Top Tech Companies in London (8,304)
B2E Consulting is a ground breaking and innovative consulting company that is "breaking the mould" in the consulting industry. We help businesses to deliver their transformation and change programmes efficiently and cost effectively. Often described as the ‘uber’ of Consulting, our ‘gig economy’ business model allows our clients to access over 20,000 high calibre consultants whilst achieving significant cost savings. What services...
Forget what you think you know about professional services. We go beyond what’s expected and help others do the same. Grant Thornton is the U.S. member firm of Grant Thornton International Ltd, one of the world’s leading independent audit, tax and advisory firms. That means our network has more than 60,000 professionals in more than 135 countries who are ready to...
Grant Thornton LLP (US)'s Top Stability & Growth Strengths
Investor Backing & Capital Strength: A growth-oriented private equity investment from New Mountain Capital (with minority investments from CDPQ and OA Private Capital) in 2024 supplied an “investment war chest” to accelerate technology, AI-enabled services, talent acquisition, and strategic expansion. This capital base also underpins the multinational platform strategy and the announced CBIZ deal.
Market Expansion: Grant Thornton Advisors announced a $5.0 billion acquisition of CBIZ that, upon closing, would lift the U.S. platform past $5 billion in domestic revenue and expand brand reach. The Advisors arm also combined with Grant Thornton Ireland in 2025 and has since grown its European footprint, signaling inorganic and international momentum.
Strong Market Position & Advantage: The firm is consistently ranked among the top U.S. accounting and professional services firms, operates across numerous U.S. offices, and is a premier leader for the mid‑market and private‑equity segments. Its inclusion among the small set of firms subject to annual PCAOB inspection underscores national scale and capital‑markets relevance.
Emarsys, An SAP Company, is the omnichannel customer engagement platform, which empowers marketers to build, launch, and scale personalized cross-channel campaigns that drive business outcomes. By rapidly aligning desired business results with proven omnichannel customer engagement strategies — crowdsourced from leading brands across your industry — our platform enables you to accelerate time to value, deliver superior 1:1 experiences and...
Founded in 2017, Mattereum has the tools to make physical goods flow around the world as easily as information using Ethereum blockchain smart contracts. We help people to sell, organise, and communicate about their property with confidence. Strong product knowledge ensures everyone derives maximum value from objects they buy, sell, and own
At Up Learn we use cognitive science and AI to ensure every student can achieve an A* regardless of their background: when you complete one of our courses, we guarantee you'll achieve an A*/A grade, or your money back. Since launching in 2016 we’ve achieved 97% A*/A success rate (with some students starting from grades as low as Ds and even...
From the beginning, Lighthouse has pushed the boundaries of what is possible to achieve and deliver with data. Our three founders launched Lighthouse in 2012 with a mission to help the hospitality industry visualize and leverage its data. What started as unique idea that originated during a trip to the London Olympics amongst friends has quickly grown into a global...
Lighthouse (formerly OTA Insight)'s Top Stability & Growth Strengths
Strong Market Position & Advantage: The company is positioned as a category leader in hotel market intelligence, rate shopping/parity, and business intelligence, reinforced by repeated industry accolades and broad platform adoption. Its large-scale data coverage and processing volume support defensibility in its core segments.
Investor Backing & Capital Strength: A large Series C growth investment is positioned to fund continued product innovation, acquisitions, and global expansion, indicating significant capital support. Prior funding rounds and ongoing investor participation further signal financial capacity to keep investing through market cycles.
Innovation-Driven Growth: Ongoing AI-powered product launches and expansion into adjacent workflows (e.g., channel management, direct-booking personalization) indicate active innovation tied to commercial platform broadening. The rebrand is framed as a move to unify products and acquisitions into a single platform to accelerate cross-sell and capability expansion.
Tevva is pioneering zero-emission transport with revolutionary battery-electric and hydrogen fuel-cell range extender technology. Tevva trucks optimise range, driver experience, and total ownership cost while significantly reducing the environmental impact from the urban freight and logistics sectors. Tevva trucks are as cost-effective and operationally flexible as diesel trucks. A Tevva truck has at least 1,000 fewer moving parts than a traditional...
Today’s financial infrastructure is archaic, expensive, inefficient and risky - supporting a system that leaves out more people than it lets in. So we’re rebuilding it.
