Company lists · Data refreshed September 2026
Top 13 Mission critical software companies based in the United Kingdom
RevenueBase identified 25 company matches for mission critical software companies associated with the United Kingdom as of September 2026 and tracks 488 professional contacts across them, including 207 with verified work emails. London is the largest hub.
This list covers company matches for mission critical software companies associated with the United Kingdom, 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 27, 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 13 largest mission critical software companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 111 contacts → | ||||
Exact match “Codethink specialises in system-level software infrastructure to support advanced technical applications, working across a range of industries including finance, automotive…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 90 contacts → | ||||
Exact match “When software underpins how your business operates, change carries real risk.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 76 contacts → | ||||
Exact match “Bitwise enabling innovation with software engineering excellence.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 64 contacts → | ||||
Exact match “Savant offer software engineering and database development services - with particular expertise in life-critical and business-critical systems.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 33 contacts → | ||||
Exact match “Servelec Controls develops and integrates bespoke mission-critical systems for national infrastructure by bringing together specialist hardware, software and world-class…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 29 contacts → | ||||
Exact match “Bluehouse specialises in mission-critical software for high performance, massive scale & extreme availability.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 19 contacts → | ||||
Exact match “Our software products are the beating hearts of businesses.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “At Igence, our 20+ years experience with 500+ man years of cumulative software capabilities enables us to modernise systems, integrate software packages, enable visualisation of…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match “VTS Software is an international technology team that plans, designs and enables bespoke software development and highly secure network solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match “Embed Software Limited is an independent high-integrity safety critical software development and engineering services company.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 6 contacts → | ||||
Exact match “Yarra Software Ltd is a Northern Ireland based software development company, whose primary objective is the delivery of quality software solutions and related support services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “We’re straight-talking, software engineering specialists, trusted by government, financial services and global organisations to modernise critical systems, remove bottlenecks and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 2 contacts → | ||||
Exact match “Method B is a consultancy specialising in software design/development, management systems and special processes.” Recorded in the RevenueBase company graph · Sep 27, 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 “mission critical software 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 13 of 25 mission critical software companies based in the United Kingdom
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Mission critical software companies based in the United Kingdom at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 25 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 the United Kingdom whose business descriptions match “mission critical software 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 207 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 27, 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 “mission critical software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many mission critical software companies are there based in the United Kingdom?
RevenueBase identified 25 company matches for mission critical software companies associated with the United Kingdom 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?
Codethink tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most mission critical software companies?
London leads with 5 company records, followed by Addlestone (1) and Belfast (1).
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 207 professional contacts with verified work emails tracked across these 25 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 25 mission critical software companies based in the United Kingdom. Start with a free account, no credit card.
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Mission critical software companies by geography
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
- Mission critical software companies based in the United States
- AI companies based in the United Kingdom
- Cybersecurity companies based in the United Kingdom
- Manufacturing companies based in the United Kingdom
- Media companies based in the United Kingdom
- Oil and gas companies based in the United Kingdom
Company intelligence · public preview
Top 13 mission critical software companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 25 matching company records for mission critical software companies based in the United Kingdom, with 488 tracked contacts and 207 verified work emails.
This public preview shows 13 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 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 13 mission critical software companies based in the United Kingdom
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 | Codethinkcodethink.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 111 contacts → |
“Codethink specialises in system-level software infrastructure to support advanced technical applications, working across a range of industries including finance, automotive…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Goodcore Softwaregoodcore.co.uk HQ: Croydon, United KingdomReported employees: 51-200 | Croydon, United Kingdom | 51-200 | Exact match | 90 contacts → |
“When software underpins how your business operates, change carries real risk.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bitwise Groupbitwisegroup.comHQ: Dunfermline, United KingdomReported employees: 51-200 | Dunfermline, United Kingdom | 51-200 | Exact match | 76 contacts → |
“Bitwise enabling innovation with software engineering excellence.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Savant LTDsavant.co.uk HQ: Burton-in-kendal, United KingdomReported employees: 51-200 | Burton-in-kendal, United Kingdom | 51-200 | Exact match | 64 contacts → |
“Savant offer software engineering and database development services - with particular expertise in life-critical and business-critical systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Servelec Controlsserveleccontrols.comHQ: Sheffield, United KingdomReported employees: 51-200 | Sheffield, United Kingdom | 51-200 | Exact match | 33 contacts → |
“Servelec Controls develops and integrates bespoke mission-critical systems for national infrastructure by bringing together specialist hardware, software and world-class…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Bluehouse Technologybluehouse-technology.co.ukHQ: Cambridge, United KingdomReported employees: 11-50 | Cambridge, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Bluehouse specialises in mission-critical software for high performance, massive scale & extreme availability.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Abingdonabingdon-group.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 19 contacts → |
“Our software products are the beating hearts of businesses.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Igence Software LTDigence.comHQ: East Grinstead, United KingdomReported employees: 11-50 | East Grinstead, United Kingdom | 11-50 | Exact match | 11 contacts → |
“At Igence, our 20+ years experience with 500+ man years of cumulative software capabilities enables us to modernise systems, integrate software packages, enable visualisation of…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  VTS Softwarevtssoftware.comHQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 10 contacts → |
“VTS Software is an international technology team that plans, designs and enables bespoke software development and highly secure network solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Embed Software Limitedembed.engineerHQ: Edinburgh, United KingdomReported employees: 1-10 | Edinburgh, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Embed Software Limited is an independent high-integrity safety critical software development and engineering services company.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Yarra Softwareyarrasoftware.comHQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Yarra Software Ltd is a Northern Ireland based software development company, whose primary objective is the delivery of quality software solutions and related support services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Catapult CXcatapult.cx HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“We’re straight-talking, software engineering specialists, trusted by government, financial services and global organisations to modernise critical systems, remove bottlenecks and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Method B LTDmethod-b.ukHQ: Brighton, United KingdomReported employees: 1-10 | Brighton, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Method B is a consultancy specialising in software design/development, management systems and special processes.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 13 of 25 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Mission critical software companies: dataset insights
September 27, 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
25 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 United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 25 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 27, 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 mission critical software 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 mission critical software companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 25 matching company records, 488 tracked contacts and 207 verified emails. The public preview displays 13 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 27, 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
Mission critical software companies by geography
Cite this list
RevenueBase Data Team. Top 13 mission critical software companies based in the United Kingdom. Snapshot: September 27, 2026. https://revenuebase.ai/companies/mission-critical-software-companies/united-kingdom.
