About FirmBooks

The invisible back office
for UK accountants.

FirmBooks was founded in 2026 by Dhanushan Mahendran to give small UK accounting practices the overflow capacity of a big firm — without the cost, the contract, or the loss of brand. 100% UK-based operation, UK-trained accountants, work to UK accounting practice standards. Never offshore.

100% UK-based. Built for UK practices.

FirmBooks is a 100% UK-based white-label accounting service — UK-managed, UK-staffed and quality-controlled in the United Kingdom. Our UK-trained accountants are ACCA-familiar, background-checked, and work to UK accounting practice standards: UK VAT rules, Companies House requirements and HMRC filing. The operation is in the UK, not offshore. Every job is reviewed by a senior accountant before delivery and returned ready to send under your firm's branding.

We focus on VAT returns, monthly bookkeeping, year-end accounts for sole traders and small limited companies, and MTD for VAT submissions. We do not currently offer payroll, personal tax returns or audit.

Dhanushan Mahendran

Dhanushan founded FirmBooks in 2026 after watching small UK practices turn away good clients because they couldn't absorb the overflow. The model is simple: pay per job, no contract, white-labelled to your firm, with 10% of every pound of profit committed to Palmera.

FirmBooks on LinkedIn →

The fast facts.

Founded

2026, United Kingdom.

Where we operate

100% UK-based. UK-trained accountants, UK accounting standards — never offshore.

Customers

UK accounting practices, sole practitioners and small-to-mid firms.

Services

VAT returns, bookkeeping, year-end accounts, MTD submissions.

Turnaround

VAT returns in 48 hours. Job confirmation in 2 hours.

Pricing

Pay per job. No contract, no retainer, no minimum volume.

Giving

10% of profits donated quarterly to Palmera.

Book a meeting.

Book a free, no-pressure call with a UK account manager. We’ll talk through your firm and explain how FirmBooks works.

Book meeting