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Ressio

Washington, US · Founded 2022 · Delaware corporation · 50 employees on LinkedIn · 1 known investors

Find your way into Ressio

766 people in our graph share verified history with the Ressio team — schools, employers, funds. One of them is your warm intro.

Kike Mirallesunlockedknows Mitchell Kasselman · together at McKinsey & Company (overlapped)
×3knows the team · via ZS
×8knows the team · via McKinsey & Company

Ressio is a construction management platform for custom home builders and remodelers that combines estimating, proposals, budgets, selections, scheduling, change orders, invoicing, and client communication in one system, with QuickBooks syncing for cost tracking. It includes an AI layer called Mason that reads and writes across projects, budgets, schedules, and client threads to automate workflows.

AI & Machine LearningConstruction TechSaaS

Founders & leadership

Ressio was founded in 2022 by Mitchell Kasselman.

MKMitchell Kasselman
Mitchell KasselmaninCo-Founder & CEOHe previously held a leadership position at ServiceChannel before its acquisition by Fortive, and worked as a consultant at McKinsey.
YL
Yu LiuNamed on SEC filing

Board

JDJacob DeMarco
Jacob DeMarcoinBoard ObserverInvestor at Blueprint Equity
SLSheldon Lewis
Sheldon LewisinBoard directorManaging Partner at Blueprint Equity

Investors · 1

Blueprint Equityreported · 2 sourcesLa Jolla · $1M – $10M

Reported raises · per SEC filings

Form D private placements

$11.7M disclosed across 2 rounds · 2023–2026

▶$8.7MraisedJan 2026 · 8 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Yu LiuExecutive Officer, Director, Promoter
  • Jacob DeMarcoDirector
  • Sheldon LewisDirector
  • Mitchell KasselmanExecutive Officer, Director, Promoter
Offering amount
$8.7M
Amount sold
$8.7M
First sale
Jan 2026
Incorporated
Corporation, Delaware, 2022
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$3MraisedOct 2023 · 1 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Mitchell KasselmanExecutive Officer, Director, Promoter
  • Yu LiuExecutive Officer, Director, Promoter
Offering amount
$4M
Amount sold
$3M
First sale
Sep 2023
Incorporated
Corporation, Delaware, 2022
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 2

by search overlap
Procore21 shared keywordsProcore provides cloud-based construction management software that unifies project planning, financials, bidding, BIM, resource tracking, and invoicing on a single platform. It serves construction firms by connecting field and office teams for real-time project visibility.
Adaptive16 shared keywordsAdaptive is an AI project accountant for construction firms that automates financial tracking, change order management, invoicing, and vendor compliance across the project lifecycle. It integrates with existing accounting systems to serve general contractors, specialty trades, and developers with $5M–$1B in revenue.

Companies competing with Ressio for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Ressio Software: Series A Raised To Expand AI Tools For Residential Builderspulse2.com · Jan 2026Ressio Software Raises Series A Funding | The SaaS Newsthesaasnews.com · Jan 2026Ressio raises $8.75M as DC startups expand beyond gov techtechnical.ly · Jan 2026D.C. startup Ressio raises $8.75M to expand AI tools for residential construction - Washington Business Journalbizjournals.com · Jan 2026Snell & Wilmer Represents Blueprint Equity in Series A Financing for Ressio Software - Law Offices of Snell & Wilmerswlaw.com · Jan 2026Ressio Software Raises Series A Led by Blueprint Equity to Accelerate AI Investment for Residential Buildersfinance.yahoo.com · Jan 2026

Frequently asked questions

What does Ressio do?
Ressio is a construction management platform for custom home builders and remodelers that combines estimating, proposals, budgets, selections, scheduling, change orders, invoicing, and client communication in one system, with QuickBooks syncing for cost tracking. It includes an AI layer called Mason that reads and writes across projects, budgets, schedules, and client threads to automate workflows.
Who founded Ressio?
Ressio was founded by Mitchell Kasselman in 2022.
Who are Ressio's investors?
Ressio's investors include Blueprint Equity.
How much funding has Ressio raised?
Ressio has disclosed $11.7M raised across 2 rounds.
Where is Ressio headquartered?
Ressio is headquartered in Washington, US.