Leyton

Leyton

Global cost-optimization and R&D tax consulting

Overview

Leyton helps companies optimize costs by securing government incentives for research and development. In the US, it specializes in Federal and State R&D Tax Credits, while globally it combines tax experts with technical engineers to review projects, identify eligible expenses, prepare documentation, and maximize credits while supporting audits. It differentiates itself with the largest dedicated technical team for R&D tax claims and a long global presence dating back to 1997, supported by a large US workforce. Its goal is to improve client performance by unlocking value from incentives to fund innovation and business growth.

Significant Headcount Growth

About Leyton

Simplify's Rating
Why Leyton is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & Analytics

Consulting

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Issy-les-Moulineaux, France

Founded

1997

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Simplify's Take

What believers are saying

  • Leyton launched its AI credit-identification tool on July 26, 2026.
  • Updated 2026 UK and Ireland guides capture changing rules before rivals.
  • VensureHR gives Leyton immediate access to 161,000 employer clients and payroll workflows.

What critics are saying

  • HMRC’s six-month pre-notification rule cuts claims after September 30, 2026 for March-year clients.
  • IRS and HMRC rule churn shrinks eligible pools and increases audit scrutiny.
  • Big Four and software platforms can commoditize R&D-credit screening, compressing Leyton’s margins.

What makes Leyton unique

  • Leyton’s patent-pending AI model flags 250,000 R&D-credit prospects across sectors.
  • Its 3,000 specialists span 18-plus countries, pairing tax and technical expertise.
  • June 5, 2026 VensureHR partnership broadens Leyton’s cross-sell beyond tax incentives.

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Growth & Insights and Company News

Headcount

6 month growth

↑ 14%

1 year growth

↑ 14%

2 year growth

↑ 14%
Employee Benefits
Sep 4th, 2026
Leyton UK and Ryan among UK's Best Workplaces in Consulting and Professional Services 2026.

Leyton UK and Ryan among UK's Best Workplaces in Consulting and Professional Services 2026. Leyton UK, Leigh Day and Ryan have been named as some of Great Place to Work's UK's Best Workplaces in Consulting and Professional Services for 2026. The list is split into large and super large, and small and medium-sized organisations. To be considered, employers must meet Great Place to Work's minimum trust index threshold of 65%. Global tax services and software provider Ryan was recognised due to its commitment to building a workplace where team members are supported in achieving their personal and professional goals. Meanwhile, feedback from Leyton UK employees revealed they thought people at the global innovation funding consultancy genuinely care about doing a great job, and that staff are made to welcome from minute one, day one, with the sense of belonging continuing as they progress. Some of the other large and super-large organisations recognised included Accenture, Baringa and Gateley. Meanwhile, some of the small and medium organisations recognised included Compass Recruitment Solutions Group, Operational Research in Health and Venture. A Great Place to Work spokesperson said: "Employees responded to 60 survey questions, with 85% of the evaluation based on what employees say about their experiences of trust and reaching their full human potential as part of their organisation. The remaining 15% is based on an assessment of all employees' daily experiences of innovation, values, and the effectiveness of their leaders, to ensure a consistent employee experience across departments and seniority levels." Tom Shave, president of European and Asia-Pacific operations at Ryan, added: "Ryan continues to invest and innovate in ways that set us apart in the tax industry, but our greatest advantage will always be our people. We've built a talented team in the UK, and this recognition reflects the unique culture that enables our team members to grow their careers, pioneer new ideas, and deliver exceptional results." Brian Graham, managing director of Leyton UK, said: "To be recognised for the second year running is an achievement we are all incredibly proud of. But this recognition isn't about an award or a title, it's about our people. The way they support each other, challenge us to be better and bring energy and ambition to Leyton every day."

Leyton
Jun 5th, 2026
Leyton & VensureHR announce strategic partnership to deliver greater value to businesses across the U.S.

