A well-written security guard cover letter demonstrates more than availability and physical fitness. It shows a hiring manager that you understand site-specific procedures, access control protocols, and the judgment required to handle incidents calmly and correctly. Whether you are applying for an unarmed post at a corporate campus or an armed guard position with a licensed contractor, your letter needs to connect your qualifications to the exact responsibilities in the posting. This guide covers what to include, what to cut, and how to structure every paragraph. For a broader overview of letter writing, see our guide on how to write a cover letter. You can also find additional legal and public service cover letter examples to understand how related roles position security experience.
What employers look for in a security guard cover letter
Security contractors and corporate security departments screen for a specific combination of credentials, procedures knowledge, and composure. Your letter should address as many of the following as the role requires:
- Guard card or state license -- Reference your license number or issuing state. For armed roles, include your firearms qualification and relevant permits. Many employers reject applications that omit this information entirely.
- Patrol procedures -- Describe your experience conducting regular foot or vehicle patrols, monitoring perimeter access points, and documenting conditions in a security log.
- Incident reporting -- Employers want guards who can write clear, accurate reports. Mention your experience completing incident, accident, or use-of-force reports and any documentation systems you have used.
- Access control -- Highlight familiarity with badge readers, visitor management software, or manual sign-in procedures. Access control errors create liability, so specificity here matters.
- CCTV monitoring -- If you have operated surveillance systems, name the platforms or describe the scale of coverage you managed, such as a 40-camera system across a 300,000 square foot facility.
- De-escalation -- Employers value guards who resolve situations verbally before they escalate. Cite training credentials such as CPI certification or describe a situation where de-escalation produced a safe outcome.
How to write a security guard cover letter that gets interviews
1. Lead with your credentials
Open with your license status and years of experience. Do not bury your guard card in the second paragraph. Hiring managers screening 50 applications move quickly, and your certification tells them immediately whether you meet the baseline requirement for the role. If you hold an armed security license or CPR and first aid certification, include those in your opening lines as well.
2. Describe your specific post experience
Security work is site-specific. A guard who has worked hospital security brings different skills than one with experience at a data center or concert venue. Name the environments you have worked in and describe the unique challenges each presented. If you are applying for a security officer cover letter role with added supervisory responsibilities, emphasize any experience directing other guards or conducting post inspections.
3. Quantify your track record
Numbers make your letter credible. Specify the number of access points you monitored, the size of the facilities you patrolled, the number of incidents you handled per month, or your record of zero security breaches over a defined period. Avoid vague claims like "strong attention to detail" -- describe what that attention produced in practice. This same approach works for law enforcement cover letters and other public safety roles where documentation and outcomes carry weight.
4. Close with a direct statement of availability
Security roles often require shift flexibility, including overnight, weekend, and holiday coverage. Address this clearly in your closing paragraph. Confirm your availability, reference your license status one final time if applicable, and request a brief conversation. A confident, specific close outperforms a passive one every time.
Security guard cover letter example
Replace facility names, license numbers, and incident figures with your own verified details.
Subject: Application for the Security guard position

Before you send your application
Use this checklist to review your security guard cover letter before submitting:
- Confirm your guard card or license number is accurate and your license is currently active.
- Verify that you have named the specific facility, company, or contracting agency by its correct name.
- Check that your incident reporting and patrol experience is described with concrete numbers, not general statements.
- Confirm your shift availability is stated clearly, especially if the posting specifies overnight or weekend requirements.
- Review for spelling errors in security-specific terminology such as "surveillance," "trespassing," and "de-escalation."
For additional context on how security experience translates to related applications, see our guides on police officer cover letters and law enforcement cover letters. If you are applying for your first guard role, our no experience cover letter guide can help you build a competitive application from training, volunteer work, or military service.
FAQ
Do I need to include my guard card number in a security cover letter?
You do not need to include the full license number in every cover letter, but you should confirm that you hold a valid guard card and name the issuing state. For positions with armed security requirements, stating your firearms qualification and permit status is expected. Omitting license information from an application for a licensed role will typically result in an automatic disqualification.
How do I write a security guard cover letter with no experience?
Focus on transferable skills and relevant training. Military service, volunteer work with emergency response organizations, customer-facing roles that required conflict resolution, and completed guard training programs all provide useful material. State that you hold or are in the process of obtaining your guard card, and emphasize your reliability, physical fitness, and communication skills. Our entry-level cover letter guide provides a full framework for building a compelling letter when you are starting out.
What is the difference between a security guard and a security officer cover letter?
A security guard cover letter focuses on patrol duties, access control, incident reporting, and post-specific procedures. A security officer cover letter, particularly for senior or supervisory positions, typically also addresses staff oversight, post inspections, shift briefings, and client relationship management. If you are applying for a supervisory role, review our security officer cover letter guide for guidance on how to position leadership experience alongside your technical credentials.
Should I mention de-escalation training in my cover letter?
Yes, if you have completed certified training. De-escalation is one of the most valued competencies in modern security hiring because it reduces liability for employers. Name the specific training program, the certifying body, and the number of hours completed. If you have applied de-escalation techniques in real situations, describe one example briefly and state the outcome.
How long should a security guard cover letter be?
Keep it to one page, roughly 250 to 350 words. Security hiring managers review applications quickly, and a concise letter that leads with credentials and specific accomplishments performs better than a longer one padded with generalities. Every sentence should either confirm a qualification, describe a relevant experience, or advance the case for an interview.