Zefir

Internet Marketplace PlatformsParis, Île-de-France, FranceFounded 2021130 employees$57M raised

Zefir is a Paris-based AI platform that matches home buyers and sellers in Europe, claiming to halve the time it takes to complete transactions compared to traditional methods. The company has raised $57 million from investors including Sequoia Capital and employs 130 people.

+100%
Engineering is Zefir's fastest-growing team over the past year, now 20 people.
10
10 companies were started by ex-Zefir people.
Employees
130
Total raised
$57M
Last: Series B
Open roles
1
0% vs last year
Site visitors
230K
per month
Alumni founders
10
companies started

The growth story

Zefir headcount and funding130 people today
130$5M$23M$12M$17M130202120222023202420252026
Data by CrustdataCrustdata

Zefir grew from 12 to 130 employees between 2021 and 2026, raising $57M along the way, most recently a Series B in September 2025.

About

Zefir sells AI software that automates the home buying and selling process in Europe. Its systems aim to match buyers and sellers more efficiently than human agents, targeting homeowners looking for faster property transactions.

The company has raised $57 million, including a Series B round in September 2025. With 130 employees, Zefir's sales team makes up nearly a third of its workforce, suggesting a focus on customer acquisition.

Founders and leadership

Sales is Zefir's largest department, accounting for 40 of its 130 employees. The company's leadership includes founders with backgrounds in European tech and finance, though specific roles aren't detailed.

The Zefir org chart

Remy Fabre (Co-Founder & CEO) leads 38 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 functiongrowth vs 12 months ago
SSales
47+42%
EEngineering
20+100%
OOperations
13+18%
BBusiness Development
10+25%
PPurchasing
5+150%
CCustomer Success and Support
5+25%
AArts and Design
40%
MMedia and Communication
4+100%
PProduct Management
4+100%
Data by CrustdataCrustdata

Headcount by function: Sales 47 (+42% YoY), Engineering 20 (+100% YoY), Operations 13 (+18% YoY), Business Development 10 (+25% YoY), Purchasing 5 (+150% YoY), Customer Success and Support 5 (+25% YoY).

Talent flow

Zefir recruits heavily from French tech companies, with Doctolib and Uber being its top sources of hires. Employees typically stay for two years before moving on, often to other French startups like Joko and Pelico.

Where Zefir people come from, and where they go88 current + 123 former profiles
5 people: Doctolib → Zefir5 people: Uber → Zefir3 people: Back Market → Zefir3 people: Matera → Zefir2 people: Luko by Allianz Direct → Zefir2 people: Boston Consulting Group (BCG) → Zefir2 people: Alan → Zefir2 people: Ubisoft → Zefir2 people: Zefir → Joko2 people: Zefir → Pelico2 people: Zefir → Railblocks2 people: Zefir → RAISE STUDIO2 people: Zefir → Uber1 people: Zefir → Mooncard1 people: Zefir → Caraz1 people: Zefir → GitGuardianZefir130 peopleCAME FROMWENT TODoctolib5 peopleUber5 peopleBack Market3 peopleMatera3 peopleLuko by Allianz Dir…2 peopleBoston Consulting G…2 peopleAlan2 peopleUbisoft2 peopleJoko2 peoplePelico2 peopleRailblocks2 peopleRRAISE STUDIO2 peopleUber2 peopleMooncard1 peopleCaraz1 peopleGitGuardian1 people
Data by CrustdataCrustdata

Most common previous employers of Zefir staff: Doctolib (5), Uber (5), Back Market (3), Matera (3), Luko by Allianz Direct (2), Boston Consulting Group (BCG) (2). Former Zefir employees most often moved to Joko (2), Pelico (2), Railblocks (2), RAISE STUDIO (2), Uber (2), Mooncard (1).

Alumni worth knowing

The Zefir mafia

Zefir alumni have founded 10 companies, including Railblocks, Pictaderm, and ESCAPAD. These startups employ between 4 and 9 people each, suggesting Zefir is cultivating a network of early-stage founders.

