# Grunius BV

> Grunius BV is a Netherlands-based business development company founded in 2015. We incubate and operate specialist B2B businesses in industrial supply, bridging education, science, and business through IT and innovation. Slogan: "Creating online ventures that last."

## Company

- Legal name: Grunius BV
- Founded: 2015
- Headquarters: Aarhusweg 2-9, 9723 JJ Groningen, Netherlands
- Chamber of Commerce (KVK): 62885774
- VAT: NL854998494B01
- RSIN: 854998494
- Phone: +31 (0) 50 711 0348
- Email: info@grunius.com
- Website: https://grunius.com

## Mission

Deliver the most reliable solutions to help clients improve their efficiency and business profitability.

## Services

1. **Business Development** — Strategic guidance to establish and grow businesses, from market entry to sustainable scaling.
2. **Software Development** — End-to-end software solutions built for reliability and performance, from architecture to deployment.
3. **Project Incubation** — Incubating projects from talented professionals, providing the structure and resources needed to succeed.
4. **International Ventures** — Connecting Dutch innovation with global opportunity and guiding ventures through international expansion.

## Portfolio Companies

### PartnerPLC (active)
- Website: https://partnerplc.com
- Parent: Grunius BV
- Industry: Industrial Automation, B2B
- Speciality: Hard-to-find industrial electronics — discontinued, obsolete, and long-lead-time PLCs, industrial PCs, frequency drives, I/O modules, and automation components.
- Products: Programmable Logic Controllers (PLCs), Industrial PCs & CPU modules, Frequency drives & controllers, I/O modules & control systems, Refurbished automation equipment
- Brands: Siemens, ABB, Schneider Electric, B&R, Allen-Bradley, Fanuc, Omron, Pilz, Yaskawa, Rexroth Indramat, Mitsubishi Electric, Lenze, Honeywell, Beckhoff, Festo, Phoenix
- Location: Groningen, Netherlands — +31 (0) 50 711 0348
- Value proposition: Sources obsolete, discontinued, and out-of-stock industrial components on request. If it exists, they can find it.

### PartnerTubes (active)
- Website: https://partnertubes.com
- Parent: Grunius BV
- Industry: Vacuum Electronics, Global Distribution
- Speciality: Vacuum electronic devices — magnetrons, RF power grid tubes, microwave tubes, vacuum capacitors, laser parts, thyratrons, ignitrons.
- Countries served: 40+
- Part numbers stocked: 10,000+
- Industry expertise: 75+ years
- Products: Magnetrons (CW & pulsed), RF power grid tubes (triodes, tetrodes), Vacuum capacitors & high-voltage devices, Microwave tubes (klystrons, TWTs), Laser parts (CO₂, excimer, gas), Thyratrons, ignitrons & rectifier tubes
- Brands: Thales, Toshiba, Amperex, Photonis, Cetron, GE Vernova, Hamamatsu (30+ total)
- Industries served: Medical & Healthcare, Defense & Military, Broadcast & TV, Industrial Manufacturing, Scientific Research, Semiconductor, Alternative Energy, Marine & Aviation
- Location: Groningen, Netherlands — +31 (0) 50 711 0348
- Value proposition: Sources obsolete, discontinued, and long-lead-time electron tubes on request.

### PartnerValves (active)
- Website: https://partnervalves.com
- Parent: Grunius BV
- Industry: Industrial Valves, B2B
- Speciality: New, used, and refurbished industrial valves including hard-to-find and discontinued models. Serving process industries, oil & gas, chemical plants, water treatment, and power generation across Europe.
- Products: Ball, gate & butterfly valves, Control & solenoid valves, Check valves & safety valves, Valve actuators & positioners, Refurbished process valves
- Brands: Emerson, Flowserve, Metso, Crane, IMI, Samson, ASCO
- Location: Groningen, Netherlands
- Value proposition: Sources obsolete, discontinued, and long-lead-time valves on request. If it exists, they can find it.

## Investor Relations

Grunius BV is privately held and not publicly traded. The company builds long-term value through specialist B2B businesses in industrial supply niches where demand is persistent and specialist knowledge commands a premium.

- Investment enquiries: info@grunius.com
- KVK: 62885774

## Contact

- Email: info@grunius.com
- Phone: +31 (0) 50 711 0348
- Address: Aarhusweg 2-9, 9723 JJ Groningen, Netherlands