Insights

Expansion momentum Carpenter Box is actively expanding its footprint with larger offices in Portsmouth and new locations in Lakeside, Florida, signaling ongoing growth and potential cross-border accounting, tax, and advisory opportunities for clients expanding internationally.

Strong private sector focus As a mid-sized South East accounting firm backed by the SUMER Group, Carpenter Box targets SMEs with local delivery and national expertise, suggesting opportunities to position advisory services, governance, and scalable outsourcing for growing client bases.

Leadership milestones Recent promotions to client service director and associate director indicate a developing leadership layer and potential for high-touch relationships in audit, assurance, and tax services—ideal for upsell of comprehensive assurance, tax optimization, and financial advisory packages.

Awarded credibility Recognitions such as Tax Team of the Year and Innovation Firm of the Year bolster credibility with prospective clients seeking innovative, benchmarked accounting solutions, providing a compelling angle for selling value-driven services and digital transformation projects.

Talent and culture A focus on growth, wellbeing, and being Employer of the Year finalist signals a strong employer brand; leverage this to introduce client-focused programs around ESG reporting, sustainability advisory, and disciplined people and process management for client orgs.

Carpenter Box, part of the Sumer Group Tech Stack

Carpenter Box, part of the Sumer Group uses 8 technology products and services including Matomo, WordPress, JSON-LD, and more. Explore Carpenter Box, part of the Sumer Group's tech stack below.

  • Matomo
    Analytics
  • WordPress
    Content Management System
  • JSON-LD
    Javascript Frameworks
  • jQuery Migrate
    Javascript Libraries
  • Underscore.js
    Javascript Libraries
  • Twitch
    Live Streaming Platforms
  • Akamai Web Application Protector
    Security
  • Google Tag Manager
    Tag Management

Media & News

Carpenter Box, part of the Sumer Group's Email Address Formats

Carpenter Box, part of the Sumer Group uses at least 1 format(s):
Carpenter Box, part of the Sumer Group Email FormatsExamplePercentage
First.Last@carpenterbox.comJohn.Doe@carpenterbox.com
87%
Last@carpenterbox.comDoe@carpenterbox.com
8%
First.Middle@carpenterbox.comJohn.Michael@carpenterbox.com
4%
First@carpenterbox.comJohn@carpenterbox.com
1%

Frequently Asked Questions

What is Carpenter Box, part of the Sumer Group's phone number?

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You can contact Carpenter Box, part of the Sumer Group's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Carpenter Box, part of the Sumer Group's official website and social media links?

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Carpenter Box, part of the Sumer Group's official website is carpenterbox.com and has social profiles on LinkedIn.

How much revenue does Carpenter Box, part of the Sumer Group generate?

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As of July 2026, Carpenter Box, part of the Sumer Group's annual revenue is estimated to be $10M - $25M.

What is Carpenter Box, part of the Sumer Group's NAICS code?

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Carpenter Box, part of the Sumer Group's NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Carpenter Box, part of the Sumer Group have currently?

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As of July 2026, Carpenter Box, part of the Sumer Group has approximately 238 employees across 6 continents, including EuropeNorth AmericaAsia. Key team members include Vp Sales: M. J.Founder | Owner: R. O.Partner And Head Of Cloud Accounting: N. K.. Explore Carpenter Box, part of the Sumer Group's employee directory with LeadIQ.

What industry does Carpenter Box, part of the Sumer Group belong to?

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Carpenter Box, part of the Sumer Group operates in the Accounting industry.

What technology does Carpenter Box, part of the Sumer Group use?

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Carpenter Box, part of the Sumer Group's tech stack includes MatomoWordPressJSON-LDjQuery MigrateUnderscore.jsTwitchAkamai Web Application ProtectorGoogle Tag Manager.

What is Carpenter Box, part of the Sumer Group's email format?

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Carpenter Box, part of the Sumer Group's email format typically follows the pattern of First.Last@carpenterbox.com. Find more Carpenter Box, part of the Sumer Group email formats with LeadIQ.
Carpenter Box, part of the Sumer Group logo

Carpenter Box, part of the Sumer Group

AccountingEngland, United Kingdom201-500 Employees

Carpenter Box is an accounting firm based in Worthing, West Sussex, England, offering chartered accountancy, chartered tax advisory, business consulting, and independent financial planning services. Its work centers on delivering tailored, practical solutions for individuals and families as well as businesses. With a history spanning more than a century, the firm is a member of GGI, a global network of independent accounting firms. In 2023, Carpenter Box joined the SUMER Group, a collaboration that brings local delivery supported by national expertise for SMEs.

The firm has received industry recognition for its work, including Tax Team of the Year at the Accounting Excellence Awards in 2024 and Mid-Tier Innovation Firm of the Year at the British Accountancy Awards in 2019, along with a 2024 Employer of the Year finalist nomination. Recent developments include expansion of its Portsmouth offices in the UK and a new presence in Lakeside, Florida, reflecting ongoing growth and recruitment efforts.

Section iconCompany Overview

Phone number
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Employees
201-500

Section iconFunding & Financials

  • $10M - $25M

    Carpenter Box, part of the Sumer Group's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    Carpenter Box, part of the Sumer Group's revenue is estimated to be in the range of $10M - $25M

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