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Top Tech Companies in London (7,385)

RSM US LLP
Legal Tech • Other • Professional Services • Real Estate • Business Intelligence • Consulting • Financial Services
26 Offices
19,318 Employees
40 Benefits Hiring Now
Experience the power of being understood.

RSM is the leading provider of audit, tax and consulting services to the middle market. With over 11,000 employees across the U.S. and Canada and a global presence in 120 countries, our purpose is to deliver the power of being understood to our clients, colleagues and communities. As first-choice advisors, we are focused on developing leading professionals and innovative services...

RSM US LLP

RSM US LLP's Top Stability & Growth Strengths

Strategic Partnerships: The transatlantic partnership effective January 1, 2026 unites RSM US with the UK, Canada and Ireland (with integrated teams in India and El Salvador), forming an approximately $5B, ~23,000‑professional platform aimed at accelerating growth. Subsequent steps—such as an agreement in principle for RSM Mexico to join in June 2026—further expand the combined footprint.

Innovation-Driven Growth: A $1 billion, multi‑year AI and digital investment announced in 2025—and reiterated in 2026 materials—positions the firm to enhance productivity and build new tech‑enabled solutions. Leadership appointments in 2026 to scale digital and managed services align operating capacity to this program.

Strong Market Position & Advantage: The firm is ranked No. 5 in the U.S. and is widely recognized as a leading middle‑market provider, signaling national‑scale reach and brand strength. Headcount expansion indicators through mid‑2026 and a broadened cross‑border platform support durable competitiveness.

Introhive
Software
3 Offices
222 Employees
27 Benefits

Introhive is a leading Relationship Intelligence Platform that helps firms overcome data silos and unlock actionable relationship insights that drive collaboration and growth. With Introhive’s relationship intelligence, firms can identify key relationships within the firm, measure the strength of client and prospect relationships, foster cross-firm collaboration, uncover risks or opportunities by understanding the health of relationships over time, and leverage...

Introhive
Bank of Ireland
Fintech • Financial Services
7 Offices
10,000 Employees
12 Benefits

Welcome to Bank of Ireland on LinkedIn. We're here to keep you up to date on our latest news and to provide useful information and guidance to support your financial needs. A leading Irish bank, we offer a wide range of financial products including savings, loans, mortgages and deposit accounts.

Bank of Ireland

Bank of Ireland's Top Stability & Growth Strengths

Profitability: Results indicate strong and sustained profitability with high returns on tangible equity and robust pre‑tax earnings, supported by ongoing organic capital generation. Management maintains targets to further improve returns through 2027–2028.

Strong Market Position & Advantage: The bank is a co‑leader in the Irish market and holds top share in new mortgages with broad strength across retail, SME, and wealth segments. Consolidation and recognition as a country‑level best bank reinforce durable competitive positioning.

Resilient & Sustainable Growth: Recent disclosures show expanding loans, deposits, and wealth assets alongside multi‑year guidance for rising total income and lending. A positive macro outlook and quantified growth targets through 2028 underpin continuity of expansion.

Ancestry
Artificial Intelligence • Big Data • Information Technology • Other • Software • Database • Biotech
9 Offices
1,300 Employees
40 Benefits
Ancestry is the global leader in family history and consumer genomics.

Ancestry is the global leader in family history and consumer genomics. Every day, around the world, we help curious people like you embark on journeys of personal discovery to enrich lives. With our unparalleled collection of more than 40 billion records from more than 80 countries and 23+ million people in our growing DNA network, Ancestry helps customers discover their family...

Ancestry

Ancestry's Top Stability & Growth Strengths

Strong Market Position & Advantage: Company communications and industry coverage consistently depict Ancestry as the category leader, citing tens of billions of records, millions of subscribers, and the world’s largest consumer DNA network. Blackstone’s 2020 acquisition and a weakened rival landscape (e.g., 23andMe’s 2025 bankruptcy) reinforce its durable leadership.

Product Line Growth: Content and features expanded with 243 new historical collections in 2025, the largest-ever ethnicity update, and the iMemories acquisition adding media digitization. AI-enabled processing accelerates turning archives into searchable data, signaling ongoing product and data-scale growth.

Market Expansion: The company launched services in Italy and the Netherlands in 2025 and reported strong subscriber scale alongside rising community uploads. A multiyear partnership with the U.S. National Archives supports continued content expansion that benefits multiple markets.

Coinrule
Blockchain • Fintech • Cryptocurrency
London
17 Employees

Coinrule lets you automate your investments across multiple platforms to protect your funds and catch the next great market opportunity - algorithmic trading without having to learn a single line of code. Join Coinrule Affiliate Program! Get 25% From New Subscriptions: https://coinrule.firstpromoter.com/

Coinrule
Songkick
Digital Media • Social Media
London
48 Employees

Songkick is the great live music startup. Since 2007, we’ve set about making it as easy, fun and fair as possible for you to see your favorite artists live. Right now, more than 15 million music fans across the globe use Songkick to track their favorite artists, discover awesome concerts and never ever miss out. With over 6 million event...

Songkick
Camunda
Artificial Intelligence • Information Technology • Software • Automation
4 Offices
571 Employees
24 Benefits Hiring Now

Camunda enables organizations to orchestrate and automate processes across people, systems, and devices to continuously overcome complexity, increase efficiency, and fully operationalize AI. Built for business and IT, Camunda’s leading orchestration and automation platform executes any process at the required speed and scale to remain competitive without compromising security, governance, or innovation. Over 700 companies across all industries, including Atlassian,...

