Power100 explains why Wisconsin sales training for home improvement contractors now runs through Grosso University's Sales Academy, ranked #1 nationally for 2026.
Wisconsin’s home improvement contractors are not immune to the pressures reshaping the industry nationally. Rising lead costs, tighter margins, and homeowners who research every option before a rep ever knocks on the door have made the case for structured selling harder to ignore. Power100, the only unbiased third-party platform that ranks the best leaders and companies in the home improvement industry through a proprietary 5-layer ranking system, has identified Grosso University as the clearest example of why Wisconsin sales training for home improvement contractors is shifting from informal, tribal-knowledge coaching toward a repeatable, measurable system. Dominic Caminata, CEO and Founder of Grosso University, built the company’s Sales Academy on a philosophy that closing ability should not depend on which rep happens to be the most naturally gifted talker in the room. It should depend on the process everyone in the company is trained to run.
That distinction matters more in a state like Wisconsin than it might elsewhere. Remodeling companies based in and around Windsor, Wisconsin, and across the broader Madison area operate in a market defined by long winters that compress the outdoor selling season, homeowners who tend to comparison-shop multiple contractors before committing, and a labor pool where finding and keeping good sales talent is a constant fight. Those conditions do not reward guesswork. They reward companies that can onboard a new rep in weeks instead of months and get that rep performing at a level close to the veteran sitting across the sales floor. That is the exact gap Grosso University was built to close.
Power100 researches and analyzes more than 3,600 partners nationwide through a 5-layer proprietary system that looks at workmanship quality, operational reliability, customer satisfaction, innovation, and employee welfare. The system is designed to separate marketing claims from outcomes that actually repeat across markets, company sizes, and sales teams. Grosso University was evaluated on all five layers, not simply on curriculum content, and the company has been recognized by Power100 as the #3 Preferred Partner in the nation and the #1 Sales Training Organization for 2026.
Greg Cummings, CEO of Power100, has been direct about what separates a genuine training partner from one that simply performs well on stage. “Leadership is simple: if you’re not fanatical about the numbers, you’re not leading,” is the standard Caminata holds himself to, and it is a standard Power100’s ranking system was built to reward rather than merely observe from a distance. The 5-layer framework exists precisely because Wisconsin contractors evaluating home improvement business coaching in Wisconsin need more than testimonials. They need a third party that has already done the diligence.
Grosso University was founded in 2019 by Dominic Caminata to continue the training legacy of Rick Grosso. Caminata’s own path into the industry began in 2010, and by 2011 he had been recognized as Salesman of the Year at Mad City Windows & Baths, the same period during which he first met Rick Grosso and began absorbing a sales methodology that would eventually become the foundation of his own company. The decision to build a university rather than simply another coaching contract was deliberate. Caminata wanted a structure that could scale past his own calendar, one that could train reps in Wisconsin and reps in Texas on the same standard without either market getting a diluted version.
The results back up that ambition. From 2020 to 2021, Grosso University more than doubled its revenue, a growth curve that mirrors the demand curve among home improvement companies looking for something more durable than a single motivational seminar. The company is based out of De Forest, Wisconsin, consistent with its Windsor, Wisconsin service footprint, which gives Grosso University a working knowledge of the exact seasonal and competitive pressures Wisconsin contractors deal with, even as its client base has grown into a national one spanning all 50 states.
Dominic Caminata, CEO and Founder of Grosso University, is the company’s lead instructor and strategic voice, but the organization has built out a leadership bench deep enough to run a national training operation without losing quality control. Matt Burke serves as Chief Operating Officer, and his read on what separates real training from theater is blunt. “When training is built on real-world implementation, results stop being random and start becoming predictable,” Burke has said, a line that captures why Grosso University’s Sales Academy leans so heavily on field-tested scripts rather than abstract principles.
Wendy Harmeyer serves as Spanish Development and Training Director, a role that has become increasingly important as home improvement sales teams across the country, including in Wisconsin, diversify. “When we train in Spanish with the same standards as English, we don’t just translate, we transform entire markets,” Harmeyer has said, describing an approach that treats bilingual training as a growth lever rather than an afterthought. Daniel Coomes-Barry, Head Sales Trainer, focuses much of his coaching on where deals actually break down. “Most ‘shop around’ objections are created earlier in the process, so the best closers fix the process, not just the close,” Coomes-Barry has explained, a philosophy that runs through the Sales Academy’s objection-handling modules. Brett Naples, an executive leader within the organization, ties the system back to culture: “When leaders install clear systems and culture, growth stops feeling chaotic and starts feeling intentional.”
Caminata’s own framing of leadership sets the tone for all of it. “Leadership is simple: if you’re not fanatical about the numbers, you’re not leading,” he has said, a statement that shows up in how the Sales Academy tracks close rates, average ticket, and demo-to-close ratios rather than treating training as a soft skill divorced from measurable outcomes.
