Why The External Consultant Model Works

In 2020, data revealed that consulting was a $250 billion dollar industry. Figures were down at the time due to the pandemic, so it’s safe to assume that this number has only grown in the past year.

There’s no doubt that consultancy holds appeal for many businesses; after all, what company wouldn’t want access to the best and brightest minds in any given field?

Still, investing in an outside opinion is just that – an investment. Consultants can cost more than $100 per hour to hire, and if you’re paying by project, the bill can quickly climb into the many thousands. With that in mind, it’s important to make sure that the external consultant model truly works before making the leap.

With that in mind, let’s delve into external consulting and explore whether or not it’s the right decision for your business.

What Is External Consulting?

External consulting is the act of hiring an outside firm or individual to provide advice and guidance on a specific issue or problem. This could be anything from financial advice to marketing strategy, and everything in between. 

For instance, you might hire someone to resolve problems like:

  • Finding product-market fit. It’s not always easy to know whether you have a product that people actually want to buy. A consultant can help you determine if your product is ready for market and, if not, how to adjust it.
  • Improving efficiency. There’s always room for improvement when it comes to efficiency. From process changes to implementing new technologies, a consultant can help you find ways to work smarter, not harder.
  • Growth strategy. It can be difficult to determine the best way to grow a business. Should you enter new markets? Should you acquire other companies? A consultant can help you develop and execute a growth strategy that makes sense for your business.
  • Internal conflict. Sometimes, the biggest problem a business faces is internal conflict. This could be anything from disagreements among team members to problems with company culture. A consultant can help you identify and resolve these issues before they cause irreparable damage.

Of course, consultants aren’t always there to solve problems; they might also be hired to take advantage of opportunities. For instance, you might hire a consultant to help you:

  • Develop a new product. If you have an idea for a new product or service, but don’t know how to bring it to market, a consultant can help. They can provide guidance on everything from market research to product development to go-to-market strategies.
  • Launch a new business. Starting a business is no easy feat. From putting together a business plan to securing funding to building a team, there’s a lot that needs to be done. A consultant can help you get your new business off the ground and ensure that it has the best chance for success.
  • Enter a new market. Expanding into new markets is an exciting but risky proposition. A consultant will know how to assess the risks and opportunities associated with a new market and help you develop a plan for entering it.
  • Gain a competitive edge. In today’s hyper-competitive business landscape, it’s more important than ever to have a competitive edge. Consultants can identify your unique selling proposition and develop strategies for capitalizing on it.

Types of External Consultants

Now that we’ve answered the question “what is external consulting,” it’s time to take a look at the different types of consultants that are out there. 

Management Consultants

When your company is struggling with inefficiencies, a management consultant can be brought in to help you streamline your processes. These consultants are usually experienced in change management and have a deep understanding of how businesses operate. 

Operational Consultants

Similarly, operational consultants are experts in improving the efficiency of your company’s operations; however, they’re specifically focused on the day-to-day processes that keep your business running. These consultants can help you optimize your workflow and make sure that your team is using their time effectively. 

Financial Consultants

If your company is having financial difficulties, a financial consultant can be brought in to help you get your finances back on track. These consultants are usually experienced in financial analysis and have a deep understanding of how businesses operate. 

Strategic Consultants

Strategy lives within all businesses; it’s the long-term plan that dictates how you’ll achieve your goals. A strategic consultant can help you develop and implement a comprehensive strategy for your business. These consultants are usually experienced in change management and have a deep understanding of how businesses operate. 

Human Resource Consultants

HR consultants live and breathe people. They’re experts in understanding how your employees operate and what motivates them. These consultants can help you develop and implement comprehensive HR strategies that will improve your team’s performance; they’ll help with everything from recruitment to retention. 

IT Consultants

When your IT infrastructure is falling apart, an IT consultant can be brought in to upgrade your systems and get things back on track. They can help with computing, networking, and software development; they’ll also usually have a deep understanding of how businesses operate. 

