Company lists · Data refreshed November 2026
Top 25 Mainframe modernization consultants based in Spain
RevenueBase identified 84 company matches for mainframe modernization consultants associated with Spain as of November 2026 and tracks 2,070 professional contacts across them, including 807 with verified work emails. Madrid is the largest hub.
This list covers company matches for mainframe modernization consultants associated with Spain, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest mainframe modernization consultants based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 364 contacts → | ||||
Exact match “With about 2200 experts atSistemas delivers IT consulting, services and software development which to help organizations to be more efficient and profitable.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 214 contacts → | ||||
Exact match “En LIDER IT Consulting llevamos más de 40 años ayudando a nuestros clientes a mejorar la gestión mediante la consultoría, el desarrollo y la implantación de soluciones integradas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 90 contacts → | ||||
Exact match “Fihoca es la empresa de Costaisa Group especializada en consultoría y desarrollo de sistemas de información, prestación de servicios y software factory.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 73 contacts → | ||||
Exact match “ARENA Consulting es una empresa especializada en Tecnologías de la Información, que ofrece servicios de Consultoría, Desarrollo de Aplicaciones, Soporte y Administración de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 63 contacts → | ||||
Exact match “Tu tecnología impulsa tu negocio o lo frena?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 43 contacts → | ||||
Exact match “Driving IT Innovation: At BASE100, we transform your legacy into leadership.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 26 contacts → | ||||
Exact match “Grupo SAME (C.B.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 24 contacts → | ||||
Exact match “Atlas Proyectos Informáticos nace en 1995, con una vocación clara, garantizar la calidad del servicio y la cercanía a sus clientes, buscando siempre la excelencia en nuestras…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 17 contacts → | ||||
Exact match “Empresa joven, creada en el año 2014, formada por profesionales seniors, con amplia experiencia en la gestión y dirección de grandes proyectos informáticos en el sector financiero…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 14 contacts → | ||||
Exact match “Certiorem, es una empresa con más de 15 años de experiencia, dedicada a la consultoría y servicios en las tecnologías de la información, más concretamente en la integración y…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 13 contacts → | ||||
Exact match “Ofrece servicios de consultoria en el ambito de las tecnologias de la informacon, y asesoramiento para la correcta integración de los sistemas con los procesos de negocio de la…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “En EsceniT Digital Development ayudamos a las empresas a optimizar sus procesos, mejorar su productividad y acelerar su crecimiento mediante soluciones tecnológicas adaptadas a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “InCoPYME nace con la misión de asesorar y ayudar a las empresas a la incorporación, adaptación y explotación de las nuevas tecnologías en sus procesos de negocio.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 10 contacts → | ||||
Exact match “Go4IT Solutions, somos una spin-off de Tecnalia dedicada a la modernización automática de aplicaciones legacy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “Reelease Software es tu aliado estratégico en la modernización de sistemas empresariales.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 8 contacts → | ||||
Exact match “Cleverbyte Consulting ofrece su experiencia y su profesionalidad a todas las empresa para que se modernicen Tecnológicamente.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “Transforma Tu Empresa con Soluciones IT Personalizadas En Whitekong Software, llevamos la innovación directamente a tu infraestructura empresarial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 7 contacts → | ||||
Exact match “At Prakmatic, we provide advanced technological capabilities to support organizations in their modernization and growth journeys.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “En NetDriver queremos hacer despegar tu empresa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “ALXIA is an organization of consulting and computer services, oriented to the satisfaction of the competitive needs of enterprises, through the application of information…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “Somos una empresa de ingeniería informática especializada en Legacy y Rehosting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “En IDEOS tenemos clara nuestra vocación de servicio, pero hoy en día hay que ofrecer algo mas, nosotros ofrecemos SOLUCIONES.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “doIT Simple Business and Technology es una Consultora Tecnológica, Estratégica y de Negocio que nace con la intención de simplificar la relación de las empresas y los negocios con…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “mainframe modernization consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 84 mainframe modernization consultants based in Spain
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Mainframe modernization consultants based in Spain at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 84 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Spain whose business descriptions match “mainframe modernization consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 807 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Mainframe modernization consultants by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “mainframe modernization consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many mainframe modernization consultants are there based in Spain?
