Sleek helps businesses register companies and manage accounting, bookkeeping, payroll, tax, compliance, and financial administration online, with access to documents, filings, and expert support.

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Sleek is an online business formation and accounting platform designed to support UK startups, limited companies, sole traders, contractors, and e-commerce businesses. It provides company incorporation support, business compliance services, bookkeeping, payroll management, VAT assistance, tax returns, and specialist advisory services, including R&D tax credits and SEIS/EIS advance assurance. The platform offers digital access to company documents, filings, financial updates, and accounting information through a secure online system. Users can collaborate with a dedicated UK-based accountant, access real-time financial insights, and manage essential business administration in one place. Sleek also supports business banking referrals, company registration, accounting management, tax compliance, and ongoing financial support for businesses at different stages of growth.

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