Startup · Poland

IS-Wireless

Updated Oct 18, 2026HQ Piaseczno, PolandFounded 201751-200 employees

Delivers private 5G and 6G networks for industrial and tactical communications.

Startup Command, control and communications

Funding7 rounds · $1.3M

Equity raised: $1.3M
Debt, secondaries & grants: ~$3.4M
Latest: ~$352KGrant · Sep 4, 2025

Funding rounds
Announced	Stage	Amount	Valuation	Lead investors	Other investors	Confidence
Sep 4, 2025	Grant	~$352K	—	NATO DIANA	—	Reported
Dec 11, 2024	Grant	~$105K	—	NATO DIANA	—	Reported
Sep 4, 2018	Seed	$1.3M	—	Bitspiration Booster	—	Confirmed
Jul 3, 2018	Grant	~$3.0M	—	National Centre for Research and Development (NCBR)	—	Confirmed
2019	Grant	Undisclosed	—	—	—	Reported
2021	Grant	Undisclosed	—	—	—	Reported
2021	Seed	Undisclosed	—	Bitspiration Booster	—	Speculative

Grant
Led by NATO DIANA
~$352K
Sep 4, 2025
Grant
Led by NATO DIANA
~$105K
Dec 11, 2024
Seed
Led by Bitspiration Booster
Confirmed
$1.3M
Sep 4, 2018
Grant
Led by National Centre for Research and Development (NCBR)
Confirmed
~$3.0M
Jul 3, 2018
Grant
Undisclosed
2019
Grant
Undisclosed
2021
Seed
Led by Bitspiration Booster
Speculative
Undisclosed
2021

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

Systems1

LiquidRAN™A private 5G network platform for industrial and defense applications.
—
Website ↗

Systems
System	Type	Maturity	Program
LiquidRAN™A private 5G network platform for industrial and defense applications.	Software	—	Website ↗

Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.

Capabilities1

Capabilities
Technology	Role	Maturity	TRL	Notes	Confidence
Command, control and communications	Developer	—	—	classify_sectors run 37, haiku, taxonomy 2026-10-18b: Private 5G/6G networks for 'industrial and tactical communications'; tactical comms is a stated defense use.	Reported

Command, control and communications
Developer
classify_sectors run 37, haiku, taxonomy 2026-10-18b: Private 5G/6G networks for 'industrial and tactical communications'; tactical comms is a stated defense use.
—Reported

Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.

People2

All 2 people →

People
Person	Role
Slawomir Pietrzyk	Founder and CEO
Robert Cieloch	CTO

Sources17

Show all 17 sources and supporting evidence

Profile5

1
Government recordNATO DIANA | Official Website
NATO DIANA · Sep 4, 2025 · Supports Organization
“IS Wireless”
2
DatabaseISN Sp. z o.o., Piaseczno - KRS data (ALEO)
Supports Organization · founded year
“Date of registration in KRS 2017-11-27”
3
ResearchIS-Wireless (Poland) – Secure 5G Networks for Defence and Communications
Defence Finance Monitor · Supports Organization · name
“A Polish deep-tech company is quietly redefining how Europe builds its wireless networks. IS-Wireless, based near Warsaw, has emerged as”
4
CompanyPrivacy Policy - IS-Wireless
Supports Organization · founded year
“refers to ISN. Sp. z o.o**.**, ul. Puławska 45B, 05-500 Piaseczno, Poland.”
5
DatabaseIS-Wireless - LinkedIn company profile
LinkedIn · Supports Organization · employee range, Organization · linkedin url
“employee_range: 51-200 (profile: 51-200 employees)”

Systems1

6
CompanyIS-Wireless
IS-Wireless · Supports Organization, Organization · name, System
“IS-Wireless delivers sovereign, ultra-resilient Private 5G and 6G networks designed for dual-use: defense and high-demand commercial applications.”

Funding9

7
DatabaseIS-Wireless - PitchBook company profile
PitchBook · Oct 6, 2026 · Supports Funding round, Organization · employee range, Organization · linkedin url, Organization · x url
“Grant”
8
DatabaseBitspiration Booster - Teaser Club investor profile
Teaser Club · Oct 6, 2026 · Supports Funding round, Organization · ownership
“Seed Round in 2021”
9
DatabaseIS-Wireless - Dealroom company profile
Dealroom · Oct 6, 2026 · Supports Funding round
“Grant”
10
CompanyDIANA | How it works
NATO DIANA · Oct 6, 2026 · Supports Funding round · amount
“Those companies receive non-dilutive grants of EUR 100,000”
11
NewsNATO DIANA announces 15 innovators to move forward to next phase of acceleration
EDR Magazine · Sep 4, 2025 · Supports Funding round · amount
“The companies will receive €300,000 in non-dilutive funding”
12
CompanyIS-Wireless chosen to join next phase of NATO DIANA Programme with breakthrough Liquid RAN technology
IS-Wireless · Sep 4, 2025 · Supports Funding round
“IS-Wireless is proud to announce our selection as one of 15 companies advancing to Phase 2”
13
CompanyIS-Wireless selected to join DIANA’s 2025 cohort
IS-Wireless · Dec 11, 2024 · Supports Funding round
“IS-Wireless has been selected to join NATO’s Defence Innovation Accelerator for the North Atlantic (DIANA) 2025 cohort.”
14
CompanyIS-Wireless raises 5 million PLN from ASI Bridge Alfa Bitspiration Booster
IS-Wireless · Sep 4, 2018 · Supports Funding round · amount
“raised 5 million PLN (1.3M USD) from ASI Bridge Alfa Bitspiration Booster”
15
CompanyIS-Wireless raises 14 million PLN to support development of SD-RAN for 5G mobile networks
IS-Wireless · Jul 3, 2018 · Supports Funding round · amount
“which included 11 million PLN grant from the Polish National Center for Research and Development and 3 million investment from private funds”

People2

16
CompanyStartup Story: IS-Wireless X NATO DIANA Estonian Accelerator - Sparkup
Tartu Science Park · Supports Organization, Role
“Startup Story: IS-Wireless X NATO DIANA Estonian Accelerator”
17
DatabaseIS-Wireless — hq city
Crunchbase · Supports Organization · employee range, Organization · hq city, Organization · linkedin url, Organization · x url, Role
“employee_range: 51-200 (profile: 51-100)”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.