Company lists · Data refreshed September 2026
Top 25 Legacy system modernization companies based in Ireland
RevenueBase identified 86 company matches for legacy system modernization companies associated with Ireland as of September 2026 and tracks 3,984 professional contacts across them, including 2,201 with verified work emails. Dublin is the largest hub.
This list covers company matches for legacy system modernization companies associated with Ireland, 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 September 20, 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 legacy system modernization companies based in Ireland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,105 contacts → | ||||
Exact match “Version 1 is a leader in AI and digital transformation, partnering strategically with global organisations to transform and adopt technology and drive innovation in a responsible…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 102 contacts → | ||||
Exact match “Welcome to the official EMEA & APAC page for Presidio.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 64 contacts → | ||||
Exact match “Jet BI is a certified software engineering and consulting company headquartered in Dublin, Ireland.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 47 contacts → | ||||
Exact match “e- Celtic is a leading ICT company headquartered in Dublin, Ireland.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 44 contacts → | ||||
Exact match “GlobalLogic is a leader in digital engineering.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 39 contacts → | ||||
Exact match “Client Solutions is the Irish enterprise technology partner of choice.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 23 contacts → | ||||
Exact match “Mission Statement: Impact Engineering Ltd strives to operate as a trusted automation partner, utilising a customer centric focus to combine our technical and business expertise…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “Swappsi is an Irish-based software development company that specialises in Digital Transformation and dedicated to creating interactive solutions tailored to each client’s unique…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 11 contacts → | ||||
Exact match “Grow your business with Tier3Tech Give your business a more streamlined approach to growth by investing in technology that fits your business needs.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 9 contacts → | ||||
Exact match “At Daynt, we are a boutique technology and professional services firm dedicated to helping startups, SMEs, and growing enterprises navigate their digital transformation journeys.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 9 contacts → | ||||
Exact match “We help companies achieve their goals by identifying the gap between where they are and where they need to be, by ensuring the deployment of best-fit technologies, the first time…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match “Imagine an IT partnership that transcends conventional service providers – one that prioritizes your business growth over short-term gains.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “Specialising in financial services and government agencies, Zing Technology transforms your existing software applications into more usable formats.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “Tetra Technology stands at the forefront of the technology services industry, offering innovative solutions that drive business transformation and growth.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “Dovetail is a specialist provider of custom IT solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “We help Unlock your organisation's potential and bring your vision to life with our comprehensive end-to-end digital services, seamlessly transforming your core technology and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “We are a full-fledged IT Services, Consultancy, Software, web application, Mobile app development company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “We empower businesses to speed up and showcase their digital transformation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Consulting and delivering organisational transformation programmes and operating services for large portfolios of applications and platforms with a speciality in IT Service…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “HCS: Your Complete IT Partner for Security, Support, and Transformation Welcome to HCS, your trusted IT partner with over 20 years of experience.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “iConnect101 Limited helps banks, financial institutions, and enterprises move AI from hype to measurable implementation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “COGO is an Irish business transformation company with global reach.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “We are software development professionals with an unconventional entrepreneurial mindset.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Servixon builds on the Servixon Technology Platform (STP) – our unified foundation for creating enterprise tech solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Dublin Tech Solutions is an IT consulting firm based in Dublin.” Recorded in the RevenueBase company graph · Sep 20, 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 “legacy system modernization companies”. 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 86 legacy system modernization companies based in Ireland
See the full list, filter by size, metro and specialty, and access 2,201 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Legacy system modernization companies based in Ireland at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Ireland, so it is reported there. Company counts and contact totals on this page are exact for Ireland, over 86 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 Ireland whose business descriptions match “legacy system modernization companies” 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 2,201 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 September 20, 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.
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 “legacy system modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many legacy system modernization companies are there based in Ireland?
RevenueBase identified 86 company matches for legacy system modernization companies associated with Ireland as of September 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?
Version 1 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most legacy system modernization companies?
Dublin leads with 40 company records, followed by Dublin City (3) and Cavan (2).
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 2,201 professional contacts with verified work emails tracked across these 86 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 September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 86 legacy system modernization companies based in Ireland. Start with a free account, no credit card.