Leyton & VensureHR announce strategic partnership to deliver greater value to businesses across the U.S. * By Leyton USA * * Jun 05, 2026 * 3 Min. read Partnership combines Leyton's full suite of government incentives and tax savings incentives with VensureHR's industry-leading HR and employer services, offering clients an unmatched breadth of support. Boston, MA - June 5th, 2026 - Leyton, a global advisory firm specializing in helping businesses unlock government incentives and maximize tax savings, today announced a strategic partnership with VensureHR, a core division of Vensure Employer Solutions and a global leader in HR technology and workforce solutions. Together, the two companies will offer their clients access to a uniquely comprehensive range of financial and workforce solutions designed to fuel business growth. Leyton works with businesses of all sizes to identify and secure a wide array of government incentives and tax savings opportunities, spanning R&D tax credits, commercial real estate incentives, state and local tax strategies, cost segregation, grants, custom duties and more. By pairing Leyton's expertise across this full spectrum of incentive programs with VensureHR's comprehensive HR platform and deep knowledge of workforce management, the partnership creates a powerful combination that addresses both the financial and operational needs of today's businesses. VensureHR was selected as Leyton's partner for its leadership position in the employer services market, its commitment to exceptional customer experience, and its ability to collaborate closely through a professional, consultative sales approach. The partnership is built on a shared belief that businesses deserve more than a single-solution provider, and that together, Leyton and VensureHR can offer a breadth of services that is unmatched in their respective industries. "Leyton is proud to partner with VensureHR to enhance the overall experience for our clients", said Neil Deluca, Business Development Executive Manager at Leyton. "Together, we will help businesses identify government incentives and tax savings that allow them to reinvest in their people and their growth. We chose VensureHR because of their market leadership, outstanding customer experience, and the ability to work hand in hand with their professional sales team. Our combined breadth of services is truly unmatched in the industry." "Partnering with Leyton strengthens our ability to deliver even greater value to our clients by expanding the financial opportunities available to them alongside our comprehensive HR services," said Alex Campos, CEO of Vensure Employer Solutions. "By combining our workforce expertise with Leyton's deep capabilities in identifying government incentives and tax savings, we're empowering businesses to operate more efficiently, reinvest in their people, and accelerate sustainable growth. This collaboration reflects our shared commitment to providing a truly holistic solution that supports every aspect of our clients' success." The partnership is effective immediately. Leyton and VensureHR clients and prospects are encouraged to contact their respective representatives to learn more about the combined offerings available to them. About Leyton. Leyton is an international consulting firm that helps businesses unlock financial performance by simplifying access to government incentives. In the United States, Leyton specializes in optimizing Federal and R&D Tax Credits, State and Local Tax services, Commercial Real Estate incentives, Cost Segregation, Grants, and more. Enabling organizations to reinvest savings into innovation, growth, and long-term sustainability. Globally, Leyton supports more than 50,000 companies and public organizations through a team of 3,000 tax and technical specialists across 18+ countries. For more information, visit Leyton's website. About VensureHR. VensureHR is the direct employer services business unit of Vensure Employer Solutions, the largest privately held organization in the HR technology and services sector, delivering workforce solutions to businesses of all sizes. VensureHR supports every stage of business growth and the employee lifecycle, helping organizations streamline operations, reduce complexity, and accelerate growth. Its solutions span payroll, benefits, HR administration, compliance, risk management, HR/HCM technology, managed services, global business process outsourcing (BPO), and employer of record (EOR) services. Enhanced by AI-driven tools and data insights, Vensure enables smarter workforce decisions and scalable growth. Vensure and its family of companies serve over 161,000 businesses across all 50 states and more than 175 countries, processing over $153 billion in annual payroll. Visit vensure.com for more information. Press contacts. Vensure: [email protected] Leyton USA. Interested in the partnership? Contact us. Explore our latest insights

VC Magazin
Apr 17th, 2026
Corat Therapeutics secures $1.5M retrospective funding for COVID-19 antibody research

Corat Therapeutics, a Braunschweig-based biotech company, has received €1.35 million through Germany's R&D tax incentive scheme for its COVID-19 antibody development work. The funding was secured retrospectively with assistance from funding specialist LEYTON. The company developed COR-101, an antibody treatment against SARS-CoV-2, completing clinical trials with 45 patients within eleven months of the pandemic's outbreak. Operating with around ten employees and no in-house laboratories, Corat coordinates research through specialised partners. The company discovered the funding opportunity in August 2025. Germany's 'Forschungszulage' programme allows retrospective claims for up to four years and can be combined with other funding schemes. Corat plans to use the funding for follow-up projects, including antibodies and inhalation therapies for bacterial lung infections.

Leyton
Nov 25th, 2024
Leyton UK celebrated as HR Team of the Year finalist

Leyton UK's drive to improve the employee experience has been recognised at the Personnel Today Awards, where we were shortlisted as a finalist for "HR Team of the Year".

British Drilling Association
Feb 6th, 2024
Exclusive Member Benefit: Unlock Financial Incentives with Leyton's Tax Consultancy Services

The British Drilling Association (BDA) is excited to announce a valuable new partnership with Leyton, a premier International Tax Consultancy.

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