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Top Tech Companies in London (8,304)

Spectralink Corporation
Mobile • App development
3 Offices
258 Employees

Spectralink delivers secure, cost-effective mobile communication solutions that empower enterprises to streamline operations, increase their revenues and deliver a positive customer experience – each and every time. Since 1990, Spectralink has deployed millions of devices worldwide across the retail, healthcare, hospitality and manufacturing sectors – providing workers with the industry’s most efficient, in-building communications.

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Spectralink Corporation
Playful Promises
eCommerce • Fashion
London
30 Employees

Playful Promises is an award winning, fast growing e-comm business that has successfully developed a range of lingerie and swimwear for every occasion, body type and at a variety of price points. We pride ourselves on offering 90 bra sizes and UK dress size 8-26 (US dress size 4-22). We also work on a wholesale and concession basis with other...

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Playful Promises
DreamzTech Solutions
Information Technology • Consulting
5 Offices
211 Employees
25 Benefits

DreamzTech is a 12+ Yrs. Experienced Award-Winning Software Development Company based in USA (Tempe, Los Angeles, Dallas, New York, Las Vegas), UK (Watford), India (Kolkata, Pune) & South Africa (Johannesburg) helping 800+ Startups, SMBs to fortune 500 companies across the globe. We love to play the role of a tech partner in our client’s digital transformation journey. Leveraging the power...

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DreamzTech Solutions

DreamzTech Solutions's Top Stability & Growth Strengths

Strong Revenue Growth: Recent Inc. 5000 and regional rankings indicate sustained multi‑year revenue expansion for the U.S. arm. Additional third‑party growth accolades (e.g., TIME/Statista, Economic Times, Deloitte) support an ongoing growth trajectory.

Market Expansion: Opening a Las Vegas office alongside the Tempe base and operating delivery centers across India, the UK, South Africa, and Bahrain reflect geographic scaling. Visibility at CES and continued go‑to‑market activity point to broader commercial reach.

Innovation-Driven Growth: Launch of the AI app‑builder Best Brain and continued emphasis on AI, IoT, and cloud offerings demonstrate a capability push tied to growth. A portfolio that includes tools like DreamzCMMS signals investment in solution accelerators.

Hire Space
Events
London
48 Employees

As the UK’s leading venue booking platform, Hire Space is supercharging the events industry through transformational technology. We’ve built something that is used by over a million event bookers each year. We work with over 10,000 clients including The Guardian, Facebook, Time Out, BuzzFeed and Sky rely on our expertise and technology to help organise their events. We also work...

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Hire Space
Mach49
Consulting
4 Offices
212 Employees
31 Benefits

Mach49 was founded on the belief that, through venture building and investing, global businesses can solve the world’s most pressing problems. We offer these businesses a way to leverage their talent, assets and innovation to create a sustainable growth engine, fueled by a pipeline and portfolio of exciting new ventures. As the only business with a repeatable, scalable, teachable approach...

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Mach49
Compass Group
Professional Services • Security • Consulting
8 Offices
1,609 Employees

Compass Strategy Solutions, LLC is a woman-owned small business and management consulting firm specializing in federal government contracting. It focuses on law-enforcement contract acquisition and fulfillment, helping federal agencies address regulatory requirements and staffing needs. Its team provides insight into agency requirements and management practices for exceptional contract personnel, including work associated with the DOJ Asset Forfeiture Administrative Support Services...

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Compass Group
Publicis Groupe
AdTech • Marketing Tech
18 Offices
45,929 Employees
29 Benefits

As a platform at the intersection of marketing and digital business transformation, driven through the alchemy of creativity and technology, Publicis Groupe is built on The Power of One. Publicis Groupe offers its clients seamless access to the expertise of its 80,000 talents across four Solution hubs: creative with Publicis Communications (Publicis Worldwide, Saatchi & Saatchi, Leo Burnett, BBH, Marcel,...

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Publicis Groupe
symmetrical.ai
Fintech • Machine Learning • Software • Financial Services
London
57 Employees

A new, better way to run Payroll & People Ops. Symmetrical is the only solution designed for high-performance People Teams. Let your People Team focus only on the things that help your company grow faster. Leave payroll, people ops and compliance to us.

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symmetrical.ai
Betfair
Gaming • News + Entertainment
5 Offices
795 Employees

At Betfair, we play things our way. We’re always ready to explore. Always innovating. Always doing things differently. Always challenging the status quo. Whatever we do, we love doing it. Our business was born to create a fairer betting marketplace. One that disrupted an entire industry and put customers in control. Today, we’re the worlds biggest online betting exchange. We’re one of...

