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Welcome to ChallengeJP!

My name is Jacek, and I’m here to help you solve your Excel spreadsheet and data challenges. Whether you’re looking to develop or refresh your spreadsheet skills or someone to help you analyse and process your business data, I can help.

With my Excel and data analytics support, your business can benefit from Financial Modelling, Data Analytics and One-to-One Training. I can help you gain valuable insights into different aspects of your business, identify ways to improve your business’s performance and workflow, create accurate cash flow forecasts and much more. By bringing data to life through captivating reports, analysis, and insights, I can help your business thrive.

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Why Choose ChallengeJP?

  • Over 10 Years of Experience — With over 10 years of experience in Financial Modelling and Data Analysis, I have helped businesses in many industries make sense of their data.
  • Take Control of Your Data — Whether you use my services or Excel training courses, you’ll be in control of the process and the result — you can decide what you want to learn and which aspects of your project you’d like me to take care of for you.
  • Personalised One-to-One Solutions — I offer personalised solutions to help you master spreadsheets and maximise data value. My courses are held on a one-to-one basis, so I can customise them to your skills and pace of learning. I also tailor my financial modelling and data analytics support to your business needs and desired results.
  • Hands-On Learning Experience — Listening, watching and taking notes can only get you so far. ChallengeJP courses give you the chance to apply lessons to practical examples. With hands-on learning experience, you’ll develop confidence in using and creating spreadsheets.
  • Competitive Pricing — All of the ChallengeJP services are competitively priced so you can get the help you need without breaking the bank. Whether you use my Excel courses and training to develop your skills or bring me on board to help with a business project, I will always offer you fair and competitive prices.

Highly skilled in financial modelling and complex business case development

Jacek is a real top performer and highly skilled in financial modelling and complex business case development. I worked with him on a number of high value transactions and his expertise was invaluable to deal structuring and closing. Highly Recommended!

Andy Nash, Head of Public Sector and New Cities at CityFibre

ChallengeJP Excel and Data Consulting Services
5
2020-04-10T11:20:52+02:00

Andy Nash, Head of Public Sector and New Cities at CityFibre

Jacek is a real top performer and highly skilled in financial modelling and complex business case development. I worked with him on a number of high value transactions and his expertise was invaluable to deal structuring and closing. Highly Recommended!

One of the smartest people that I have worked with

Jacek is one of the smartest people that I have worked with. His ability to provide huge swathes of in-depth analysis are impressive to say the least and his brain is seemingly able to compute huge amounts of data whilst his Excel skills are second to none. He is also a really great guy and I am confident that he would be an invaluable asset to any company.

James Kaye, Director and Co-Founder at Big Ideas Machine

ChallengeJP Excel and Data Consulting Services
5
2020-04-08T12:29:41+02:00

James Kaye, Director and Co-Founder at Big Ideas Machine

Jacek is one of the smartest people that I have worked with. His ability to provide huge swathes of in-depth analysis are impressive to say the least and his brain is seemingly able to compute huge amounts of data whilst his Excel skills are second to none. He is also a really great guy and I am confident that he would be an invaluable asset to any company.

A very competent and detailed financial analyst

I have worked closely with Jacek during intensive periods of financing, needed to fund the growth of CityFibre PLC. Jacek's work was pivotal to the success of these initiatives. He is a very competent and detailed financial analyst and his work is not only reliable but creative. Extremely hardworking and intelligent guy. I enjoyed working with him.

Peter Manning, Chairman of CityFibre Holdings PLC

ChallengeJP Excel and Data Consulting Services
5
2020-04-08T12:24:20+02:00

Peter Manning, Chairman of CityFibre Holdings PLC

I have worked closely with Jacek during intensive periods of financing, needed to fund the growth of CityFibre PLC. Jacek's work was pivotal to the success of these initiatives. He is a very competent and detailed financial analyst and his work is not only reliable but creative. Extremely hardworking and intelligent guy. I enjoyed working with him.
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ChallengeJP Excel and Data Consulting Services

Latest Blog Posts

Check out my latest blog posts to discover Excel insights, guides and tutorials. My in-depth articles can help you use Excel more efficiently and master the art of data analysis and financial modelling.

How to Create a Monthly Budget and Forecast

This tutorial will show how to create a Monthly Budget and Forecast in Microsoft Excel. It will first cover estimating revenues. Then, the tutorial will move on to cost calculations, including direct expenses such as marketing or operating expenditures such as salaries, office, etc. Finally, it will conclude by estimating the amount of cash youRead More »How to Create a Monthly Budget and Forecast

How to Create a Merger and Acquisition Model

This tutorial shows how to create a Merger and Acquisition Financial Model in Microsoft Excel, including synergies, debt, and valuation calculations. It starts with analysing the cash flows of the target and the acquiring company. Then, it looks into the combined performance after the acquisition. In particular, it shows how to forecast synergies arising fromRead More »How to Create a Merger and Acquisition Model

How to Create a Capital Investment Plan

This tutorial shows how to create a Capital Investment Plan in Microsoft Excel. First, it discusses setting up a financial model, calculating revenue and cost, and forecasting cash flow. Then, it covers adding Profit and Loss, Cash Flow and Balance Sheet Statements. Finally, it explains how to calculate Returns on Investment and stress test theRead More »How to Create a Capital Investment Plan