Control your lights, locks and
temperature all with Automation


Mobile management
for your security system

Intrusion Protection

For your family and employees

SEi’s own Monitoring Station

Unparalleled customer service

Temperature Control

Fire Monitoring

CO Monitoring

Water Monitoring

FREE Consultation | 800-279-3667 | Call us today!


 We protect over 16,000 business and home customers.

Business & Home Security Systems in Des Moines, Kansas City, Lincoln and Omaha Areas

We have the personal touch of a hometown company. After 45 years in business, we’re still family-owned and privately held—when it comes to protecting your family or your business, we take it personally. From design, installation and monitoring of your home or business security system, to offering a staff that is alert to any emergency signal and ready to notify local authorities within seconds, we’re here for you and yours 24 hours a day, every day.

Keep Your Property Secure

SEi knows that your home or business is your biggest investment, and that you want to keep it as safe as possible. Your property in Des Moines, Kansas City, Lincoln and Omaha are in great hands when you choose SEi.

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Home Security Services

SEi's home security services combine technical expertise, state-of-the-art equipment and 24-hour monitoring to form a protective umbrella for you and your family.

Home Security Services

Business Security Services

We offer a wide variety of systems to protect your premises day and night, including burglar and fire alarms, CCTV, access control systems and 24-hour monitoring services.

Business Security Services


Learn more about our monitored home or business security systems, easy online bill pay, insurance discounts, pet-friendly sensors and more with expert answers to our frequently asked questions.​

Find Out More


  • You guys are the best; so efficient! I wish all our clients had you for their alarm monitoring.

    Andrea M. / Omaha, NE /

  • From installation to monitoring, to my recent requests for the certificate and user's manual, response has been quick and professional. It is really appreciated here, especially in a time where customer service is a lost art.

    Steve Miller / Des Moines, IA /

  • We've had other security companies, but we hands down like SEi Security's services the best. Keep up the good work keeping us safe in an unsafe world.

    Lucy Winter / Omaha, NE /

Recent Blog Posts

Smart Thermostats Save Money

Saving money and energy should be simple. That’s why we offer smart thermostats that you control with your smart phone through our app. After smart security, smart temperature is the number

National Affiliations and Partners

Central Station Monitoring

We offer a wide variety of home or business alarm systems to protect your premises day and night, including burglar and fire alarms, 24-hour monitoring services and much more.

Learn More

Request a FREE SEi Consultation Get to know what system is right for you.

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