Phase8consult Gmbh
PHASE8CONSULT GmbH is a Wiesloch-based German engineering consultancy providing construction monitoring, quality assurance, and planning services for district heating and pipeline infrastructure projects across the DACH region.
- Company typePrivate
- Founded2022
- HeadquartersWiesloch, Germany
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Phase8consult Gmbh does
PHASE8CONSULT GmbH is a privately held German engineering consulting firm headquartered in Wiesloch, founded in 2022 and operating with a team of 1–10 professionals. The company specializes in district heating (Fernwärme) construction monitoring, quality assurance, and site management for pipeline infrastructure projects, serving municipalities, municipal utilities, engineering firms, construction companies, and energy network operators across the DACH region (Germany, Austria, Switzerland).
The firm's core services are organized around HOAI-compliant engineering phases 1–8 and include Fernwärme Bauüberwachung (construction monitoring), Qualitätsüberwachung (quality surveillance of casing pipe connections, PE welding per DVS 2207-5, and damage assessment of plastic casing pipe systems), and Baustellenmanagement (site management, construction billing, and claim management). Technical capabilities include 3D scanning and CAD modeling of shaft structures and energy centers, delivered in partnership with Z-Plan. A sub-brand, 1bis7 Fernwärme, extends the offering into full planning services covering HOAI phases 1–7, enabling the same team to design projects with downstream buildability in mind. The firm also runs training sessions and specialist presentations as a knowledge-sharing channel.
The business model is project-based professional services revenue, with quote-based pricing aligned to HOAI fee structures and project scope. Go-to-market is direct B2B sales driven by referrals, industry network contacts, and AGFW/VBI association memberships rather than outbound marketing. The company is led by two Managing Directors (Geschäftsführer), Holger Hamers and Sebastian Fendler, whose combined team brings over 40 years of specialized district heating and pipeline construction experience, which functions as the firm's primary commercial differentiator in a narrow specialist niche.
Phase8consult Gmbh firmographics
Firmographics- Name
- Phase8consult Gmbh
- Legal name
- PHASE8CONSULT GmbH
- Website
- https://phase8consult.de
- Company type
- Private
- Founded year
- 2022
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- PHASE8CONSULT GmbH is a Wiesloch-based German engineering consultancy providing construction monitoring, quality assurance, and planning services for district heating and pipeline infrastructure projects across the DACH region.
- Ownership category
- akta.pro rank
Phase8consult Gmbh industry classification
Industry- Product category
- Engineering Consulting Services
- NAICS
- Plumbing, Heating, and Air-Conditioning Contractors (238220)
- SIC
- Water, Sewer, Pipeline, Comm & Power Line Construction (1623)
- akta.pro primary industry
- Chillers, Boilers & Central Plant Operations (BPABACAG)
- akta.pro secondary industries
- Boiler & Hydronic Heating Repair & Service (HSAOAHAG), New Construction HVAC Rough-In & Final Set (Residential/Light Commercial) (HSAOAGAL), Pressure Equipment, Boilers & Heat Exchanger Inspection (EUAEAHAB)
Keywords
Where Phase8consult Gmbh is headquartered
LocationHeadquarters
- HQ city
- Wiesloch
- HQ country
- Germany
- HQ region
- Europe
Offices1 record
Markets served
Phase8consult Gmbh business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D
Revenue model
- Engineering and Consulting Services: Professional services revenue from engineering consulting, construction supervision, and quality monitoring for district heating and pipeline infrastructure projects. Services follow HOAI Leistungsphasen 1-8, including project development, construction execution, billing, and claim management.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Phase8consult Gmbh product offering
Product offeringCore offering
Phase8consult GmbH provides engineering consulting and supervision services for district heating (Fernwärme) and pipeline infrastructure projects across the DACH region. The firm's core offering is construction monitoring and quality supervision for district heating projects, including quality assessment of casing pipe connections, PE welding connection evaluation per DVS 2207-5, and damage assessment for plastic casing pipe systems, delivered alongside HOAI-compliant engineering services (phases 1-8), site management, and HOAI-conform district heating planning through its 1bis7 Fernwärme unit.
Product overview
Phase8consult Gmbh is a consulting and engineering firm offering a portfolio of services for district heating (Fernwärme) and pipeline infrastructure projects. The core offering is Fernwärme Bauüberwachung (district heating construction monitoring) combined with Qualitätsüberwachung (quality monitoring) and Baustellenmanagement (site management). Their subsidiary brand 1bis7 Fernwärme provides district heating planning services covering HOAI phases 1-7. Additional services include training programs, engineering services per HOAI phases 1-8, and 3D scanning/CAD modeling through partner Z-Plan. The company serves the entire DACH region with over 40 years of combined professional experience.
Differentiator
Problem solved
Functional benefit
Brands
- 1bis7 Fernwärme: A business unit of PHASE8CONSULT providing district heating planning services (Leistungsphasen 1 bis 7 gemäß HOAI). Plans district heating projects practically, efficiently, and with a focus on later implementation.
Products and services
- Fernwärme Bauüberwachung (District Heating Construction Monitoring)
Companies that use Phase8consult Gmbh
Customer profileSegments4 records
Ideal customer profiles4 records
Phase8consult Gmbh technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Phase8consult Gmbh partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered minor and core.