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Betfair
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Bondaval
Fintech • Financial Services
London
36 Employees

Bondaval is a fintech providing a better way to secure credit risk. Partnering with A-rated insurers, Bondaval offers a more secure, capital-efficient and cost-effective form of credit protection that can be issued, amended, renewed and claimed-on in real-time. https://techcrunch.com/2022/12/14/bondaval-series-a/

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Bondaval
Pikl Insurance
Fintech • Insurance • Financial Services
London
33 Employees

We're Insurance People. Pikl was founded by a small team of experienced Insurance professionals who also participated in the sharing economy (Airbnb, JustPark, etc.). They saw a huge gap in the market created by the lack of cover between Home Insurance and The Airbnb Guarantee

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Pikl Insurance
Transcard Payments, LLC
Fintech • Payments • Software • Financial Services
2 Offices
196 Employees

Transcard is a global payments platform providing embedded payment and payment orchestration solutions for banks, fintechs, and enterprise businesses. The company specializes in streamlining financial operations through digital disbursements, receivables, and account-to-account payments. Its proprietary platform integrates with ERPs and banks to reduce regulatory burdens and improve payment efficiency for organizations across industries such as healthcare, insurance, and transportation.

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Transcard Payments, LLC
RATP Group
Transportation
21 Offices
73,500 Employees

RATP Group is a French state-owned enterprise and one of the world's largest urban transport operators. It provides comprehensive urban mobility solutions, operating public transport systems including metro, bus, and tram networks primarily in Paris and the Îele-de-France region, while also expanding its international presence through its subsidiary, RATP Dev.

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RATP Group
Ruth Miskin Training
Edtech • Professional Services
London
160 Employees

Ruth Miskin Training provides outstanding literacy training to primary and secondary school teachers in the UK, US, Australia, and internationally. Their mission is to teach every child to read and write, and to keep them reading, regardless of background or need, using the Read Write Inc. programmes developed by Ruth Miskin.

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Ruth Miskin Training
Finmo
Fintech • Payments • Financial Services
London
119 Employees

Finally, one platform to manage your mission-critical treasury functions. Our mission is to simplify payments, automate mission-critical treasury functions, and empower businesses and consumers to transact with the most relevant methods that optimize speed, convenience, and cost. Finmo is built on the foundation of real-time payments rails and facilitates instant money transfers, accurate cash flow forecasting, optimized liquidity management, effective...

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Finmo
Incremental Group
Information Technology • Software
7 Offices
185 Employees
4 Benefits

Officially launched in 2016, Incremental is a Microsoft Inner Circle member, and one of the fastest-growing Dynamics and data partners in the UK. Customers include ICAS, Virgin Money, Repsol Sinopec, Inov-8, Shelter and the NHS. Incremental is dedicated to helping government, not for profit and industry organisations undergo digital transformation, step by step with Microsoft.In March 2022, Incremental was acquired...

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Incremental Group
Neuroute
Healthtech • Biotech
London
10 Employees

Copilot for clinical trials. Trained on over 700,000 clinical trials, patents and publications, neuroute Copilot turns natural language prompts into clinical development support to bring medications to patients sooner. Use Copilot to conduct market analysis, feasibility, design your clinical trial, select and review sites, find physician champions, generate documents (protocols, statistical analysis plans, SOPs), fix your enrollment, and more. Let...

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Neuroute
Lockheed Martin
Aerospace • Security • Cybersecurity • Industrial
31 Offices
108,588 Employees
48 Benefits

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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Lockheed Martin

Lockheed Martin's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent rankings place the company at No. 1 globally and it leads major air and missile defense portfolios such as Aegis BMD and PAC‑3, reinforcing competitive advantage. Broad adoption of the F‑35 and leadership across four large segments further underpin its position.

Resilient & Sustainable Growth: A record ~$193.6–$194B backlog provides multi‑year revenue visibility across segments. Multi‑year munitions frameworks and planned PAC‑3 production ramps point to sustained demand.

Strong Revenue Growth: Sales rose 6% in 2025 to $75.0B, with segments like Missiles & Fire Control and Aeronautics expanding and guidance indicating further top‑line growth in 2026. Record F‑35 deliveries and new missile/space milestones contribute to the outlook.

Protiviti
Business Intelligence • Consulting
3 Offices
39 Benefits

Protiviti (www.protiviti.com) is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the future. Protiviti and its independent and locally owned member firms provide clients with consulting and managed solutions in finance, technology, operations, data, digital, legal, HR, risk and internal audit through a network of more than...

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Protiviti

Protiviti's Top Stability & Growth Strengths

Strong Market Position & Advantage: In internal audit and risk/compliance, the firm is broadly regarded as a leader with high visibility and repeated third‑party recognition. Independent profiles and rankings consistently frame it as a specialist front‑runner in these niches even if smaller overall.

Strategic Partnerships: Recent alliances and recognitions in AI and related ecosystems expand solution reach in higher‑growth areas (e.g., AI‑enabled internal audit and controls). These moves indicate active investment to accelerate delivery across risk, governance, and tech‑enabled services.

Strong Hiring & Retention: Sustained placement on major “Best Companies to Work For” lists points to strong talent attraction and retention. This continuity supports consistent delivery on multi‑year internal audit and risk programs.

Elutions
Artificial Intelligence • Internet of Things • Automation
5 Offices
72 Employees
1 Benefits

Elutions is a global, US-based Artificial Intelligence company that empowers corporations to dynamically optimize activity across the value chain, transform performance and profitability and gain competitive advantage through its enterprise-level AI solution, Maestro. By autonomously identifying and implementing directives that enhance end-to-end efficiency, reliability, uptime, quality and yield, Maestro delivered more than $1B in client value across verticals such as...

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Elutions

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