Marketing Consultants

Marketing consultants are experts in getting your company’s name out there. They can help you develop and implement marketing campaigns that will reach your target audience and help you achieve your business goals. 

There are a few more lesser-known types of consultants, such as sales consultants, but these are the most common. 

What Are the Benefits?

Since hiring an outside consultant to help with specific projects or tasks can cost your company to the tune of $100-$300 per hour, it’s important to understand the benefits that warrant this type of arrangement.

Bringing in New Perspectives

The last thing you want is for your company to become a bubble. When all your employees come from the same general background and share similar opinions, it can lead to groupthink – a phenomenon in which people within a group reach faulty decisions because they are too afraid to speak up against the majority. 

An external consultant may be just the circuit breaker you need. By definition, they are not part of your company’s culture. They don’t have the same baggage or share the same perspectives as your in-house employees. As a result, they can provide an objective view of your company’s processes and offer outside-the-box recommendations for improvement.

Think of it almost like a psychologist or therapist for your business. It can be difficult for employees to be completely honest about what they think is wrong with the company when their livelihood depends on it. An external consultant can get to the heart of the matter without having to worry about stepping on toes or hurting feelings.

Improved Efficiency and Productivity

Oftentimes, an outside perspective is all it takes to help a company see how it can work smarter, not harder. 

Bringing in an external consultant is a sign that you’re open to change and willing to invest in making your company more efficient. This type of mentality can be contagious, leading your employees to also buy-in to the idea of finding new and improved ways of working.

In many cases, an external consultant is hired to help with a specific project or task. Once they complete their work and share their insights, they move on to other clients. This can be beneficial for your company because it allows you to take what you need and leave the rest. 

There’s no need to worry about an outside consultant trying to make long-term changes or overhaul your company’s entire way of doing things – they’re only there to help you improve upon what you already have in place.

Flexibility

Another advantage of working with an external consultant is that it provides your company with flexibility. 

You can hire a consultant for as long or as short as you need them. If you only need help with a specific project, you can bring them in for a few weeks or months and then let them go when the job is done. 

You also have the option of hiring multiple consultants to work on different projects simultaneously, which can be beneficial if you need to implement several changes quickly and don’t have the internal resources to do it all at once. 

The flexibility that comes with working with external consultants can be a lifesaver for companies that are dealing with sudden changes or challenges.

Cost-Effectiveness

While hiring an external consultant can be expensive, it’s important to consider the alternative – doing the work yourself or assigning it to your employees. 

In many cases, it’s more cost-effective to hire a consultant than to have your employees take on additional tasks outside of their normal job descriptions. This is especially true if the work requires specialized skills or knowledge that your employees don’t have. 

It’s also important to consider the opportunity cost of having your employees work on projects that are outside of their area of expertise. By assigning these tasks to an external consultant, you free up your employees to focus on what they do best, which can lead to increased efficiency and productivity.

Risk Reduction

When you hire an external consultant, you transfer the risk of the project to them. This can be beneficial for your company in several ways. 

First, it frees up your employees to focus on their normal job duties without having to worry about taking on additional projects or tasks. Second, it allows you to avoid the cost and hassle of having to train your employees on new skills or knowledge. 

Third, if the project is not successful, you can simply end the contract with the consultant and move on – there’s no need to worry about firing employees or dealing with other negative repercussions.

Improved Morale

Bringing in an external consultant can also improve morale within your company. 

Your employees will appreciate that you’re taking steps to improve the efficiency and productivity of the company, and they’ll be more likely to buy-in to the changes that are implemented as a result. In addition, by freeing up your employees to focus on their normal job duties, you’ll help them to feel less overwhelmed and stressed. 

Improved morale can lead to increased productivity, which can benefit your company in a number of ways: higher quality work, more engaged employees, and lower turnover rates.

Are There Any Downsides?