Synova is recognised across the industry as one of Europe’s most innovative growth investors, generating market-leading returns from investing in companies typically valued at between £20m and £250m. Synova is investing capital across the full mid-market spectrum from its £875m fifth fund, raised in 2022, which includes a dedicated £250m pool of capital, #Chrysalis, to support smaller growth companies. We...
SatVu was founded in 2016 with the aim to fill the void in high resolution thermal data from space. It has, since then, turned into a high-growth space tech company poised to help the globe address its sustainability challenges through high-resolution thermal imaging. We are on a quest to ensure any structure on the planet is energy efficient and support...
Emergent Entertainment creates unparalleled entertainment experiences that spark the imagination of audiences through artistic excellence and the latest technological innovation. We are passionate about the creative opportunities offered by ground breaking technological innovation. We believe that developing games and other forms of entertainment on latest technology will enable new forms of creative expression and unite creators and audiences. With an incredibly experienced...
We connect brands and their customers at the moment of unboxing to create the personalised experiences that every customer wants. Via our revolutionary new marketing channel, digital meets analogue to make memorable moments that build loyalty
Tulipshare is an activist investor and shareholder advocacy group on a mission to help investors push for stronger environmental and social commitments, using corporate governance to create a positive impact and ensure the companies we invest our money in are being responsibly managed by accountable leadership
TESLASUIT and TESLAGLOVE form a human-to-digital interface. Our products enable direct communication between human body and computer. Our three integrated systems include haptics, motion capture, and biometry to provide realistic immersion and accelerate mastery. TESLASUIT is used in virtual and augmented reality industry as an interface between human and virtual environments. Teslasuit, a smart textile two-piece full bodysuit that consists of...
The brand is one of the most valuable assets of any business. Many entrepreneurs don’t know how to protect it with a trademark. Navigating the waters of Trademark and IP Laws is tough. Long meetings with lawyers. Non-transparent pricing. And no guarantees that the trademark won’t be rejected. All of this, for Europe, the US, UK, and Asia. Different lawyers...
HealthyHealth is now Qumata. We are building a new Standard for Life and Health Insurance Underwriting. We use digital data to calculate the risk of diagnosis for over 800 conditions, along with Extra Mortalities and Morbidities, saving applicants hours filling out long questionnaires or visiting the doctor. Find out more via www.qumata.com
Materials Nexus is a deep-tech start-up on a mission to discover new materials that significantly reduce the environment, economical and social cost of items critical to our lives. Our ground-breaking AI-enabled software transforms the way new materials are discovered and designed. Using rapid automated processes and advanced quantum calculations we work with partners to reduce global CO2e emissions and accelerate...
Brook Green Solutions Limited (trading as Brook Green Supply) is a UK-based provider of sustainable energy solutions. The company specializes in optimizing energy contracts for commercial and industrial sectors, offering tailored electricity and gas supply solutions, renewable energy certificates, and decarbonization services to help businesses minimize costs, enhance operational efficiency, and transition to a decarbonized future.
MBO Partners is a deep jobs platform that connects and enables independent professionals and microbusiness owners to do business safely and effectively with enterprise organizations. Its unmatched experience and industry leadership enable it to operate on the forefront of the independent economy and consistently advance the next way of working. To learn more, visit www.mbopartners.com. To learn about MBO UK, visit...
We’ve been helping clients reach their financial goals for over 40 years by providing a tailored approach to investment management. We’re a different kind of investment firm than most in our industry and work for a bigger purpose: bettering the investment universe.
Fisher Investments's Top Stability & Growth Strengths
Strong Market Position & Advantage: Scale and visibility are emphasized by managing about $441B AUM and serving 210,000+ clients as of 6/30/2026, with a prominent marketing engine and awards presence supporting recognition. Feedback suggests the firm is among the largest independent, fee-only RIAs with particular strength in private‑client wealth.
Investor Backing & Capital Strength: External capital from Advent International and the Abu Dhabi Investment Authority via a multibillion‑dollar minority stake (valued around $12.75B) signals confidence and provides resources for further expansion. Disclosures note the firm remains privately controlled while benefiting from this added capital base.
Market Expansion: Geographic buildout is evidenced by added U.S. office presence and the purchase of four Dallas‑area buildings in February 2025, alongside a larger Tampa hub. Footprint growth is paired with active hiring and a workforce of 7,000+ as of 6/30/2026.

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