Insights

SMB Championing Sumer positions itself as a champion of small to medium-sized businesses across the UK and Ireland, presenting a sales opportunity to offer scalable accounting and business services tailored for growth-focused SMEs in diverse sectors.

Collaboration Advantage The Power of Collaboration theme signals a networked service model that can be packaged as a joint venture or referral-friendly offering with regional practices, enabling partnerships and co-sell motions to expand market reach.

Tech Enabled A robust tech stack including AWS, iCIMS, SharePoint, Jira, HubSpot and ServiceNow suggests readiness for digital transformation projects; pitch for cloud-based accounting, automation, ERP integrations, and data analytics services.

Growth Ready Revenue scale ($250M-$500M) and a 1000+ employee base imply mature processes with potential for enterprise-grade services such as compliance, risk management, payroll optimization, and scalable outsourcing solutions for mid-market clients.

Sector Diversification Serving farmers, tech firms, retailers, and charities creates cross-industry selling moments; identify adjacent services (tax, advisory, financing, grant support, VAT optimization) to expand wallet share across client segments.

Similar companies to Sumer

Sumer Tech Stack

Sumer uses 8 technology products and services including iCIMS, Amazon Web Services, Microsoft SharePoint, and more. Explore Sumer's tech stack below.

Sumer's Email Address Formats

Sumer uses at least 1 email format:
Sumer Email FormatsExamplePercentage
First.Last@sumer.co.ukJohn.Doe@sumer.co.uk
100%

Frequently Asked Questions

What is Sumer's stock symbol?

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Sumer is a publicly traded company; the company's stock symbol is CMS-PB.

What is Sumer's official website and social media links?

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Sumer's official website is sumer.co.uk and has social profiles on LinkedIn.

How much revenue does Sumer generate?

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As of August 2026, Sumer's annual revenue is estimated to be $250M - $500M.

What is Sumer's NAICS code?

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Sumer's NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Sumer have currently?

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As of August 2026, Sumer has approximately 2.6K employees across 5 continents, including Europe, Asia and Africa. Key team members include Chief Client Officer: J. T., Chief Risk And Compliance Officer: J. M. and Chief Financial Officer: N. T. Explore Sumer's employee directory with LeadIQ.

What industry does Sumer belong to?

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Sumer operates in the Accounting industry.

What technology does Sumer use?

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Sumer's tech stack includes iCIMS, Amazon Web Services, Microsoft SharePoint, Mimecast, Atlassian Jira, HubSpot, ServiceNow and Vimeo.

What is Sumer's email format?

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Sumer's email format typically follows the pattern of First.Last@sumer.co.uk. Find more Sumer email formats with LeadIQ.
Sumer logo

Sumer

AccountingEngland, United Kingdom1001-5000 Employees

Based in London, Sumer operates as an accounting services network that brings together regional practices with the scale and capabilities of a national organization. Its approach emphasizes collaboration among firms to support business clients across the UK. It aims to free up business owners' time, support growth, and help resolve complex problems through coordinated services.

Its core clients are small and medium-sized enterprises across the UK and Ireland, spanning sectors such as farming, technology, retail, and charities. The model combines local expertise with broader resources to deliver a wider range of services than traditional regional firms. It is based in London and maintains a sizable professional team.

Section iconCompany Overview

Stock Symbol
CMS-PB
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Employees
1001-5000

Section iconFunding & Financials

  • $250M - $500M

    Sumer's revenue is estimated to be in the range of $250M - $500M

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