BKF Engineers Profile: Ownership, HQ and Public Records

Every fact below links to its source. Informational only. Ownership statements are limited to primary announcements and filings.

Headquarters: Oakland, California (dateline of the firm's 2026-03-31 merger announcement)Source: bkf.com/bkf-and-mns-merge
Founded: 1915 (Jack Frost Surveyors, Redwood City, California)Source: bkf.com/about/our-history
Ownership type: PE-backed: Long Point Capital describes BKF as a Long Point Capital portfolio company and states it maintains its investment in the combined BKF platform after the 2026 merger with MNS EngineersSource: longpointcapital.com/news/long-point-capital-announc…
Sponsor or parent: Sponsor Long Point Capital (private equity firm focused on professional services). MNS Engineers, also a Long Point Capital partner company, merged into BKF; Long Point Capital provided liquidity to its MNS investorsSource: longpointcapital.com/news/long-point-capital-announc…
Employees: The firm's About page states over 800 professionals across 20+ offices (undated page, read 2026-10-05)Source: bkf.com/about
Website: bkf.comSource: bkf.com/about

Legal name, DBA and former names

BKF Engineers; former names per the firm's history page: Jack Frost Surveyors, Frost and Brian, Lawrence G. Brian and Company Civil Engineers, Brian Kangas Foulk. MNS Engineers merged into the BKF brand in 2026.Source: bkf.com/about/our-history

Offices

More than 20 offices across the Western United States.Source: longpointcapital.com/news/long-point-capital-announc…

Ownership type

PE-backed: Long Point Capital describes BKF as a Long Point Capital portfolio company and states it maintains its investment in the combined BKF platform after the 2026 merger with MNS Engineers.Source: longpointcapital.com/news/long-point-capital-announc…

Sponsor, parent or transaction

Sponsor Long Point Capital (private equity firm focused on professional services). MNS Engineers, also a Long Point Capital partner company, merged into BKF; Long Point Capital provided liquidity to its MNS investors.Source: longpointcapital.com/news/long-point-capital-announc…

Employee count or band

The firm's About page states over 800 professionals across 20+ offices (undated page, read 2026-10-05)Source: bkf.com/about
The 2026-03-31 merger announcement and Long Point Capital's 2026-05-13 release state nearly 800 professionals across more than 20 offices. Discrepancy: nearly 800 versus over 800; both published, definitions not given by the sources.Source: longpointcapital.com/news/long-point-capital-announc…

Services and markets

Planning, engineering, surveying and construction management for transportation, water, government and land development markets.Source: bkf.com/about

Leaders

Darren K. Riegler, PE, Chief Executive Officer.Source: bkf.com/bkf-appoints-andrew-esposito-ch…
Andrew Esposito, Chief Financial Officer (appointed; announced 2026-09-01)Source: bkf.com/bkf-appoints-andrew-esposito-ch…

Deals

2026-03-31: BKF and MNS Engineers announced the merger complete, launching one brand, BKF.Source: bkf.com/bkf-and-mns-merge
2026-05-13: Long Point Capital announced realization of its MNS investment through the merger while maintaining its investment in the combined platform.Source: longpointcapital.com/news/long-point-capital-announc…

Public filings

DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: BKF ENGINEERS 401(K) PROFIT SHARING PLAN (ACK_ID 20251014150749NAL0001557475001, 405 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac…

Rankings and awards

Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi…

News timeline

2026-09-01: BKF appoints Andrew Esposito Chief Financial Officer.Source: bkf.com/bkf-appoints-andrew-esposito-ch…
2026-03-31: BKF and MNS finalize their merger.Source: bkf.com/bkf-and-mns-merge

Sources of record

Ownership tag: Private equity backed. Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.