Monumental

Monumental is automating on-site construction with robotics and software.

Robotics and hardware Developer tools and cloud Real estate and construction

Latest funding

$32M Series B+ · July 17, 2026

Led by Khosla Ventures · Source: x.com

Total raised: $57M across 2 sourced rounds

All 2 rounds ↓

Website: monumental.co.

X: @buildmonumental · 2,092 followers.

LinkedIn: linkedin.com.

Categories: Robotics and hardware Developer tools and cloud Real estate and construction.

Subcategory: infrastructure development.

Stage: Series B+.

Based in: Amsterdam, Netherlands.

Founded: 2021.

Total raised: $57M in 2 sourced rounds.

Last round: Jul 17, 2026 · 118 days ago.

Headcount: 101–250 employees.

On Recent Funding since: Jul 17, 2026.

Signals

X account@buildmonumental · created Jun 20, 2021 (5 years old) · 2,092 followers

Website registeredJul 21, 2010 (16 years old)

About Monumental

Our mission is to make construction software-defined and autonomous - a future where beautiful, bespoke buildings go up in a single day, with minimal labour.

TIMELINE · MONEY RAISED

Monumental | 970 days from X account to first raise on record

@buildmonumental·Raised $57M in 2 sourced rounds·1 signal before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

July 17, 2026
Series B+ · $32M
KKhosla Ventures (lead), PPlural Platform
Source: x.com
February 15, 2024
Seed · $25M
HHummingbird VC (lead), PPlural Platform (lead), FFoundamental, MMaterial Ventures, NNorthzone, NNP-Hard Ventures
Source: finsmes.com
June 20, 2021
X account created
July 21, 2010
Website created

Founders and team

SA
Salar al Khafaji Founder

@salar · LinkedIn
SV
Sebastiaan Visser Founder

LinkedIn

Investors

Companies like Monumental

MMytra$120M Series B+ · Jan 2026
BBright Machines$110M Series B+ · Jun 2024
WWandelbots$84M Series B+ · Jan 2022
KKewazo$35M Series A · Mar 2026
HHessianPre Seed · Jun 2026
IInOrbitSeries A · Oct 2025

Other companies backed by Khosla Ventures

IImprint$400M Series B+ · Nov 2026
BBroccoli AI$52M Series A · Oct 2026
AArda$230M Seed · Oct 2026
EEven Healthcare$50M Series B+ · Oct 2026
TTolan$30M Series A · Oct 2026
BBioConsortia$15M Seed · Oct 2026

Khosla Ventures portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/monumental (get a free API key).