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Grand Cove Welding offers welding at its Plymouth shop and on location, working with aluminum, steel and stainless steel. The business says it serves residential repair customers as well as marine and commercial construction clients across Cape Cod, the South Coast and the South Shore; Boston and New Bedford are also named in its service area. Its website names Dan McColgan as the contact. Customer reviews from 2021–2025 praise workmanship and pricing. In an October 2021 Google review, a contractor described hiring Dan for welding at a government jobsite. The reviewer praised his communication, fair price and welding setup, saying it protected both Dan and the public. They also said Dan helped with other site work when they were shorthanded. A December 2021 customer said he returned their call within minutes and praised his helpfulness and workmanship. Reviews published in December 2024 and March 2025 also praised the work and fair prices. Google reports a 5-star average from six ratings. The business's own description includes metal fabrication, structural welding, marine work on docks, hulls and boats, and general welding repairs. It also states DOT and OSHA certifications.
“Meet Dan McColgan of Grand Cove Welding in Plymouth”
Great work and very fair prices. Highly recommend
Great work fair pricing will be using them again for sure 10/10 service!
Dan was very responsive and professional. He returned my phone call within minutes and was very helpful. I Love dealing with local companies. His service and workmanship was top notch. Thank you!
I would give Dan more than 5 stars if I could. Dan came to me recommended from a trusted colleague and from the start his communication was professional, prompt, and courteous, and his price was also very fair. I was shorthanded at my jobsite the day Dan arrived for the welding, and he saved my day by graciously helping me with some other site work that was definitely not in his job description. I cannot stress enough that Dan did not complain even once. We were working at a high-visibility government site, and Dan's welding work was top notch and his setup ensured the safety of both himself and the public. If all my subcontractors could be like Dan it would make my life a lot easier!
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1 change recorded — last scanned Sep 30, 2026.
Fair, transparent pricing4.6