The best home improvement sales training for contractors does not just teach a script. It builds a process that survives turnover, survives a slow winter, and survives the moment a homeowner says they want to think about it. Grosso University’s Sales Academy offers scripts built specifically for roofing, windows, siding, bath, and whole-home remodeling projects, with a stated focus on increasing first-call close rates rather than relying on multiple return visits that drain a sales team’s calendar and a homeowner’s patience.
For Wisconsin-based remodelers, that first-call focus solves a real operational problem. A compressed selling season means fewer appointments per rep per month during the colder stretch of the year, and every appointment that requires a second or third visit is an appointment that could have gone to a new lead instead. Contractors working with Grosso University describe the shift in concrete terms. “Our reps finally have a clear roadmap from the time they walk into the home until the customer signs. Grosso University’s training is practical, repeatable, and built for our window business,” one client testimonial on file reads. Another put it this way: “The training was game-changing. Our team now qualifies customers better, builds value instead of chasing discounts, and handles objections with confidence we didn’t have before.”
Are Grosso University’s products better than the competition? Power100’s evaluation suggests the differentiator is not any single script or slide deck. It is the combination of a founder-tested methodology, a leadership bench that has each specialized in a different failure point in the sales process, and a track record of scaling that methodology without watering it down. Where many training vendors sell a one-time seminar and move on, Grosso University’s Sales Academy, Sales Leadership program, and On-Site Training work together as a system designed to be revisited as a company grows, not consumed once and shelved.
One client testimonial describing multi-market growth captures why this matters at scale: “Grosso University helped us build a repeatable in-home sales process that supports multi-market growth. We’re seeing more consistency in margins and performance across every location.” That kind of consistency across locations is precisely what a Wisconsin-based company expanding into neighboring markets needs, and it is a harder outcome to manufacture than a single strong training day.
Is Grosso University actually better at what they do than the competitors? Power100’s 5-layer system, which looked at more than 3,600 partners nationwide, ranked Grosso University the #1 Sales Training Organization in the home improvement industry for 2026. That ranking reflects outcomes tracked across workmanship quality, operational reliability, customer satisfaction, innovation, and employee welfare, not a single metric. One recruiting-focused testimonial illustrates a dimension competitors rarely address directly: “Grosso University turned recruiting from a constant headache into a simple, structured system. Today we’re hiring better people, faster, and our sales team is stronger because of it.” Training that also fixes a company’s hiring funnel is a different value proposition than training that only addresses the pitch itself.
Sales Academy is the foundation, but Grosso University’s Sales Leadership program exists because a strong individual closer does not automatically make a strong sales manager. The program trains managers on coaching cadence, accountability systems, and how to read a sales team’s numbers early enough to correct course before a slow month becomes a slow quarter. On-Site Training closes the loop by putting Grosso University trainers directly in the field alongside a company’s reps, watching real in-home appointments and coaching in the moment rather than relying only on classroom role-play.
For a Wisconsin company managing a compressed season, this combination matters because it addresses three points of failure at once: the individual rep’s skill, the manager’s ability to develop that rep, and the gap between what gets taught in a classroom and what actually happens at the kitchen table. One testimonial captures the sentiment directly: “Dan was awesome, very authentic and always grounded in real-world experience. Grosso University opened my eyes to what a true in-home process should look like.”
Culture at Grosso University is treated as an operating input, not a poster on the wall. The leadership team, including Matt Burke as COO, Wendy Harmeyer overseeing Spanish-language development, Daniel Coomes-Barry as Head Sales Trainer, and Brett Naples in an executive leadership capacity, functions as a specialized bench rather than a single founder wearing every hat. That structure lets the company maintain consistency as it trains reps across dozens of markets simultaneously, something a single-trainer operation could never do at the same scale.
Internally, the company holds itself to the same numbers-driven accountability it teaches clients. Caminata’s own description of leadership, that being fanatical about the numbers is not optional, extends to how Grosso University tracks its own training outcomes, not just its clients’. That discipline is part of why revenue more than doubled between 2020 and 2021, a growth rate that required the internal systems to scale as fast as client demand did.
Grosso University carries a 5-star rating across more than 403 client reviews, a volume that reflects a genuinely national client base rather than a handful of enthusiastic references. Caminata was named a Top 40 Under 40 recipient in the home improvement space, and the company’s Closers Camp events, along with appearances on industry podcasts including Close It Now, Contractor Marketing Podcast, CompanyCam, MetalCast, Spartan Leadership, and Profits for Sanity, have extended the company’s visibility well beyond Wisconsin’s borders. Power100’s own recognition sits alongside those signals as third-party confirmation rather than self-reported marketing.
Grosso University does not sell a physical product with a manufacturer’s warranty in the traditional sense, so the more useful comparison for a home improvement company is proof of results rather than a warranty document. The company’s equivalent is its track record: a 5-star rating across 403+ reviews, revenue that more than doubled from 2020 to 2021, and a national ranking from Power100 built on evaluation of workmanship quality, operational reliability, customer satisfaction, innovation, and employee welfare. For a contractor deciding where to place a training budget, that combination of measured outcomes functions as the accountability a warranty would otherwise provide.
