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Free alarm monitoring / Free high-security locks

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Proudly Securing Portsmouth, NH

Customized Security Solutions for Your business

Welcome to All Security Co., LLC, your trusted provider of comprehensive security services in Portsmouth. 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

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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.

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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 Portsmouth security specialists will be in touch with you shortly.

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Empower Your Portsmouth Business with Advanced Security

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Deter Crime

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

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Ensure Compliance

Keep up with Portsmouth regulations and standards for business security.
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Boost Efficiency

Modern security solutions can streamline operations and save costs.

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Peace of Mind

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

Portsmouth, 2019 FBI Crime Data

Secure Your Business Against Property Crime in Portsmouth, NH

In the quaint coastal city of Portsmouth, New Hampshire, the safety and security of your business can never be overstated. According to the most recent data available, Portsmouth has experienced a total of 76 property crimes, a number that, while modest, should prompt local business owners to reassess their security measures. As the city continues to grow and attract more visitors and new residents, the need for robust security solutions becomes increasingly crucial. 

We at All Security Co., LLC understand that every crime statistic represents a potential threat to your business's well-being. Our state-of-the-art security camera systems are designed to deter criminal activity and provide you with peace of mind. With 16 burglaries57 larceny-thefts3 motor vehicle thefts, and 1 arson reported, our specialized security camera company offers the advanced surveillance necessary to safeguard your premises around the clock.

Larceny-Theft: The Most Frequent Offense in Portsmouth

Larceny-theft, the unlawful taking of property without the use of force or fraud, tops the list as the most frequent offense with 57 reported cases. These incidents can range from shoplifting to theft of personal items left unattended. By installing high-quality cameras in strategic locations, our security camera company ensures that every corner of your business is covered. Monitoring your property effectively can deter potential thieves and help recover stolen goods, keeping your asset loss to a minimum.

Comprehensive Protection with All Security Co., LLC

As a dedicated security camera company serving Portsmouth, NH, we are committed to mitigating the risk of crime at your business location. Whether you're concerned about the impact of 16 burglaries, the threat of 3 motor vehicle thefts, or the singular act of 1 arson, our comprehensive security solutions are tailored to meet your unique needs. With advanced features like motion detection, night vision, and remote monitoring capabilities, All Security Co., LLC empowers you to stay vigilant and responsive in the face of potential security threats.

Be sure to equip your business with the best defense against property crime in Portsmouth, NH. For detailed insights into local crime statistics and the need for increased business security, visit the FBI's 2019 crime report at Crime in the U.S. 2019. Harness the power of preventative measures with All Security Co., LLC – your trusted partner in business security.

Overview of Portsmouth and it's history

Welcome to Portsmouth, New Hampshire

Nestled along the Piscataqua River, just a skip away from the Atlantic Ocean, Portsmouth, New Hampshire, is a quintessential New England haven that seamlessly blends its deep-rooted history with vibrant modernity. Founded in 1623, it's one of the oldest urban centers in the United States, where every cobblestone echoes with tales of our nation's formative years. Its picturesque streets and charming harbor have made it a cultural beacon, drawing visitors from around the globe to experience its unique allure.

A Stroll Through History

Portsmouth's story began over four centuries ago when it served as a focal point of the colonial fishing and shipping industries. Over time, the city established itself as a hub of commerce and shipbuilding. The infamous Treaty of Portsmouth, which concluded the Russo-Japanese War in 1905, is a testament to the town's historical significance on the world stage.

As you roam Portsmouth's storied paths, illustrious figures from America's entrepreneurial tapestry emerge. Among them was Frank Jones, a 19th-century brewer, hotelier, and congressman whose business acumen left an indelible mark. His legacy, interwoven with the stories of countless other industrious souls, contributes to the city's rich tapestry of innovation and enterprise.

Cultural Landmarks and Outdoor Escapes

Portsmouth is brimming with historical treasures ready to be explored. The Strawbery Banke Museum, a waterfront neighborhood turned living history museum, offers a dive into over 300 years of American life. The John Paul Jones House, once home to the Revolutionary War naval hero, now serves as a museum documenting his legendary exploits.

If you're seeking tranquility, the Prescott Park's gardens along the Piscataqua River offer vivid floral displays and scenic waterfront views. For more active pursuits, you can embark on a journey to the nearby Isles of Shoals or enjoy a leisurely sail around the harbor.

Whether you're indulging in the vibrant arts scene, savoring the local culinary delights, or uncovering the layers of Portsmouth's storied past, this coastal gem embodies the spirit of New England—historic, dynamic, and ever-welcoming.


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 Portsmouth region, we blend local knowledge with broad expertise to deliver exceptional security solutions.
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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.

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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.

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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.

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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 Portsmouth business?

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

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?

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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.