Top Tech Companies in London (8,302)
Wolf & Badger is the B Corp marketplace to discover the best independent, ethical brands from around the globe. Founded in 2010 by Henry and George – the Graham brothers – Wolf & Badger is now home to over 2,000 of the world’s best fashion and design brands. Our mission is to introduce our stylish customers to limited-edition, sustainable and high-quality...
Forter is the leader in e-commerce fraud prevention, processing over $250 billion in online commerce transactions and protecting more than a billion consumers globally from credit card fraud, account takeover, identity theft and more. The company’s identity-based fraud prevention solution detects fraudulent activity in real-time, throughout all online consumer experiences. Forter’s integrated fraud prevention platform is powered by its rapidly growing...
Index Exchange is a global advertising supply-side platform enabling media owners to maximize the value of their content on any screen. As a trusted partner and ally, we connect leading experience makers with the world’s largest brands to ensure a quality experience for consumers. We’re a proud industry pioneer with over 20 years of experience accelerating the ad technology evolution....
Index Exchange's Top Stability & Growth Strengths
Strong Market Position & Advantage: Multiple Pixalate market-share reports rank Index Exchange No. 1 among SSPs on the U.S. open web across consecutive quarters, indicating consistent leadership in that segment. Industry recognition (e.g., Frost & Sullivan’s 2025 innovation recognition) reinforces its stature as a leading independent SSP.
Innovation-Driven Growth: Rapid adoption of Index Marketplaces and the launch of a Data Vendor Ecosystem point to expanding sell-side decisioning and data activation use cases. New capabilities such as Transparent Dynamic Take Rates and show-level reporting with Gracenote signal ongoing product innovation aligned to buyer and publisher needs.
Strategic Partnerships: New integrations and collaborations (e.g., with Samba TV, Dstillery, FreeWheel, Gracenote, Mozilla, Spectrum Reach) indicate deepening ecosystem ties across data and CTV. Case studies with publishers such as The Guardian and Freestar suggest partner outcomes tied to Index’s products.
Monocle is a global media brand covering international affairs, business, design, and culture, which also operates a network of retail shops and cafés.
SysGroup is a UK-based managed technology partner and managed IT services provider serving mid-market organisations. It runs and secures critical IT across infrastructure, cloud, cybersecurity and compliance, delivering broad outsourced services under one accountable team. Its mission is to future-proof UK organisations’ IT foundations through digital transformation and emerging technologies, with predominantly recurring revenue from long-term managed services contracts for...
A global collective of architects, designers, engineers, and planners building a better future. Named No. 1 on Architizer's 2024 list of "Best Architecture and Design Firms in the United States," an #Equality100 company by the Human Rights Campaign Foundation's Corporate Equality Index, and a Woman-forward Workplace finalist by Crain's New York Business in 2023
Skidmore, Owings & Merrill (SOM)'s Top Stability & Growth Strengths
Strong Brand Reputation: Industry accolades and top-tier rankings (including repeated No. 1 placements on design lists and CTBUH awards) underscore SOM’s prominence. Historic AIA Firm Awards and a portfolio of skyline-defining projects further reinforce durable brand leadership.
Market Expansion: New APAC bases and appointments (e.g., a Singapore workspace and a dedicated APAC business development lead) signal targeted geographic expansion. Regional recognition in Southern California and a marquee Singapore supertall indicate growing activity across key markets.
Innovation-Driven Growth: An integrated architecture-plus-structure model and sustained tall-building leadership point to innovation as a commercial differentiator. Recent CTBUH Awards of Excellence and high-profile complex commissions suggest technical innovation is translating into new work.
As a global leader in innovative wealth management, asset servicing and investment solutions, Northern Trust (Nasdaq: NTRS) is proud to guide the world’s most successful individuals, families and institutions by remaining true to our enduring principles of service, expertise and integrity. A globally recognized Fortune 500 Company in continuous operation since 1889, we’ve built a legacy of empowering clients to reach...
Northern Trust's Top Stability & Growth Strengths
Strong Market Position & Advantage: Scale in global asset servicing (roughly $18.6–$20.0 trillion AUC/A) and repeated leadership accolades in custody and U.S. private banking indicate a top‑tier competitive position. The franchise also competes directly with the largest providers even if it typically sits just behind the “big four” in overall custody scale.
Strong Revenue Growth: Recent results show double‑digit year‑over‑year increases in revenue and earnings, with Q2 2026 benefiting from higher fees and net interest income and management raising guidance. Multiple quarters of positive organic trust‑fee growth and expanding client assets (AUC/A and AUM up versus 2025) support momentum.
Diversified Revenue Streams: A fee‑driven mix across asset servicing/custody, wealth/private banking, and asset management underpins durability in varied market conditions. New institutional mandates, capital‑markets strength, and product/capability additions (e.g., ETFs and tokenized‑asset custody) broaden sources of growth.
At Markel, we believe in hard work, a zealous pursuit of excellence, and fairness in all our dealings. Markel Corporation (NYSE: MKL) is a global Fortune 500 company headquartered in Richmond, Virginia. We seek to be a leader in each of our pursuits, with insurance being our primary business. As a market leader for specialty insurance, reinsurance, and investment operations...
Markel's Top Stability & Growth Strengths
Strong Market Position & Advantage: Industry data places Markel among the top U.S. E&S writers, and platforms like State National (fronting) and Nephila (ILS) broaden access and relevance. A sharpened focus on wholesale E&S and programs underscores presence in core niches.
Investor Backing & Capital Strength: Financial strength ratings are affirmed at strong levels across agencies, supporting capacity for large and complex risks. Reported growth in shareholders’ equity further indicates resilience through market cycles.
Profitability: Insurance underwriting profit increased and the combined ratio improved in 2025, with additional improvement indicated in early 2026 on an adjusted basis. Adjusted operating income also rose alongside better underwriting performance.
