Baker Newman Noyes

What Baker Newman Noyes does

Baker Newman Noyes (BNN) is a privately held CPA and advisory firm founded in 1995 and headquartered in Portland, Maine. The firm operates five offices across New England (Portland, Boston, Woburn, Manchester, and Portsmouth) and employs between 251 and 500 professionals. BNN is recognized as a Top-100 national tax, assurance, and advisory firm and is a member of HLB International, a global accounting and advisory network that enables cross-border service delivery. The firm serves clients across eight vertical industries: Banking and Financial Services, Education, Healthcare, Life Sciences, Manufacturing and Commercial, Nonprofit, Professional Services, and Real Estate and Construction.

BNN's service portfolio is organized into three core practices: Tax Services (business, individual, international, state and local, and tax-exempt compliance and planning), Assurance Services (audits, reviews, SOX compliance, internal controls, and SOC reports), and Advisory Services (Business and Technology Advisory, Client Accounting and Advisory Services, Healthcare Advisory, Transaction Advisory, Information Systems and Risk Assurance, Cybersecurity Assurance, and ESG Advisory). The firm has developed proprietary technology including BNN Intelligence (BNNi), a custom software platform for cybersecurity vulnerability and controls testing that translates technical findings into prioritized, actionable client outputs. Named clients include Bank of Canton, Verve Therapeutics, Global Seafood Alliance, Bend Financial, and various nonprofit and real estate organizations.

BNN generates revenue through professional services fees based on engagement scope, complexity, and client size, with pricing not publicly disclosed. The go-to-market approach is relationship-driven, relying on partner-led client engagement, referrals, industry reputation, and content marketing across a blog, resource library, email newsletter, and social channels. The firm has received recognition including ClearlyRated's Best of Accounting Diamond Award (2024), Inside Public Accounting Top 100 ranking (2025), and Forbes Best-In-State CPAs (2026).

Name

Baker Newman Noyes

Legal name

Baker Newman Noyes

Website

https://bnncpa.com

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

251–500 employees

Short description

Baker Newman Noyes is a privately held Top-100 CPA and advisory firm serving eight vertical industries across New England from five offices. It provides tax, assurance, and advisory services including cybersecurity, ESG, transaction advisory, and healthcare consulting to enterprise and mid-market clients.

Ownership category

akta.pro rank

Product category

Accounting & Advisory Services

NAICS

Offices of Certified Public Accountants (541211), Accounting, Tax Preparation, Bookkeeping, and Payroll Services (54121)

SIC

Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Internal Audit & SOX/ICFR Advisory (BPAHAFAD)

Keywords

• CPA advisory services
• Tax compliance services
• Audit assurance services
• Transaction advisory services
• Cybersecurity assurance

Headquarters

HQ city

Portland

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. Tax Services: Comprehensive tax planning and compliance services including business tax, individual tax, international tax, state and local tax, gifts, estates and trusts tax, and tax-exempt organization services. Revenue generated through professional service fees.
2. Assurance Services: Audit, review, and financial reporting services along with SOX compliance, internal control reviews, information systems risk assurance, and SOC reports. Revenue generated through professional service fees.
3. Advisory Services: Business and technology advisory, client accounting and advisory, healthcare advisory, and transaction advisory services including M&A consulting, due diligence, and quality of earnings analyses. Revenue generated through professional service fees.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels9 records

Core offering

Baker Newman Noyes (BNN) is a top-100 CPA and advisory firm providing tax, assurance, and advisory services to organizations across eight vertical industries including banking, healthcare, real estate, nonprofit, manufacturing, education, life sciences, and professional services. The firm delivers audit and financial reporting, tax planning and compliance, business and technology advisory, transaction advisory for M&A, cybersecurity assurance, ESG advisory, and outsourced client accounting services through partner-led engagements across New England.