Download this list →Related lists
Legacy system modernization companies by geography
- Legacy system modernization companies based in Brisbane, Australia
- Legacy system modernization companies based in Melbourne, Australia
- Legacy system modernization companies based in Perth, Australia
- Legacy system modernization companies based in Sydney, Australia
- Legacy system modernization companies based in Barueri, Brazil
- Legacy system modernization companies based in Belo Horizonte, Brazil
- Legacy system modernization companies based in Campinas, Brazil
- Legacy system modernization companies based in Curitiba, Brazil
- Legacy system modernization companies based in Rio De Janeiro, Brazil
- Legacy system modernization companies based in Sao Paulo, Brazil
- Legacy system modernization companies based in Calgary, Canada
- Legacy system modernization companies based in Mississauga, Canada
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
- Legacy system modernization companies based in Brisbane, Australia
- Legacy system modernization companies based in Melbourne, Australia
- Legacy system modernization companies based in Perth, Australia
- Legacy system modernization companies based in Sydney, Australia
- Legacy system modernization companies based in Barueri, Brazil
- Legacy system modernization companies based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 25 legacy system modernization companies based in Ireland
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 86 matching company records for legacy system modernization companies based in Ireland, with 3,984 tracked contacts and 2,201 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: September 20, 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 legacy system modernization companies based in Ireland
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 |  Version 1version1.comHQ: Dublin 1, IrelandReported employees: 1,001-5,000 | Dublin 1, Ireland | 1,001-5,000 | Exact match | 3,105 contacts → |
“Version 1 is a leader in AI and digital transformation, partnering strategically with global organisations to transform and adopt technology and drive innovation in a responsible…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Presidio Europe & Asia Pacificpresidio.comHQ: Dublin, IrelandReported employees: 201-500 | Dublin, Ireland | 201-500 | Exact match | 102 contacts → |
“Welcome to the official EMEA & APAC page for Presidio.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  JET BIjetbi.comHQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 64 contacts → |
“Jet BI is a certified software engineering and consulting company headquartered in Dublin, Ireland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  E-Celtic Limitedeceltic.ieHQ: Dublin 8, IrelandReported employees: 51-200 | Dublin 8, Ireland | 51-200 | Exact match | 47 contacts → |
“e- Celtic is a leading ICT company headquartered in Dublin, Ireland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Siderosidero.ieHQ: Athlone, IrelandReported employees: 51-200 | Athlone, Ireland | 51-200 | Exact match | 44 contacts → |
“GlobalLogic is a leader in digital engineering.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Client Solutionsclientsolutions.comHQ: Dublin 12, IrelandReported employees: 201-500 | Dublin 12, Ireland | 201-500 | Exact match | 39 contacts → |
“Client Solutions is the Irish enterprise technology partner of choice.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Impact Engineeringimpact-iel.comHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 23 contacts → |
“Mission Statement: Impact Engineering Ltd strives to operate as a trusted automation partner, utilising a customer centric focus to combine our technical and business expertise…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Swappsi Softwareswappsi.comHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 17 contacts → |
“Swappsi is an Irish-based software development company that specialises in Digital Transformation and dedicated to creating interactive solutions tailored to each client’s unique…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Tier3tech Supporttier3tech.ieHQ: Dublin 2, IrelandReported employees: 1-10 | Dublin 2, Ireland | 1-10 | Exact match | 11 contacts → |
“Grow your business with Tier3Tech Give your business a more streamlined approach to growth by investing in technology that fits your business needs.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  DAYNTdaynt.comHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 9 contacts → |
“At Daynt, we are a boutique technology and professional services firm dedicated to helping startups, SMEs, and growing enterprises navigate their digital transformation journeys.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Wolf And OAKwolfandoak.comHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 9 contacts → |
“We help companies achieve their goals by identifying the gap between where they are and where they need to be, by ensuring the deployment of best-fit technologies, the first time…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  GPS IT Services LTDgpsitservices.ieHQ: Celbridge, IrelandReported employees: 11-50 | Celbridge, Ireland | 11-50 | Exact match | 9 contacts → |
“Imagine an IT partnership that transcends conventional service providers – one that prioritizes your business growth over short-term gains.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Zing Technologyzing.ieHQ: Dublin 1, IrelandReported employees: 11-50 | Dublin 1, Ireland | 11-50 | Exact match | 9 contacts → |
