12 energy M&A advisors active in Denver in 2026. Covers upstream oil and gas, DJ Basin assets, midstream, and cleantech deals with firm profiles and recent transactions.
Denver is the US hub for upstream oil and gas M&A. The DJ Basin sits right at its doorstep.
Petrie Partners alone has advised on over $350B in energy transactions from their Denver and Houston offices. That's the depth of talent anchored in this city.
Cleantech is now a growing deal category alongside upstream. Colorado attracted $956M in energy and cleantech investment in 2025.
Set up a virtual data room before you approach an energy advisor. Upstream buyers want organized reserve reports and land records from day one.
| Firm | Deal Type | Deal Size | Sector Focus | Website | |
|---|---|---|---|---|---|
| Petrie Partners | Petrie Partners | Both | $100M - $100B+ | Upstream Energy, Oil & Gas, Capital Markets | petrie.com |
| Tudor, Pickering, Holt & Co. | Tudor, Pickering, Holt & Co. | Both | $250M - $10B+ | Upstream, Midstream, Oilfield Services, Power | pwpartners.com |
| Detring Energy Advisors | Detring Energy Advisors | Both | $30M - $250M | Upstream Oil & Gas, A&D Advisory | detringenergy.com |
| Piper Sandler | Piper Sandler | Both | $50M - $5B+ | Upstream, Oilfield Services, Power, Energy Infrastructure | pipersandler.com |
| RBC Capital Markets | RBC Capital Markets | Both | $100M - $50B+ | Upstream, Midstream, Power, E&P | rbccm.com |
| Houlihan Lokey | Houlihan Lokey | Both | $50M - $5B+ | Energy, Industrials, Business Services, PE-backed | hl.com |
| Opportune LLP | Opportune LLP | Both | $25M - $2B | Upstream, Midstream, Downstream, Power, Renewables | opportune.com |
| Jefferies | Jefferies | Both | $100M - $10B+ | Midstream, Natural Gas, Power, Infrastructure | jefferies.com |
| Harris Williams | Harris Williams | Sell-side | $50M - $2B | Energy Services, Industrials, PE-backed Platforms | harriswilliams.com |
| Lincoln International | Lincoln International | Both | $50M - $2B | Energy, Business Services, Technology, PE-backed | lincolninternational.com |
| Flatirons Capital Advisors | Flatirons Capital Advisors | Sell-side | $5M - $100M | Energy Services, Industrials, Consumer | flatironscap.com |
| Eight Quarter Advisors | Eight Quarter Advisors | Sell-side | $10M - $100M | Engineering, Energy Services, Industrials | eightquarteradvisors.com |
How to verify an advisor's track record
Ask for a deal list filtered to your sub-sector. An upstream A&D advisor and a midstream advisor work with different buyer pools.
Energy advisors who know the Denver market can name DJ Basin deals, close dates, and values. Vague references to "energy experience" without specifics are a warning sign.
Check whether they've worked with both corporate buyers and PE-backed operators. Colorado's DJ Basin draws both strategic acquirers and private equity platforms.
Use Ellty to share reserve reports with shortlisted advisors under NDA. You'll see who opens your files before your first call. Review the full advisors list before you sign an engagement letter.
Running an energy deal in Denver?
Set up your data room before your first advisor meeting.
Start free 14-day trialWhat a Denver energy deal looks like
Denver energy M&A deals run six to twelve months. Upstream deals with regulatory review can take longer.
| Stage | What happens | What you need ready | |
|---|---|---|---|
| Stage 1: Preparation | Stage 1: Preparation | Run reserves audit, draft teaser, shortlist advisors | Reserve reports, land maps, three years production data |
| Stage 2: Advisor engagement | Stage 2: Advisor engagement | Sign engagement letter, agree on buyer list | Cap table, lease agreements, environmental records |
| Stage 3: Marketing | Stage 3: Marketing | Teaser and IM distributed, NDAs signed, management calls set | Ellty data room live with IM, reserves, and lease files |
| Stage 4: LOI | Stage 4: LOI | Buyers submit bids, LOIs negotiated, exclusivity signed | Clean production history, no disputed acreage, title opinions |
| Stage 5: Due diligence | Stage 5: Due diligence | Buyer reviews reserves, land, legal, and financial records | Full Ellty data room: lease files, contracts, environmental docs |
| Stage 6: Close | Stage 6: Close | Purchase agreement signed, regulatory approvals, funds transfer | Reps and warranties signed, transition plans complete |
12 energy M&A advisors in Denver
These 12 firms advise on energy M&A in Denver and the Rocky Mountain region. Coverage spans upstream oil and gas, midstream, energy services, and cleantech.