Product overview

Baker Newman Noyes (BNN) is a top-100 regional CPA and advisory firm offering a unified portfolio of professional services organized into three core practice areas: Tax Services, Assurance Services, and Advisory Services. The firm's Tax practice provides compliance and planning across business, individual, international, state/local, and nonprofit segments. Assurance includes financial statement audits, SOC reports, and SOX compliance. The Advisory practice encompasses Business & Technology Advisory (IT assessments, system selection, project management), Client Accounting & Advisory Services (outsourced accounting), Healthcare Advisory, Transaction Advisory (M&A due diligence), Cybersecurity Assurance, and ESG Advisory. BNN serves clients across Banking & Financial Services, Education, Healthcare, Life Sciences, Manufacturing & Commercial, Nonprofit, Professional Services, and Real Estate & Construction industries throughout New England.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Clients report receiving Big 4-level expertise with personalized attention of a smaller firm

Named customers8 records

Segments8 records

Ideal customer profiles8 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• HLB InternationalcoreStrategic or Co-development PartnerBNN is a member of HLB International, a global accounting network and advisory firm. This membership provides BNN with access to international resources, global expertise, and the ability to serve multinational clients through HLB's worldwide network of member firms. HLB International releases an annual Global Annual Review showcasing the network's capabilities.

Scale indicators1 record

Recent moves2 records

Expansion highlights6 records

Broad incumbents

• RSM US: Top-5 U.S. accounting and advisory firm focused on middle-market companies. Competes with BNN on middle-market tax, audit, and advisory engagements across multiple industries. Larger scale, but overlapping mid-market target market.
• Grant Thornton US: Top-7 U.S. accounting and advisory firm serving middle-market and large private clients across all industries. Overlaps with BNN in middle-market tax, assurance, and advisory — but operates at much greater scale with national reach, representing a step-up competitive threat.

Direct peers

• Plante Moran: Top-20 U.S. accounting and business advisory firm serving manufacturing, healthcare, financial institutions, and real estate industries. Highly comparable service mix (tax, assurance, advisory) and industry vertical approach used by BNN, though with a Midwest rather than New England base.
• Marcum LLP: Top-20 U.S. accounting and advisory firm with strong New England presence (Boston, New Haven) serving middle-market companies in banking, healthcare, construction, and technology. Direct overlap with BNN on banking, healthcare, and construction specialties in the Northeast.
• Bonadio & Co. LLP: Top-50 New York-based CPA and advisory firm with strong upstate NY presence and a New England orbit, serving healthcare, banking, manufacturing, and nonprofit sectors. Closely comparable vertical mix and mid-tier regional positioning to BNN.
• Wolf & Company P.C. Top-100 regional CPA and advisory firm with offices across Massachusetts, New York, and Connecticut, specializing in banking, healthcare, manufacturing, and nonprofit. Direct regional competitor to BNN across New England clients with comparable mid-tier service offerings.
• BerryDunn: Top-50 U.S. CPA and advisory firm headquartered in Portland, Maine with a New England focus across healthcare, banking, education, government, and nonprofit sectors. BerryDunn is the closest direct peer — same regional footprint, same vertical mix, similar mid-tier positioning that competes head-to-head for the same BNN clients.
• WithumSmith+Brown (Withum): Top-30 U.S. CPA and advisory firm with deep industry verticals in real estate, construction, healthcare, financial services, and nonprofit. Highly comparable service composition and industry vertical structure used by BNN, including strong transaction advisory and outsourced accounting offerings.
• Wipfli LLP: Top-25 U.S. accounting and advisory firm with strong mid-market focus in industries including manufacturing, healthcare, financial services, and nonprofit. Comparable to BNN in offering an integrated tax/assurance/advisory stack with industry-specific service lines.
• Baker Tilly US, LLP: Top-10 U.S. accounting and advisory firm serving middle-market clients across industries including healthcare, real estate, financial services, and life sciences. Closely comparable to BNN's industry vertical mix, advisory-heavy service profile, and mid-market client focus.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCtxUPINzQDjSljtH8ObEqyQ
• Facebookfacebook.com/bakernewmannoyes
• LinkedInlinkedin.com/company/baker-newman-noyes
• Instagraminstagram.com/bakernewmannoyes

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Baker Newman Noyes