization as well as planning and joint marketing efforts with the technology partners and more.
Jason Caldwell

Jason Caldwell

Director: Marketing, Business Development, Guard Force Accounts

Jason brings more than 13 years of experience in managed and monitored video and security services to Immix. He directs the company’s marketing efforts and manages the Immix Guard Force (GF) global customer base.
Mark Kenna

Mark Kenna

Product Manager

Mark has over 20 years in the IT industry and has been an integral part of the Immix success story, having joined the company in 2007 and worked multiple leadership roles. He is now the Immix Product Manager and leads the development team.
Mark McCall

Mark McCall

Director: Global Operations

Mark leads the global operations teams, including customer support. With more than 20 years in the electronic security industry, McCall has vast experience in monitoring operations, including video and audio monitoring solutions, corporate security, and systems design to go along with strong information technology and executive level administration skills as well as project/program management.
Tina Simolaris

Tina Simolaris

Director: Global Customer Success

With more than 25 years in senior management roles in command center, call center and central station environments, Tina has established a successful professional career helping clients across a broad spectrum of industries be successful. At Immix, Tina advocates for all clients, supporting their needs to help them achieve higher levels of success and improve business and operational efficiency.
Stephen Tapper

Stephen Tapper

Director: Central Station Accounts

With more than 20 years of industry experience and a vast knowledge of the security market along with a large network of key contacts, Stephen is responsible for all central station sales and account management of the company’s Immix Central Station (CS) product within the Americas, Caribbean, and Australia.
Chris Selwood

Chris Selwood

Director: UK Sales

Chris has more than 20 years of experience in sales management, delivering IT based solutions to international brands and organizations in the Public, Finance, Retail and Health sectors. An experienced executive officer with a demonstrated history of working in the computer software industry, Chris leads the sales strategy and account management for the Immix CS product in the UK, Europe and EMEA territories.

Accreditations and Certifications


Association Memberships