Kyohei Yamamoto

Finance and accounting for growing companies across the UK and Japan — FP&A, close and controls, cross-border VAT, and the finance systems that tie them together.

Based in the UK · Working across the UK and Japan · USCPA (all four sections passed)

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What I can help with

FP&A and budgeting — Budgets, forecasts and variance analysis; KPI design; cash-flow and LTV/CAC models.
Month-end and year-end close — Monthly and annual close, statutory accounts, internal controls.
Cross-border VAT and statutory accounts — UK and EU VAT, Companies House filings, Japanese corporate tax returns.
Due diligence and transaction readiness — Financial due diligence, pre-transaction clean-up, revenue recognition.
Finance systems and automation — Excel (VBA), Google Sheets, Python, n8n; NetSuite, SAP, Xero, QuickBooks, Sage 50, AutoEntry, Yayoi, MoneyForward Cloud, freee, Jobcan; Salesforce and HubSpot.
Japanese–English finance support — Working in both languages with management, auditors and authorities.

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Selected work

FP&A · Corporate planning

Planning the finance and corporate team ahead of an IPO

Situation: About three years before a planned IPO, a Japanese HR-tech startup needed a corporate structure, a people-cost budget and tighter financial control.

Result: ~£165K saved; operating margin 9.2%; +3 months of runway.

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Transaction readiness

Resolving a six-year balance-sheet discrepancy

Situation: A healthcare-tech company's books needed to be ready ahead of a corporate transaction.

Result: Discrepancy investigated and resolved; revenue recognition redesigned.

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Due diligence

Due diligence on 15+ startups

Situation: A venture-debt fund needed credit views on early-stage companies.

Result: Findings reported to the investment committee.

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Background at a glance

Experience across UK and Japanese entities, from early-stage startups to a venture-debt fund.

Freelance finance consultant (2024–present) · Trainee accountant at a London firm · Research specialist at a venture-debt fund · Finance lead at Tokyo startups.

Bilingual Japanese / English.

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My resume is shared on request.

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