“Specialising in financial services and government agencies, Zing Technology transforms your existing software applications into more usable formats.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Tetra Technologytetratechnology.comHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 8 contacts → |
“Tetra Technology stands at the forefront of the technology services industry, offering innovative solutions that drive business transformation and growth.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Dovetail Technologies LTDdovetail.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 7 contacts → |
“Dovetail is a specialist provider of custom IT solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Purpledeckspurpledecks.comHQ: Longford, IrelandReported employees: 11-50 | Longford, Ireland | 11-50 | Exact match | 6 contacts → |
“We help Unlock your organisation's potential and bring your vision to life with our comprehensive end-to-end digital services, seamlessly transforming your core technology and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Squarebreedsquarebreed.ieHQ: Dublin 10, IrelandReported employees: 1-10 | Dublin 10, Ireland | 1-10 | Exact match | 6 contacts → |
“We are a full-fledged IT Services, Consultancy, Software, web application, Mobile app development company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Move Forwardmforward.euHQ: Dublin, IrelandReported employees: 1-10 | Dublin, Ireland | 1-10 | Exact match | 5 contacts → |
“We empower businesses to speed up and showcase their digital transformation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Diatom Technologiesdiatomtechnologies.ieHQ: Dublin, IrelandReported employees: 1-10 | Dublin, Ireland | 1-10 | Exact match | 5 contacts → |
“Consulting and delivering organisational transformation programmes and operating services for large portfolios of applications and platforms with a speciality in IT Service…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  HCShcs.ieHQ: IrelandReported employees: 11-50 | Ireland | 11-50 | Exact match | 4 contacts → |
“HCS: Your Complete IT Partner for Security, Support, and Transformation Welcome to HCS, your trusted IT partner with over 20 years of experience.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Iconnect101iconnect101.comHQ: Dublin City, IrelandReported employees: 11-50 | Dublin City, Ireland | 11-50 | Exact match | 4 contacts → |
“iConnect101 Limited helps banks, financial institutions, and enterprises move AI from hype to measurable implementation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Cogo Consultingcogo.ieHQ: Kinsale, IrelandReported employees: 1-10 | Kinsale, Ireland | 1-10 | Exact match | 4 contacts → |
“COGO is an Irish business transformation company with global reach.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Webyourmind Limitedwebyourmind.comHQ: Dublin 3, IrelandReported employees: 1-10 | Dublin 3, Ireland | 1-10 | Exact match | 4 contacts → |
“We are software development professionals with an unconventional entrepreneurial mindset.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Servixonservixon.comHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 3 contacts → |
“Servixon builds on the Servixon Technology Platform (STP) – our unified foundation for creating enterprise tech solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Dublin Tech Solutions Limiteddublintechsolutions.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 3 contacts → |
“Dublin Tech Solutions is an IT consulting firm based in Dublin.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 86 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Legacy system modernization companies: dataset insights
September 20, 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
86 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 Ireland, so it is reported there. Company counts and contact totals on this page are exact for Ireland, over 86 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: September 20, 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 ↗
Questions about this company list
What does Exact match mean for legacy system modernization companies?
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 legacy system modernization companies did RevenueBase find based in Ireland?
The saved snapshot records 86 matching company records, 3,984 tracked contacts and 2,201 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: September 20, 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
Legacy system modernization companies by geography
- Legacy system modernization companies based in Brisbane, Australia
- Legacy system modernization companies based in Melbourne, Australia
- Legacy system modernization companies based in Perth, Australia
- Legacy system modernization companies based in Sydney, Australia
- Legacy system modernization companies based in Barueri, Brazil
- Legacy system modernization companies based in Belo Horizonte, Brazil
- Legacy system modernization companies based in Campinas, Brazil
- Legacy system modernization companies based in Curitiba, Brazil
- Legacy system modernization companies based in Rio De Janeiro, Brazil
- Legacy system modernization companies based in Sao Paulo, Brazil
- Legacy system modernization companies based in Calgary, Canada
- Legacy system modernization companies based in Mississauga, Canada
Cite this list
RevenueBase Data Team. Top 25 legacy system modernization companies based in Ireland. Snapshot: September 20, 2026. https://revenuebase.ai/companies/legacy-system-modernization-companies/ireland.
