Insights

Expansion momentum Carpenter Box has recently expanded its footprint with a new Southampton office and added leadership in the Solent region, indicating a growth trajectory and a potential need for scalable client onboarding, local market development, and cross-office collaboration services.

Strategic partnerships As part of SUMER Group and a member of GGI, Carpenter Box pursues national-scale expertise with local delivery, presenting opportunities to offer complementary outsourced services, cross-sell across the network, and leverage multi-office coordination for mid-market clients.

Digital efficiency A tech stack spanning Xero, DocuSign, marketing automation, and analytics tools signals openness to cloud-based workflows, process optimization, and client portal enhancements that could be packaged as efficiency gains for SMEs and growing businesses.

Growth in advisory leadership Recent promotions within Tax Services and the addition of a business advisory partner point to a strengthened advisory capability, suggesting a sales focus on expanding into business consulting, tax planning, and integrated financial services for SMEs.

People and culture Industry recognition for employer of the year finalist and a sizable workforce indicate strong talent potential; this opens conversations around staffing flexibility, client delivery capacity, and solutions for workforce planning and accountable staffing for growing client mandates.

Similar companies to Carpenter Box, part of the Sumer Group

Carpenter Box, part of the Sumer Group Tech Stack

Carpenter Box, part of the Sumer Group uses 8 technology products and services including Xero, Crazy Egg, Matomo, and more. Explore Carpenter Box, part of the Sumer Group's tech stack below.

Media & News

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

Carpenter Box, part of the Sumer Group uses at least 4 email formats:
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 August 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 SIC code and NAICS code?

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Carpenter Box, part of the Sumer Group's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services and 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 August 2026, Carpenter Box, part of the Sumer Group has approximately 233 employees across 6 continents, including Europe, North America and Asia. Key team members include Vp Sales: M. J., Founder | Owner: R. O. and Partner: R. D. 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 Xero, Crazy Egg, Matomo, Osano, Shopify, Mailchimp, Mimecast and DocuSign.

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
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
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

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