Sigma Services Reviews 2025 – ComplaintsBoard

Latest Reviews and Complaints

Reviewer21079 of US

Nov 15, 2015 7:53 pm EST

New complaint

Featured review

Justin Culmo Rude, Unprofessional Arrogant Predator

We hired these people to provide special effects for an event and dealt with their engineer Justin Culmo. Their special effects did not work properly and Justin Culmo was very rude and dismissive to our complaint. He tried to blame us for the malfunctions. He was trying to hit on one of the teenage girls and was belligerent when she rejected his advance...

Read full complaint

How responsive is Sigma Services's customer service?

0 Resolved

2 Unresolved

Total complaints: 2

Resolved complaints: 0 (0%)

Unresolved complaints: 2 (100%)

Absolutely frustrating 🫠
It's quite possible that Sigma Services is not aware of the complaints or rarely monitors their existence because we find it hard to believe they don't care about their customers. We advise reviewers to be very careful and have a backup plan if their issue isn't addressed. Check out other unresolved complaints on ComplaintsBoard to avoid problems caused by Sigma Services's silence.

How is Sigma Services’s rated by customers?

Sigma Services’s earns a 1.0-star rating from 0 reviews and 2 complaints, showing that the majority of customers are dissatisfied with their experience.

Keywords

advances attention complaint engineer malfunctions price special effects equipment incompetent refund event incompetence teenage girls

Sort by:

no bang of US

Nov 15, 2015 1:13 am EST

Verified customer

Featured review

Faulty equipment, rude and arrogant service

Justin Culmo Sigma Services We hired these people to provide special effects for an event and dealt with their engineer Justin Culmo. Their special effects did not work properly and Justin Culmo was very rude and dismissive to our complaint. He tried to blame us for the malfunctions. He was trying to hit on one of the teenage girls and was belligerent when...

View 0 more photos

Read full complaint

Sigma Services earns a trustworthiness rating of 91%

Highly recommended, but caution will not hurt.

Our conclusion: After a detailed review, ComplaintsBoard finds Sigma Services to be a trustworthy company. Although there's a 0% resolution rate for customer complaints, which deserves attention, Sigma Services is known for their high standards and safety. If you're thinking about dealing with Sigma Services, it's wise to check how they handle complaints.

Sigmaservices.net has a valid SSL certificate, which indicates that the website is secure and trustworthy. Look for the padlock icon in the browser and the "https" prefix in the URL to confirm that the website is using SSL.

However ComplaintsBoard has detected that:

Sigmaservices.net to appear inactive or unused, such as technical issues or a temporary shutdown. In any case, if you are having trouble getting a response from the company or recovering your money, it may be wise to take further steps to protect yourself, such as seeking a chargeback from your bank or contacting a relevant consumer protection agency.
The website belonging to Sigma Services has a low number of visitors, which could be a red flag for users. However, it's important to conduct additional research to fully evaluate the website's legitimacy and trustworthiness.

Sigma Services reviews first appeared on Complaints Board on Nov 15, 2015. The latest review Justin Culmo Rude, Unprofessional Arrogant Predator was posted on Nov 15, 2015. Sigma Services has an average consumer rating of 1 stars from 2 reviews. Sigma Services has resolved 0 complaints.

Collect Your Trust Badge

Be recognized for outstanding customer service

Sigma Services Contacts

Sigma Services phone numbers

+1 (877) 867-8388

Click up if you have successfully reached Sigma Services by calling +1 (877) 867-8388 phone number 0 0 users reported that they have successfully reached Sigma Services by calling +1 (877) 867-8388 phone number Click down if you have unsuccessfully reached Sigma Services by calling +1 (877) 867-8388 phone number 0 0 users reported that they have UNsuccessfully reached Sigma Services by calling +1 (877) 867-8388 phone number

+1 (805) 642-8377

Click up if you have successfully reached Sigma Services by calling +1 (805) 642-8377 phone number 0 0 users reported that they have successfully reached Sigma Services by calling +1 (805) 642-8377 phone number Click down if you have unsuccessfully reached Sigma Services by calling +1 (805) 642-8377 phone number 0 0 users reported that they have UNsuccessfully reached Sigma Services by calling +1 (805) 642-8377 phone number

Sigma Services address

2140 Eastman Ave., #200, Ventura, California, 93003, United States

Sigma Services social media
Checked and verified by Jenny This contact information is personally checked and verified by the ComplaintsBoard representative. Learn more

Sep 21, 2025