Bookkeeping For Architect & Engineering Firms in Greater Boston

Helping Massachusetts Architects & Engineers keep their books organized, bank accounts fat, and financials ready for taxes

Running a consulting firm already demands your full attention. Filling up your calendar with profitable projects, making sure your time is being well utilized, and creating loyal clients who keep coming back and referring their friends. Your bookkeeping should not be the thing that follows you home at the end of the day.

We help Architect & Engineers like you, across Greater Boston and Middlesex County keep your QuickBooks organized, understand how much money you make, and help you stay ready to file taxes.

Running An Architect & Engineering Firm Is Hard Enough and Your Books Shouldn’t Be Making It Worse

Your business has grown over the past few years; and the financial side of the business has become complex.


You deal with:

  • Keeping revenue consistent to pay your people & bills
  • Figuring out if you charge the right price to make a profit
  • Managing income and expenses without dipping into credit lines
  • Tracking invoices to make sure they get paid


Having to do all these things and then learn how each factor effects your accounting, while trying to learn QuickBooks at the same time, is frustrating.



You need a bookkeeper who has done it before and can help you.

Team collaborating around architectural blueprints on a wooden table, viewed from above
A stack of coins, paper money, a calculator, and a metallic pen arranged on a document with financial data tables.

This Is How We Help Architect & Engineering Firms Keep Their Books

Our goal is simple: keep your books accurate so you can focus on your firm.

1. Cleanup Your Books

We cleanup your QuickBooks and structure your accounts so your reporting reflects how your business operates.

Maintain Monthly Records

Your QuickBooks is updated weekly. Your transactions are categorized, client payments recorded, and accounts reconciled.

3. Deliver Monthly Reports

You will receive monthly Profit & Loss statements to help understand your firm’s performance.

Bookkeeping Service Options for Architect & Engineering Firm’s

  • Monthly Bookkeeping Services
  • Ongoing services that allow you to put your bookkeeping on autopilot every month and receive Profit & Loss reports automatically.
  • Bookkeeping Cleanup
  • It may have been a while since your books were updated, this will clean them up to the present month.
  • QuickBooks Online Migration
  • If you have a different accounting software and are moving to QuickBooks Online, we can help with your setup and maintenance.
Hands pointing at architectural plans on a table with a laptop and coffee cup nearby

Why Architects & Engineers Choose To Work With Us

The level of top-tier service you provide for your clients is exactly how we treat our client relationships.


Home service businesses come to us after dealing with confusion on QuickBooks, slow responses from other bookkeepers, and financial reports that don’t clearly show the performance of your firm.


Our goals are simple. Keep your books organized, give you accurate reports, and have you prepared to file taxes with your CPA. So much so that you will want to brag to them this year.

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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

Wooden blocks spelling

Frequently Asked Questions About Bookkeeping for Home Service Businesses

  • Do architects and engineers need professional bookkeeping?

    Yes. Architecture and engineering firms deal with project-based billing, milestone payments, retainers, and varying monthly revenue that can be difficult to track without a dedicated system. Professional bookkeeping ensures your income and expenses are accurately recorded, your projects are properly tracked, and your financial records stay organized year round.

  • Can a bookkeeper work with my CPA?

    Absolutely. Many architects and engineers use Troisi Bookkeeping Services to maintain clean, organized books throughout the year while their CPA focuses on tax preparation and financial strategy. A well-maintained set of books makes tax season significantly smoother and less costly.

  • How often should my bookkeeping be updated?

    Most architecture and engineering firms benefit from monthly bookkeeping. This keeps your accounts reconciled, project income tracked accurately, and financial reports up to date — so you always have a clear picture of where the business stands.

  • What bookkeeping software do you recommend?

    QuickBooks Online is one of the most widely used accounting platforms for project-based professional service firms. As a Certified QuickBooks Online ProAdvisor, Matthew Troisi helps architects and engineers set up and maintain their QuickBooks systems correctly from the start.

  • Can you help if my books are behind?

    Yes. Cleanup and catch-up services are available to organize financial records that are months or even years behind. Once everything is cleaned up and properly structured, ongoing monthly bookkeeping keeps your records organized and audit-ready moving forward.

  • Do you work with solo practitioners or only larger firms?

    Troisi Bookkeeping Services works with solo architects, small engineering practices, and growing design and engineering firms throughout Greater Boston and Middlesex County.

  • What makes bookkeeping for architects and engineers different?

    Architecture and engineering firms have unique financial considerations — project cost tracking, billable hours versus non-billable time, subcontractor payments, equipment and software expenses, and licensing fees. Having a bookkeeper who understands the structure of a project-based professional service firm means your books reflect the true financial health of your practice, not just a generic business ledger.