Bookkeeping for Professional Service Businesses in Lowell, Massachusetts

Helping professional service businesses in Lowell keep their books organized, easy to understand, and ready to file taxes.

Stop letting the stress of your unkept books haunt you throughout the year, leading up to the meeting with your CPA. Wouldn’t’ it be nice to have somebody update your books every month, so you don’t have to worry about trying to learn accounting and QuickBooks Online at the same time.


We understand that struggle. That’s exactly why we started helping professional service businesses like yours in Lowell get your bookkeeping done without the rollercoaster of emotions that comes along with it.

Bookkeeping Support for Businesses In Lowell

You are not the only business owner in Lowel who is attempting to manage their own books or just lost your bookkeeper from them retiring.


Are these some of the things you have trouble with?

  • Bank Accounts not connecting to QuickBooks
  • Not understanding what the Chart of Accounts is
  • Not being able to get the reports your CPA needs
  • Re-learning QuickBooks every time it updates

These are some of the problems we solve for our clients, so they can run their business and focus on making more money.

Person points at receipts with calculator, budgeting expenses on a white desk.

Here is How Our Process Works

1. Onboard & Organize

We start by reviewing your business structure and financial activity. QuickBooks Online is set up or corrected to mirror your bank and credit card accounts, creating a system that supports long-term accuracy.

2. Maintain & Monitor

Transactions are categorized starting from the last time your books were updated through the current month. Accounts are reconciled to ensure every transaction is accounted for and no discrepancies remain.

3. Understand & Plan

At the end of the cleanup, you receive a clear profit & loss report that shows exactly where your money went. This insight allows you to understand spending patterns and make informed changes moving forward.

QuickBooks  Online Setup & Support

QuickBooks Desktop to Online Migration

As a Certified QuickBooks Online ProAdvisor, Troisi Bookkeeping helps businesses set up and manage their accounting software correctly.



QuickBooks services include:

  • QuickBooks Online setup
  • Account configuration
  • Transaction organization
  • Ongoing QuickBooks support
  • Training for business owners


This ensures your accounting system works efficiently and accurately from the start.

QuickBooks Desktop to Online Migration

Still using outdated accounting software or spreadsheets? We provide QuickBooks migration services for Billerica businesses to move your data safely to QuickBooks Online.


Migration services include:

  • Data transfer and system conversion
  • Account structure setup
  • Historical financial data migration
  • Software configuration and optimization


With QuickBooks Online, you can access your financial data from anywhere while automating many bookkeeping processes.

Bookkeeping Service Options for Businesses in Lowell

Monthly Bookkeeping


Ongoing bookkeeping to let your books run on autopilot, so you do not have to think about it.

Bookkeeping Clean-up


A one-time cleanup if your books have not been updated for months or years.

QuickBooks Online Migration


If you are making the switch to QuickBooks Online from another accounting software.

Businesses We Work With

We work with many professional services businesses in Lowell and the Greater Boston area, including:

  • Construction & Contractors
  • Law Firms
  • Barber Shops & Beauty Salons
  • Architects & Engineering Firms
  • IT & Marketing Consultants
  • Laundromats
  • Auto Repair & Automotive Service Shops
Person points at receipts with calculator, budgeting expenses on a white desk.

Client Testimonials

⭐⭐⭐⭐⭐

We began communicating with Troisi Bookkeeping last year and we have been impressed with their depth of knowledge and expertise. They were especially helpful this past week as we got our books prepared for our taxes. We highly recommend them!


- Jay

⭐⭐⭐⭐⭐

Working with Troisi Bookkeeping has been one of the best decisions I’ve made for my business. My books used to be a mess and it would cause so much stress trying to get everything organized for tax season. Now I never have to worry about anything, it’s all done for me and I can focus on growing my business instead of stressing about the books. 10/10 recommend for any small business owner out there!


- Tyler C.

