ADSL has linkages with professionals and institutions within and outside Bangladesh. It has entered into contracts with national and international specialists. University based academics, researchers, and former senior public servants have worked with ADSL as associates. The firm has carried out many successful limited scope partnerships with international consulting firms. Among the international firms that ADSL has business linkages with are:
- Abu Consult, Germany
- ACCC, Canada
- ACE, Spain
- Anutech International Pty Ltd., Australia
- AUCC, Canada
- AusHealth International Pty Ltd (AHI), Australia
- BCEOM, France
- The British Council
- Callund Consulting, UK
- Cambridge Education Consultants (CEC), UK
- Consortium for International Development (CID), USA
- COWI, Denmark
- Carl Bro, Denmark
- Helsinki Consulting Group, Finland
- HIFAB International AB, Sweden
- IMA International, UK
- IDP Consult, Philippines
- INCOM, Greece
- ITC, Woolgong University, Australia
- Madecor Group, Philippines
- Melbourne University Private Ltd., Australia
- MG Consult, Sri Lanka
- Midwest Universities Consortium for International Activities, USA
- Mott Macdonald, UK
- IC Net International, Japan
- IP Global, India
- Oxford Policy Management (OPM), UK
- PINZ, New Zealand
- Plancenter, Finland
- RDP Medi Vision International, Netherlands
- SAGRIC International Pty. Ltd., Australia
- Scanagri, Denmark
- SMEC Limited, Australia
- South-East Consortium for International Development (SECID), USA
- Swedec International AB, Sweden
- TEAMS (Pvt) Limited, Sri Lanka
- West Midland Enterprise, UK
- World Education, USA