Company lists · Data refreshed September 2026

Top 25 Zero downtime migration worldwide

RevenueBase identified 241 company matches for zero downtime migration worldwide as of September 2026 and tracks 2,707 professional contacts across them, including 863 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for zero downtime migration worldwide, 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 22, 2026. Country and city lists for zero downtime migration follow the table.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
241Companies
2,707Contacts tracked
863Verified emails
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The 25 largest zero downtime migration worldwide

Ranked by team size
Top 25 of 241 company matches for zero downtime migration worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWalldorf, GermanyHQ recorded Sep 22, 2026501-1,000415 contacts →

Exact match

“Natuvion is a digital moving company.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchSt Louis, MO, United StatesHQ recorded Sep 22, 2026201-500206 contacts →

Exact match

“Astadia is the industry leader for mainframe migrations and modernizations.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchLas Vegas, NV, United StatesHQ recorded Sep 22, 2026201-500157 contacts →

Exact match

“Founded in 2004 by visionaries from leading technology organizations, mLogica’s leaders envisioned a faster, more efficient way of modernizing IT infrastructures to eliminate the…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchChicago, United StatesHQ recorded Sep 22, 202651-200107 contacts →

Exact match

“Over the past 12 years, MMC Convert has successfully completed over data conversions from various accounting software platforms to leading solutions like Xero, QuickBooks Online…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchNam Tu Liem, United StatesHQ recorded Sep 22, 2026201-50093 contacts →

Exact match

“Founded in 2011 by a group of eCommerce experts, LitExtension is determined to create a go-to migration solution for e-merchants in needs of replatforming.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchBurlington, MA, United StatesHQ recorded Sep 22, 202651-20085 contacts →

Exact match

“Data Driven and Data First!”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchGrand Rapids, MI, United StatesHQ recorded Sep 22, 202651-20065 contacts →

Exact match

“Helix International specializes in document and content migrations.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchNieuwegein, NetherlandsHQ recorded Sep 22, 202651-20055 contacts →

Exact match

“We have a passion for data.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchBuderim, AustraliaHQ recorded Sep 22, 202651-20048 contacts →

Exact match

“DataMC is a leader in the delivery of highly complex data migrations, specialising in the end-to-end delivery of ERP, CRM, industry specific, bespoke and business transformation…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchSan Ramon, CA, United StatesHQ recorded Sep 22, 202651-20038 contacts →

Exact match

“WANdisco is the data activation company.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchSyosset, NY, United StatesHQ recorded Sep 22, 202611-5037 contacts →

Exact match

“Cirrus Data Solutions Inc.(Cirrus Data) is a privately-held developer of enterprise-class data management software solutions for automating data migration, data protection and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact match69002, FranceHQ recorded Sep 22, 202651-20035 contacts →

Exact match

“Move Solutions is an IT services company specialized in development and transformation of information systems : Data Migration, Modernization and Maintenance.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchPune, IndiaHQ recorded Sep 22, 202611-5034 contacts →

Exact match

“At Datamotive, we're not just about moving data-we're architects of digital fluidity, and pioneers in workload portability.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchClevedon, United KingdomHQ recorded Sep 22, 202651-20034 contacts →

Exact match

“Since pioneering the world’s first email archive migration tool in 2006, Transvault has delivered over 3,500 projects across 56 countries.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchChennai, IndiaHQ recorded Sep 22, 202651-20034 contacts →

Exact match

“Data Migration & Integration as a Service (IaaS) Migration | SaaS | API & Microservices | AI & ML Arbaan GT is a trusted partner for enterprises looking to scale efficiently and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchBasking Ridge, NJ, United StatesHQ recorded Sep 22, 202651-20032 contacts →

Exact match

“Valiance Partners was merged with NNIT in October 2022.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchKings Langley, United KingdomHQ recorded Sep 22, 202611-5031 contacts →

Exact match

“Datalynx Ltd is a UK-based consultancy with over 20 years’ experience, dedicated to delivering data migration, data integration, data quality and data architecture & analytics…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Sep 22, 202611-5028 contacts →

Exact match

“Data Strategies Interchange is a leading provider of large-scale data migration and conversion services to Fortune 500 and Global companies that need to upgrade from older…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchBrentwood, TN, IndiaHQ recorded Sep 22, 202651-20026 contacts →

Exact match

“Trinisys, a Harmony Healthcare IT Company, is leading major enterprise data migrations, integrations, and web application solutions for healthcare, insurance, government, payer…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchSydney, AustraliaHQ recorded Sep 22, 202611-5025 contacts →

Exact match

“Datalynx is an Australian company providing innovative, world-class enterprise data management software.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchVianen, NetherlandsHQ recorded Sep 22, 202611-5021 contacts →

Exact match

“Wij zijn Your Data Company, specialisten in data migraties en data-management.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchTachbrook Park Warwick, United KingdomHQ recorded Sep 22, 202651-20019 contacts →

Exact match

“Data Confidence.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchLos Altos, CA, United StatesHQ recorded Sep 22, 202611-5019 contacts →

Exact match

“PrimaryIO’s brings a portfolio of software and tech-enabled services to guide the journey from on-premises to hybrid to cloud.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchBedford, MA, United StatesHQ recorded Sep 22, 202611-5018 contacts →

Exact match

“Zengines helps financial services enterprises position their data for AI, usable across every system change, and explainable across decades of legacy code.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchIrving, TX, United StatesHQ recorded Sep 22, 202611-5018 contacts →

Exact match

“UCT is the leading service provider for data conversion, migration, and integration in the financial services marketplace.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 241 zero downtime migration worldwide

See the full list, filter by size, metro and specialty, and access 863 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Zero downtime migration worldwide at a glance

As of Sep 22, 2026
31.9%Verified-email coverage
11.2Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · London
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
128
11-50
83
51-200
23
201-500
5
501-1,000
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for zero downtime migration are linked below.
What qualifies
Company records worldwide whose business descriptions match “zero downtime migration” 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. 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 863 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 22, 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.

Zero downtime migration by location

2 lists · largest first

Every Zero downtime migration list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “zero downtime migration”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many zero downtime migration are there worldwide?

RevenueBase identified 241 company matches for zero downtime migration worldwide 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?

Natuvion tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most zero downtime migration?

The United States leads with 69 companies, followed by the United Kingdom (26). Every zero downtime migration list by country and city is linked on this page.

Which city has the most zero downtime migration?

London leads with 8 company records, followed by Bangalore (4) and Sydney (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 863 professional contacts with verified work emails tracked across these 241 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 22, 2026.

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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.