RevenueBase identified 84 company matches for mainframe modernization consultants associated with Spain as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Atsistemas tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most mainframe modernization consultants?
Madrid leads with 26 company records, followed by Barcelona (17) and Valencia (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 807 professional contacts with verified work emails tracked across these 84 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 84 mainframe modernization consultants based in Spain. Start with a free account, no credit card.
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Mainframe modernization consultants by geography
- Mainframe modernization consultants based in Sydney, Australia
- Mainframe modernization consultants based in Sao Paulo, Brazil
- Mainframe modernization consultants based in Toronto, Canada
- Mainframe modernization consultants based in Paris, France
- Mainframe modernization consultants based in Bangalore, India
- Mainframe modernization consultants based in Hyderabad, India
- Mainframe modernization consultants based in Noida, India
- Mainframe modernization consultants based in Pune, India
- Mainframe modernization consultants based in Madrid, Spain
- Mainframe modernization consultants based in Dubai, United Arab Emirates
- Mainframe modernization consultants based in London, United Kingdom
- Mainframe modernization consultants based in Atlanta, United States
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Mainframe modernization consultants based in Sydney, Australia
- Mainframe modernization consultants based in Sao Paulo, Brazil
- Mainframe modernization consultants based in Toronto, Canada
- Mainframe modernization consultants based in Paris, France
- Mainframe modernization consultants based in Bangalore, India
- Mainframe modernization consultants based in Hyderabad, India
Company intelligence · public preview
Top 25 mainframe modernization consultants based in Spain
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 84 matching company records for mainframe modernization consultants based in Spain, with 2,070 tracked contacts and 807 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 mainframe modernization consultants based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Atsistemasatsistemas.comHQ: Las Rozas, SpainReported employees: 1,001-5,000 | Las Rozas, Spain | 1,001-5,000 | Exact match | 364 contacts → |
“With about 2200 experts atSistemas delivers IT consulting, services and software development which to help organizations to be more efficient and profitable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Lider IT Consultingliderit.esHQ: Llanera, SpainReported employees: 201-500 | Llanera, Spain | 201-500 | Exact match | 214 contacts → |
“En LIDER IT Consulting llevamos más de 40 años ayudando a nuestros clientes a mejorar la gestión mediante la consultoría, el desarrollo y la implantación de soluciones integradas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Fihocafihoca.comHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 90 contacts → |
“Fihoca es la empresa de Costaisa Group especializada en consultoría y desarrollo de sistemas de información, prestación de servicios y software factory.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Arena. Financial Techarenatech.esHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 73 contacts → |
“ARENA Consulting es una empresa especializada en Tecnologías de la Información, que ofrece servicios de Consultoría, Desarrollo de Aplicaciones, Soporte y Administración de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Business Insightsbusinessinsights.esHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 63 contacts → |
“Tu tecnología impulsa tu negocio o lo frena?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Base100, S.Abase100.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 43 contacts → |
“Driving IT Innovation: At BASE100, we transform your legacy into leadership.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 26 contacts → |
“Grupo SAME (C.B.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Atlas Proyectos Informaticosatlas-pi.comHQ: Zaragoza, SpainReported employees: 11-50 | Zaragoza, Spain | 11-50 | Exact match | 24 contacts → |
“Atlas Proyectos Informáticos nace en 1995, con una vocación clara, garantizar la calidad del servicio y la cercanía a sus clientes, buscando siempre la excelencia en nuestras…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Noddon Technology Consultingnoddon.techHQ: Tarrasa, SpainReported employees: 11-50 | Tarrasa, Spain | 11-50 | Exact match | 17 contacts → |
“Empresa joven, creada en el año 2014, formada por profesionales seniors, con amplia experiencia en la gestión y dirección de grandes proyectos informáticos en el sector financiero…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Certioremcertiorem.comHQ: Erandio, SpainReported employees: 51-200 | Erandio, Spain | 51-200 | Exact match | 14 contacts → |