1. Petrie Partners
The leading upstream energy M&A bank in the US with $350B+ in completed transactions.
Recent Deals: Advised Civitas Resources on an all-stock merger valued at $12.8B (2026). Advised California Resources on a $717M all-stock merger (2025). Advised Pioneer Natural Resources on its $59.5B sale to ExxonMobil.
Sector Focus: Upstream energy, oil & gas, capital markets
Deal Type: Both
Deal Size: $100M - $100B+
Location: Denver, CO and Houston, TX
Website: petrie.com
2. Tudor, Pickering, Holt & Co.
The energy investment banking arm of Perella Weinberg Partners, focused on energy M&A.
Recent Deals: Active in upstream, midstream, and oilfield services M&A through 2025-2026. Named the most recognized pure-energy brand on Wall Street in 2026. Covers $250M+ deals in oil and gas, power, and energy infrastructure.
Sector Focus: Upstream, midstream, oilfield services, power
Deal Type: Both
Deal Size: $250M - $10B+
Location: Houston, TX (national coverage of Denver market)
Website: pwpartners.com
3. Detring Energy Advisors
A pure upstream A&D boutique with 175+ closed transactions totaling $6.5B+.
Recent Deals: Acted as general advisor to Summit Natural Resources (2025). Active in upstream A&D advisory across the US including Colorado through 2025-2026. Advises DJ Basin and Rocky Mountain sellers on upstream asset packages.
Sector Focus: Upstream oil & gas, acquisitions & divestitures
Deal Type: Both
Deal Size: $30M - $250M
Location: Houston, TX (serves Denver/DJ Basin market)
Website: detringenergy.com
4. Piper Sandler
A top energy investment bank with dedicated upstream and oilfield services M&A coverage.
Recent Deals: Added Tim Carlson as managing director focused on upstream (January 2026). Active in upstream and oilfield services M&A through 2025-2026. Covers energy M&A across upstream, power, and energy infrastructure nationally.
Sector Focus: Upstream, oilfield services, power, energy infrastructure
Deal Type: Both
Deal Size: $50M - $5B+
Location: National (serves Denver energy market)
Website: pipersandler.com
5. RBC Capital Markets
Led all energy M&A by volume and value in Q1-Q3 2025 with 16 deals totaling $32.7B.
Recent Deals: Led US oil and gas M&A advisory by volume in Q1-Q3 2025 with $32.7B in deals. Active in upstream, midstream, and power M&A advisory through 2025-2026. Covers E&P, integrated, and infrastructure transactions nationally.
Sector Focus: Upstream, midstream, power, E&P
Deal Type: Both
Deal Size: $100M - $50B+
Location: National (serves Denver energy market)
Website: rbccm.com
Selling a Denver energy asset?
Track which buyers open your reserve reports before you sign an LOI.
Start free 14-day trial6. Houlihan Lokey
The No. 1 global M&A advisor by deal count in 2025, with a dedicated energy practice.
Recent Deals: Named No. 1 global M&A advisor with 458 closed deals in 2025. Active in energy, industrials, and business services M&A nationally through 2025-2026. Advises PE sponsors and corporate sellers in energy transactions.
Sector Focus: Energy, industrials, business services, PE-backed platforms
Deal Type: Both
Deal Size: $50M - $5B+
Location: National (serves Denver market)
Website: hl.com
7. Opportune LLP
A global energy advisory firm with dedicated investment banking and M&A capabilities.
Recent Deals: Acquired Pickering Energy Partners' consulting practice (February 2026). Active in upstream, midstream, and renewables M&A advisory through 2025-2026. Advises energy companies on A&D, restructuring, and private placements.
Sector Focus: Upstream, midstream, downstream, power, renewables
Deal Type: Both
Deal Size: $25M - $2B
Location: Houston, TX (serves Denver energy market)
Website: opportune.com
8. Jefferies
A top-tier investment bank with dedicated midstream and natural gas M&A coverage.
Recent Deals: Active in midstream, natural gas, and energy infrastructure M&A through 2025-2026. Advised on major US natural gas and pipeline transactions nationally. Covers midstream, LNG, power, and energy transition assets.
Sector Focus: Midstream, natural gas, power, infrastructure
Deal Type: Both
Deal Size: $100M - $10B+
Location: National (serves Denver market)
Website: jefferies.com
9. Harris Williams
A top-tier sell-side bank with dedicated energy services and industrials practices.
Recent Deals: Active in energy services, industrials, and business services M&A through 2025-2026. Closed energy services and PE-backed platform transactions nationally. Advises PE firms and corporate sellers on sell-side mandates in energy.