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
- Legacy system modernization companies based in Brisbane, Australia
- Legacy system modernization companies based in Melbourne, Australia
- Legacy system modernization companies based in Perth, Australia
- Legacy system modernization companies based in Sydney, Australia
- Legacy system modernization companies based in Barueri, Brazil
- Legacy system modernization companies based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 25 legacy system modernization companies based in Ireland
RevenueBase records 86 matching company records for legacy system modernization companies based in Ireland, with 3,984 tracked contacts and 2,201 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: September 20, 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 legacy system modernization companies based in Ireland
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 | Version 1version1.com HQ: Dublin 1, IrelandReported employees: 1,001-5,000 | Dublin 1, Ireland | 1,001-5,000 | Exact match | 3,105 contacts → |
“Version 1 is a leader in AI and digital transformation, partnering strategically with global organisations to transform and adopt technology and drive innovation in a responsible…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Presidio Europe & Asia Pacificpresidio.com HQ: Dublin, IrelandReported employees: 201-500 | Dublin, Ireland | 201-500 | Exact match | 102 contacts → |
“Welcome to the official EMEA & APAC page for Presidio.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | JET BIjetbi.com HQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 64 contacts → |
“Jet BI is a certified software engineering and consulting company headquartered in Dublin, Ireland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | E-Celtic Limitedeceltic.ie HQ: Dublin 8, IrelandReported employees: 51-200 | Dublin 8, Ireland | 51-200 | Exact match | 47 contacts → |
“e- Celtic is a leading ICT company headquartered in Dublin, Ireland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Siderosidero.ie HQ: Athlone, IrelandReported employees: 51-200 | Athlone, Ireland | 51-200 | Exact match | 44 contacts → |
“GlobalLogic is a leader in digital engineering.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Client Solutionsclientsolutions.com HQ: Dublin 12, IrelandReported employees: 201-500 | Dublin 12, Ireland | 201-500 | Exact match | 39 contacts → |
“Client Solutions is the Irish enterprise technology partner of choice.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Impact Engineeringimpact-iel.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 23 contacts → |
“Mission Statement: Impact Engineering Ltd strives to operate as a trusted automation partner, utilising a customer centric focus to combine our technical and business expertise…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Swappsi Softwareswappsi.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 17 contacts → |
“Swappsi is an Irish-based software development company that specialises in Digital Transformation and dedicated to creating interactive solutions tailored to each client’s unique…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Tier3tech Supporttier3tech.ie HQ: Dublin 2, IrelandReported employees: 1-10 | Dublin 2, Ireland | 1-10 | Exact match | 11 contacts → |
“Grow your business with Tier3Tech Give your business a more streamlined approach to growth by investing in technology that fits your business needs.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | DAYNTdaynt.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 9 contacts → |
“At Daynt, we are a boutique technology and professional services firm dedicated to helping startups, SMEs, and growing enterprises navigate their digital transformation journeys.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Wolf And OAKwolfandoak.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 9 contacts → |
“We help companies achieve their goals by identifying the gap between where they are and where they need to be, by ensuring the deployment of best-fit technologies, the first time…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GPS IT Services LTDgpsitservices.ie HQ: Celbridge, IrelandReported employees: 11-50 | Celbridge, Ireland | 11-50 | Exact match | 9 contacts → |
“Imagine an IT partnership that transcends conventional service providers – one that prioritizes your business growth over short-term gains.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Zing Technologyzing.ie HQ: Dublin 1, IrelandReported employees: 11-50 | Dublin 1, Ireland | 11-50 | Exact match | 9 contacts → |
“Specialising in financial services and government agencies, Zing Technology transforms your existing software applications into more usable formats.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tetra Technologytetratechnology.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 8 contacts → |
“Tetra Technology stands at the forefront of the technology services industry, offering innovative solutions that drive business transformation and growth.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Dovetail Technologies LTDdovetail.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 7 contacts → |
