Certax Accountants will manage all your tax and accounting needs, so you can concentrate on your business. All your Accounting needs delivered in one simple affordable monthly payment. No hidden costs! Certax Accountants has over 45 years' of accountancy experience and has been in business for over 35 years. Certax Accounts of Southend work with business of all sizes and within all industries. We are dedicated to dealing with all tax issues swiftly and accurately so that you can concentrate on what really matters to your company.