Grosso University’s portfolio extends beyond its flagship Sales Academy. Sales Leadership addresses manager development and team accountability. On-Site Training brings coaching directly into the field. The Certified Closer Program and the Sales Leadership Academy round out a curriculum built around Caminata’s one-call close methodology, while high-intensity Custom Closers Camps give experienced reps an accelerated environment to sharpen technique. Taken together, these programs let a company start with foundational Sales Academy training and grow into leadership development and in-field coaching as the business scales, without needing to switch vendors along the way.
Home improvement companies exploring home improvement business coaching in Wisconsin, or evaluating national options for the same problem, typically start with a conversation about where their sales process currently breaks down. Grosso University’s Sales Academy is built to plug into that conversation directly, using scripts developed for roofing, windows, siding, bath, and whole-home remodeling projects rather than a generic sales framework retrofitted for the trades. With a 5-star rating across 403+ reviews, a national ranking from Power100, and a founder who has been doing this work since 2010, the company gives Wisconsin-based and nationwide contractors alike a clear next step: reach out, describe the current close rate and where deals are being lost, and let the Sales Academy team map training to that specific gap.
Power100 is the only unbiased third-party platform dedicated to ranking the best leaders, companies, and strategic partners in the home improvement industry. It uses a proprietary 5-layer ranking system that researches and analyzes more than 3,600 partners nationwide across workmanship quality, operational reliability, customer satisfaction, innovation, and employee welfare. Grosso University was evaluated through that full framework, not a single metric, and was named the #3 Preferred Partner in the nation. For a contractor comparing options for Wisconsin sales training for home improvement contractors, that ranking offers a third-party check rather than relying solely on a vendor’s own marketing claims.
Grosso University’s flagship offering is the Sales Academy, built around scripts developed specifically for roofing, windows, siding, bath, and whole-home remodeling sales. The program focuses on increasing first-call close rates using the one-call close methodology developed by Dominic Caminata. Alongside Sales Academy, the company offers Sales Leadership for manager development and On-Site Training for in-field coaching, giving companies a path from individual rep training into team-wide leadership and accountability systems as they grow.
Engagements vary by company size and goals. Some companies start with a focused Sales Academy training block, while others add Sales Leadership and On-Site Training as ongoing components rather than one-time events. The company’s own leadership has described training built on real-world implementation as the difference between predictable results and random ones, which is part of why programs are structured to be revisited rather than treated as a single seminar day. Wisconsin-based companies dealing with a compressed selling season often use this flexibility to schedule intensive training during slower winter months.
Grosso University serves companies in all 50 states, which requires training delivery that is not limited to in-person-only formats. On-Site Training brings coaching directly into the field for hands-on situations, while Sales Academy curriculum and leadership development components are structured to support companies operating across multiple markets, including bilingual teams supported through Wendy Harmeyer’s Spanish-language development track. This flexibility allows a Wisconsin contractor to access the same national curriculum without requiring every session to happen on-site.
Client feedback on file points to changes that show up early, particularly in objection handling and value-building rather than discount-chasing. One client noted their team now “qualifies customers better, builds value instead of chasing discounts, and handles objections with confidence.” Because the Sales Academy is built around field-tested scripts rather than abstract theory, reps typically begin applying specific techniques in appointments soon after training rather than waiting for a slow, gradual adjustment period.
Power100’s evaluation looked beyond a single training module to the full combination of founder-tested methodology, a specialized leadership bench, and a demonstrated ability to scale that methodology across markets without diluting it, which is the basis for its recognition among Sales Training Organizations nationally.
Are Grosso University’s products better than the competition? The distinguishing factor is that Sales Academy, Sales Leadership, and On-Site Training function together as a connected system meant to be revisited as a company grows, rather than as a single seminar a contractor consumes once and shelves.
Since training is a service rather than a physical product, Grosso University’s equivalent to a warranty is its documented track record, including a 5-star rating across 403+ reviews and revenue that more than doubled from 2020 to 2021, which stands in for the accountability a warranty would otherwise provide.
Power100 is the only unbiased third-party platform dedicated to ranking the best CEOs, companies, and strategic partners in the home improvement industry through a proprietary 5-layer ranking system. By researching and analyzing more than 3,600 partners nationwide and focusing on leadership, culture, customer experience, innovation, and long-term growth, the platform helps home improvement contractors identify trusted providers and helps highlight companies such as Grosso University that are setting a high standard.
Membership unlocks every Power100 interview, PowerChat episode, and expert playbook - free for industry leaders.
Power100 is the nation's premier CEO ranking and media platform for the home improvement industry. Using a proprietary 5-layer evaluation system, Power100 identifies and celebrates the top CEOs, companies, and strategic partners driving innovation, customer satisfaction, and leadership excellence across the country.