Vladimir OustinovGuillaume LebourgeoisVictor SchieberThiago SabettaChiara Cespi PolisianiNicolas Buisson10
founders left Zefir and started 10 companies, employing 44 people between them

9 employees
Vladimir Oustinov, was Head of Growth & Marketing (founding team) until 2022
8 employees
Guillaume Lebourgeois, was Senior Engineering Manager - Data Tooling until 2023
E
7 employees
Victor Schieber, was COO until 2023
6 employees
Thiago Sabetta, was Engineering Manager until 2023
P
4 employees
Chiara Cespi Polisiani, was Brand & Communication Manager until 2022
S
4 employees
Nicolas Buisson, was Software Engineer until 2024
2 employees
JACQUES C., was Lead Sales BU Buyer until 2022
S
2 employees
Martín Pérez-Guevara, PhD, was Freelance ML/Software Engineer and Data Scientist until 2022
1 employees
Damien Tamazout, was Growth Specialist until 2025
1 employees
Julien Ollivier, was Software Engineer until 2024

Web traffic

zefir.fr monthly visitors+4% month over month
37,875224,892411,908230,031202420252026
Data by CrustdataCrustdata

Traffic mix: 25% direct, 46% search, 9% social, 2% paid.

What this company is made of

Headcount by skillwhat people list on their profiles
EEnglish
47
PProject Management
41
MManagement
32
MMicrosoft Office
31
MMicrosoft Excel
30
TTeamwork
29
MMarketing
26
SSales
25
PPrott
24
CCommunication
23
Data by CrustdataCrustdata

Most common skills at Zefir: English (47), Project Management (41), Management (32), Microsoft Office (31), Microsoft Excel (30), Teamwork (29), Marketing (26), Sales (25).

Where the team actually sits

Headcount by regionHQ: Paris, Île-de-France, France
ÎÎle-de-France, France
50
GGreater Paris Metropolitan Region
11
FFrance
10
NNouvelle-Aquitaine, France
4
PProvence-Alpes-Côte d'Azur, France
3
GGreater Lyon Area
2
AAuvergne-Rhône-Alpes, France
2
OOccitanie, France
1
Data by CrustdataCrustdata

Zefir people are concentrated in Île-de-France, France (50), Greater Paris Metropolitan Region (11), France (10), Nouvelle-Aquitaine, France (4).

Search footprint

Organic clicks
6
per month
Traffic worth
$0K
if bought as ads
Ranking keywords
169
Ads budget
$2K
per month

Zefir attracts about 6 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 24 ranking keywords and lost 20 in the last period.

What employees say

Compensation
4.40 / 5
Career opportunities
4.10 / 5
Senior management
4.20 / 5
Work-life balance
3.70 / 5

Frequently asked

How many employees does Zefir have?

Zefir has 130 employees as of September 2026.

How much has Zefir raised?

Zefir has raised $57M in total, most recently a Series B round in September 2025.

Who founded Zefir?

Zefir was founded in 2021 by Remy Fabre, Louis Lambert.

Who is the CEO of Zefir?

Remy Fabre (Co-Founder & CEO) sits at the top of Zefir's reporting structure, with 4 direct reports.

Where does Zefir hire from?

The most common previous employers of current Zefir staff are Doctolib (5 people), Uber (5 people), Back Market (3 people).

Where do Zefir employees go after leaving?

Former Zefir employees most often move to Joko (2), Pelico (2), Railblocks (2).

What companies were founded by ex-Zefir employees?

At least 10 companies have a founder who previously worked at Zefir, including Railblocks, Pictaderm, ESCAPAD.

How much traffic does Zefir get from search?

Zefir attracts about 6 organic search visits a month, worth roughly $0K a month in equivalent ad spend.

What skills do people at Zefir have?

The most common skills among Zefir staff are English, Project Management, Management, Microsoft Office, Microsoft Excel.

Where is Zefir's team located?

Zefir staff are concentrated in Île-de-France, France (50), Greater Paris Metropolitan Region (11), France (10).

How big is Zefir's sales team?

Zefir has about 47 people in Sales, up 42% over the past year, as of September 2026.

How big is Zefir's engineering team?

Zefir has about 20 people in Engineering, up 100% over the past year, as of September 2026.

Computed from 88 current and 123 former Zefir profiles, as of September 2026. Source: Crustdata.

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