Company lists · Data refreshed November 2026
Top 17 Assessment and testing platform developers based in London, United Kingdom
RevenueBase identified 43 company matches for assessment and testing platform developers associated with London, United Kingdom as of November 2026 and tracks 601 professional contacts across them, including 276 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for assessment and testing platform developers associated with London, 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 November 5, 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 17 largest assessment and testing platform developers based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 89 contacts → | ||||
Exact match “CENTURY Tech is an award-winning AI education technology company focused on the learning, teaching and assessment space.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 44 contacts → | ||||
Exact match “AI-Ready Test Data Management for platform enterprise test/QA Synthesized provides continuous data availability for test automation & agentic AI workflows.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 43 contacts → | ||||
Exact match “You deliver.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 37 contacts → | ||||
Exact match “Doublestruck is a market leader in the educational world, offering hugely popular assessment software in Primary and Secondary schools.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 29 contacts → | ||||
Exact match “AQA Global Assessment Services combines 120 years of assessment expertise and knowledge with skills from across the wider AQA group.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 28 contacts → | ||||
Exact match “Building the classroom of the future We are building an all-encompassing platform for educators, which at its core has a proprietary Learning Profile assessment combined with a…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 13 contacts → | ||||
Exact match “Zzish is a software company that builds AI data-driven educational software to give teachers superpowers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 9 contacts → | ||||
Exact match “Conventional online psychometric assessments are time consuming, often inaccurate, biased, and easy to cheat using tools like ChatGPT.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 6 contacts → | ||||
Exact match “Exaim is exam preparation that actually improves grades.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 5 contacts → | ||||
Exact match “Our vision is to ensure that human potential is discovered, developed and utilised to make people and organisations successful.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match “We envision a world where anyone, anywhere can transform their life by accessing the world’s best data collection experience.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “Hiring skilled developers shouldn’t feel like guesswork.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “The English Quiz is a secure online language testing platform that assists companies in accurately and efficiently evaluating English language levels for recruitment and internal…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 2 contacts → | ||||
Exact match “Engage capability and content creators everywhere - YouCap helps you to create and deliver your exam anywhere, anytime, on any device.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “TopScore provide assessment centre software, for virtual and face-to-face assessment centres & interviews.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 1 contacts → | ||||
Exact match “H2 Cognitive Designs specialises in creating cognitive testing and remote clinical assessment products.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 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 “assessment and testing platform developers”. 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 17 of 43 assessment and testing platform developers based in London, United Kingdom
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Assessment and testing platform developers based in London, United Kingdom at a glance
As of Nov 5, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 43 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 London, United Kingdom whose business descriptions match “assessment and testing platform developers” 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 276 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 5, 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 “assessment and testing platform developers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many assessment and testing platform developers are there based in London, United Kingdom?
RevenueBase identified 43 company matches for assessment and testing platform developers associated with London, United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Century Tech tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United Kingdom has the most assessment and testing platform developers?
London leads the United Kingdom with 43 company records, followed by Manchester (4) and Brentford (3).
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 276 professional contacts with verified work emails tracked across these 43 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 43 assessment and testing platform developers based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Assessment and testing platform developers by geography
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- Assessment and testing platform developers based in Brazil
- Assessment and testing platform developers based in Canada
- Assessment and testing platform developers based in France
- Assessment and testing platform developers based in India
- Assessment and testing platform developers based in the Netherlands
- Assessment and testing platform developers based in Türkiye
- Assessment and testing platform developers based in the United Kingdom
- Assessment and testing platform developers based in the United States
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- New lists
- Assessment and testing platform developers based in Bangalore, India
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Company intelligence · public preview
Top 17 assessment and testing platform developers based in London, 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 43 matching company records for assessment and testing platform developers based in London, United Kingdom, with 601 tracked contacts and 276 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 17 assessment and testing platform developers based in London, 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 |  Century Techcentury.techHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 89 contacts → |
“CENTURY Tech is an award-winning AI education technology company focused on the learning, teaching and assessment space.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Synthesizedsynthesized.ioHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 44 contacts → |
“AI-Ready Test Data Management for platform enterprise test/QA Synthesized provides continuous data availability for test automation & agentic AI workflows.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Accelerate Peopleaccelerate-people.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 43 contacts → |
“You deliver.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Doublestruckdoublestruck.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 37 contacts → |
“Doublestruck is a market leader in the educational world, offering hugely popular assessment software in Primary and Secondary schools.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  AQA Global Assessment Servicesaqaglobal.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 29 contacts → |
“AQA Global Assessment Services combines 120 years of assessment expertise and knowledge with skills from across the wider AQA group.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Wonders Of Mathseducai.ioHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 28 contacts → |
“Building the classroom of the future We are building an all-encompassing platform for educators, which at its core has a proprietary Learning Profile assessment combined with a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  ZZISHzzish.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Zzish is a software company that builds AI data-driven educational software to give teachers superpowers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Neurosightneurosight.ioHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Conventional online psychometric assessments are time consuming, often inaccurate, biased, and easy to cheat using tools like ChatGPT.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  EXAIMexaim.aiHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Exaim is exam preparation that actually improves grades.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Cognitive Persona UK Limitedcognitivepersona.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Our vision is to ensure that human potential is discovered, developed and utilised to make people and organisations successful.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  quodit.ioquodit.ioHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“We envision a world where anyone, anywhere can transform their life by accessing the world’s best data collection experience.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  accelerate.ioaccelerate.ioHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Hiring skilled developers shouldn’t feel like guesswork.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  The English Quiztheenglishquiz.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“The English Quiz is a secure online language testing platform that assists companies in accurately and efficiently evaluating English language levels for recruitment and internal…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Youcap LTDyoucap.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Engage capability and content creators everywhere - YouCap helps you to create and deliver your exam anywhere, anytime, on any device.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Topscore Unseen Grouptopscoretech.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“TopScore provide assessment centre software, for virtual and face-to-face assessment centres & interviews.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  H2 Cognitive Designscognitron.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“H2 Cognitive Designs specialises in creating cognitive testing and remote clinical assessment products.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Intac Networkintac.networkHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 17 of 43 company matches
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Assessment and testing platform developers: dataset insights
November 5, 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
43 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 across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 43 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 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 assessment and testing platform developers?
