The consulting firms in Lazio are predominantly large and mid-sized companies focused on IT services, civil engineering, and business consulting. Almaviva Group provides digital innovation, DGS offers security and digital transformation, and Italferr S.p.A. specializes in infrastructure projects. MCS Management Consulting & Selection offers HR and talent development services.
The data shows a strong concentration of headquarters in Rome, indicating the city's role as a central hub for these professional services. Many of these firms, such as PROGER s.p.a. and Italconsult SpA, were founded in the mid to late 20th century, with a mix of more recent establishments like Almaviva Group (2005) and Be | Shaping the Future (2008).
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Almaviva Groupalmavivagroup.com
Provides digital innovation and ICT solutions globally, supporting business model transformation and competitiveness across public and private sectors. |
52,112 | |||
| 2 |
DGSdgsspa.com
Specialized group offering security and digital transformation services, with a focus on excellence, innovation, and partnership within the ICT sector in Italy |
3,068 | |||
| 3 |
Italferr S.p.A.gruppofsengineering.it
A leading Italian engineering firm with expertise in infrastructure projects for rail, road, and port, offering design, management, and consultancy services internationally |
1,896 | |||
| 4 |
MCS Management Consulting & Selectionmcs-selection.it
A managerial and organizational consulting company offering customized projects in HR, talent development, and executive search services, with international partnerships |
1,803 | |||
| 5 |
Be | Shaping the Futurebe-tse.it
A leading consulting company offering business consulting, IT, and digital services to financial, insurance, and industrial clients across Europe |
1,150 | |||
| 6 | 909 | ||||
| 7 |
Sistemi Informativi, an IBM Companysistinf.it
A leading IT solutions company part of IBM Italia Group, offering innovative solutions and specialized consulting services to various industries |
907 | |||
| 8 |
PROGER s.p.a.proger.it
An international company offering Italian engineering and management expertise in building, infrastructure, energy, oil & gas, sustainability, security with global presence |
886 | |||
| 9 |
Topnetwork S.p.A.topnetwork.it
A service agency supporting digital transformation with innovative solutions, integrating AI, blockchain, Cloud, Data Science, IoT, robotics, and more |
836 | |||
| 10 |
Italconsult SpAitalconsult.com
Italian engineering consulting company specializing in transportation infrastructure, water, environment, energy, and civil structures, with a focus on social-economic development worldwide |
794 | |||
| 11 |
POLYGON SPApolygon.eu
A European company specializing in medical device management, embracing change in the face of global health challenges to serve individuals, communities, and businesses |
708 | |||
| 12 |
SPERIsperispa.com
Providing architecture, engineering, planning, management, sustainability, and safety services for buildings, infrastructure, and property management projects. |
529 | |||
| 13 |
Mediatica Digital SpAmediaticadigital.it
We are a leading company specializing in digital platform development and operations, serving a wide range of sectors with innovative solutions |
508 | |||
| 14 |
Eustema S.p.A.eustema.it
A consulting and software engineering company in Italy, providing ICT solutions to public administrations and businesses in telecom, transportation, utilities, and services sectors |
466 | |||
| 15 |
Artelia Italiait.arteliagroup.com
A leading engineering company in Italy, specializing in building, industry, energy, transportation, and urban development projects with a focus on efficiency and sustainability |
438 | |||
| 16 |
APS Evolutiongroupmaire.com
A global energy group specializing in the development and operation of industrial plants within the energy sector |
421 | |||
| 17 |
IRD Engineeringirdeng.com
Leading independent Italian engineering consultancy providing comprehensive infrastructure solutions worldwide, certified to ISO standards and with a strong track record in international projects |
393 | |||
| 18 |
NEVERHACK Italyneverhack.com
A multinational company specializing in providing innovative ICT solutions across various industries, focusing on expansion through partnerships, M&A, and global development |
382 | |||
| 19 |
Studio professionale di consulenza fiscale, legale e finanziariatlfadvisory.it
The company is a group of professionals providing business, financial, tax, and legal consulting services, with expertise in ordinary, extraordinary, and subsidized finance |
381 | |||
| 20 |
Progetti Europa & Global S.p.Apegitaly.it
An Engineering and Contracting Company with 40 years of experience in the Oil & Gas industry, specializing in upstream process units, transportation facilities, and automation systems |
369 | |||
| 21 |
SOGESIDsogesid.it
An engineering and technical assistance company working with the Ministry of Ecological Transition to plan and implement environmental projects nationwide |
368 | |||
| 22 | 360 | ||||
| 23 |
Adamis Business Innovationadamis.it
Adamis Group Italia is an image company that offers personalized services with a focus on details, creativity, and dedication to provide emotional experiences for clients |
356 | |||
| 24 |
Benigni & Kbenignibk.com
Benigni&K is a professional studio specializing in various areas, focusing on growth through mergers and acquisitions to provide tailored services globally |
315 | |||
| 25 |
Softlab S.p.A.soft.it
A publicly traded international company offering Business Advisory, ICT Consulting, and Digital Entertainment services through a network of professionals and innovative solutions |
310 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
Soft Strategysoftstrategy.it
