Yellow&Blue Investment Management

What Yellow&Blue Investment Management does

Yellow&Blue FS GmbH operates as an independent expert office based in Köln, Germany, specializing in Electromagnetic Compatibility (EMV) and Power Quality analysis for industrial and commercial electrical networks. The firm delivers professional measurement and assessment services using Class A network analyzers conforming to the EN 61000-4-30 standard, addressing compliance with EU Directive 2014/30 and EN 50160 voltage quality requirements. Its core service portfolio spans Power Quality Analysis, Photovoltaik systems consulting, and Energieeffizienz (energy efficiency) optimization, supplemented by an internally developed Online-Optimator digital tool.

The business model is project-based professional services delivered to B2B clients on a quote-driven, direct-engagement basis. The firm employs VDE-certified technical staff and holds membership in the Bundesverband deutscher Sachverständiger und Fachgutachter E.V., signaling adherence to recognized German expert-witness and technical specialist standards. Customers appear to be German industrial and commercial operators who require documented compliance with EU electromagnetic compatibility and voltage quality standards, as well as those pursuing solar integration and energy efficiency improvements.

Note: firmographic metadata labels this entity as "Yellow&Blue Investment Management," a Utrecht-based venture capital firm. All operational evidence (Köln location, yellow-blue.eu domain, Power Quality consulting focus) describes Yellow&Blue FS GmbH, a separate German engineering consultancy. The analysis above is grounded in the operational data, which is treated as the primary source per the most-specific source rule.

Name

Yellow&Blue Investment Management

Legal name

Yellow&Blue FS GmbH

Website

https://yellowandblue.nl

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

1–10 employees

Short description

Yellow&Blue FS GmbH is a Köln, Germany-based independent engineering consultancy specializing in Power Quality and Electromagnetic Compatibility analysis for industrial and commercial clients, using EN 61000-4-30 Class A measurement instrumentation and offering photovoltaic and energy efficiency consulting.

Ownership category

akta.pro rank

Product category

Power Quality Consulting

NAICS

Other Scientific and Technical Consulting Services (541690), Management, Scientific, and Technical Consulting Services (5416)

SIC

Services-Engineering Services (8711), Instruments For Meas & Testing Of Electricity & Elec Signals (3825)

akta.pro primary industry

Remote Operations, Control Room & Digital O&M (Monitoring, Diagnostics) (EUAEAGAM)

akta.pro secondary industries

Transmission & Substation O&M (HV Equipment Maintenance) (EUAEAGAD), Testing, Commissioning & Energization Services (T&C) (IMAFAHAK), Electrical Permitting, Inspection Preparation & Compliance Services (HSAOADAL)

Keywords

• Power quality analysis
• Electromagnetic compatibility consulting
• Network analysis services
• Energy efficiency consulting
• Industrial EMV measurement

Headquarters

HQ city

Köln

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Others

Revenue model

1. Power Quality Measurement Services: Professional measurement and analysis services for industrial and commercial electrical networks. Services include on-site measurements using Class A network analyzers, disturbance source identification, and solution recommendations.
2. Energy Efficiency Consulting: Consulting services for energy optimization in industrial and commercial settings, including photovoltaic systems consultation and energy efficiency recommendations.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Yellow&Blue FS GmbH (operating under Yellow&Blue) is an independent expert office specializing in Electromagnetic Compatibility (EMV) and Power Quality consulting for industrial and commercial clients. The firm performs qualified network analyses and Power Quality measurements using Class A network analyzers conforming to EN 61000-4-30, identifies disturbance sources such as harmonic oscillations and voltage transients, and complements these services with photovoltaic consulting and energy efficiency optimization.

Product overview

Yellow&Blue FS GmbH offers a portfolio of energy optimization services for industry and commerce. The core offering is Power Quality Analysis (Power Quality Analyse) — expert network analysis and measurements for electromagnetic compatibility (EMC) issues, grid feedback, and equipment disturbances. This is complemented by Photovoltaik (solar energy systems) and Energieeffizienz (energy efficiency optimization) services. The company also provides an Online-Optimator digital tool. The services are delivered by VDE-certified experts who perform qualified measurements using Class A network analyzers according to EN 61000-4-30 standards.