“Dovetail is a specialist provider of custom IT solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Purpledeckspurpledecks.com HQ: Longford, IrelandReported employees: 11-50 | Longford, Ireland | 11-50 | Exact match | 6 contacts → |
“We help Unlock your organisation's potential and bring your vision to life with our comprehensive end-to-end digital services, seamlessly transforming your core technology and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Squarebreedsquarebreed.ie HQ: Dublin 10, IrelandReported employees: 1-10 | Dublin 10, Ireland | 1-10 | Exact match | 6 contacts → |
“We are a full-fledged IT Services, Consultancy, Software, web application, Mobile app development company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Move Forwardmforward.eu HQ: Dublin, IrelandReported employees: 1-10 | Dublin, Ireland | 1-10 | Exact match | 5 contacts → |
“We empower businesses to speed up and showcase their digital transformation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Diatom Technologiesdiatomtechnologies.ie HQ: Dublin, IrelandReported employees: 1-10 | Dublin, Ireland | 1-10 | Exact match | 5 contacts → |
“Consulting and delivering organisational transformation programmes and operating services for large portfolios of applications and platforms with a speciality in IT Service…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HCShcs.ie HQ: IrelandReported employees: 11-50 | Ireland | 11-50 | Exact match | 4 contacts → |
“HCS: Your Complete IT Partner for Security, Support, and Transformation Welcome to HCS, your trusted IT partner with over 20 years of experience.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Iconnect101iconnect101.com HQ: Dublin City, IrelandReported employees: 11-50 | Dublin City, Ireland | 11-50 | Exact match | 4 contacts → |
“iConnect101 Limited helps banks, financial institutions, and enterprises move AI from hype to measurable implementation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Cogo Consultingcogo.ie HQ: Kinsale, IrelandReported employees: 1-10 | Kinsale, Ireland | 1-10 | Exact match | 4 contacts → |
“COGO is an Irish business transformation company with global reach.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Webyourmind Limitedwebyourmind.com HQ: Dublin 3, IrelandReported employees: 1-10 | Dublin 3, Ireland | 1-10 | Exact match | 4 contacts → |
“We are software development professionals with an unconventional entrepreneurial mindset.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Servixonservixon.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 3 contacts → |
“Servixon builds on the Servixon Technology Platform (STP) – our unified foundation for creating enterprise tech solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Dublin Tech Solutions Limiteddublintechsolutions.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 3 contacts → |
“Dublin Tech Solutions is an IT consulting firm based in Dublin.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 86 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Legacy system modernization companies: dataset insights
September 20, 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
86 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 Ireland, so it is reported there. Company counts and contact totals on this page are exact for Ireland, over 86 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: September 20, 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 ↗
Questions about this company list
What does Exact match mean for legacy system modernization companies?
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 legacy system modernization companies did RevenueBase find based in Ireland?
The saved snapshot records 86 matching company records, 3,984 tracked contacts and 2,201 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: September 20, 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
Legacy system modernization companies by geography
- Legacy system modernization companies based in Brisbane, Australia
- Legacy system modernization companies based in Melbourne, Australia
- Legacy system modernization companies based in Perth, Australia
- Legacy system modernization companies based in Sydney, Australia
- Legacy system modernization companies based in Barueri, Brazil
- Legacy system modernization companies based in Belo Horizonte, Brazil
- Legacy system modernization companies based in Campinas, Brazil
- Legacy system modernization companies based in Curitiba, Brazil
- Legacy system modernization companies based in Rio De Janeiro, Brazil
- Legacy system modernization companies based in Sao Paulo, Brazil
- Legacy system modernization companies based in Calgary, Canada
- Legacy system modernization companies based in Mississauga, Canada
Cite this list
RevenueBase Data Team. Top 25 legacy system modernization companies based in Ireland. Snapshot: September 20, 2026. https://revenuebase.ai/companies/legacy-system-modernization-companies/ireland.
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
- Legacy system modernization companies based in Brisbane, Australia
- Legacy system modernization companies based in Melbourne, Australia
- Legacy system modernization companies based in Perth, Australia
- Legacy system modernization companies based in Sydney, Australia
- Legacy system modernization companies based in Barueri, Brazil
- Legacy system modernization companies based in Belo Horizonte, Brazil