The Best Security Guard Services in North Carolina
We graded 5 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 7,389 Google reviews of 36 top-rated security guard services nationwide; 5 of them in North Carolina. Updated November 2, 2026.
Find the right company for your job
Pick the job — we re-rank companies by how customers rated that exact job.
Best security guard services in North Carolina for lock rekeying
Clear ✕Job match = this company’s ★ on reviews Google tagged “Lock rekeying” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.
What customers said about lock rekeying
I called him out for two separate services once to rekey my house and once to get new keys for both my cars. He was super nice and professional. He came after the kids were put to bed for the night and he made sure he was super quite the whole time to not wake them up. I will always recommend him for any locksmith needs.
[EDITED IN RESPONSE] I stand by my comments, buyer beware, and If you took the time to respond, then I implore you to consider changing your practices. [END OF UPDATE] Watch the invoice you get, there will be surprise charges in there, and they are rude to the point of being abusive. Their quoted prices mean…
I had an amazing experience with Ivan! He arrived quickly, was professional, and got the job done in no time. Super friendly and knowledgeable—definitely someone you can trust. Would absolutely recommend.
Great services! Young gentleman was very smart and professional. He provided outstanding services at a very reasonable price 👏! I highly recommend his Great services to anyone 👍
I recently used American security and lock in Raleigh when I was locked out of my house, and I could not be happier with the service. They answered my call right away, arrived quickly, and had me back inside within minutes. Their locksmith was professional, friendly, and clearly experienced. What really stood out…
I used American Security and Lock Inc. today, and honestly, they were great. They picked up the phone right away, gave me the price upfront, asked all the right questions—like what kind of vehicle I had—so there was no confusion. I had a bad experience with another locksmith company before, where I showed up and…
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of security guard services).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
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| 1 |  Security Compliance AcademyHolly Springs, NC | A 100How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 69%100+69.2Reliability 31%100+30.8Experts Score= 100Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––A– | 5.00 | — |
| 2 |  SECUR-TEKHolly Springs, NC | A 89How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%88+48Reliability 24%84+20.4Value 14%98+13.9Replies to reviews 7%100+7.1Experts Score= 89Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAA | 4.86 | — |
| 3 |  AARDWOLF INTERNATIONAL: Protection * Investigations * ConsultingHolly Springs, NC | A 86How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 69%90+62.3Reliability 31%76+23.4Experts Score= 86Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AB––A– | 4.85 | — |
| 4 | American Security & Lock Inc.Holly Springs, NC | B 76How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%82+44.7Reliability 24%61+14.8Value 14%86+12.2Replies to reviews 7%79+5.6Momentum penalty90−1Experts Score= 76Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABAAAB | 4.83 | $246 |
| 5 |  Renfrow SecurityHolly Springs, NC | C 52How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%55+30Reliability 24%39+9.5Value 14%83+11.7Replies to reviews 7%90+6.4Momentum penalty39−6.1Experts Score= 52Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | CDAADA | 4.67 | — |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
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Security Guard Services in North Carolina at a glance
How the 5 security guard services we rated in North Carolina compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A360%
- Grade B120%
- Grade C120%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up120%
- 4.80–4.89★360%
- 4.60–4.79★120%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality13621%
- Professionalism20130%
- Responsiveness14522%
- Punctuality7311%
- Value10716%
Was the price fair?
All price verdicts left with reviews.
- Great price2846%
- Reasonable3252%
- Overpriced12%
- Not sure00%
Price verdicts by year
Share calling it great / reasonable / overpriced.
How we grade
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.