“Certiorem, es una empresa con más de 15 años de experiencia, dedicada a la consultoría y servicios en las tecnologías de la información, más concretamente en la integración y…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  JES Serveis Informàtics S.Ljes.catHQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 13 contacts → |
“Ofrece servicios de consultoria en el ambito de las tecnologias de la informacon, y asesoramiento para la correcta integración de los sistemas con los procesos de negocio de la…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Escenit Digital Developmentescenit.comHQ: Barcelona, SpainReported employees: 1-10 | Barcelona, Spain | 1-10 | Exact match | 12 contacts → |
“En EsceniT Digital Development ayudamos a las empresas a optimizar sus procesos, mejorar su productividad y acelerar su crecimiento mediante soluciones tecnológicas adaptadas a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Incopyme Informáticaincopyme.comHQ: Torrejón De Ardoz, SpainReported employees: 11-50 | Torrejón De Ardoz, Spain | 11-50 | Exact match | 10 contacts → |
“InCoPYME nace con la misión de asesorar y ayudar a las empresas a la incorporación, adaptación y explotación de las nuevas tecnologías en sus procesos de negocio.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Go4it Solutionsgo4it.solutionsHQ: Zamudio, SpainReported employees: 11-50 | Zamudio, Spain | 11-50 | Exact match | 10 contacts → |
“Go4IT Solutions, somos una spin-off de Tecnalia dedicada a la modernización automática de aplicaciones legacy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  reelease.ioreelease.ioHQ: Bilbao, SpainReported employees: 11-50 | Bilbao, Spain | 11-50 | Exact match | 8 contacts → |
“Reelease Software es tu aliado estratégico en la modernización de sistemas empresariales.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cleverbyte Consulting. Consultoría Tecnológicacleverbyte.esHQ: Pozoblanco, SpainReported employees: 1-10 | Pozoblanco, Spain | 1-10 | Exact match | 8 contacts → |
“Cleverbyte Consulting ofrece su experiencia y su profesionalidad a todas las empresa para que se modernicen Tecnológicamente.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Whitekong Softwarewhitekongsoftware.comHQ: Valencia, SpainReported employees: 1-10 | Valencia, Spain | 1-10 | Exact match | 7 contacts → |
“Transforma Tu Empresa con Soluciones IT Personalizadas En Whitekong Software, llevamos la innovación directamente a tu infraestructura empresarial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Prakmaticprakmatic.comHQ: Alcalá De Henares, SpainReported employees: 51-200 | Alcalá De Henares, Spain | 51-200 | Exact match | 7 contacts → |
“At Prakmatic, we provide advanced technological capabilities to support organizations in their modernization and growth journeys.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Netdrivernetdriver.esHQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 6 contacts → |
“En NetDriver queremos hacer despegar tu empresa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Alxia Microsoft Partneralxia.esHQ: Masrid, SpainReported employees: 11-50 | Masrid, Spain | 11-50 | Exact match | 5 contacts → |
“ALXIA is an organization of consulting and computer services, oriented to the satisfaction of the competitive needs of enterprises, through the application of information…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Claviux Sistemas Informáticos S.Lclaviux.comHQ: Tres Cantos, SpainReported employees: 1-10 | Tres Cantos, Spain | 1-10 | Exact match | 5 contacts → |
“Somos una empresa de ingeniería informática especializada en Legacy y Rehosting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Ideos IT Solutionsideos.esHQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 3 contacts → |
“En IDEOS tenemos clara nuestra vocación de servicio, pero hoy en día hay que ofrecer algo mas, nosotros ofrecemos SOLUCIONES.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Nortuanortua.comHQ: Barcelona, SpainReported employees: 1-10 | Barcelona, Spain | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Doit Simpledoitsimple.esHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 3 contacts → |
“doIT Simple Business and Technology es una Consultora Tecnológica, Estratégica y de Negocio que nace con la intención de simplificar la relación de las empresas y los negocios con…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Dinamation SLdinamation.es HQ: Zaragoza, SpainReported employees: 11-50 | Zaragoza, Spain | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 84 company matches
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Mainframe modernization consultants: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
84 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 84 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Mainframe modernization consultants by metro
Questions about this company list
What does Exact match mean for mainframe modernization consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many mainframe modernization consultants did RevenueBase find based in Spain?