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
- Mission critical software companies based in the United States
- AI companies based in the United Kingdom
- Cybersecurity companies based in the United Kingdom
- Manufacturing companies based in the United Kingdom
- Media companies based in the United Kingdom
- Oil and gas companies based in the United Kingdom
Company intelligence · public preview
Top 13 mission critical software companies based in the United Kingdom
RevenueBase records 25 matching company records for mission critical software companies based in the United Kingdom, with 488 tracked contacts and 207 verified work emails.
This public preview shows 13 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 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 13 mission critical software companies based in the United Kingdom
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 | Codethinkcodethink.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 111 contacts → |
“Codethink specialises in system-level software infrastructure to support advanced technical applications, working across a range of industries including finance, automotive…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Goodcore Softwaregoodcore.co.uk HQ: Croydon, United KingdomReported employees: 51-200 | Croydon, United Kingdom | 51-200 | Exact match | 90 contacts → |
“When software underpins how your business operates, change carries real risk.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bitwise Groupbitwisegroup.com HQ: Dunfermline, United KingdomReported employees: 51-200 | Dunfermline, United Kingdom | 51-200 | Exact match | 76 contacts → |
“Bitwise enabling innovation with software engineering excellence.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Savant LTDsavant.co.uk HQ: Burton-in-kendal, United KingdomReported employees: 51-200 | Burton-in-kendal, United Kingdom | 51-200 | Exact match | 64 contacts → |
“Savant offer software engineering and database development services - with particular expertise in life-critical and business-critical systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Servelec Controlsserveleccontrols.com HQ: Sheffield, United KingdomReported employees: 51-200 | Sheffield, United Kingdom | 51-200 | Exact match | 33 contacts → |
“Servelec Controls develops and integrates bespoke mission-critical systems for national infrastructure by bringing together specialist hardware, software and world-class…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Bluehouse Technologybluehouse-technology.co.uk HQ: Cambridge, United KingdomReported employees: 11-50 | Cambridge, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Bluehouse specialises in mission-critical software for high performance, massive scale & extreme availability.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Abingdonabingdon-group.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 19 contacts → |
“Our software products are the beating hearts of businesses.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Igence Software LTDigence.com HQ: East Grinstead, United KingdomReported employees: 11-50 | East Grinstead, United Kingdom | 11-50 | Exact match | 11 contacts → |
“At Igence, our 20+ years experience with 500+ man years of cumulative software capabilities enables us to modernise systems, integrate software packages, enable visualisation of…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | VTS Softwarevtssoftware.com HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 10 contacts → |
“VTS Software is an international technology team that plans, designs and enables bespoke software development and highly secure network solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Embed Software Limitedembed.engineer HQ: Edinburgh, United KingdomReported employees: 1-10 | Edinburgh, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Embed Software Limited is an independent high-integrity safety critical software development and engineering services company.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Yarra Softwareyarrasoftware.com HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Yarra Software Ltd is a Northern Ireland based software development company, whose primary objective is the delivery of quality software solutions and related support services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Catapult CXcatapult.cx HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“We’re straight-talking, software engineering specialists, trusted by government, financial services and global organisations to modernise critical systems, remove bottlenecks and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Method B LTDmethod-b.uk HQ: Brighton, United KingdomReported employees: 1-10 | Brighton, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Method B is a consultancy specialising in software design/development, management systems and special processes.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 13 of 25 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Mission critical software companies: dataset insights
September 27, 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
25 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 United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 25 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 27, 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 mission critical software 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 mission critical software companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 25 matching company records, 488 tracked contacts and 207 verified emails. The public preview displays 13 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 27, 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
Mission critical software companies by geography
Cite this list
RevenueBase Data Team. Top 13 mission critical software companies based in the United Kingdom. Snapshot: September 27, 2026. https://revenuebase.ai/companies/mission-critical-software-companies/united-kingdom.
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
- Mission critical software companies based in the United States
- AI companies based in the United Kingdom
- Cybersecurity companies based in the United Kingdom
- Manufacturing companies based in the United Kingdom
- Media companies based in the United Kingdom
- Oil and gas companies based in the United Kingdom