Tennyson Securities has an experienced team of Sales, Research and Equity Capital Markets (ECM) professionals working seamlessly together to deliver positive outcomes for clients. Our sector focus on Energy, Media and Technology allows us to provide a differentiated service and has culminated in long standing relationships with corporate clients and investors. Collectively the team has raised over US$10bn of equity for its clients over two decades.
Sum of Gross deal size US$ m Sector: O&G, Mining or Other Year Energy Technology & Other Grand Total 2006 699 91 790 2007 304 109 413 2008 365 45 410 2009 921 205 1,125 2010 976 315 1,291 2011 1,000 177 1,177 2012 575 148 723 2013 261 93 354 2014 277 57 334 2015 578 132 710 2016 52 83 135 2017 251 77 327 2018 470 212 682 2019 308 44 352 2020 145 30 175 2021 363 111 474 2022 77 20 97 2023 181 15 196 2024 5 12 18 2025 45 191 236
Tennyson Securities has in-depth expertise in a wide range of technology verticals where corporates seek equity capital to drive innovation and growth. We provide comprehensive investment banking solutions to companies in cutting-edge verticals such as cybersecurity, Artificial Intelligence, cryptocurrencies, payments & social commerce. In every case, we work with clients that command a unique competitive edge within their space, often with an international footprint that creates a compelling investment proposition for UK-based investors.
We are committed to backing our clients throughout their journey as a public company, often travelling the entire lifecycle from early pre-IPO funding through to a US dual listing and/or trade exit. We seek to help deliver meaningful value creation for both founders and investors alike.

Tennyson Securities has a strong track record in the Energy sector and a long history of raising equity capital for clients. We work with companies across the energy space in traditional oil and gas, wind, solar, biofuels and other renewables. Our team is supported by a highly regarded research platform with specialist technical expertise, providing investors with differentiated, idea-driven insight across small and mid-cap energy companies.
We work closely with management teams to support their full public-market lifecycle, from early-stage funding and IPO through to follow-on capital raises and broader liquidity events. In every case, we partner with companies that possess high-quality assets and a clear investment proposition for UK and international investors, with the objective of delivering long-term value creation for both founders and shareholders alike.
