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Klynveld Kraayenhof & Co.

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Klynveld Kraayenhof & Co. was a Dutch accountancy firm that merged into the organization that became KPMG.

Last updated August 31, 2026

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Overview

Klynveld Kraayenhof & Co. (KKC) was a Dutch accountancy firm established in 1917 by Piet Klijnveld and Jaap Kraayenhof. Kraayenhof had previously worked for another firm associated with Klijnveld. The practice developed in the Netherlands with a particular focus on banking and exporting clients. Its client base included Dutch businesses expanding beyond their domestic market, including companies operating across Europe and South America. KKC's development reflected the internationalization of Dutch commerce during the twentieth century. Rather than immediately pursuing a large multinational structure, the firm maintained its independence while serving Dutch enterprises whose activities increasingly crossed national borders. This gave it experience in audit and related professional services for internationally active businesses, particularly in sectors connected with finance, trade, banking, and exports. The firm's principal historical importance lies in its role in the consolidation of the global accountancy profession. In 1979, KKC merged with Deutsche Treuhand-Gesellschaft (DTG) of Germany and McLintock Main Lafrentz, creating Klynveld Main Goerdeler (KMG). The transaction combined firms from several national markets and created a broader international accounting network. KKC therefore ceased to operate as an independent firm under its original name, but its Klynveld identity remained part of KMG's corporate lineage. In 1987, KMG joined forces with Peat Marwick International (PMI), in what was described as the first mega-merger among the major accounting firms. The combination created the organization now known as KPMG LLP. KPMG's name incorporates elements of the historical firms and individuals in this succession: Klynveld, Peat, Marwick, and Goerdeler. Klynveld Kraayenhof & Co. is consequently best understood as a predecessor firm in the history of KPMG rather than as an active standalone brand. No separate current website, listed-company status, or independent product portfolio is identified in the available reference material.

History

Klynveld Kraayenhof & Co. was founded in the Netherlands in 1917 by Piet Klijnveld and Jaap Kraayenhof. Kraayenhof had previously been employed by another firm connected with Klijnveld. From its Dutch base, the practice built a specialization in accountancy work for banking and exporting businesses. The firm operated during a period in which Dutch companies were becoming more active outside the Netherlands. It retained an independent identity while serving Dutch clients that were expanding through Europe and South America. This international client orientation gave KKC a place in the developing network of accounting practices that supported companies with cross-border operations. KKC's history is closely tied to the consolidation of major professional-services firms. In 1979, it merged with Deutsche Treuhand-Gesellschaft and McLintock Main Lafrentz. The resulting organization was named Klynveld Main Goerdeler, or KMG. The merger brought together firms from the Netherlands, Germany, and other markets and replaced KKC's independent corporate identity with a broader international structure. A further transformation occurred in 1987, when KMG joined forces with Peat Marwick International. This was characterized as the first mega-merger of large accounting firms. The resulting organization developed into what is now known as KPMG LLP. The Klynveld name survived within the KPMG name and corporate lineage, but Klynveld Kraayenhof & Co. itself is no longer an operating firm. The available reference material does not identify a separate modern headquarters, website, public listing, current executive team, or standalone product brand for KKC.

  • 1987

    Combination with Peat Marwick International

    [1]

    KMG joins Peat Marwick International in a large accounting-firm merger that creates the organization now known as KPMG.

  • 1979

    Formation of Klynveld Main Goerdeler

    [1]

    KKC merges with Deutsche Treuhand-Gesellschaft and McLintock Main Lafrentz, forming Klynveld Main Goerdeler.

  • 1917

    Klynveld Kraayenhof & Co. is founded

    [1]

    Piet Klijnveld and Jaap Kraayenhof establish the Dutch accountancy firm.

Products and positioning

An independent Dutch accountancy practice serving banking, exporting, and internationally expanding Dutch business clients before becoming part of a larger international accounting-firm network.

  • Professional services · 1917

    Accountancy services

    KKC was an accountancy practice rather than a consumer-product brand. Its historical work centered on accounting services for Dutch businesses, with particular emphasis on banking and exporting clients. The firm also served companies whose operations were expanding beyond the Netherlands into Europe and South America.

Brand decisions

  • 1987

    Combination with Peat Marwick InternationalM&A

    Background

    Klynveld Main Goerdeler participated in the consolidation of large accounting firms during a period of expanding international networks.

    Action taken

    KMG joined forces with Peat Marwick International.

    Aftermath

    The combination created the organization now known as KPMG LLP, preserving the Klynveld name in the successor organization's identity.

  • 1979

    Merger creating Klynveld Main GoerdelerM&A

    Background

    KKC was an independent Dutch accountancy firm serving internationally active clients. A broader combination with Deutsche Treuhand-Gesellschaft and McLintock Main Lafrentz was pursued to create a larger international accounting organization.

    Action taken

    KKC merged with the two other firms, forming Klynveld Main Goerdeler.

    Aftermath

    KKC ceased to operate as an independent firm under its original name and became part of KMG's international structure.

Sources1 sources

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