Bronze statue of Lady Justice holding the scales

Advice on a full range of legal matters — from the boardroom to every level of the Nigerian courts.

A team of highly motivated legal professionals, dedicated to giving clients confidence that their legal challenges are being addressed.

§ 01 Our promise

We are by your side, navigating through and around risks. We give balanced counsel amidst competing interests. We align with the trajectory of your ambition. Our experience resounds with outstanding success. We are renowned for simplifying complex legal problems.

— With focused tenacity.

We are committed to understanding you, your business and your goals — and to deploying a deep bench of legal experience to solve what you are facing. We go to work for you.

§ 02 The Firm

Advice on a full range of legal matters.

Streamsowers & Köhn is a team of highly motivated legal professionals dedicated to offering our clients confidence — confidence that we will do all that can legitimately be done to ensure a successful outcome.

We extol excellence and act accordingly. A culture of focused tenacity shows in a rigorous approach to legal issues and in responsiveness to our clients’ needs. You have placed your trust in us; our goal is always to secure or enhance your position, and to exceed your expectations.

Get the Firm’s brochure
A wood-panelled law library with leather-bound law reports
Close-up of brass balance scales
Fig. 01 — Balanced counsel amidst competing interests.
I

Nigerian roots

A practice built in, and for, the Nigerian market.

II

African heritage

Building towards the pre-eminent full-service firm in West Africa.

III

Common-law tradition

Practising law with the discipline of the common law.

We are comfortable with every aspect of our heritage — and able to blend the seemingly incongruous.

Senior Advocates of Nigeria among our partners
3
Fellows of the Chartered Institute of Arbitrators (UK)
5
Of upstream oil & gas acquisitions and divestments
30 yrs
Of the mergers we notified, cleared by the FCCPC
100%

§ 03 Practice areas

Six groups.
One standard.

From aircraft finance to the committee rooms of the National Assembly — every group works with the same focused tenacity.

01/06

Aviation

Our team has been involved in developing the legislative framework for the Nigerian aviation sector for the past two decades — from setting up operations in Nigeria to aircraft financing, regulatory interface and liability.

Representative matter

Secured the release of an arrested aircraft on US$100,000 security, against a claim in excess of US$1.5m.

02/06

Corporate & Commercial

At the centre of the Firm’s practice: M&A, project finance, private equity, capital markets, restructuring, banking, telecoms, IP, real estate, tax, trusts and estate planning — attuned to foreign investors and startups.

Representative matter

Advised an African telecoms infrastructure company on tower supply agreements valued at ₦1.6 billion.

03/06

Dispute Resolution

Litigators and arbitrators overseen by a Senior Advocate of Nigeria, appearing at every level of the superior courts and in local and international arbitrations.

Representative matter

Acted in the suit that set aside a multibillion-dollar arbitral award, on the novel argument that Petroleum Profits Tax disputes are not arbitrable in Nigeria.

04/06

Energy & Natural Resources

Acting for leading multinational and local players across power, water, mining and oil and gas — production sharing contracts, JOAs, permits, leases, local content and host-community issues.

Representative matter

Nigerian counsel to an international oil company on its listing on the Toronto Stock Exchange and its subsequent acquisition.

05/06

Legislative Oversight

LORGAP monitors and analyses legislative activity at the National Assembly and State Assemblies, and appears before investigating committees, public hearings and the courts on the scope of legislative power.

Representative matter

Acted for ALTON in challenging the National Assembly’s power to summon and investigate telecommunications operators.

06/06

Competition Law

Advising across industries since the FCCPA came into force — restrictive agreements, abuse of dominance and merger notifications before the FCCPC and sector regulators.

Representative matter

Notified the FCCPC of Seplat Petroleum’s acquisition of 100% of Eland Oil and Gas Plc. Cleared.

Not sure where your matter sits?

Talk to a partner

§ 05 Our values

What we
hold to.

  1. Confidentiality

    Client information we receive or derive is retained to the highest degree of the confidential character of the lawyer–client relationship.

  2. Diversity

    We recognise and celebrate individual strengths regardless of gender, ethnicity or religion — and mentor our team to succeed at the highest level.

  3. Empathy

    People are affected by how legal matters are handled. We take an intentional, thoughtful approach to the feelings and experiences of our clients.

  4. Fidelity

    Loyal to the law, our clients and our team in every situation — as good as our word, always acting in our clients’ best interest.

  5. Integrity

    High standards of personal and professional accountability. Unfailing conformance to moral and ethical principle preserves the integrity of our practice.

  6. Professionalism

    First-class, value-added assistance combined with an in-depth understanding of our clients’ affairs. The goal: exceed expectations, every time.

The Lagos skyline across the lagoon at dusk

§ 06 Our vision

To be the pre-eminent full-service law firm of choice in the West African region.

Our mission

To always enhance or secure our clients’ position — focused on results, committed to excellence, creative thinking and strategic innovation, and acting institutionally as a strong, responsive advocate for their interests.

Recognised by

Chambers Global Ranked firm Chambers 2025 IFLR1000 Recommended firm 2024 IR Global Member firm
An empty wood-panelled courtroom in warm afternoon light

§ 09 Contact

Let’s join your team today.

Get in touch.

Tell us a little about the matter. Everything you share is treated with the confidentiality of the lawyer–client relationship.

Practice area
01

Lagos

Head office

852b Bishop Aboyade Cole St, Victoria Island, Lagos

Directions
02

Abuja

Wuse II

Block C Terrace 3, CT3, Lobito Crescent, Stallion Estate, Wuse II, Abuja

Directions
03

Port Harcourt

GRA Phase II

77B Woji Road, GRA Phase II, Port Harcourt

Directions