Current Promotions

Free alarm monitoring / Free high-security locks

Mention this promotion when you contact us

Proudly Securing Chelmsford, MA

Customized Security Solutions for Your business

Welcome to All Security Co., LLC, your trusted provider of comprehensive security services in Chelmsford. We aim to deliver customized protection that meets the unique needs of local businesses like yours. Partner with us for reliable security tailored specifically for your company, facility and employees. Discover security solutions designed and installed to keep your organization, assets and people safe while supporting your business goals. The security of your business is our top priority.
Security Camera

Your Trusted Partner in Commercial Security

We’re partnered with industry-leading brands to provide reliable, innovative security solutions.

Security & Mechanical

A camera symbol


Video Surveillance

Utilize cloud-based, high-definition camera systems integrated with video intercoms for continuous monitoring and visitor verification.

Doors & Frames

Robust and Reliable
Doors & Frames

Commercial doors and frames integrate seamlessly with access control systems, enhancing security, functionality, and entry management for high-traffic environments.


Access Control

Implement state-of-the-art entry management and electronic locks with advanced technology to secure your premises.


Full-Service Locksmithing

Full-service locksmithing elevates commercial access control, ensuring tailored solutions and enhanced security for businesses.

A caution symbol.


Burglar Alarms

Install sophisticated alarm systems designed for robust detection, deterring unauthorized entry, and empowering you to control your business from anywhere.


Master Key System

Enhance property access control with a customized master key system to complement our top-notch security services for your business.

Connect With Us

Secure Your Business Today

Looking to upgrade your security systems or interested in learning more about our services? Complete this form or call us at (508) 993-4272, and one of our Chelmsford security specialists will be in touch with you shortly.

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.

Empower Your Chelmsford Business with Advanced Security

A camera symbol

Deter Crime

Enhance safety and deter potential intruders with state-of-the-art security systems.

Gear Icon

Ensure Compliance

Keep up with Chelmsford regulations and standards for business security.
Compliance Icon

Boost Efficiency

Modern security solutions can streamline operations and save costs.

Clock Icon

Peace of Mind

Operate your business with confidence, knowing you're protected by the latest security technology 24/7.

Chelmsford, 2019 FBI Crime Data

Ensure Your Business is Secure in Chelmsford, MA

As a business owner in Chelmsford, MA, it's essential to recognize the importance of safeguarding your property, employees, and customers. According to recent data, Chelmsford has experienced a total of 397 property crimes, including 17 burglaries364 instances of larceny-theft16 motor vehicle thefts, and 2 arson cases. While Chelmsford is a community of integrity and commerce, these statistics from the 2019 FBI Crime Report highlight the necessity of proactive security measures.

The Value of High-Quality Security Cameras 

To address these crime rates, considering a professional 'security camera company' is not just a precaution; it's a business imperative. Surveillance systems act as both a deterrent to potential criminals and an invaluable resource for monitoring day-to-day operations. The presence of high-definition cameras can contribute greatly to the resolution of larceny theft crimes which are the most prevalent in Chelmsford, giving businesses an edge in both prevention and evidence gathering. With tailored solutions from a seasoned security camera company, you can reinforce weak spots that could be exploited for burglaries or motor vehicle thefts.

Choose All Security Co., LLC for Your Business

All Security Co., LLC specializes in providing top-tier security solutions tailored for businesses in Chelmsford. Our expertise in the latest surveillance technology ensures your business is equipped to challenge the reality of the 17 burglaries and 16 motor vehicle thefts reported in the area. By entrusting your security needs to All Security Co., LLC, you receive personalized service that understands the unique security demands of the Chelmsford business community. Our commitment to excellence and customer satisfaction sets us apart as the leading security camera company in the locality.

Empower your business with All Security Co., LLC, and fortify your premises against potential security threats. With our strategically placed cameras and state-of-the-art monitoring services, your investment in security will yield peace of mind and the assurance that your business, employees, and customers are protected. Take action today by visiting our website or contacting us to assess your security camera needs and prevent becoming a statistic in next year’s report.

Overview of Chelmsford and it's history

Discover Chelmsford, MA: A Blend of History and Community

Nestled in the heart of Middlesex County, Chelmsford is a serene and inviting town with roots that reach deep into the annals of American history. Founded in 1655, Chelmsford quickly grew as a bustling agricultural community and gained prominence for its role in the early colonial days. As the nation progressed, it evolved into a harmonious blend of modern living and respect for the past.