As with any business decision, there are always potential downsides to consider. Here are a few of the potential drawbacks of working with an external consultant: 

  • There’s always the possibility that the consultant will not be a good fit for your company, which can happen if their personality clashes with your company culture or if they’re not able to adequately meet your needs. 
  • External consultants can be expensive, so you need to be sure that you’re getting a good return on your investment. 
  • If you’re not careful, you could end up relying too heavily on the consultant, which can create problems if they leave or are no longer available. 
  • There’s also the potential for conflict if the consultant works with other companies in your industry. 

Overall, however, the advantages of working with an external consultant usually outweigh the potential drawbacks – as long as you’ve considered every angle and carefully selected the right consultant for your needs.

Choosing Your Consultant

Deciding which consultant to go with almost requires you to diagnose your company’s specific problems, as if they were treatable illnesses. This is the first and most important step, as you need to be clear about what exactly you want help with before you can start shopping around for a consultant. 

To clarify what exactly you need from an outside professional, ask the following questions of your internal team: 

  • What are we struggling with at the moment? What are our constraints and bottlenecks? 
  • What processes or areas need improvement? 
  • Do we have the in-house expertise to solve these problems, or do we need outside help? 
  • Are there any personality conflicts that an external consultant could help diffuse? 

Once you’ve answered these questions, you can begin to look for a consultant who has the specific skills and experience needed to address your company’s issues. But don’t stop there; it’s also important to find a consultant who you feel confident will be a good fit for your company’s culture. 

The best way to get a sense of whether or not a potential consultant will be a good match is to schedule an initial consultation (most consultants offer these for free). 

This gives you an opportunity to “interview” the consultant and get a feel for their personality and approach. It also allows the consultant to learn more about your company and get a better understanding of your specific needs. 

You’ll then need to clarify the scope of the project and agree on deliverables, timelines, and compensation. This step is important in setting expectations and ensuring that both parties are clear about what’s expected. 

Finally, it’s also important to have a plan for transitioning out of the consulting relationship once the project is complete. This will help ensure that your company doesn’t become too reliant on the consultant and that you’re able to effectively take over once they’re gone. 

Why Does the External Consultant Model Work?

As consultants ourselves, the ProsperSpark team is well versed in the immense benefits that an external consultant can bring to a company. From our perspective, the external consultant model works for several key reasons: 

  1. An external consultant is objective. They are not invested in the politics or culture of your organization, which allows them to provide unbiased recommendations and observations. 
  2. They are experts in their field with a wealth of experience that they can apply to your unique situation. 
  3. External consultants are typically hired for a specific project or time period, which means they are laser-focused on achieving the desired results. 
  4. Engaging an external consultant signals to your team that you are serious about making change and willing to invest in outside help to make it happen. 
  5. An external consultant can provide an objective “second set of eyes” to review your plans and offer suggestions for improvement. 

Of course, no solution can be cut-and-pasted to achieve success in every situation. The external consultant model is no different; it might work well for one of your goals or problems, but not so well for another. The key is to evaluate your needs and carefully select a consultant who will be the best fit to help you achieve success. 

In 2010, MI5, the United Kingdom’s domestic counterintelligence agency, made a grave mistake due to a simple spreadsheet formatting error. This blunder resulted in the wrongful surveillance of 134 individuals unrelated to ongoing investigations. On top of this, MI5 also collected the histories of 927 IP addresses without the required senior officer authorization. These mistakes wasted valuable resources and compromised the privacy of those involved. While this incident may sound like a far-fetched spy movie plot, it highlights the ongoing risks of manual data handling in critical operations.

 

The Spreadsheet Error That Led to Wrongful Surveillance

The error occurred during a data entry process where MI5 agents listed phone numbers for surveillance. Unfortunately, a formatting mistake in the Excel spreadsheet caused the last three digits of the phone numbers to be replaced with “000,” leading the agency to tap the wrong phone lines​.

As a result, MI5 unknowingly collected irrelevant data on unsuspecting British citizens. Although the error was discovered and the material destroyed, the incident is a chilling reminder of the consequences that can stem from even minor spreadsheet errors. However, it’s important to note that these errors were entirely preventable with the suitable systems in place, offering a sense of empowerment to organizations that can learn from MI5’s experience.