The saved snapshot records 84 matching company records, 2,070 tracked contacts and 807 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Mainframe modernization consultants by geography
- Mainframe modernization consultants based in Sydney, Australia
- Mainframe modernization consultants based in Sao Paulo, Brazil
- Mainframe modernization consultants based in Toronto, Canada
- Mainframe modernization consultants based in Paris, France
- Mainframe modernization consultants based in Bangalore, India
- Mainframe modernization consultants based in Hyderabad, India
- Mainframe modernization consultants based in Noida, India
- Mainframe modernization consultants based in Pune, India
- Mainframe modernization consultants based in Madrid, Spain
- Mainframe modernization consultants based in Dubai, United Arab Emirates
- Mainframe modernization consultants based in London, United Kingdom
- Mainframe modernization consultants based in Atlanta, United States
Cite this list
RevenueBase Data Team. Top 25 mainframe modernization consultants based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/mainframe-modernization-consultants/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Mainframe modernization consultants based in Sydney, Australia
- Mainframe modernization consultants based in Sao Paulo, Brazil
- Mainframe modernization consultants based in Toronto, Canada
- Mainframe modernization consultants based in Paris, France
- Mainframe modernization consultants based in Bangalore, India
- Mainframe modernization consultants based in Hyderabad, India
Company intelligence · public preview
Top 25 mainframe modernization consultants based in Spain
RevenueBase records 84 matching company records for mainframe modernization consultants based in Spain, with 2,070 tracked contacts and 807 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 mainframe modernization consultants based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Atsistemasatsistemas.com HQ: Las Rozas, SpainReported employees: 1,001-5,000 | Las Rozas, Spain | 1,001-5,000 | Exact match | 364 contacts → |
“With about 2200 experts atSistemas delivers IT consulting, services and software development which to help organizations to be more efficient and profitable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Lider IT Consultingliderit.es HQ: Llanera, SpainReported employees: 201-500 | Llanera, Spain | 201-500 | Exact match | 214 contacts → |
“En LIDER IT Consulting llevamos más de 40 años ayudando a nuestros clientes a mejorar la gestión mediante la consultoría, el desarrollo y la implantación de soluciones integradas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Fihocafihoca.com HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 90 contacts → |
“Fihoca es la empresa de Costaisa Group especializada en consultoría y desarrollo de sistemas de información, prestación de servicios y software factory.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Arena. Financial Techarenatech.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 73 contacts → |
“ARENA Consulting es una empresa especializada en Tecnologías de la Información, que ofrece servicios de Consultoría, Desarrollo de Aplicaciones, Soporte y Administración de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Business Insightsbusinessinsights.es HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 63 contacts → |
“Tu tecnología impulsa tu negocio o lo frena?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Base100, S.Abase100.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 43 contacts → |
“Driving IT Innovation: At BASE100, we transform your legacy into leadership.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 26 contacts → |
“Grupo SAME (C.B.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Atlas Proyectos Informaticosatlas-pi.com HQ: Zaragoza, SpainReported employees: 11-50 | Zaragoza, Spain | 11-50 | Exact match | 24 contacts → |
“Atlas Proyectos Informáticos nace en 1995, con una vocación clara, garantizar la calidad del servicio y la cercanía a sus clientes, buscando siempre la excelencia en nuestras…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Noddon Technology Consultingnoddon.tech HQ: Tarrasa, SpainReported employees: 11-50 | Tarrasa, Spain | 11-50 | Exact match | 17 contacts → |
“Empresa joven, creada en el año 2014, formada por profesionales seniors, con amplia experiencia en la gestión y dirección de grandes proyectos informáticos en el sector financiero…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Certioremcertiorem.com HQ: Erandio, SpainReported employees: 51-200 | Erandio, Spain | 51-200 | Exact match | 14 contacts → |
“Certiorem, es una empresa con más de 15 años de experiencia, dedicada a la consultoría y servicios en las tecnologías de la información, más concretamente en la integración y…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | JES Serveis Informàtics S.Ljes.cat HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 13 contacts → |