Sector Focus: Energy services, industrials, PE-backed platforms
Deal Type: Sell-side
Deal Size: $50M - $2B
Location: National (serves Denver market)
Website: harriswilliams.com
10. Lincoln International
A global mid-market bank with 430+ transactions in 2025 and energy sector coverage.
Recent Deals: Closed 430+ total transactions in 2025, up 31% in net income year-over-year. Acquired MarshBerry in Q4 2025 to expand advisory coverage. Active in energy and business services M&A through 2025-2026.
Sector Focus: Energy, business services, technology, PE-backed
Deal Type: Both
Deal Size: $50M - $2B
Location: National (serves Denver market)
Website: lincolninternational.com
11. Flatirons Capital Advisors
A Denver lower middle market bank with 31+ closed deals and senior-led execution.
Recent Deals: Advised Denver Plumber and HVAC on sale to Prime Home Services Group (June 2025). Advised 5th Gear Auto on acquisition by O2 Investments (December 2025). Active in energy services and industrial M&A in Colorado through 2025-2026.
Sector Focus: Energy services, industrials, consumer
Deal Type: Sell-side
Deal Size: $5M - $100M
Location: Denver, CO
Website: flatironscap.com
12. Eight Quarter Advisors
A Denver boutique founded in 2019 advising engineering and energy services sellers.
Recent Deals: Advised Innovative Mechanical & Design on acquisition by Legence Corp. (December 2025). Advised The Transtec Group on sale to Terracon Consultants (July 2025). Active in engineering and energy services M&A in Colorado through 2025-2026.
Sector Focus: Engineering, energy services, industrials
Deal Type: Sell-side
Deal Size: $10M - $100M
Location: Denver, CO and Boston, MA
Website: eightquarteradvisors.com
DJ Basin asset deals in 2025-2026
The Denver-Julesburg Basin is the most active M&A sub-market in Colorado. Buyers include public E&Ps, PE-backed operators, and international acquirers.
Japan Petroleum Exploration paid $1.3B for Verdad Resources' DJ Basin assets in late 2025. Bayswater sold DJ Basin assets to Prairie Operating for $603M in March 2025.
Your advisor needs direct relationships with both US and international buyers. The DJ Basin draws buyers from outside the traditional domestic upstream universe.
Use Ellty to share reserve reports and land maps with qualified buyers under NDA. Set permissions so each buyer sees only what their NDA covers. Track who opens your data room before you enter exclusivity. See how other Colorado deals are structured with the Denver M&A advisors list.
Energy transition M&A in Colorado
Colorado is one of the most active US states for cleantech M&A. Denver companies are adding renewable assets, creating new deal flow in energy transition.
Colorado energy and cleantech companies attracted $956M in investment in 2025. Wind, solar, and carbon capture projects all draw strategic buyers adding clean assets.
Your advisor needs relationships with energy transition buyers alongside traditional upstream acquirers. The buyer pools don't always overlap.
Use Ellty to organize power purchase agreements, permitting files, and technical models in a secure data room. Share trackable links so each buyer accesses only assets their NDA covers. Track document engagement before you enter any exclusivity period. Check the Washington DC M&A advisors page for how the federal market approaches energy transition deals.
Midstream M&A in Colorado
Colorado's midstream market is active. Gas processing, gathering systems, and pipeline assets all trade when producers consolidate or exit basins.
Global midstream M&A deal value rose alongside upstream in 2025. Jefferies and Houlihan Lokey both cover midstream deals in the Rockies and nationally.
Your advisor needs specific relationships with midstream buyers. These assets price differently than upstream E&P packages, and a generalist often misprices them.
Use Ellty to share throughput data, contract files, and system maps in a trackable virtual data room. Require email verification before any buyer accesses tariff agreements. Track who reviews your data before your first management call. Read the M&A process guide for how midstream deals are typically structured.
Common questions about Denver energy M&A advisors
- Denver sits at the center of US upstream oil and gas M&A. The DJ Basin draws buyers from across the US and internationally year-round.
- Petrie Partners is the leading US upstream energy bank with $350B+ in closed transactions. Detring Energy Advisors handles lower middle market A&D deals.
- Boutiques like Detring and Flatirons work the $5M to $250M range. Banks like Petrie and Tudor Pickering handle $100M to multi-billion dollar transactions.
- Most upstream deals run six to ten months. DJ Basin deals with regulatory review or complex acreage can stretch to twelve months.
- Before your first advisor meeting. Organized reserve reports and land files signal buyer readiness. Energy buyers move fast on well-prepared sellers.
- Petrie Partners and Flatirons know the local Colorado buyer network. National firms like Houlihan Lokey and RBC reach more PE buyers for larger deals.
