Every fact below carries a source link and an as-of date. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- Portland, OregonSource: altago.com/about · As of 2026-10-06
- Founded
- 1996Source: altago.com/about · As of 2026-10-06
- Ownership type
- Private equity backed: Trilon history states Alta Planning + Design joined as a platform partner in August 2022; Trilon is backed by Alpine Investors; Alta is listed among Trilon partner firmsSource: trilon.com · As of 2026-10-06
- Sponsor or parent
- Trilon.com history: Alta Planning + Design joined August 2022; partner list includes AltaSource: trilon.com · As of 2026-10-06
- Website
- altago.comSource: altago.com/about · As of 2026-10-06
Legal name, DBA and former names
- Alta Planning + Design, Inc. (Alta)Source: altago.com/about · As of 2026-10-06
Identifiers (UEI, state registrations)
- SAM UEI ZNDWTZ6M23L9 (as shown on the USAspending recipient record) and Texas TBPELS firm no. 6816.Source: usaspending.gov/recipient/e65b4329-dc42-097c-25… · As of 2026-10-06
Ownership type
- Private equity backed: Trilon history states Alta Planning + Design joined as a platform partner in August 2022; Trilon is backed by Alpine Investors; Alta is listed among Trilon partner firms.Source: trilon.com · As of 2026-10-06
Sponsor, parent or transaction
- Trilon.com history: Alta Planning + Design joined August 2022; partner list includes Alta.Source: trilon.com · As of 2026-10-06
Services and markets
- Active transportation planning and design for walking and bicycling and related community mobility.Source: altago.com/about · As of 2026-10-06
Leaders
- Steven B. Frieson, Principal, Chief Operating Officer.Source: altago.com/people · As of 2026-10-06
Deals
- August 2022: joined Trilon Group as platform partner.Source: trilon.com · As of 2026-10-06
Licences (board records)
- Texas TBPELS roster lists Alta Engineering Ltd (firm no. 6816, type NS, expires 2028-07-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04
DOT prequalification
- TxDOT Active Precertified Firms lists ALTA PLANNING + DESIGN with 3 areas of certification, renewal status SEPTEMBER 29, 2023 ( ACTIVE )Source: dot.state.tx.us/des/precert/precrt1.htm · As of 2026-10-05
Federal awards (contracts)
- USAspending recipient record ALTA PLANNING + DESIGN, INC (Portland, OR), contract award obligations: FY2021 $0, FY2022 $0, FY2023 $0, FY2024 $0, FY2025 $0 (award types A to D; obligations as published, including modifications and negative adjustments)Source: usaspending.gov/recipient/e65b4329-dc42-097c-25… · As of 2026-10-06
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.
