Rakennuttajatoimisto HTJ

What Rakennuttajatoimisto HTJ does

Rakennuttajatoimisto HTJ Oy is a Finnish construction consulting firm headquartered in Vantaa, founded in 1999, that provides project management, construction consulting, site supervision, energy and environmental advisory, and technical building systems expertise. The company organizes its services around three pillars: Talonrakennuttaminen (building construction consulting), Infrarakennuttaminen (infrastructure construction consulting) and Teollisuusrakennuttaminen (industrial construction consulting), supplemented by specialized lines in energy management, environmental classifications (BREEAM, LEED, RTS), drone and 360-degree site documentation, cost calculation, property development, and housing-company services. HTJ employs more than 200 experts across 11 offices covering all major Finnish growth corridors and runs over 500 active projects.

The firm is majority-owned by Finnish private equity investor Sievi Capital Oyj following a September 2021 buyout, with HTJ management and board members as co-owners. HTJ has grown through two add-on acquisitions, Infrap Oy in May 2022 (approximately 40 experts, ~€4.5M of 2021 revenue) and FinestCon Oy in 2023, and holds long-running program mandates such as the Tampere University Hospital (Tays) redevelopment since 2013 and the Hämeenlinna Prison for Senate Properties. The company is independently positioned from design and contracting organizations, holds a RALA environmental certificate, and reports annual revenue of approximately €26M.

HTJ operates a sales-led B2B model: project-based, fee-for-service engagements delivered through direct enterprise sales, public tender responses, and long-term client relationships. Its core customers are municipalities and state-owned enterprises (hospital districts, cities, ports, water utilities), real estate developers and investors (NREP Logicenters, LAK Real Estate, Citycon, Helsinki University Properties), and industrial operators (Aurajoki, Schenker, food and logistics companies). Underlying technology consists of proprietary sustainable-construction and environmental assessment frameworks plus operational drone/360 surveying, with no disclosed AI/ML components. Customer NPS stood at 70 in 2024 and eNPS at 48 in 2025, indicating strong retention and employee engagement.

Name

Rakennuttajatoimisto HTJ

Legal name

Rakennuttajatoimisto HTJ Oy

Website

https://htj.fi

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

101–250 employees

Short description

Rakennuttajatoimisto HTJ is a Finnish construction consulting firm offering project management, site supervision, and energy and environmental advisory across building, infrastructure, and industrial segments to municipalities, healthcare providers, real estate developers, and industrial operators throughout Finland.

Ownership category

akta.pro rank

Product category

Construction Consulting Services

NAICS

Engineering Services (541330), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering Services (8711), Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Systems Engineering & Technical Program Management (BPAHAIAI)

akta.pro secondary industry

Energy Services (Retrofits/Commissioning/Testing & Balancing) (IMAIABAI)

Keywords

• Construction consulting services
• Site supervision services
• Project management consulting
• Environmental certification consulting
• Building services engineering

Headquarters

HQ city

Vantaa

HQ country

Finland

HQ region

Europe

Offices11 records

Markets served

GTM type

B2B

Offering type

Services

Revenue model

1. Professional Consulting Services: HTJ generates revenue through professional consulting fees for construction consulting, site supervision, project management, energy and environmental consulting, and technical building systems expertise. Revenue model is project-based and fee-for-service, with revenue generated from both public sector tenders and private client engagements.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Rakennuttajatoimisto HTJ is a Finnish construction consulting firm providing independent advisory and supervision services for building, infrastructure, and industrial construction projects. Core offerings span construction consulting (rakennuttaminen), site supervision, energy and environmental consulting, project management, cost calculation, technical building systems (HVAC, electrical, automation), property development support, and environmental classification guidance (LEED, BREEAM, RTS).

Product overview

Rakennuttajatoimisto HTJ is one of Finland's leading construction consulting firms offering comprehensive advisory services. The company provides a unified platform of professional services including construction consulting, site supervision, energy and environmental consulting, and project management. Services are organized around three main pillars: Talonrakennuttaminen (building construction consulting), Infrarakennuttaminen (infrastructure construction consulting), and Teollisuusrakennuttaminen (industrial construction consulting), supplemented by specialized services in energy management, environmental consulting, drone/360 photography, property development, cost calculation, project management, building services engineering, housing company services, water supply facilities, maintenance, and environmental classifications. The company operates across Finland with offices in 11 cities serving over 500 ongoing projects with more than 200 experts.