⭐⭐⭐⭐⭐

Quick and very easy to deal with for my books and answered every questions I had.


- Martin R.

⭐⭐⭐⭐⭐

Troisi Bookkeeping has been an excellent partner in every aspect. The team is extremely professional and responsive, consistently delivering high-quality service. By outsourcing our bookkeeping to Troisi Bookkeeping, we have gained a significant amount of time that can now be dedicated to billable work. This has not only improved our efficiency but also positively impacted our bottom line.


We highly recommend Troisi Bookkeeping for their outstanding service and dedication.


- Ryan B.

⭐⭐⭐⭐⭐

We began communicating with Troisi Bookkeeping last year and we have been impressed with their depth of knowledge and expertise. They were especially helpful this past week as we got our books prepared for our taxes. We highly recommend them!


- Jay

Frequently Asked Questions

  • Q: How often are my books updated?

    Transactions are handled weekly, and accounts are reconciled monthly to ensure your financials stay accurate and current.

  • Q: Do I need to be using QuickBooks Online already?

    No. If you’re not currently using QuickBooks Online, we can help set it up or migrate your existing data correctly.

  • Q: What if my books are very behind or messy?

    That’s more common than you think. We specialize in organizing disorganized records and bringing books up to date without judgment.

  • Q: Will this help with tax preparation?

    Yes. Clean, accurate books make tax filing easier for your accountant and reduce last-minute stress during tax season.

  • Q: Is this service only for certain industries?

    We primarily serve trades, salons, barbershops, and service-based businesses because we understand their unique financial needs.

  • Q: Do small businesses in Lowell need a bookkeeper?

    Yes. Many small businesses benefit from professional bookkeeping because it ensures accurate financial tracking, simplifies tax preparation, and helps owners make informed financial decisions.

  • Q: How often should bookkeeping be updated?

    Most businesses should update their books monthly to maintain accurate financial records and avoid tax-time stress.

  • Q: Can you fix messy or outdated books?

    Yes. Bookkeeping cleanup services can review past transactions, reconcile accounts, and bring your financial records up to date.

  • Q: Do you work with QuickBooks Online?

    Yes. Troisi Bookkeeping is a QuickBooks Online ProAdvisor and helps businesses with setup, migration, and ongoing support.

Schedule a Bookkeeping Consultation in Lowell, MA

If bookkeeping is taking time away from running your business, Troisi Bookkeeping can help. Our professional bookkeeping services ensure your finances stay organized, accurate, and tax-ready all year long.


Contact Troisi Bookkeeping Services today to schedule a free consultation and take control of your business finances.

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About Matthew Troisi

Matthew Troisi is the founder of Troisi Bookkeeping Services, providing professional bookkeeping and financial organization for small businesses throughout Billerica, MA and Middlesex County. As a Certified QuickBooks Online ProAdvisor, Matthew specializes in helping business owners simplify their bookkeeping, stay organized year-round, and maintain accurate financial records.

Person using a calculator and pen, writing on paper at a desk. A phone, keyboard, and notebook are also present.

About Matthew Troisi

Matthew Troisi is the founder of Troisi Bookkeeping Services, providing professional bookkeeping and financial organization for small businesses throughout Lowell, MA and Middlesex County. As a Certified QuickBooks Online ProAdvisor, Matthew specializes in helping business owners simplify their bookkeeping, stay organized year-round, and maintain accurate financial records.


With experience working with contractors, service businesses, and local entrepreneurs, Matthew understands the financial challenges small businesses face. His goal is to give business owners clear insight into their numbers so they can make confident financial decisions and focus on growing their business.


Matthew works closely with clients to provide reliable bookkeeping, QuickBooks support, and financial reporting designed specifically for small businesses in the
Lowell area and surrounding communities .

Take control of your finances today. Call Troisi Bookkeeping Services, LLC, in Lowell, MA, at 857-264-5009 to schedule your free consultation and start building financial clarity you can rely on.