Entrepreneurs and Innovators from Chelmsford

Through the years, Chelmsford has been home to a number of noteworthy entrepreneurs and innovators who have contributed to both local and national prosperity. One such figure was James C. Ayer, a pharmaceutical magnate in the 19th century, who built an empire with his patent medicines. Today, Chelmsford continues to inspire a new generation of entrepreneurs, attracted by the town's supportive community and strategic location, close to technology hubs and academic institutions.

A Hub for History Buffs and Outdoor Enthusiasts

Chelmsford is justly proud of its place in history, boasting several spots listed on the National Register of Historic Places. The Chelmsford Center Historic District serves as a window into the 18th and 19th centuries with its well-preserved buildings. The town celebrates its heritage at annual events like the Fourth of July Parade, which is a longstanding tradition.

For those seeking outdoor recreation, the town does not disappoint. The Bruce Freeman Rail Trail offers over 25 miles of scenic paths for biking, jogging, and walking. Meanwhile, the Great Brook Farm State Park provides a rustic getaway with its lush trails for hiking and cross-country skiing, in addition to a working dairy farm.

Whether you're wandering through its historic sites or enjoying the beautiful New England scenery, Chelmsford, MA stands as a testament to America's rich narrative, woven with the threads of community, innovation, and nature's unspoiled beauty. With a welcoming atmosphere and endless opportunities for discovery, Chelmsford invites you to become a part of its story.


Your trusted
Security Experts

Since 1977, All Security Co., LLC has been a steadfast provider of top-notch security services. With a focus on the Chelmsford region, we blend local knowledge with broad expertise to deliver exceptional security solutions.
Number 1 Icon


This is the initial step where we discuss your security requirements, understand your need for security and conduct a thorough risk assessment of your property.

Number 2 Icon

Planning & Design

After understanding your unique needs, our experts devise a bespoke security plan. We design systems that ensure maximum safety while remaining cost-effective.

Number 3 Icon


Post planning, we install high-quality security equipment. Our skilled technicians set up the systems to ensure they work optimally, providing you with the security you require.

Number 4 Icon

Maintenance & Support

After the installation, we offer regular maintenance services to up-keep your security systems. We also provide 24/7 customer support, so you have assistance whenever you need it.

Customer testimonials

Hear from some of our satisfied customer.

All Security is my go to company when it comes to locks and securing my property. Nelson gave us great service.  I would recommend them to anyone.

Dexter B. Jenkins

Google Review

Kristin is the shining star in this company! What an insightful experience! Will never use anyone else!!

Mi Sun C.

Google Review

All Security is my go to company when it comes to locks and securing my property. Nelson gave us great service. I would recommend them to anyone.

Dexter J.

Google Review

We had a wonderful experience with All Security. They were efficient, capable, and very pleasant to work with. From the first visit to their office through to final payment, every person was friendly, informative and reliable.

M. Sisquehanna

Google Review

Great service, Nelson was top notch and went over everything in detail! I highly recommend All Security!

John B.

Google Review

Awsome people. Excellent service

Ston S.

Google Review

Jason the tech was knowledgeable and explained issues and gave recommendations and completed job for us quickly and professionally.

S. Amedeo


Jason and Fernando and Scott and Amy and the whole All security team were amazing to work with- I was not sure about this whole process, and they all were so great to work with. Looking forward to adding some more cameras in the fall- thanks so much!

Brooke E.


Thank you for making our access easier and more secure!

Rob C.


Nelson did a fine job as we have become accustomed. Very knowledgeable. The store staff were also very helpful and knowledgeable.

J. Abraham


Kristin was excellent in determining our needs on our budget.

Linda A.


The technicians are extremely knowledgeable and always provide excellent service.

K. Williams


Nelson was terrific! He was personable and professional!

S. Eveney


Technician was responsive, knowledgeable, and performed job quickly. highly recommend.

B. Kearney



How can All Security Co., LLC, help my Chelmsford business?

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique.

What makes All Security Co., LLC different from other security service providers in Chelmsford?

We are an all-in-one company that can take care of your low voltage, commercial doors, and locksmith needs.

How do I get started with upgrading my security with All Security Co., LLC?

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla, ut commodo diam libero vitae erat.

Secure Your Business Today

Don't leave your commercial property's security to chance. Get in touch and experience peace of mind like never before. Become a part of the All Security Co., LLC family, and let us protect what matters most to you.