 

The Broader Risks of Manual Data Entry

The MI5 surveillance mistake is just one example of how spreadsheet errors can have significant implications, and it’s far from an isolated incident. In previous Spreadsheet Horrors blog posts, we’ve covered TransAlta’s $24 Million Copy-Paste Error and JPMorgan’s $6 Billion Trading Loss, both of which stemmed from errors in Excel spreadsheets. These examples from the finance and energy sectors further underscore how human data entry errors can spiral into severe operational failures​.

The risks of manual data entry are not just financial. For organizations like MI5, these errors can threaten national security and compromise public trust. Manual handling of large datasets—phone numbers, financial data, or operational details—carries a high risk of human error, especially when using spreadsheets that lack built-in safeguards.

 

Why Spreadsheets Are a Weak Link

Spreadsheets, while versatile, are prone to errors that can have devastating effects. MI5’s error is a classic case of how even a tiny mistake can lead to large-scale consequences. Spreadsheets cannot detect such errors in real-time, especially when the managed data is complex or critical.

 

Unauthorized Collection of IP Data

In addition to the phone number mistake, MI5 also acquired data on 927 IP addresses without the necessary approval from a senior officer. This unauthorized data collection resulted from a system configuration error that bypassed the established protocol requiring clearance from higher-ranking officials. Although this data request was deemed appropriate, the lack of proper authorization exposed MI5 to operational and legal risks.

These errors underscore the vulnerabilities of manual data management in high-stakes environments. Without proper safeguards, even well-established processes can go awry.

How ProsperSpark Can Help Your Company Prevent Similar Errors

At ProsperSpark, we specialize in helping organizations avoid costly data management mistakes like the ones MI5 experienced. By automating manual processes and implementing robust error detection systems, we enable businesses to handle sensitive data more efficiently and securely.

Automated Validation Rules

One of the critical ways ProsperSpark can help is by implementing automated validation rules. These rules ensure data is correctly formatted and verified before being used in critical operations. For example, in MI5’s case, validation rules could have checked the phone numbers for proper formatting before entering the system, catching the “000” error early. This type of automation drastically reduces the risk of human error in data entry, especially in scenarios where even minor mistakes can have significant consequences.

 Data Auditing and Logging Systems

At ProsperSpark, we also provide data auditing and logging solutions that track all changes made to sensitive datasets. By maintaining an audit trail, organizations can quickly identify and rectify errors. In MI5’s case, this would have allowed the agency to detect the phone number formatting issue and the unauthorized IP data collection before the errors impacted their operations. Data auditing ensures every action is logged and traceable, safeguarding against accidental errors and unauthorized changes.

Automated Workflows for Authorization

To prevent issues like MI5’s unauthorized IP data collection, ProsperSpark configures automated workflows that require the correct authorization at every stage of data handling. These workflows ensure that no action can be completed without the appropriate approval, reducing the risk of bypassing critical security protocols. For organizations dealing with sensitive information, having an automated authorization system is essential for maintaining compliance and avoiding potential legal repercussions.

Tailored Solutions for Data Management

Whether you’re handling sensitive data in intelligence, finance, healthcare, or any other industry, ProsperSpark can help implement tailored data management solutions designed to fit your organization’s specific needs. We provide customized automation solutions that eliminate the reliance on manual spreadsheets, reducing the risk of errors and improving overall operational efficiency.

 

Conclusion

MI5’s 2010 spreadsheet errors are a stark reminder of the risks associated with manual data entry, especially in sensitive operations. Organizations can significantly reduce the likelihood of such mistakes by implementing automated validation, data auditing, and authorization systems. ProsperSpark specializes in helping businesses transition from error-prone manual processes to secure, automated systems that ensure data accuracy and compliance.

 

Don’t let a simple formatting error compromise your operations. Contact ProsperSpark today to learn how we can help you safeguard your data with tailored automation solutions.

 

Keep Reading

MI5 responsible for 1000 bugging errors in 2010 says Guardian

MI5 makes 1,061 bugging errors

EuSPRIG Horror Stories

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