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 assessment and testing platform developers did RevenueBase find based in London, United Kingdom?
The saved snapshot records 43 matching company records, 601 tracked contacts and 276 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 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
Assessment and testing platform developers by geography
- Assessment and testing platform developers based in Bangalore, India
- Assessment and testing platform developers based in Australia
- Assessment and testing platform developers based in Brazil
- Assessment and testing platform developers based in Canada
- Assessment and testing platform developers based in France
- Assessment and testing platform developers based in India
- Assessment and testing platform developers based in the Netherlands
- Assessment and testing platform developers based in Türkiye
- Assessment and testing platform developers based in the United Kingdom
- Assessment and testing platform developers based in the United States
Cite this list
RevenueBase Data Team. Top 17 assessment and testing platform developers based in London, United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/assessment-and-testing-platform-developers/united-kingdom/london.
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
- Assessment and testing platform developers based in Bangalore, India
- Assessment and testing platform developers based in Australia
- Assessment and testing platform developers based in Brazil
- Assessment and testing platform developers based in Canada
- Assessment and testing platform developers based in France
- Assessment and testing platform developers based in India
Company intelligence · public preview
Top 17 assessment and testing platform developers based in London, United Kingdom
RevenueBase records 43 matching company records for assessment and testing platform developers based in London, United Kingdom, with 601 tracked contacts and 276 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 17 assessment and testing platform developers based in London, 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 | Century Techcentury.tech HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 89 contacts → |
“CENTURY Tech is an award-winning AI education technology company focused on the learning, teaching and assessment space.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Synthesizedsynthesized.io HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 44 contacts → |
“AI-Ready Test Data Management for platform enterprise test/QA Synthesized provides continuous data availability for test automation & agentic AI workflows.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Accelerate Peopleaccelerate-people.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 43 contacts → |
“You deliver.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Doublestruckdoublestruck.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 37 contacts → |
“Doublestruck is a market leader in the educational world, offering hugely popular assessment software in Primary and Secondary schools.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | AQA Global Assessment Servicesaqaglobal.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 29 contacts → |
“AQA Global Assessment Services combines 120 years of assessment expertise and knowledge with skills from across the wider AQA group.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Wonders Of Mathseducai.io HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 28 contacts → |
“Building the classroom of the future We are building an all-encompassing platform for educators, which at its core has a proprietary Learning Profile assessment combined with a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | ZZISHzzish.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Zzish is a software company that builds AI data-driven educational software to give teachers superpowers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Neurosightneurosight.io HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Conventional online psychometric assessments are time consuming, often inaccurate, biased, and easy to cheat using tools like ChatGPT.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | EXAIMexaim.ai HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Exaim is exam preparation that actually improves grades.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cognitive Persona UK Limitedcognitivepersona.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Our vision is to ensure that human potential is discovered, developed and utilised to make people and organisations successful.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | quodit.ioquodit.io HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“We envision a world where anyone, anywhere can transform their life by accessing the world’s best data collection experience.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | accelerate.ioaccelerate.io HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Hiring skilled developers shouldn’t feel like guesswork.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | The English Quiztheenglishquiz.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“The English Quiz is a secure online language testing platform that assists companies in accurately and efficiently evaluating English language levels for recruitment and internal…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Youcap LTDyoucap.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Engage capability and content creators everywhere - YouCap helps you to create and deliver your exam anywhere, anytime, on any device.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Topscore Unseen Grouptopscoretech.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“TopScore provide assessment centre software, for virtual and face-to-face assessment centres & interviews.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | H2 Cognitive Designscognitron.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“H2 Cognitive Designs specialises in creating cognitive testing and remote clinical assessment products.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Intac Networkintac.network HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 17 of 43 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Assessment and testing platform developers: dataset insights
November 5, 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
43 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 across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 43 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 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 assessment and testing platform developers?
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 assessment and testing platform developers did RevenueBase find based in London, United Kingdom?
The saved snapshot records 43 matching company records, 601 tracked contacts and 276 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 17 assessment and testing platform developers based in London, United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/assessment-and-testing-platform-developers/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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