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A Very Good Cleaning Company is a Derry-area cleaning business run by Mark and Tammy, according to the company's website and recent customer reviews. The company says it has been operating since 1999 and offers residential and commercial carpet, hardwood-floor, upholstery and related surface cleaning; it also describes itself as locally and veteran-owned and says its technicians are IICRC- and NADCA-certified. The recent customer history is substantial: Google shows 4.9 stars from 225 ratings, with 30 reviews in the last six months. People repeatedly describe carpets, rugs, couches, stairs and floors coming back clean, with specific praise for removing pet stains and odors, explaining the process, arriving on time and fitting in urgent jobs. Several reviewers mention Mark and Tammy by name, and some say they returned for additional rooms or would use the company again. There are two detailed negative reviews worth discussing before booking. In April 2026, a customer with fragrance sensitivities said the cleaning solution smelled strongly despite asking about perfumes in advance and that the result worsened their problem. An older commercial-cleaning review described a large job where carpets were not vacuumed thoroughly, stains remained, and light furniture was not moved; the customer said the work did not meet expectations. Another review praised the cleaning but suggested using drop cloths to protect hardwood floors from solution. For routine carpet, rug, upholstery and hard-floor cleaning, the customer history points to a responsive small team with many repeat customers and strong recent results. If fragrance sensitivity, a commercial deep clean, delicate rugs or floor protection matters, confirm the products, equipment, scope, furniture-moving expectations and follow-up policy in writing before the appointment.
Mark and Tammy are amazing people and very professional. They did a fantastic job on my carpet and very reasonably priced. I reached out to multiple businesses because my elderly cat is end of life and was skipping the cat box. Mark got me in as soon as possible, explained the process for my specific issue and were very thorough. HIGHLY RECOMMEND!
Our carpet was cleaned and shades whiter than it was before. Will use their service again for other rooms when they need it.
Had a great experience with Mark and Tammy. They went above and beyond anything I expected and the carpets came out beautiful! Had some bad staining in one of the bedrooms and they got it perfect and also had bad bad pet stain problems on the lower level and they knocked that out of the park as well. Highly recommend!
A professional, excellent rug cleaning company. Mark and Tammy did an amazing job and brought our older carpets back to life. They honestly take pride in the work they do.
Did a fabulous job on the carpets and sectional couch. Couldn’t be happier about how it all came out.
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Certified attributes are verified against the public registry. Others are the business's own statement.
1 change recorded — last scanned Aug 30, 2026.
