Warmly, (acquired by HubSpot)
Warmly is a marketing software company that uses AI to identify target customers and optimize engagement channels, acquired by HubSpot. It had raised $22M in funding and employed 70 people before acquisition.
The growth story
Warmly, (acquired by HubSpot) grew from 21 to 70 employees between 2021 and 2026, raising $22M along the way, most recently a Series A in February 2025.
About
Warmly sells AI-powered tools that help businesses identify potential customers, track their buying signals, and automate outreach. Its software claims to increase website traffic 10x and conversion rates 3x.
The company was founded in 2020 and raised $22M in Series A funding in February 2025. It grew to 70 employees before being acquired by HubSpot, though its headcount growth rate is unknown.
Founders and leadership
Sales is Warmly's largest function with 12 employees. The company has a median tenure of 1 year, suggesting rapid team turnover or expansion.
The Warmly, (acquired by HubSpot) org chart
maximus greenwald (Cofounder & CEO) leads 12 mapped leaders with 4 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Sales 13 (-54% YoY), Business Development 11 (-21% YoY), Engineering 10 (-52% YoY), Operations 7 (+17% YoY), Customer Success and Support 4 (-50% YoY), Marketing 3 (-57% YoY).
Talent flow
Warmly's employees come primarily from marketing agencies and tech companies like Growth Era, Slice, and Google. After leaving, many join HubSpot, Docket, and SalesIntel.io.
Most common previous employers of Warmly, (acquired by HubSpot) staff: Growth Era (4), Slice (3), International Marketing Agency (3), Agile Pro Solutions (3), Google (2), Motive (2). Former Warmly, (acquired by HubSpot) employees most often moved to HubSpot (4), Docket (3), SalesIntel.io (3), Social Snowball ☃️ (2), Criteria (2), Nooks (2).
Alumni worth knowing
The Warmly, (acquired by HubSpot) mafia
Warmly alumni have founded 6 companies, including ODF (760 staff), TeamUp Therapy (8 staff), and EightfoldSystems (3 staff).
6Andrew Simpson, was I Led Growth until 2021Chris Moates, was Business Development until 2022Oliver Jankoski, was GTM Engineer until 2026Gabby Mazzucca, was Sales Manager and BDR Director until 2025Vojdan Bekarovski, was Partnerships Development Representative until 2026Val Yermakova, was Co-Founder, Product, Design until 2022Web traffic
Traffic mix: 30% direct, 51% search, 7% social, 6% paid.
What this company is made of
Most common skills at Warmly, (acquired by HubSpot): Microsoft Excel (28), Communication (27), Sales (26), Sales Operations (26), Leadership (23), Marketing (23), Lead Generation (23), Management (22).
Where the team actually sits
Warmly, (acquired by HubSpot) people are concentrated in Skopje Statistical Region, North Macedonia (9), São Paulo, Brazil (4), California, United States (3), Sindh, Pakistan (3).
Search footprint
Warmly, (acquired by HubSpot) attracts about 3,935 organic search visits a month, traffic worth roughly $35K a month if bought through ads. It gained 1,132 ranking keywords and lost 695 in the last period.
What employees say
- Compensation
- 4.60 / 5
- Career opportunities
- 4.40 / 5
- Senior management
- 4.40 / 5
- Work-life balance
- 4.50 / 5
Frequently asked
Warmly, (acquired by HubSpot) has 70 employees as of September 2026.
Warmly, (acquired by HubSpot) has raised $22M in total, most recently a Series A round in February 2025.
Warmly, (acquired by HubSpot) was founded in 2020 by maximus greenwald, Carina Boo, Ryan Beyer.
maximus greenwald (Cofounder & CEO) sits at the top of Warmly, (acquired by HubSpot)'s reporting structure, with 4 direct reports.
The most common previous employers of current Warmly, (acquired by HubSpot) staff are Growth Era (4 people), Slice (3 people), International Marketing Agency (3 people).
Former Warmly, (acquired by HubSpot) employees most often move to HubSpot (4), Docket (3), SalesIntel.io (3).
At least 6 companies have a founder who previously worked at Warmly, (acquired by HubSpot), including ODF, TeamUp Therapy, EightfoldSystems.
Warmly, (acquired by HubSpot) attracts about 3,935 organic search visits a month, worth roughly $35K a month in equivalent ad spend.
The most common skills among Warmly, (acquired by HubSpot) staff are Microsoft Excel, Communication, Sales, Sales Operations, Leadership.
Warmly, (acquired by HubSpot) staff are concentrated in Skopje Statistical Region, North Macedonia (9), São Paulo, Brazil (4), California, United States (3).
Warmly, (acquired by HubSpot) has about 13 people in Sales, down 54% over the past year, as of September 2026.
Warmly, (acquired by HubSpot) has about 11 people in Business Development, down 21% over the past year, as of September 2026.
Computed from 41 current and 131 former Warmly, (acquired by HubSpot) profiles, as of September 2026. Source: Crustdata.
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