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M & M Custom Design & Construction Group, Inc

Updated 2026-09-15 · 43,723 reviewed · 998 listed · Scored from 18 Google reviews · How we rank ›

4.7(18) 79 composite score See reviews on Google ✓ Google-verified Publishes prices
Gutter Installation & RepairCommercial RoofingRoof Replacement
M & M Custom Design & Construction Group, Inc
Location
Alpharetta
Services
Gutter Installation & Repair, Commercial Roofing, Roof Replacement
Reviews
18
Best for
Homeowners and businesses seeking long-term contractors for roofing, gutters, and renovation with proven attention to detail.

Business data from Google Business Profile, checked 2026-09-15. Facts from the business's own website were fetched 2026-08-26.

What reviewers think

Clients trust M & M with years-long relationships and return repeatedly. Jani and his team deliver polished work across roofing, gutters, and full renovations, finishing on time and within budget while staying responsive and tidy on site.

Praised for
  • honest and trustworthy
  • quality work and attention to detail
  • clear communication
  • fair pricing
  • punctual and professional
  • cleans up thoroughly after jobs
punctualfair-pricingskilled-workmanshipquality-materialsresponsive-communicationcleans-up-after-job
Best for: Homeowners and businesses seeking long-term contractors for roofing, gutters, and renovation with proven attention to detail.

Strengths

  • Multi-decade client relationships
  • Comprehensive roofing and gutter expertise
  • Responsive owner (Jani) presence
  • Transparent pricing and scheduling

Worth knowing

  • Owner Jani leads projects and responds directly to calls
  • Team members include Mehran and Johnnie, praised for specific expertise
  • Crew finishes jobs same-day or within two weeks depending on scope
  • One four-star review noted finishing work issues but were corrected on callback
  • Clients report using them for 10-20 years on multiple projects

How it compares

  • Rated 4.7 against a 4.81 average across the 728 gutter installation & repair businesses listed here.
  • Has more Google reviews than 40% of the businesses in this directory.

How did this business earn its score?

How We Score
Star rating 78
Review volume 56
Review recency 99
Review sentiment 82
Profile completeness 100
Verification 30

Rating breakdown

5
16
4
1
3
0
2
0
1
1

Questions people ask

How long does a typical project take?
Kitchen remodels and floor installations can be completed in under two weeks; bathroom and exterior projects vary. Owner Jani communicates timeline upfront.
Do you offer guarantees on work?
Team member Johnnie explicitly offers a guarantee on his work and will return immediately if finishing issues arise.
Can you handle both roofing and interior work?
Yes. M & M handles roofing, gutters, painting, bathroom remodels, flooring, kitchen updates, and full renovations for the same clients over many years.
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Last updated 2026-09-15