Camunda
iomart
Information Technology • Consulting
3 Offices
429 Employees

iomart is a cloud computing and IT managed services business providing secure hybrid cloud, network connectivity, data management, and digital workplace capability. Our mission is simple: to make your business unstoppable by enabling you to connect, secure and scale anywhere, anytime

iomart
Armalytix
Fintech • Professional Services • Financial Services
London
17 Employees

Armalytix is a data intelligence firm that allows consumers to safely share Open Banking and other data to deliver financial insights to firms, helping those firms conduct simple, fast and effective financial crime and social responsibility checks, seamlessly integrated into existing workflows. There is a better way. Find out more on [email protected].

Armalytix
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Vitality
Insurance • Financial Services
4 Offices
1,990 Employees
4 Benefits

We’re here to help you live a longer, healthier and more financially secure life. Our positively different health insurance, life insurance and investments reward you for being healthy. By incentivising you to take a more active role in managing your own wellness, you can develop positive long-term lifestyle and financial habits that are good for you, good for us and good for...

Vitality
VFX Financial
Fintech • Payments • Financial Services
2 Offices
55 Employees

We are VFX Financial, specialists with deep expertise in foreign exchange solutions for both global corporations, funds and individuals. Our services cater to a diverse clientele spanning over 20 countries. With a profound understanding of the foreign exchange landscape and cutting-edge technology, we navigate complex challenges seamlessly, offering dynamic solutions across crucial areas such as FX risk management, international payments,...

VFX Financial
Submission Technology
AdTech • Marketing Tech
Maidstone
36 Employees

In 2003, Submission Technology revolutionised the UK’s digital marketing landscape by launching the nation's first cashback site, setting a new standard in performance-based marketing. Since then, we’ve been at the forefront of the industry, forging long-term partnerships with some of the UK’s most recognisable brands. We proudly own and operate some of the UK’s most popular consumer websites, including Cashback.co.uk, OhMyDosh.co.uk,...

Submission Technology
Conjura
eCommerce • Database • Analytics
2 Offices
41 Employees

Founded in 2018, the Conjura Platform accelerates e-commerce performance for consumer brands. Conjura's customers can connect, action and benchmark their data with one powerful platform. Conjura empowers data-driven decision making with intuitive dashboards and actionable insights for e-commerce businesses.

Conjura
E-Nano
Artificial Intelligence • Robotics • Agriculture • Automation
London
6 Employees

E-Nano is combining cutting-edge robotics and AI to enhance professional sports playing surfaces. Through automated analysis and real-time data-driven recommendations, we reduce costs, resource-use, and player injury whilst improving sustainability and performance.

E-Nano
Tangle Teezer
London
110 Employees

Tangle Teezer aren’t just a hairbrush brand, they’re a revolution in your haircare routine. Born from a spark of innovation in the mind of Shaun Pulfrey, our maverick of a founder. Tangle Teezer’s award-winning brushes are all about transforming how you treat your hair. Holding a cult status with customers, influencers, celebrities, and professional stylists in over 75 countries, they’ve...

Tangle Teezer
iSmash
Retail
London
140 Employees

Here at iSmash we believe that when people need help with their technology they should be able to find somewhere that's convenient, quick and provides the highest quality and friendly service at a price that doesn't cause the same worry as a broken phone. We are the trusted chain of repair centres for smartphones, tablets and computers. We distinguish ourselves...

iSmash
Vention
Fintech • Healthtech • Information Technology • Internet of Things • Mobile • Software • Consulting
15 Offices
3,000 Employees
11 Benefits

Vention is the premier global leader in software engineering, synonymous with technology designed for scale and the common denominator behind the world’s most successful tech-empowered enterprises, industry innovators, and startups. Headquartered in New York with 20+ offices, Vention provides access to 3,000+ engineers worldwide and equips technology leaders with the top engineering talent from the world’s most respected tech hubs....

Vention

Vention's Top Stability & Growth Strengths

Strong Revenue Growth: Repeated placements on Inc. 5000/Regionals and the Financial Times Americas’ Fastest‑Growing Companies indicate multi‑year expansion. Company communications around the 2023 rebrand also cited strong three‑year revenue growth.

Strategic Partnerships: Long‑standing ties with AWS, Google Cloud, and Microsoft, reflected in marketplace listings and credentials, support delivery at scale across onshore/nearshore hubs. These ecosystem relationships align with traits commonly seen in leaders in this space.

Strong Market Position & Advantage: IAOP’s Global Outsourcing 100 “Leader” recognition and prominent placement on platforms like Clutch and Gartner Peer Insights signal top‑tier positioning in custom development and nearshore team models. Category context emphasizes strength in AI‑enabled product engineering and dedicated/nearshore delivery.

Protean Electric
Industrial • Manufacturing
Waverley
90 Employees

Protean Electric is an automotive technology firm. We are over 150 talented people based across the US, UK and China. Our mission is to drive sustainable transport through innovation. Born out of a business focused on motor development for over five decades, we were founded in 2008 to focus on our first product, the ProteanDrive in-wheel motor. Today we are...

Protean Electric
Adzact
Information Technology • Software • Consulting
London
21 Employees

We’ve built the world’s first purpose-built B2B Ad Platform. We have by far the most nuanced and unusual data on every business in the economy. This allows our customers to leapfrog other un-targeted Display Ad technologies. We believe B2B Ad spend growth will continue, and we’re here to support B2B Marketers with the explosion of creativity and ambition that will...

Adzact
MarcoPolo Learning
Edtech • Software
3 Offices
54 Employees
5 Benefits

MarcoPolo Learning is an award-winning developer of instructional support, rich video and print resources, and technology for use in early childhood schools and homes. MarcoPolo for Educators provides a unique learning pathway for teachers that elevates classroom quality and engages families.

MarcoPolo Learning

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