Nick Spost, Owner · Established 2011
Accreditation Status
Cycle 2026
Status
Not Accredited
Review not yet completed
ARCO Accreditation is reserved for roofing businesses that complete a comprehensive review and meet ARCO's required qualification threshold. Not every business reviewed qualifies.
Issued only after successful review
Accreditation No.
Not Issued
Accreditation Status
Not Accredited
Accreditation Review
Not Completed
Qualification Status
Not Determined
About ARCO Accreditation
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Provide your contact information below. ARCO will review your inquiry and determine whether your business may be invited to complete the accreditation review process.
Public Record
Findings drawn from public records, manufacturer registries, and third-party review platforms — synthesized using ARCO Standard 2026.1.
Public Signals Reviewed
15
across 4 categories
Customer Review Rating
4.8/5.0
across 20 verified reviews
Years in Business
15+yrs
Founded 2011
Accreditation Review
Not Yet Completed
Qualification has not been determined
Accreditation Committee Review
No committee determination has been issued.
Not Yet ConductedThe source findings below have been independently verified for this company profile. A formal ARCO Accreditation Committee review has not yet been completed, and qualification for accreditation has not been determined.
Only businesses that complete the full review and meet ARCO's required threshold may receive accreditation.
Signal
SAM.gov federal exclusions
Result
No exclusions found
Checked August 2026
SAM.gov
Signal
Manufacturer certifications
Result
Owens Corning Preferred · CertainTeed ShingleMaster
Manufacturer programs
Signal
Years in operation
Result
15+ years continuous
Founded: 2011
Verified record
Signal
Owner/principal
Result
Mr. Nick Spost
Manual collection
Signal
Service mix
Result
Listed services available
Service area: Oklahoma City, Edmond, Colorado Springs, Denver
Website profile
Signal
Website registration
Result
Registered: Dec 22, 2014
WHOIS/RDAP
Signal
Google Business Profile
Result
ACS-Alliance Construction Services
Edmond, OK
Signal
Aggregated marketplace rating
Result
4.8 / 5.0 across 20 reviews
Google 4.8 (20)
Multi-source
Signal
Review volume
Result
20 stored public reviews
Multi-source
Signal
Customer review excerpts
Result
8 qualifying reviews on file
Multi-source reviews
Signal
BBB rating
Result
A+ / BBB Accredited
BBB Accredited since: Feb 24, 2015
BBB profile
Signal
OSHA findings
Result
No violations across 0 inspections
OSHA
Signal
BBB complaint history
Result
No complaints filed in the last 36 months
Years in business: 15 - Business started: Jan 1, 2011
BBB profile
Public records and third-party platform data may change over time. ARCO does not guarantee ongoing third-party accuracy.
OK-260808-1008
·
Evaluated Aug 8, 2026
·
Independently verifiable at
RoofingContractors.org/verify/OK-260808-1008
Eligibility · All Cleared
ARCO automatically withholds accreditation when any of the following findings are present. ACS - Alliance Construction Services's record was checked against each.
Active SAM.gov federal exclusion
OSHA willful violation or 3+ repeat violations on record
BBB rating of C, D, or F
Avg. customer rating < 4.0 (with ≥ 20 reviews)
Alliance Construction Services, LLC is an Edmond, Oklahoma-based business owned by Mr. Nick Spost. The company specializes in professional roofing services for the local area.
Contact ACS - Alliance Construction Services to confirm availability for your project in Oklahoma.
ARCO Review Findings
ACS - Alliance Construction Services, LLC is highly regarded for the professionalism, integrity, and extensive industry knowledge of Nick Spost, Angel, and their team. Clients consistently praise the company for their helpful communication, ability to navigate insurance claims, and efficient, high-quality workmanship that includes thorough site cleanup.
Angel and Nick are a INCREDIBLE team! Angel is a great Project Manager and Nick is a great owner ! I will continue repeat business with this company!
Nick was awesome. He took the time to do things right and what I love about most about him is his integrity. When you get a new roof or do a construction process, it is a huge investment. How do you protect your investment? By having the right person(s) doing the work… aka Nick and his team. I can’t say enough good things about Nick and his crew!
With all the rain and hail this year, we had some damage to our roof causing it to rain in my kitchen. Being my first roof replacement, it was pretty overwhelming but Angel with ACS was a huge help with navigating the entire process. He really goes above and beyond for his clients and I highly recommend ACS for your roofing needs!
WOW!!! What an easy process for me! I looked for a company that would be honest and helpful and did I hit the jackpot! Nick and his team were so kind and helpful, but the most important thing for me is how personable a company can be. Nick explained everything to me and probably more than once, gave me good advice and professional honest answers! Never once did I feel he was trying to take advantage of an old woman and do the “salesman” pitch and that meant the world to me. The team got here, set up and did their setting up and were very friendly even at 7:15 in the morning! When I left for work, I told them thank you snd have a great day and they responded back with a smile and waves! Came home from work, everything finished and cleaned up! Thank you Nick, I so appreciate you and your team!
I received Nick Spost's, General Manager of ACS, name from someone who had highly recommended Nick based on their experience to perform the roof and wood siding removal and instllation that I was requiring on my house and external garage. His services also included replacement of wind turbines, windows and a storm door, new guttering, and painting. Nick is very professional and was always forth coming in answering any questions I had regarding materials, workflows and recommendations to the project. I would highly recommend Nick Spost and his team(s) to others. Thank You.
Review data aggregated from public sources · ARCO does not moderate third-party reviews
The difference between "good enough" and proven excellence. Only the top roofers in America earn ARCO Accreditation — recognition of true craftsmanship, ethics, and integrity.
Peace of Mind: Every ARCO-Accredited roofer has been checked against public licensing records, safety records, complaint history, and verified customer reviews.
Work You Can Trust: ARCO's evaluation includes manufacturer certification programs — credentials that can help preserve your roof's warranty coverage.
Verified, Not Self-Reported: ARCO's findings come from government and third-party sources — state filing offices, SAM.gov, OSHA, and the BBB — not from paperwork a contractor submits about itself.
A Public Paper Trail: Every accredited profile publishes its report number, evaluation date, and sources — so any homeowner can independently verify the findings at RoofingContractors.org.
Contact ACS - Alliance Construction Services
Call (405) 751-1195 or request a written estimate through allianceconstructionservices.com.