Szerintem a magyarban ritkán teszünk különbséget, én csak elvétve látom a "számviteli ügyintéző" kifejezést, a "könyvelővel" viszont Dunát lehet rekeszteni. Az alábbi linkeken olvasható, hogy mi a különbség a 2 között angolul, és ennek alapján én a számviteli ügyintéző - könyvelő párost javaslom erre a kivételes esetre, amikor a 2 együtt szerepel. Az accountant hosszú alakja az accounting administrator vagy clerk.

"Accountants are responsible for the design and management of the financial systems that bookkeepers use. They prepare monthly financial statements and tax returns at year end. Accountants may also prepare budgets for management and loan proposals for bankers; they may perform cost analysis for the company's products or services."

"Bookkeepers perform a critical function for the firms and organizations they serve. Regularly challenged to maintain precise and accurate records, bookkeepers produce the vital reports that keep management up to date on the financial condition of their company."

"Accountants typically supervise the bookkeepers."

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Note added at 4 hrs (2010-01-15 04:31:59 GMT)
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Katalin megjegyzése nyomán látom, hogy a címsorban fordított sorrendben írtam be őket. Helyesen így állna:

accountant: könyvelő
An accountant's job entails working to ensure that business firms and individuals are keeping good records and paying taxes properly and on time. Though the accountant job description for some accounting positions may be simple, other accountant job descriptions are not quite as clear because of the number of duties that are required.
In general, an accountant performs vital functions to businesses, as well as individuals, of all types by offering a very wide array of business and accounting services, including public, management and government accounting, as well as internal auditing. These four major fields of accounting, and in addition to having a minimum of a bachelor's degree, each has a separate accountant job description.

bookkeeper: számviteli ügyintéző
Education and Training: High school
Definition and Nature of the Work
Bookkeepers keep financial records that track a company's expenditures, profit and loss, cash flow, and other financial activities. Bookkeepers usually work for the accounting departments of their companies. Bookkeepers employ database and spreadsheet computer programs to do their record keeping.