/Companies

Topline Pro

YC W21

New York City, US · Founded 2020 · 28 employees · Hiring · 14 known investors

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Topline Pro provides AI-powered tools to help local service professionals like roofers, landscapers, and contractors get discovered online, manage customer relationships, and grow their businesses. The platform combines website building, lead management, customer messaging, reviews, and payment processing designed specifically for home service small businesses.

Also known as Dwelling Management, Inc. · Dwelling · Dwelling, ProPhone · ProPhone · Dwelling Management

AI & Machine LearningEnterprise SoftwareSaaSUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (W21)

Topline Pro was founded in 2020 by Nick Ornitz and Shannon Kay.

NONick Ornitz
Nick OrnitzFounderHe has worked in construction technology consulting with a focus on go-to-market and sales strategy, holds a degree in chemical engineering from Cornell University, and completed one year at Harvard Business School before joining his current company full-time.30 Under 30 2024
SKShannon Kay
Shannon KayFounderShannon Kay is co-founder and Chief Product Officer at ProPhone. She is pursuing a dual degree in Engineering Sciences and MBA from Harvard University and has background experience in data, analytics, and systems engineering.30 Under 30 2024
GN
Goss Nuzzo-JonesVice President of Engineering
SG
Sam GoldmanOperations Lead
MA
Maya AlperinPeople Operations Lead
MS
Maddy SickingerMarketing Lead
DS
Dan Stepanov
CM
carol malakasisSales Leadformer

Investors · 14

AltaIR Capitallisted by AltaIR CapitalHerzliya

How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Bonfire Ventureslisted by Bonfire VenturesLos Angeles · $2M – $6M

How we know: Bonfire Ventures's portfolio page · a partner's Signal profile · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Northzonelisted by NorthzoneLondon · $1M – $50M

How we know: Northzone's portfolio page · a partner's Signal profile · funding news · Y Combinator's founder network · Not right? Tell us

TMVlisted by TMVNew York · $1.5M

How we know: TMV's portfolio page · a partner's Signal profile · Y Combinator's founder network · open dataset · 5k.vc investor directory · Not right? Tell us

Altaclub VCreported$200K

How we know: Y Combinator's founder network · Not right? Tell us

BBG VenturesreportedNew York · $350K – $1.5M

How we know: a partner's Signal profile · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Harvard Management CompanyreportedAllston

How we know: Y Combinator's founder network · Not right? Tell us

Limited VenturesreportedMiami

How we know: Y Combinator's founder network · Not right? Tell us

R1VreportedSea Cliff

How we know: Y Combinator's founder network · Not right? Tell us

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Company profile

researched Aug 2026

Topline Pro is a New York-based software company that sells an AI-driven marketing, sales and operations platform to home service professionals such as landscapers, painters, plumbers, roofers, cleaners, remodelers and general contractors. The product is organized around three functions the company describes as "get work, win work, get paid": a custom, continuously optimized website with on-page and off-page SEO, Google Business Profile management, automated blog and social posting, and review collection; inbound lead handling including 24/7 call answering, job qualification, instant lead response and quoting; and back-office tools covering projects, scheduling, invoicing, card and ACH payments through a branded homeowner payment portal, and automated payment collections.

The platform is fronted by an assistant the company calls Sidekick, available over chat and voice, which drafts social posts, answers calls, builds quotes from a customer-specific "Scope Library" trained on the pro's past quotes, converts quotes to invoices and chases unpaid invoices. Topline Pro positions itself as neither a DIY website tool nor a lead marketplace: customers are discovered directly by homeowners and own the customer relationship, with no marketplace layer taking margin. The company originated as ProPhone, a video-chat service connecting plumbers with homeowners, and pivoted to the current website-and-growth product, which launched as a subscription in January 2022.

Company-reported traction includes more than 6,000 small businesses on the platform, 78,000 five-star reviews collected and over $1.2 billion in booked revenue generated for customers; at the time of the August 2025 Series B the booked-business figure cited was $655 million across pros in all 50 U.S. states.

Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.

Founder mafia

3 people who came through Topline Pro went on to found or lead other companies.

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Companies working in the same space as Topline Pro.

Legal entities · 1

corporate structure
Dwelling Management, Inc.

In the news

▸Research sources · 8

primary sources listed

8 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Topline Pro do?
AI-native platform that helps home service professionals get discovered online, win jobs and get paid.
Who founded Topline Pro?
Topline Pro was founded by Nick Ornitz, Shannon Kay in 2020.
Who are Topline Pro's investors?
Topline Pro's investors include AltaIR Capital, Bonfire Ventures, Flybridge Capital Partners, Forerunner Ventures, Northzone, Phoenix Fund, Tactile Ventures, TMV and 6 more.
Where is Topline Pro headquartered?
Topline Pro is headquartered in New York City, US.