- VektorenverbieglerminorDesign agency responsible for PHASE8CONSULT's corporate design, logo, and website development.
- AGFW – Der Energieeffizienzverband für Wärme, Kälte und KWK e. V.coreProfessional membership association for energy efficiency in heating, cooling, and combined heat and power (CHP). Membership provides regulatory updates, industry standards (AGFW-Regelwerk), and professional network access.
- VBI – Verband Beratender IngenieurecoreProfessional association for consulting engineers in Germany. Membership provides professional credibility, industry networking, and representation of consulting engineers' interests.
Scale indicators2 records
Recent moves5 records
Expansion highlights4 records
Phase8consult Gmbh competitors and assessment
Company assessmentRegional players
- SPIE: French-headquartered multi-technical services firm with German operations spanning energy networks, district heating, and thermal infrastructure. Comparable because it provides engineering services and field support for thermal energy projects, primarily headquartered outside the DACH region but operating there.
Direct peers
- Sweco: Swedish engineering consultancy with a strong European district-heating practice and established German operations. Comparable because it provides planning, engineering, and construction supervision for district-heating and pipeline projects competing for the same clients as Phase8consult.
- Ramboll: Danish engineering consultancy with one of Europe's largest district-heating practices and significant DACH operations. Comparable because it offers planning, owner's engineering, and construction-stage services for district-heating networks that directly overlap with Phase8consult's scope.
- AFRY: Nordic-origin engineering consultancy (formerly Pöyry and ÅF) with a dedicated European energy practice covering district heating, CHP, and heat networks. Comparable because it serves the same municipal/utility clients on district-heating engineering and project-management mandates, including in Germany.
- FICHTNER GmbH & Co. KG: Stuttgart-based international engineering consultancy with a substantial energy infrastructure practice spanning district heating, power, and pipeline projects. Comparable because it competes for the same municipal and utility consulting mandates in the DACH market and offers engineering/owner's-engineer services that overlap with Phase8consult's quality supervision and planning work.
- Tractebel: Belgian-French engineering consultancy within the Engie group, with deep district-heating and thermal-network expertise across Europe. Comparable because it provides engineering consulting on district-heating infrastructure and competes for similar mandates in the DACH region.
Broad incumbents
- Dorsch Gruppe: German international engineering consultancy group with infrastructure, water, and energy expertise. Comparable as a broader German incumbent that competes for similar district-heating and pipeline consulting mandates in DACH, but across many other infrastructure sectors as well.
- Drees & Sommer: German engineering consultancy with strong infrastructure, energy, and building-services expertise. Comparable as a DACH incumbent offering consulting services that overlap with Phase8consult's HOAI-style engineering and supervision work, but with a much broader portfolio.
- Arcadis: Global design and engineering consultancy with a European energy and district-heating practice. Comparable as a broad incumbent that competes for similar district-heating infrastructure and owner's-engineering mandates, though with a portfolio spanning many other sectors.
- ILF Consulting Engineers: Austrian-headquartered international engineering consultancy with German offices covering energy, pipelines, and infrastructure. Comparable as a broader incumbent that provides engineering and construction-monitoring services on pipeline/district-heating infrastructure, but with a much wider portfolio than Phase8consult.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks5 records
Key highlights6 records
Customer concentration
Phase8consult Gmbh social profiles
Digital presencePhase8consult Gmbh financial estimates
Financial estimateRevenue estimate
Valuation estimate
Phase8consult Gmbh leadership team
Management profileNumber of profiles
Profiles2 records
Phase8consult Gmbh funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Phase8consult Gmbh M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Phase8consult Gmbh
What does Phase8consult Gmbh do?
Phase8consult GmbH provides engineering consulting and supervision services for district heating (Fernwärme) and pipeline infrastructure projects across the DACH region. The firm's core offering is construction monitoring and quality supervision for district heating projects, including quality assessment of casing pipe connections, PE welding connection evaluation per DVS 2207-5, and damage assessment for plastic casing pipe systems, delivered alongside HOAI-compliant engineering services (phases 1-8), site management, and HOAI-conform district heating planning through its 1bis7 Fernwärme unit.
Is Phase8consult Gmbh a public or private company?
Phase8consult Gmbh is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Phase8consult Gmbh founded?
Phase8consult Gmbh was founded in 2022. It employs 1 to 10 people.
Where is Phase8consult Gmbh based?
Phase8consult Gmbh is headquartered in Wiesloch, Germany, in the Europe region.
How does Phase8consult Gmbh make money?
One revenue line is on record: engineering and Consulting Services.
Who are Phase8consult Gmbh's main competitors?
SPIE is listed as a regional player. Direct peers are Sweco, Ramboll, AFRY, FICHTNER GmbH & Co. KG and Tractebel. Broad incumbents are Dorsch Gruppe, Drees & Sommer, Arcadis and ILF Consulting Engineers.
Does Phase8consult Gmbh have an API?
No public API is recorded for Phase8consult Gmbh.
What industry is Phase8consult Gmbh in?
Phase8consult Gmbh's product category is Engineering Consulting Services. Its primary akta.pro industry code is BPABACAG, Chillers, Boilers & Central Plant Operations, with a secondary code of HSAOAHAG, Boiler & Hydronic Heating Repair & Service. Its NAICS code is 238220 and its SIC code is 1623.