
EMPOWERING BUSINESSES AND INDIVIDUALS
OUR COMMITMENT
Integrity & Transparency
We conduct every engagement with complete honesty, providing clear, candid communication on progress, costs, and potential risks. By maintaining open channels of dialogue and delivering straightforward reporting, we foster trustful, long-term relationships built on accountability.v
Excellence & Innovation
We set ambitious standards for quality in both our technical and financial offerings, continuously refining our processes and embracing emerging technologies. Through ongoing research, professional development, and a culture that rewards creativity, we deliver cutting-edge strategies that keep you ahead of the curve.

ABOUT THUNDERBOLT UNION LIMITED
Founded by industry veteran Garry Butt, Thunderbolt Union Limited (Company No. 15526259) reflects a passion for technological excellence and financial acumen. Garry Butt, as Director and Ultimate Beneficial Owner, brings decades of experience in managing complex IT environments and steering financial strategies to success.
Our team comprises seasoned professionals in IT facilities management, financial intermediation, and financial planning. We pride ourselves on a collaborative culture that encourages innovation, rigorous analysis, and an unwavering commitment to client satisfaction.
Operating from Tower 42 International Financial Centre, 25 Old Broad Street, London, EC2N 1HN, we are perfectly positioned to serve clients across the UK and internationally. Our premises in one of London’s most iconic skyscrapers reflect both our heritage and our forward-thinking ambition.
OUR SERVICES
Strategic Financial Advisory
Guiding clients through complex financial decisions, including capital allocation, investment appraisals, and long-term growth planning to maximise shareholder value.
Capital Raising & Structuring
Advising on equity and debt financing options, structuring bespoke funding packages for start-ups, SMEs, and large corporates, and negotiating favourable terms with investors and lending institutions.
Mergers & Acquisitions Support
Providing end-to-end M&A services, from target identification and due diligence to valuation analysis, deal negotiation, and post-merger integration to ensure seamless transactions.
Treasury & Cashflow Management
Optimising working capital, liquidity forecasting, and cashflow monitoring, alongside designing tailored treasury frameworks to reduce financial risk and enhance operational efficiency.
Risk Management & Compliance
Conducting comprehensive risk assessments, developing mitigation strategies, and ensuring regulatory compliance across financial reporting, anti-money laundering (AML), and corporate governance.
Financial Reporting & Analytics
Delivering accurate, timely management and statutory reporting, advanced financial modelling, and performance dashboards that enable data-driven decision-making.
CLIENT TESTIMONIALS
Sarah Thompson, CFO, BritTech Solutions Ltd
“Thunderbolt Union transformed our financial processes and gave us clarity on cashflow management. Their strategic insights have been invaluable.”
Michael Patel, CEO, GreenWave Industries
“The team’s M&A support was thorough and professional. From due diligence to final integration, their expertise made the transaction seamless.”
Emily Reed, Head of Risk, Oakridge Capital Partners.
“Their risk assessment framework identified critical vulnerabilities we hadn’t noticed. Thanks to their recommendations, our compliance posture is rock-solid.”
FREQUENTLY ASKED QUESTIONS
What industries do you serve?
Thunderbolt Union caters to a diverse range of sectors, including technology firms seeking robust IT infrastructure management, financial institutions requiring specialised intermediation services, and professional services organisations in need of comprehensive financial planning. We also collaborate with manufacturing, healthcare, and retail clients on an ad-hoc basis, leveraging our cross-industry expertise to tailor solutions that address specific operational challenges. Our flexible methodology allows us to scale services from start-ups with agile requirements to multinational enterprises with complex governance needs, ensuring each engagement delivers sector-appropriate best practices and measurable impact.
How can I request a proposal?
To initiate a proposal, simply complete our online contact form or email your project brief directly to our team. We’ll arrange an initial consultation within two business days to discuss your objectives and gather the necessary information. Following this meeting, we prepare a detailed proposal outlining scope, deliverables, timelines, and cost estimates, typically delivered within five business days of the consultation.
What pricing models do you offer?
Thunderbolt Union provides flexible pricing tailored to your needs. We offer project-based fees for one-off engagements, monthly retainer agreements for ongoing services, and performance-linked models for select advisory projects. Each proposal clearly defines the chosen model, payment terms, and milestones, ensuring complete transparency and alignment with your budgetary requirements.