Italian group of companies specializing in professional services and ICT solutions for medium to large businesses, focusing on Digital Transformation & Innovation Serving various industries |
305 | |||
| 27 |
TRACTEBEL ENGINEERING S.R.Ltractebel-engie.com
A global engineering and consultancy firm with expertise in sustainable energy, offering innovative solutions for projects worldwide with a focus on quality and safety |
274 | |||
| 28 |
Key Partnerkeypartner.com
Consulting firm specializing in digital transformation, strategic planning, and cybersecurity, supporting companies with innovative technology and data-driven growth solutions. |
270 | |||
| 29 |
SiliconDev S.p.A.silicondev.com
Silicondev provides technological services and outsourcing for medium to large companies, offering consultancy, security solutions, and advanced technological solutions in various sectors |
256 | |||
| 30 |
Softlab techsoft.it
A tech company specializing in System Integration & Service Operation projects, with expertise across various industries and recognized for its innovative solutions |
255 | |||
| 31 |
Energent S.p.A.energent.it
A historic company with over 300 employees, offering IT services to both public and private sectors, focusing on infrastructure, application development, security, and ICT technologies |
254 | |||
| 32 |
PTSptsclas.com
Specializing in strategic and operational consultancy, innovation, finance, and communication across various sectors in both public and private settings |
250 | |||
| 33 |
Whitehall Replyreply.com
Whitehall Reply specializes in developing innovative technology solutions for Public Administration, combining consulting, project development, and excellent technological skills for citizens and service management |
249 | |||
| 34 |
NexumStp S.p.a. Societ脿 Benefitnexumstp.it
Nexum is an alliance of professionals dedicated to supporting small and medium-sized businesses with innovation and expertise in various sectors |
245 | |||
| 35 |
Intersistemi Italia S.P.Aintersistemi.it
A group of companies specializing in ICT, project management, security, geomatics, healthcare, multimedia solutions, network infrastructure, market research, and renewable energy |
224 | |||
| 36 |
Prisma Srlprismacompany.it
A technology company based in Italy specializing in software design and development, IT consultancy, and providing advanced computer solutions to improve business strategies |
213 | |||
| 37 | 211 | ||||
| 38 |
Olidata SpAolidata.com
A top European PC producer with a leading position in Italy, offering a wide range of computer solutions for both home and business use |
204 | |||
| 39 |
ISS INTERNATIONAL SpAiss-international.com
A global company offering engineering services in the Energy sector, specializing in Project Management, Engineering, Training, and Digital Twin Platform development |
201 | |||
| 40 |
Whwebharbinger.com
A JobTech company revolutionizing work organization through flexible workforce solutions and artificial intelligence tools |
200 | |||
| 41 |
Challenge Networkchallengenetwork.it
A large network offering strategic and operational consulting services in corporate training, master programs, events, and communication, focusing on continuous improvement |
190 | |||
| 42 | 186 | ||||
| 43 |
Kiberneteskibernetes.it
A leading national operator in Public Administration services, specializing in tax, accounting, software, and HR services for over 40 years |
186 | |||
| 44 |
Iniziativainiziativa.cc
Providing advisory services to businesses and public administrations for over thirty years to maximize development opportunities |
120 | |||
| 45 |
Major Bit Groupmajorbit.com
A company with 30 years of experience in ICT consulting and training, specializing in software development, business intelligence, AI, and operational procedures engineering |
114 | |||
| 46 |
Progress Group srlprogress.it
Certified Zucchetti partner in central Italy specializing in software solutions for time and attendance management, HR, business software, and access control |
110 | |||
| 47 |
Crismacrismaitalia.it
Specializing in enterprise Business Intelligence projects, offering end-to-end solutions with expert analysts, designers, and technologists for high-performance data solutions and advanced data mining methods |
89 | |||
| 48 |
GMG groupgmggroup.it
GMG is a management consulting firm in Italy, specializing in organizational and strategic consulting, financial business, risk management, and professional training |
67 | |||
| 49 |
PNO Innovation Italiapnoconsultants.com
CiaoTech, part of the PNO Group, provides innovative solutions and funding support for companies and research centers across Europe |
66 | |||
| 50 |
Hotels Doctors - Consulenza Alberghierahotelsdoctors.com
An independent team of hotel consultants specializing in solving management issues, improving operations, sales, marketing, and revenue management for hotels |
45 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
More company lists in Lazio
- The largest companies in Lazio 1,243
- Multinational companies in Lazio 226
- Retail chains in Lazio 128
- Companies with in-house R&D in Lazio 120
- Critical infrastructure operators in Lazio 105
- Public sector organisations in Lazio 102
- Financial services firms in Lazio 98
- IT services companies in Lazio 84
- IT Services and IT Consulting companies in Lazio 78
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- Education providers in Lazio 60
- Professional services firms in Lazio 58
- Corporate groups and holding companies in Lazio 51
- Software Development companies in Lazio 48
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- Family-owned companies in Lazio 46
- Aerospace and defence companies in Lazio 45
- E-commerce companies in Lazio 45
- Hotel and hospitality groups in Lazio 43
- Consumer goods companies in Lazio 42
- Healthcare providers in Lazio 42
- Luxury brands in Lazio 39