“Ofrece servicios de consultoria en el ambito de las tecnologias de la informacon, y asesoramiento para la correcta integración de los sistemas con los procesos de negocio de la…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Escenit Digital Developmentescenit.com HQ: Barcelona, SpainReported employees: 1-10 | Barcelona, Spain | 1-10 | Exact match | 12 contacts → |
“En EsceniT Digital Development ayudamos a las empresas a optimizar sus procesos, mejorar su productividad y acelerar su crecimiento mediante soluciones tecnológicas adaptadas a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Incopyme Informáticaincopyme.com HQ: Torrejón De Ardoz, SpainReported employees: 11-50 | Torrejón De Ardoz, Spain | 11-50 | Exact match | 10 contacts → |
“InCoPYME nace con la misión de asesorar y ayudar a las empresas a la incorporación, adaptación y explotación de las nuevas tecnologías en sus procesos de negocio.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Go4it Solutionsgo4it.solutions HQ: Zamudio, SpainReported employees: 11-50 | Zamudio, Spain | 11-50 | Exact match | 10 contacts → |
“Go4IT Solutions, somos una spin-off de Tecnalia dedicada a la modernización automática de aplicaciones legacy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | reelease.ioreelease.io HQ: Bilbao, SpainReported employees: 11-50 | Bilbao, Spain | 11-50 | Exact match | 8 contacts → |
“Reelease Software es tu aliado estratégico en la modernización de sistemas empresariales.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cleverbyte Consulting. Consultoría Tecnológicacleverbyte.es HQ: Pozoblanco, SpainReported employees: 1-10 | Pozoblanco, Spain | 1-10 | Exact match | 8 contacts → |
“Cleverbyte Consulting ofrece su experiencia y su profesionalidad a todas las empresa para que se modernicen Tecnológicamente.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Whitekong Softwarewhitekongsoftware.com HQ: Valencia, SpainReported employees: 1-10 | Valencia, Spain | 1-10 | Exact match | 7 contacts → |
“Transforma Tu Empresa con Soluciones IT Personalizadas En Whitekong Software, llevamos la innovación directamente a tu infraestructura empresarial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Prakmaticprakmatic.com HQ: Alcalá De Henares, SpainReported employees: 51-200 | Alcalá De Henares, Spain | 51-200 | Exact match | 7 contacts → |
“At Prakmatic, we provide advanced technological capabilities to support organizations in their modernization and growth journeys.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Netdrivernetdriver.es HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 6 contacts → |
“En NetDriver queremos hacer despegar tu empresa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Alxia Microsoft Partneralxia.es HQ: Masrid, SpainReported employees: 11-50 | Masrid, Spain | 11-50 | Exact match | 5 contacts → |
“ALXIA is an organization of consulting and computer services, oriented to the satisfaction of the competitive needs of enterprises, through the application of information…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Claviux Sistemas Informáticos S.Lclaviux.com HQ: Tres Cantos, SpainReported employees: 1-10 | Tres Cantos, Spain | 1-10 | Exact match | 5 contacts → |
“Somos una empresa de ingeniería informática especializada en Legacy y Rehosting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Ideos IT Solutionsideos.es HQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 3 contacts → |
“En IDEOS tenemos clara nuestra vocación de servicio, pero hoy en día hay que ofrecer algo mas, nosotros ofrecemos SOLUCIONES.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Nortuanortua.com HQ: Barcelona, SpainReported employees: 1-10 | Barcelona, Spain | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Doit Simpledoitsimple.es HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 3 contacts → |
“doIT Simple Business and Technology es una Consultora Tecnológica, Estratégica y de Negocio que nace con la intención de simplificar la relación de las empresas y los negocios con…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Dinamation SLdinamation.es HQ: Zaragoza, SpainReported employees: 11-50 | Zaragoza, Spain | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 84 company matches
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Mainframe modernization consultants: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
84 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 84 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Mainframe modernization consultants by metro
Questions about this company list
What does Exact match mean for mainframe modernization consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many mainframe modernization consultants did RevenueBase find based in Spain?
The saved snapshot records 84 matching company records, 2,070 tracked contacts and 807 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 mainframe modernization consultants based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/mainframe-modernization-consultants/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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