Company lists · Data refreshed September 2026

Top 25 Software engineering consulting firms based in London, United Kingdom

Name: Software engineering consulting firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 1,580 companies tracked

RevenueBase identified 1,580 company matches for software engineering consulting firms associated with London, United Kingdom as of September 2026 and tracks 28,155 professional contacts across them, including 10,424 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for software engineering consulting firms 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 September 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 6, 2026 How this list was built

1,580Companies

28,155Contacts tracked

10,424Verified emails

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The 25 largest software engineering consulting firms based in London, United Kingdom

Ranked by team size

Top 25 of 1,580 company matches for software engineering consulting firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 6, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Endava	Exact match	London, United KingdomHQ recorded Sep 6, 2026	10001+	9,653 contacts →
	Exact match “For over two decades, we have been harnessing technology to drive meaningful change.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
2	Computer Futures	Exact match	London, United KingdomHQ recorded Sep 6, 2026	501-1,000	2,673 contacts →
	Exact match “Building tomorrow’s tech landscape together Computer Futures is a Technology specialist, part of SThree, the global STEM workforce consultancy.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3	Alten LTD - UK	Exact match	London, United KingdomHQ recorded Sep 6, 2026	10001+	529 contacts →
	Exact match “We are a leading Engineering and IT consultancy operating across all sectors in 30 different countries.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
4	SENLA	Exact match	London, United KingdomHQ recorded Sep 6, 2026	501-1,000	515 contacts →
	Exact match “In 2012, SENLA set out with a vision: to transform people's lives with exceptional software.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5	Sandhata Technologies	Exact match	London, United KingdomHQ recorded Sep 6, 2026	201-500	363 contacts →
	Exact match “We are a global niche consultancy specialising in services that span all facets of Digital transformation, DevOps, and System Integration.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
6	The Adaptavist Group	Exact match	London, United KingdomHQ recorded Sep 6, 2026	1,001-5,000	254 contacts →
	Exact match “We are experts at delivering innovative software, tailored solutions, and quality services across some of the world's most trusted technology ecosystems, including Atlassian, AWS…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
7	Parser	Exact match	London, United KingdomHQ recorded Sep 6, 2026	201-500	242 contacts →
	Exact match “At Parser we help organisations deliver impact through technology.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8	Flat Rock Technology	Exact match	London, United KingdomHQ recorded Sep 6, 2026	201-500	231 contacts →
	Exact match “Since 2008, Flat Rock Technology, a software engineering, SI, Cloud DevOps, Cyber Security, and Customer Experience (CX) company, has been at the forefront of providing innovative…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
9	Dreams Technologies, UK & India	Exact match	London, United KingdomHQ recorded Sep 6, 2026	201-500	221 contacts →
	Exact match “At Dreams Technologies, we’re more than software engineers, we’re digital transformation partners.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
10	Codurance	Exact match	London, United KingdomHQ recorded Sep 6, 2026	201-500	176 contacts →
	Exact match “For over 13 years, Codurance has helped businesses and their boards solve complex software challenges, often the ones that have resisted previous attempts and now carry real…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
11	YLD	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	166 contacts →
	Exact match “YLD is a software engineering, data engineering, and product design consultancy, specialising in customer experience and disruptive technologies.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
12	scrums.com	Exact match	London, United KingdomHQ recorded Sep 6, 2026	201-500	163 contacts →
	Exact match “Scrums.com is the Software Engineering Orchestration Platform (SEOP).” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
13	Digis, A Fiverr Company Nyse Fvrr	Exact match	London, United KingdomHQ recorded Sep 6, 2026	201-500	163 contacts →
	Exact match “Digis is a leading software development company with a team of over.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
14	Opinov8	Exact match	London, United KingdomHQ recorded Sep 6, 2026	201-500	154 contacts →
	Exact match “Winner of the Best AI Company Award by The Netty Awards · Headquartered in London, powered by a worldwide team of engineers across Europe, Egypt, and the Americas.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
15	Daemon	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	145 contacts →
	Exact match “Founded in 2007, Daemon is a technology consultancy with a mission to make the world a better place by creating movements that power digital transformation.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
16	Synycs Group	Exact match	London, United KingdomHQ recorded Sep 6, 2026	201-500	132 contacts →
	Exact match “Incorporated in 2014 and headquartered in the UK, Synycs Group is a CMMI Level 4 industry-leading & most reliable software and mobile app development company known for delivering…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
17	Opticoreit	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	120 contacts →
	Exact match “OpticoreIT is an IT Consultancy founded in 2013 to bridge a gap in the market between the major IT services providers and the consultancy market.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
18	Xynotech	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	96 contacts →
	Exact match “Xynotech is a provider of IT consulting and software development services that help companies overtake their competition.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
19	Honeycomb Software	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	95 contacts →
	Exact match “Honeycomb Software is a global software engineering company that helps startups, scale-ups, and enterprises bring digital products to market faster and smarter.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
20	OVYO	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	91 contacts →
	Exact match “Ovyo provides rapid access to specialist people and teams in software engineering, operations & delivery throughout the streaming/OTT/media, satellite/space and comms industries.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
21	JUXT	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	87 contacts →
	Exact match “JUXT joins forces with Grid Dynamics, JUXT is a cutting-edge software consultancy that delivers innovation to large enterprises and high-performing organisations.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
22	Craftsmen	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	85 contacts →
	Exact match “Craftsmen helps companies modernize products, engineering workflows, and digital operations for the AI era.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
23	Hybytes	Exact match	London, United KingdomHQ recorded Sep 6, 2026	201-500	79 contacts →
	Exact match “Hybytes is an offshore/domestic solution provider for IT and Management to business and industry.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
24	Principle ONE	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	78 contacts →
	Exact match “Principle One provides Systems Engineering, Architecture and Business Consulting services within the Law Enforcement, National Security, Health and wider public sector.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
25	Clurgo	Exact match	London, United KingdomHQ recorded Sep 6, 2026	51-200	76 contacts →
	Exact match “Clurgo empowers global enterprises and early ventures to deliver software at higher velocity and better quality.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “software engineering consulting firms”. 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 1,580 software engineering consulting firms based in London, United Kingdom

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Software engineering consulting firms based in London, United Kingdom at a glance

As of Sep 6, 2026

37.0%Verified-email coverage

17.8Average contacts per company

1-10Median size (employees)

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

961

11-50

411

51-200

144

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,580 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 “software engineering consulting firms” 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 10,424 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 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Software engineering consulting firms by metro in the United Kingdom

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 “software engineering consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many software engineering consulting firms are there based in London, United Kingdom?

RevenueBase identified 1,580 company matches for software engineering consulting firms associated with London, 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?

Endava 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 software engineering consulting firms?

London leads the United Kingdom with 1,580 company records, followed by Manchester (126) and Birmingham (71).

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 10,424 professional contacts with verified work emails tracked across these 1,580 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 6, 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.