Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Panko (1999)
Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
The results given by spreadsheets are often just wrong.
Sajaniemi (1998)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Beaman, et al (2005)
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Murphy (2007)
Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2008)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (2013)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Price (2006)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Chadwick (2002)
Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Galletta, et al (1993)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
A lot of decisions are being made on the basis of some bad numbers.
Ross (1996)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
Spreadsheets have a notoriously high number of faults.
Rust, et al (2006)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
Most large spreadsheets have dozens or even hundreds of errors.
Panko & Ordway (2005)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
Spreadsheets can be viewed as a highly flexible programming environment for end users.
Abreu, et al (2015)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
Untested spreadsheets are riddled with errors.
Miller (2005)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
It is irrational to expect large error-free spreadsheets.
Panko (2013)

Spreadsheet bibliography

Title Only a matter of time before the spreadsheets hit the fan
Authors Robert Miller
Year 2005
Type Newspaper article
Publication The Telegraph
Series 30 June 2005
Abstract Inaccurate financial information is widespread and is putting businesses at risk.
Full version Available
Sample
Spreadsheets are ubiquitous and almost certainty contain errors

Even the simplest spreadsheet calculations in a company are not tested independently for accuracy and the probability of material error is way over 90pc.

"It's very worrying. Untested spreadsheets are riddled with errors very often because the incorrect formula has been entered in the first place."

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