Our success is you
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Our success is you. Your success is our priority.

Through client-focused relationships, our core belief can provide a strong foundation for the financial health of your business.

Welcome to Lengemann & Associates P.C
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Experience Professionals

Actionable insights for smarter decisions

Dedicated Team of Professionals


Welcome to Lengemann & Associates P.C

Your trusted partner in financial excellence. With over a century of combined experience, we offer comprehensive accounting solutions tailored to meet your unique needs. From expert tax planning and accurate bookkeeping to strategic financial consulting, we're here to empower your financial success. Serving clients nationwide, our dedicated team is committed to delivering meticulous precision and insightful guidance, setting us apart as a beacon of reliability in an ever-evolving financial landscape.


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Why work with us

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Why work with us

Why Work With Us


Our goal is to become intimately aware of all aspects of a client’s business. By prioritizing, listening to, and understanding the concerns of our clients, we are able to develop a common vision of what’s possible for the success of our clients beyond just the basics. Their combined service and industry experience, along with our extensive network of references and sources, gives us the expertise needed for our clients to rely on challenges or when questions arise.

Addressing Your Needs and Unveiling Our Specialized  Services

Addressing Your Needs and Unveiling Our Specialized Services


  • Struggling with taxes?
    Navigating through complex and ever-changing tax rules can be a headache. 

  • Tired of manual data entry?
    Spending hours inputting financial data can lead to errors and wasted time. 

  • Need timely insights?
    Without real-time updates, making informed decisions for your business is a challenge.

  • Overwhelmed by software?
    Figuring out complicated accounting software and deciphering financial reports can be frustrating.

    Discover solutions to simplify your accounting journey with us.

Our Services

We excel in our relationships with individuals and businesses seeking a partner to help heighten their financial success. Our services are tailored specifically to the needs of our clients and evolve as their needs change. 

Accounting Services

Accounting Services

Comprehensive financial recordkeeping and reporting, including tracking income and expenses, maintaining ledgers, and producing financial statements.

Tax Preparation and Management Services

Tax Preparation and Management Services

Strategizing and planning to minimize tax liability while complying with tax laws and regulations. This includes year-round tax planning and filing support.

Financial Audits, Reviews, and Compilations

Financial Audits, Reviews, and Compilations

Conducting thorough examinations of financial statements to ensure accuracy and compliance with accounting standards. Reviews and compilations involve varying levels of scrutiny.

Empowering Your Business Journey

Empowering Your Business Journey: Expert Solutions for Diverse Industries and Business Types

Tailored Excellence in Banking, Government, Nonprofit, and More – Elevate Your Business with Our Proven Financial Expertise


Our professionals are experienced in many specialized industry groups, including banking, governmental and nonprofit entities, Rural Water Districts, construction, land development, restaurants, retail, and manufacturing industries.

We also specialize in family-owned and privately-held businesses and have the experience, differentiating services and track record to anticipate and meet challenges confronting business owners.

We take pride in the fact that we provide clients with the tools needed to take a business to the next level of success. Our core competencies – audit, review, tax planning, forecasts and projections – provide a strong foundation for the financial health of the business.