Differentiator

Problem solved

Functional benefit

Products and services

• Talonrakennuttaminen (Building Construction Consulting) Construction consulting and supervision services for residential, commercial, and public building projects from planning through handover, targeting property developers, municipalities, and institutional clients.
• Infrarakennuttaminen (Infrastructure Construction Consulting) Consulting and supervision services for infrastructure construction projects including bridges, roads, water and wastewater systems, and civil engineering works for public sector clients.
• Teollisuusrakennuttaminen (Industrial Construction Consulting) Specialized consulting services for industrial facilities including food industry, manufacturing, and production plant projects with process understanding and logistics expertise.
• Projektinjohtopalvelu (Project Management Services) Project management services for construction and infrastructure projects from planning through completion, including scheduling, coordination, and stakeholder management.
• Talotekniikka (Building Services Engineering) Consulting and supervision covering HVAC, automation, electrical, fire protection, and data/communication systems design guidance.
• Energiapalvelut (Energy Services) Energy consulting services for buildings and construction projects, including energy audits and efficiency improvements.
• Ympäristöpalvelut (Environmental Services) Environmental consulting services including carbon footprint assessment and sustainability planning for construction projects.
• Ympäristöluokitukset (Environmental Classifications) Environmental certification services including BREEAM, LEED, RTS, and other green building rating systems.
• Kestävä rakennuttaminen (Sustainable Construction Consulting) Sustainable construction consulting focusing on environmental impact reduction and lifecycle assessment across building, infrastructure, and industrial projects.
• Kustannuslaskenta (Cost Calculation) Construction cost estimation and cost control services for building projects.
• Taloyhtiöpalvelut (Housing Company Services)
• Kiinteistökehitys (Property Development) Real estate and property development consulting services for investors and developers.
• Drone- ja 360-kuvaukset (Drone and 360 Photography) Drone and 360-degree photography services used for construction monitoring, documentation, and site surveys.
• Vesihuolto ja laitokset (Water Supply and Facilities) Construction consulting and supervision for water supply systems, wastewater treatment plants, and related facility infrastructure.
• Infran hoito ja kunnossapito (Infrastructure Maintenance) Ongoing maintenance and care services for infrastructure assets.
• Infran väylätietopalvelut ja mittaukset (Route Information and Measurements) Infrastructure route information services and measurement surveys for transportation networks.
• Ylläpito, päällysteet ja merkinnät (Maintenance, Surfaces and Markings)

Quantifiable outcome

• Customer satisfaction NPS of 70
• +2 more outcomes

Named customers8 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered major, minor and core.

• Infrap OymajorStrategic or Co-development Partner · 12 May 2022HTJ acquired Infrap Oy in May 2022, significantly expanding HTJ's infrastructure and industrial construction expertise both geographically and in service scope. Infrap employed approximately 40 experts serving primarily public sector clients, with 2021 revenue of approximately €4.5 million.
• FinestCon OyminorStrategic or Co-development Partner · 1 January 2020HTJ expanded by acquiring FinestCon Oy's business operations, strengthening their service offerings.
• Pirkanmaan sairaanhoitopiiri (Tays)majorStrategic or Co-development PartnerLong-term strategic partnership since 2013 for the Tampere University Hospital redevelopment program. HTJ serves as the leading construction consultant, providing project management, consulting, and supervision services for the multi-phase hospital redevelopment spanning over a decade.
• Tays Consultation Group (Design Team)coreStrategic or Co-development PartnerHTJ leads a consortium of design firms for Tays redevelopment program including: Raami Arkkitehdit Oy, Arkkitehtitoimisto Tähti-Set Oy, Arkkitehdit Kontukoski Oy, UKI Arkkitehdit Oy, Aihio Arkkitehdit Oy, C.F. Møller Architects, A-Insinöörit, Insinööritoimisto AX-LVI Oy, Granlund Oy, Granlund Tampere Oy, Delfoi Oy, and Projektivisio Oy.
• NREP LogicentersmajorStrategic or Co-development PartnerOngoing partnership with NREP Logicenters for logistics and retail development projects including Nurmijärvi logistics center (first in-house model project in Finland for Logicenters) and Bredis shopping center expansion (LEED Gold targeting).

Scale indicators5 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Caverion: Nordic-headquartered provider of building technology and energy services with a major Finnish presence. Adjacent competitor — overlaps with HTJ on energy services and building technical consulting but operates more as a contractor than an advisor.
• WSP: Global professional services firm with a Nordic and Finnish practice providing engineering and project management consulting. Larger and broader portfolio than HTJ but overlaps on building and infrastructure owner-representative work.

Direct peers

• AFRY: Sweden-based engineering and design firm (formed via merger of ÅF and Pöyry) with deep Finnish operations through the legacy Pöyry business. Competes with HTJ in industrial and infrastructure project management and consulting.
• Ramboll: Global engineering and project management consultancy with strong Nordic roots and significant presence in Finland. Overlaps with HTJ across building services, infrastructure, and environmental/sustainability consulting for public-sector clients.
• Etteplan: Finnish-listed engineering and technical consulting firm serving industrial and infrastructure clients. Comparable professional services model with similar exposure to industrial construction and infrastructure consulting demand in Finland.
• Sweco: Nordic-headquartered engineering, design and project management consultancy with a substantial Finnish operation. Directly comparable offering across building, infrastructure and industrial consulting, though significantly larger and geographically diversified.
• A-Insinöörit: Finnish engineering and consulting firm providing construction management, project management and design services. Direct competitor for both public and private construction consulting mandates in Finland; also listed as a Tays consortium partner.
• Granlund: Finnish building services engineering (HVAC, automation, electrical) consultancy. Directly comparable as a Finnish independent specialist consulting firm; already a sub-consultant to HTJ on Tays projects but competes for building services scopes.
• Sitowise: Finnish expert services company in the built environment, offering design, consulting and digital services across infrastructure, buildings and environmental projects. Closest Finnish-headquartered direct competitor in scope and customer base.

Regional players

• Destia: Finland-focused infrastructure construction and engineering company. Comparable to HTJ's infrastructure consulting practice (especially post-Infrap acquisition) though Destia is primarily a contractor rather than an independent owner's representative.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xtwitter.com/kruunusillat
• LinkedInlinkedin.com/company/rakennuttajatoimisto-htj-oy

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about Rakennuttajatoimisto HTJ