Defence Builder

Defence Builder

accelerator for defence tech startups

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Why us

01/

Battlefield validation

02/

Armed Forces of Ukraine and NATO network Access

03/

Investor network

04/

Expert community

Who we are

Defence Builder is a Kyiv-based, non-government defence tech accelerator supporting early-stage solutions for Ukraine and Europe. Our four-month program helps startups turn ideas and prototypes into battlefield-proven, scalable products while securing essential capital

our goal

To make Ukrainian defence technology a cornerstone of global security

our mission

To build the engine for Ukraine's modern defence industry by scaling battlefield innovators into global manufacturers, in close partnership with Europe and allied nations.

Acceleration results

Acceleration results

15

15

Accelerated startups

6

Battlefield
proved

4

Successfully
closed investment round

9

Tested their solutions with the Ministry of Defence of Ukraine

15+

Tailored scouting projects for investors & manufacturers

400

Pipeline: 400 promising defence tech startups

400

Pipeline: 400 promising defence tech startups

priority domains

priority domains

Air

Cyber

Land

Critical components

Sea

Communication

Advisory Board

Advisory Board

Oleksandr Yabchanka

Commander of the Robotic Systems Service of the 'Da Vinci Wolves' Battalion, 59th OMBR

Oleksandr Kharkovets

Commander of the Alter Ego Battalion, the first UGV unit of the 93rd Brigade "Kholodny Yar"

Anatolii Khrapchynskyi

Air Force reserve Officer, EW Expert, Director of Development Defence Industry Company

Ivan Kaunov

Ukrainian new-gen defence entrepreneur, Co-Founder & CEO of Buntar Aerospace, MilTech expert

Martin Valovsky

Founding Partner of Baryon Investment Fund

Nicholas MacGowan von Holstein

Founding Partner of Bifrost Defence

Niels Vejrup Carlsen

Founding Partner of Final Frontier VC

Daria Yaniieva

Head of Defence & Investments, Sigma Software Group

Roman Pohorilyi

(DeepState UA)

Military analyst, leading OSINT expert in battlefield mapping, Co-Founder/COO of Deep State UA

Vijay Sekhara

Ex-Program Director of ScaleWolf Accelerator and NATO Defence Innovation Accelerator 'DIANA'

Our Partners:

©2026 Defence Builder

©2026 Defence Builder

©2026 Defence Builder