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Zyntra OS by Double Support

Invoicing software for companies in the US

In Zyntra OS a quote your customer accepts from a link becomes the invoice, the invoice its payment, and every one of them reaches the books by itself. For a company in the United States, Zyntra OS prices each line with its state and local sales tax through AvaTax, and keeps the books in dollars.

Ask for a demoSee the Invoice package

Zyntra OS, national e-invoicing for a sample company

More than printing an invoice

An invoice is the end of a sale and the start of a payment. A program that only prints it leaves the quote in an e-mail, the payment in the bank and the balance in a spreadsheet. In Zyntra OS the quote, the invoice, the credit note, the payment and the customer statement are one record, and a package counts its users only — as many invoices, customers and items as your work needs.

For a company in the US

Banks through Plaid

Your bank accounts read through Plaid, their transactions reaching Accounting › Banking to be matched.

Shipping and calls

Labels and rates with FedEx, DHL Express, Shippo or EasyPost; calls and text messages through Twilio or RingCentral.

Call center teams

English-speaking agents with an American accent on calls, chat and email, from Amman, for companies in the United States.

What Zyntra OS covers

The parts below are already in Zyntra OS; you switch on the ones you use.

What you run in Zyntra OS

What it looks like in Zyntra OS, the business system Double Support makes in Amman.

Quotes to invoices

Proposals accepted online, sales orders, recurring invoices and contracts.

Sales & CRM

Invoices in Arabic

Arabic PDFs, right to left, with the total in Arabic words — or in English.

Arabic invoices

The books

Every invoice and payment in the accounts, with cheques, banks and tax returns.

Accounting & Finance

A free invoice maker

Make a single invoice with its tax worked out, free, on our site.

Free invoice maker

Sales tax by AvaTax

Each address checked by AvaTax, and each line of a sales order, an invoice or a credit note priced with its state, county, city and district tax; the invoice is recorded with AvaTax when it is issued and voided there when it is cancelled.

Avalara AvaTax integration

Payments: Stripe, Authorize.net, PayPal and Klarna

Your customer pays an invoice online by card through Stripe, Authorize.net, Braintree or 2Checkout, with PayPal, or later with Klarna.

Stripe integration

Questions from companies in the US

Is there a limit on invoices?

No. A package counts its users only; you add as many invoices, customers and items as your work needs.

Can a customer accept a quote online?

Yes. The customer opens the proposal from a link and accepts it, and it goes on to the sales order and the invoice.

Does Double Support work with companies in the United States?

Yes. Double Support has an office in St. Petersburg, Florida, and clients in the United States. It makes Zyntra OS, its business system, and runs English-speaking call center teams for US companies.

Does Zyntra OS work out US sales tax?

Yes, through Avalara AvaTax with your own AvaTax account: each line is priced with its state, county, city and district tax, the issued invoice is recorded with AvaTax, and a cancelled one is voided there.

More pages to read

ERP system in the USSales, accounting, stock, projects, HR and payroll in one system. Accounting software in the USA chart of accounts, cheques, banks, closed periods and tax, in Arabic and English. HR and payroll software in the USAttendance, shifts, leave, payroll with tax and contributions, and payslips. POS and cashier system in the USTills, shifts, a counted cash drawer, returns, and every sale an invoice. Clinic management software in the USPatient files, visits from appointments, prescriptions and insurance claims. Dental clinic software in the USThe tooth chart, treatment plans, x-rays, lab orders, recall and insurance. School management system in the USAdmissions, fees in installments, attendance, marks, report cards and a parent portal. Hotel management system in the USThe room calendar, stays and bills, housekeeping, rates and your own booking site. Real estate software in the USListings for sale and rent, leases that invoice themselves and owner statements. Law office software in the USCases, hearings, legal deadlines, powers of attorney, time and invoices. Car workshop software in the USA signed check-in, estimates approved line by line, a stage board and insurance claims. Invoicing software in JordanQuotes, invoices, credit notes and payments, in Arabic and English. Invoicing software in Saudi ArabiaQuotes, invoices, credit notes and payments, in Arabic and English. Invoicing software in the UAEQuotes, invoices, credit notes and payments, in Arabic and English. Invoicing software in QatarQuotes, invoices, credit notes and payments, in Arabic and English. Invoicing software in KuwaitQuotes, invoices, credit notes and payments, in Arabic and English. Invoicing software in BahrainQuotes, invoices, credit notes and payments, in Arabic and English. Invoicing software in OmanQuotes, invoices, credit notes and payments, in Arabic and English. Invoicing software in the UKQuotes, invoices, credit notes and payments, in Arabic and English. Invoicing software in GermanyQuotes, invoices, credit notes and payments, in Arabic and English. Invoicing software in FranceQuotes, invoices, credit notes and payments, in Arabic and English.

See it with your own work

Ask for a demo and our team in Amman will show you Zyntra OS on work like yours, in Arabic or in English.

Ask for a demo +962 795 900 124 info@double-support.com