Differentiator

Problem solved

Functional benefit

Products and services

• Power Quality Analyse (Power Quality Analysis) Qualified network analysis and Power Quality measurements for grid feedback, equipment malfunctions, and electromagnetic compatibility (EMC) problems. Includes on-site measurements using Class A network analyzers per EN 61000-4-30, infrastructure inspection, disturbance source identification, and recommended solutions.
• Photovoltaik (Photovoltaic) Photovoltaic systems consulting offered as part of the energy optimization portfolio for industrial and commercial clients.
• Energieeffizienz (Energy Efficiency) Energy efficiency optimization services for industrial and commercial enterprises, helping clients reduce energy costs and improve operational efficiency.
• Online-Optimator Online optimization tool offered by the company in connection with its energy optimization services for industrial and commercial clients.

Quantifiable outcome

• Production interruptions, equipment damage and associated costs are significantly higher than investment costs in preventive measures

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Bundesverband deutscher Sachverständiger und Fachgutachter E.V.coreOthersProfessional association membership providing credibility and industry recognition. The company is a member of this federal association of expert witnesses and specialist assessors.

Recent moves4 records

Expansion highlights3 records

Direct peers

• Janitza electronics GmbH: German manufacturer of Class A power quality analyzers and energy measurement solutions serving industrial and commercial customers. Comparable in addressing the same power quality diagnostic use cases via measurement hardware and analysis know-how.
• OMICRON electronics GmbH: Austrian-headquartered specialist in testing, diagnostics, and monitoring of electrical power systems, including power quality analyzers and assessment services. Comparable as a technically deep measurement/diagnostics firm serving utilities and industrial clients with EN/IEC-standard methodologies.
• A. Eberle GmbH & Co. KG: German specialist manufacturer of power quality measurement devices (including Class A-compliant analyzers) and provider of related network analysis services. Directly comparable niche focus on EN 50160 / EN 61000 series power quality in the DACH market.

Emerging players

• Hioki E.E. Corporation: Japanese manufacturer of high-precision power quality analyzers and electrical measurement instruments. Comparable in supplying Class A measurement equipment used by practitioners in the same niche, but not a German consulting peer.
• Fluke Corporation: Manufacturer of portable Class A power quality analyzers and electrical measurement tools (e.g., Fluke 435 series). Comparable as an enabler of the same diagnostic workflow, though primarily a hardware vendor rather than a consulting service provider.

Broad incumbents

• Schneider Electric SE: Global energy management and automation major offering power quality solutions (e.g., AccuSine active harmonics filters, power monitoring). Comparable in targeting industrial power-quality issues, but as part of a global product portfolio rather than a service-only niche player.
• DEKRA SE: One of Germany's largest testing, inspection, and certification organizations with extensive electrical safety and EMC testing services. Comparable as a broader incumbent that overlaps in EMV compliance and electrical testing, though it is far larger and not niche-specialized.
• TÜV Rheinland AG: Global German testing/certification giant offering electrical safety, EMC, and grid-code compliance services. Comparable in delivering EN 50160-style power quality assurance, though as part of a much wider portfolio rather than a niche specialist.
• Siemens AG (Smart Infrastructure / Electrical Products): Global industrial conglomerate with power quality, energy monitoring, and grid analytics offerings (e.g., SICAM, Sentron). Comparable as a broad incumbent addressing the same end-customer need for network diagnostics, but not as an independent specialist.

Regional players

• Köhler & Erles Ingenieurgesellschaft mbH: German engineering consultancy offering power quality, EMC, and energy efficiency services to industrial clients. Comparable as a small-to-mid German independent expert office in the same EMV/Power Quality niche, though with broader engineering scope.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks2 records

Key highlights6 records

Customer concentration

• Xx.com/YellowandBlueIM

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments5 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Yellow&Blue Investment Management