Founded in 1990, The Berkeley Partnership is an independent management consultancy, specialising in business transformation. Based in London and New York, we work with renowned global organisations helping them to develop innovative strategies and drive impactful change. We take a different approach to consultancy, embedding ourselves within our clients' leadership teams, which enables us to bring fresh ideas and challenge...
In a world where knowing how to drive transformation is the key to success, Wavestone's mission is to inform and guide large companies and organizations in their most critical transformations, with the ambition of a positive outcome for all stakeholders. It's an ambition anchored in the firm's DNA and embodied in the signature “The Positive Way.” Wavestone draws on over 3,000...
White & Case is an international law firm serving companies, governments and financial institutions. It advises clients on complex cross-border transactions and disputes, combining on-the-ground experience, cross-border integration, and lawyers qualified in local, US, and English law. The firm develops tailored solutions for challenging domestic and multijurisdictional matters, helping clients pursue global ambitions with insight, judgment, and practical legal guidance.
Scrumconnect Consulting is a UK national SME and award-winning software development consultancy with more than 300 consultants across the UK. It works with public-sector clients to build impactful digital services that improve millions of lives, combining design, engineering, and AI expertise. The company emphasizes experienced consultants, collaboration, knowledge-sharing, problem-solving, and a culture focused on sustaining innovation for its customers.
CMC Markets is a leading global provider of online trading and investing, with a comprehensive retail, professional and institutional offering. Established in 1989, headquartered in London and listed on the London Stock Exchange, we have offices in Australia, China, Singapore, and across Europe. Over 1m traders and investors* worldwide have access to our proprietary platforms, native mobile trading apps, and...
AMFG is a leading provider of MES & workflow software for additive manufacturing. Our software solutions empower manufacturers to manage their additive manufacturing workflows and achieve streamlined, automated processes. With customers in 26 countries and across a range of industries, we specialise in enabling companies to successfully integrate AM into their wider manufacturing processes and scale their AM operations. Visit...
Our mission at Vanta is to be a layer of trust on top of cloud services, to secure the internet, increase trust in software companies, and keep consumer data safe. Think of us as your automated security and compliance expert.
Vanta's Top Stability & Growth Strengths
Strong Revenue Growth: Company communications and independent reporting describe surpassing $300M in ARR by late April 2026 with growth accelerating from prior periods. Customer count and net revenue retention trends are portrayed as rising, indicating expansion from both new logos and cross-sell.
Strong Market Position & Advantage: Multiple third-party recognitions (e.g., Forrester Wave Q2 2026 Leader, IDC MarketScape Leader, G2 Leader grids) and head-to-head positioning against primary rivals frame the company as a category leader in automated compliance/GRC. Scale by ARR and customer adoption is repeatedly cited as among the largest in the space.
Investor Backing & Capital Strength: Successive financing rounds in 2024 and 2025 at increasing valuations and sizable capital raises are reported, signaling continued investor confidence. These milestones coincide with disclosed growth in ARR and customer base.
Torq Commodities is a global trading group specializing in the supply chain management and ethical sourcing of agricultural products, natural resources, and hard commodities.
Welcome to Geotab, the #1 commercial telematics company in the world. Geotab is a place where passion, creativity and innovation align. We are committed to advancing technology, empowering businesses and making the roads safer for everyone. Geotab is the world’s leading connected vehicle company for fleets, providing open platform fleet management solutions to businesses of all sizes. Geotab’s intuitive, full-featured solutions...
GEOTAB's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent rankings repeatedly place the company at the top of global commercial telematics, and reported milestones indicate one of the largest installed bases by subscriptions. Public‑sector wins and security certifications further reinforce leadership in complex, compliance‑driven environments.
Market Expansion: Subscription milestones (5M+ globally and 1M in EMEA) and noted momentum in Latin America indicate continued scale‑up across regions. The acquisition of Verizon Connect’s international commercial operations broadens presence in Europe and Australia and deepens reach into SMB segments.
Innovation-Driven Growth: Analyst commentary and company disclosures highlight a deep platform with broad OEM and partner integrations. A steady cadence of new hardware and AI features (e.g., next‑gen GO devices, video telematics, and a GenAI assistant) supports ongoing product‑led growth.
G-Research is a leading quantitative research and technology firm, with offices in London and Dallas. We hire the brightest minds in the world to tackle some of the biggest questions in finance. We pair this expertise with machine learning, big data, and some of the most advanced technology available to predict movements in financial markets. We take pride in our dynamic, flexible...
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Kepler provides digital and database services to Fortune 500 clients in the financial services, retail, healthcare and other industries. Our core services revolve around helping clients use data to power more dynamic and personalized marketing - including programmatic media services, CRM strategy, and management and marketing systems integration. Utilizing our proprietary Kepler Intelligence Platform™, we actively manage client programs in...
Kepler Group's Top Stability & Growth Strengths
Strategic Partnerships: Platform credentials and partner designations are positioned as proof of sustained expertise, including Amazon Ads Advanced Partner status, Amazon Marketing Cloud certification, and Meta Business Partner for Measurement. Expanded partnerships across commerce and social platforms are also highlighted as enabling broader activation and measurement capabilities.
Market Expansion: The operating footprint is described as expanding over time, with references to growth from a smaller multi-office presence in 2020 to roughly 600+ people across about 10–11 offices. Acquisitions and integration steps (e.g., Infectious Media and Napkyn) are presented as drivers of broader regional reach and serviceability for multinational advertisers.
Leadership Stability: A clear global leadership structure is emphasized through a Global CEO transition in late 2025 and additional executive promotions in early 2026. These moves are framed as reinforcing continuity and scaling readiness rather than signaling disruption.
